/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* GitHub-inspired Dark Theme Colors */
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #21262d;
    --bg-overlay: #30363d;
    
    /* Text Colors */
    --text-primary: #f0f6fc;
    --text-secondary: #8b949e;
    --text-muted: #6e7681;
    
    /* Accent Colors */
    --accent-primary: #238636;
    --accent-secondary: #1f6feb;
    --accent-warning: #d29922;
    --accent-danger: #da3633;
    
    /* Interactive Colors */
    --btn-primary: #238636;
    --btn-primary-hover: #2ea043;
    --btn-secondary: #21262d;
    --btn-secondary-hover: #30363d;
    --btn-outline: #30363d;
    --btn-outline-hover: #21262d;
    
    /* Border Colors */
    --border-primary: #30363d;
    --border-secondary: #21262d;
    
    /* Code Colors */
    --code-bg: #161b22;
    --code-border: #30363d;
    --code-keyword: #ff7b72;
    --code-string: #a5d6ff;
    --code-number: #79c0ff;
    --code-function: #d2a8ff;
    --code-comment: #8b949e;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
    --radius-xl: 12px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, 
        var(--bg-primary) 0%, 
        rgba(13, 17, 23, 0.95) 25%, 
        rgba(22, 27, 34, 0.9) 50%, 
        rgba(13, 17, 23, 0.95) 75%, 
        var(--bg-primary) 100%);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 16px;
    overflow-x: hidden;
    min-height: 100vh;
}

@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

/* Animated Background */
.animated-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

.floating-icons {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.floating-icon {
    position: absolute;
    font-size: 2.5rem;
    opacity: 0.25;
    animation: float 20s infinite linear;
    pointer-events: none;
    filter: drop-shadow(0 0 15px rgba(35, 134, 54, 0.4));
}

/* Colored floating icons */
.icon-green {
    filter: drop-shadow(0 0 20px rgba(35, 134, 54, 0.6));
}

.icon-blue {
    filter: drop-shadow(0 0 20px rgba(31, 111, 235, 0.6));
}

.icon-yellow {
    filter: drop-shadow(0 0 20px rgba(210, 153, 34, 0.6));
}

.icon-purple {
    filter: drop-shadow(0 0 20px rgba(138, 43, 226, 0.6));
}

.icon-red {
    filter: drop-shadow(0 0 20px rgba(248, 81, 73, 0.6));
}

.icon-orange {
    filter: drop-shadow(0 0 20px rgba(255, 165, 0, 0.6));
}

.icon-cyan {
    filter: drop-shadow(0 0 20px rgba(0, 255, 255, 0.6));
}

.icon-pink {
    filter: drop-shadow(0 0 20px rgba(255, 192, 203, 0.6));
}

.floating-icon:nth-child(1) { top: 10%; left: 10%; animation-delay: 0s; }
.floating-icon:nth-child(2) { top: 20%; left: 80%; animation-delay: 2s; }
.floating-icon:nth-child(3) { top: 30%; left: 20%; animation-delay: 4s; }
.floating-icon:nth-child(4) { top: 40%; left: 70%; animation-delay: 6s; }
.floating-icon:nth-child(5) { top: 50%; left: 15%; animation-delay: 8s; }
.floating-icon:nth-child(6) { top: 60%; left: 85%; animation-delay: 10s; }
.floating-icon:nth-child(7) { top: 70%; left: 25%; animation-delay: 12s; }
.floating-icon:nth-child(8) { top: 80%; left: 75%; animation-delay: 14s; }
.floating-icon:nth-child(9) { top: 15%; left: 50%; animation-delay: 16s; }
.floating-icon:nth-child(10) { top: 35%; left: 40%; animation-delay: 18s; }
.floating-icon:nth-child(11) { top: 55%; left: 60%; animation-delay: 20s; }
.floating-icon:nth-child(12) { top: 75%; left: 30%; animation-delay: 22s; }

@keyframes float {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 0.25;
    }
    50% {
        opacity: 0.35;
    }
    90% {
        opacity: 0.25;
    }
    100% {
        transform: translateY(-100px) rotate(360deg);
        opacity: 0;
    }
}

.glow-effects {
    position: absolute;
    width: 100%;
    height: 100%;
}

.glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.2;
    animation: pulse 6s ease-in-out infinite;
}

.glow-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(35, 134, 54, 0.6) 0%, rgba(35, 134, 54, 0.2) 50%, transparent 70%);
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.glow-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(31, 111, 235, 0.6) 0%, rgba(31, 111, 235, 0.2) 50%, transparent 70%);
    top: 60%;
    right: 10%;
    animation-delay: 2s;
}

.glow-3 {
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(210, 153, 34, 0.6) 0%, rgba(210, 153, 34, 0.2) 50%, transparent 70%);
    bottom: 20%;
    left: 50%;
    transform: translateX(-50%);
    animation-delay: 4s;
}

.glow-4 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(248, 81, 73, 0.5) 0%, rgba(248, 81, 73, 0.15) 50%, transparent 70%);
    top: 40%;
    left: 30%;
    animation-delay: 1s;
}

.glow-5 {
    width: 550px;
    height: 550px;
    background: radial-gradient(circle, rgba(138, 43, 226, 0.5) 0%, rgba(138, 43, 226, 0.15) 50%, transparent 70%);
    bottom: 40%;
    right: 20%;
    animation-delay: 3s;
}

@keyframes pulse {
    0%, 100% {
        opacity: 0.15;
        transform: scale(1);
    }
    50% {
        opacity: 0.35;
        transform: scale(1.2);
    }
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Header */
.header {
    background-color: transparent;
    border-bottom: 1px solid rgba(48, 54, 61, 0.3);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: all var(--transition-normal);
}

.header.scrolled {
    background-color: rgba(13, 17, 23, 0.8);
    border-bottom: 1px solid rgba(48, 54, 61, 0.5);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    max-width: 1200px;
    margin: 0 auto;
}

.nav-brand {
    display: flex;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--text-primary);
    text-decoration: none;
    text-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
}

.logo-icon {
    font-size: 2rem;
    background: linear-gradient(45deg, #238636, #1f6feb);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}


.nav-actions {
    display: flex;
    gap: var(--spacing-md);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 0.875rem;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.btn-primary {
    background-color: var(--btn-primary);
    color: white;
    box-shadow: 0 2px 8px rgba(35, 134, 54, 0.3);
}

.btn-primary:hover {
    background-color: var(--btn-primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(35, 134, 54, 0.4);
}

.btn-secondary {
    background-color: var(--btn-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-primary);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.btn-secondary:hover {
    background-color: var(--btn-secondary-hover);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.btn-outline {
    background-color: transparent;
    color: var(--text-primary);
    border: 1px solid var(--btn-outline);
}

.btn-outline:hover {
    background-color: var(--btn-outline-hover);
    border-color: var(--border-primary);
}

.btn-soon {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.25);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-soon:disabled {
    cursor: not-allowed;
    opacity: 0.8;
    box-shadow: none;
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1rem;
}

.btn-full {
    width: 100%;
}

/* Hero Section */
.hero {
    padding: var(--spacing-2xl) 0;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
}

.highlight {
    background: linear-gradient(45deg, #238636, #1f6feb);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.hero-stats {
    display: flex;
    gap: var(--spacing-xl);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-primary);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Game Preview */
.game-preview {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.code-block {
    background-color: var(--code-bg);
    border: 1px solid var(--code-border);
    border-radius: var(--radius-md);
    margin: var(--spacing-lg);
    overflow: hidden;
}

.code-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    background-color: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-primary);
}

.code-title {
    font-weight: 600;
    color: var(--text-primary);
}

.code-controls {
    display: flex;
    gap: var(--spacing-xs);
}

.control-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.control-dot.red { background-color: #ff5f56; }
.control-dot.yellow { background-color: #ffbd2e; }
.control-dot.green { background-color: #27ca3f; }

.code-content {
    padding: var(--spacing-lg);
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.875rem;
    line-height: 1.5;
}

.code-line {
    display: flex;
    margin-bottom: var(--spacing-xs);
}

.line-number {
    color: var(--text-muted);
    margin-right: var(--spacing-md);
    min-width: 20px;
    user-select: none;
}

.code-text {
    flex: 1;
}

.keyword { color: var(--code-keyword); }
.string { color: var(--code-string); }
.number { color: var(--code-number); }
.function { color: var(--code-function); }

.game-result {
    padding: var(--spacing-lg);
    text-align: center;
}

.result-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: linear-gradient(45deg, var(--accent-warning), #f85149);
    color: white;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-lg);
    font-weight: 600;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

/* Sections */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.games-section,
.methodologies-section,
.achievements-section {
    padding: var(--spacing-2xl) 0;
}



.methodologies-section {
    background-color: var(--bg-primary);
}



/* Games Grid */
.games-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.game-card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.game-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-primary);
}

.game-card.premium {
    border-color: var(--accent-warning);
}

.game-card.premium::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-warning), #f85149);
}

.game-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-lg);
}

.game-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.game-description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
    font-size: 0.95rem;
}

.course-details {
    background-color: var(--bg-tertiary);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.detail-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.detail-item:last-child {
    margin-bottom: 0;
}

.detail-label {
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.detail-value {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.875rem;
}

.premium-badge {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: linear-gradient(45deg, var(--accent-warning), #f85149);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.coming-soon-badge {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.3);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.8;
        transform: scale(1.05);
    }
}

.game-card.coming-soon {
    opacity: 0.9;
    position: relative;
}

.game-card.coming-soon::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(16, 185, 129, 0.1) 0%, 
        rgba(5, 150, 105, 0.05) 100%);
    border-radius: var(--radius-lg);
    pointer-events: none;
    z-index: 1;
}

.game-card.coming-soon .game-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    background: var(--bg-secondary);
    color: var(--text-muted);
    border-color: var(--border-primary);
}

.game-card.coming-soon .game-btn:disabled:hover {
    transform: none;
    box-shadow: none;
}

.game-progress {
    margin-bottom: var(--spacing-lg);
}

.progress-bar {
    width: 100%;
    height: 8px;
    background-color: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    overflow: hidden;
    margin-bottom: var(--spacing-sm);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    border-radius: var(--radius-sm);
    transition: width var(--transition-normal);
}

.progress-text {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.game-btn {
    width: 100%;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.game-btn:hover {
    text-decoration: none;
}

.game-btn:visited {
    text-decoration: none;
}

/* Methodologies Grid */
.methodologies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.methodology-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.methodology-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-primary);
}

.methodology-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.methodology-card:hover::before {
    transform: scaleX(1);
}

.methodology-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-lg);
}

.methodology-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.methodology-description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
    font-size: 0.95rem;
}

.methodology-features {
    list-style: none;
    text-align: left;
    padding: 0;
}

.methodology-features li {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    padding-left: var(--spacing-lg);
    position: relative;
    font-size: 0.9rem;
}

.methodology-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-primary);
    font-weight: bold;
}

/* Index Page Achievements Grid */
.achievements-section .achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.achievements-section .achievement-card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    min-height: 400px;
}

.achievements-section .achievement-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-warning);
}

.achievements-section .achievement-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-warning), #f85149);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.achievements-section .achievement-card:hover::before {
    transform: scaleX(1);
}

.achievements-section .achievement-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-lg);
    display: block;
}

.achievements-section .achievement-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    text-align: center;
}

.achievements-section .achievement-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
    flex-grow: 1;
    display: flex;
    align-items: center;
    text-align: center;
}

.achievements-section .achievement-stats {
    display: flex;
    justify-content: space-around;
    width: 100%;
    margin-top: auto;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-primary);
}

.achievements-section .achievement-stats .stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.achievements-section .achievement-stats .stat-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-primary);
    margin-bottom: var(--spacing-xs);
}

.achievements-section .achievement-stats .stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    font-weight: 500;
}

.achievement-description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
    font-size: 0.95rem;
}

.achievement-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.stat-item {
    text-align: center;
    padding: var(--spacing-md);
    background-color: var(--bg-tertiary);
    border-radius: var(--radius-md);
}

.stat-item .stat-number {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-primary);
    margin-bottom: var(--spacing-xs);
}

.stat-item .stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Testimonials */
.testimonials {
    margin-top: var(--spacing-2xl);
}

.testimonials-title {
    text-align: center;
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xl);
    color: var(--text-primary);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.testimonial-card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: all var(--transition-normal);
}

.testimonial-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--accent-secondary);
}

.testimonial-content {
    color: var(--text-primary);
    font-style: italic;
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
    font-size: 1rem;
}

.testimonial-content::before {
    content: '"';
    font-size: 2rem;
    color: var(--accent-primary);
    font-weight: bold;
}

.testimonial-content::after {
    content: '"';
    font-size: 2rem;
    color: var(--accent-primary);
    font-weight: bold;
}

.testimonial-author {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.author-name {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.author-location {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
}

.feature-card {
    text-align: center;
    padding: var(--spacing-xl);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-lg);
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.feature-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Footer */
.footer {
    background: linear-gradient(135deg, 
        rgba(13, 17, 23, 0.95) 0%, 
        rgba(22, 27, 34, 0.9) 25%, 
        rgba(33, 38, 45, 0.85) 50%, 
        rgba(22, 27, 34, 0.9) 75%, 
        rgba(13, 17, 23, 0.95) 100%);
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(48, 54, 61, 0.3);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(35, 134, 54, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(31, 111, 235, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(255, 107, 107, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.2fr 0.1fr 1.8fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    align-items: start;
}

.footer-brand {
    max-width: 350px;
}

.footer-cta {
    margin-top: var(--spacing-lg);
}

.footer-cta .btn {
    font-size: 0.9rem;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
}

.footer-cta .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(35, 134, 54, 0.3);
}

.footer-description {
    color: var(--text-secondary);
    margin-top: var(--spacing-md);
    line-height: 1.6;
}

.footer-links {
    display: grid;
    grid-template-columns: 1fr auto 1fr auto 1fr;
    gap: var(--spacing-xl);
    align-items: start;
    justify-items: center;
}

/* Visual Separators */
.footer-separator {
    width: 1px;
    background: linear-gradient(
        to bottom,
        transparent 0%,
        rgba(48, 54, 61, 0.3) 20%,
        rgba(48, 54, 61, 0.6) 50%,
        rgba(48, 54, 61, 0.3) 80%,
        transparent 100%
    );
    height: 100%;
    min-height: 200px;
    position: relative;
}

.footer-separator::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 8px;
    height: 8px;
    background: var(--accent-primary);
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(35, 134, 54, 0.5);
}

.column-separator {
    width: 1px;
    background: linear-gradient(
        to bottom,
        transparent 0%,
        rgba(48, 54, 61, 0.2) 20%,
        rgba(48, 54, 61, 0.4) 50%,
        rgba(48, 54, 61, 0.2) 80%,
        transparent 100%
    );
    height: 100%;
    min-height: 150px;
    position: relative;
}

.column-separator::before {
    content: '';
    position: absolute;
    top: 20%;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 4px;
    background: var(--accent-secondary);
    border-radius: 50%;
    box-shadow: 0 0 6px rgba(31, 111, 235, 0.4);
}

.footer-title {
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.footer-link {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: var(--spacing-sm);
    transition: color var(--transition-fast);
}

.footer-link:hover {
    color: var(--text-primary);
}

.footer-links-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    align-items: center;
}

.footer-column {
    text-align: center;
    max-width: 250px;
    margin: 0 auto;
}

/* Platform Card Styles */
.platform-card {
    background: linear-gradient(135deg, 
        rgba(13, 17, 23, 0.95) 0%, 
        rgba(22, 27, 34, 0.9) 50%, 
        rgba(33, 38, 45, 0.85) 100%);
    border: 1px solid rgba(48, 54, 61, 0.3);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    max-width: 280px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.3),
        0 0 0 1px rgba(97, 218, 251, 0.1);
    backdrop-filter: blur(10px);
}

.platform-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(97, 218, 251, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(147, 51, 234, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.platform-header {
    text-align: center;
    margin-bottom: var(--spacing-md);
    position: relative;
    z-index: 1;
}

.platform-title {
    font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
}

.platform-braces {
    color: #F7DF1E;
    font-weight: 700;
}

.platform-name {
    color: #4ADE80;
    font-weight: 600;
}

.platform-separator {
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(156, 163, 175, 0.3) 50%, 
        transparent 100%);
    margin-top: var(--spacing-sm);
}

.platform-info {
    font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
    font-size: 0.85rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
    position: relative;
    z-index: 1;
}

.platform-line {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-xs);
    white-space: nowrap;
    flex-wrap: nowrap;
}

.platform-key {
    color: #60A5FA;
    font-weight: 500;
}

.platform-colon {
    color: #9CA3AF;
}

.platform-value {
    color: #60A5FA;
    white-space: nowrap;
}

.platform-status-dot {
    color: #4ADE80;
    font-size: 0.8rem;
    margin-right: var(--spacing-xs);
}

.platform-status {
    color: #4ADE80;
    font-weight: 500;
}

.platform-button {
    width: 100%;
    background: linear-gradient(90deg, 
        #60A5FA 0%, 
        #A78BFA 100%);
    border: none;
    border-radius: var(--radius-md);
    padding: var(--spacing-md) var(--spacing-lg);
    color: white;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
    gap: var(--spacing-sm);
    position: relative;
    z-index: 1;
    box-shadow: 
        0 4px 15px rgba(96, 165, 250, 0.3),
        0 0 0 1px rgba(96, 165, 250, 0.2);
    text-decoration: none;
}

.platform-button:hover {
    transform: translateY(-2px);
    box-shadow: 
        0 8px 25px rgba(96, 165, 250, 0.4),
        0 0 0 1px rgba(96, 165, 250, 0.3);
    color: white;
    text-decoration: none;
}

.platform-button span {
    white-space: nowrap;
}

.platform-arrow {
    font-size: 1rem;
    transition: transform var(--transition-normal);
    white-space: nowrap;
}

.platform-button:hover .platform-arrow {
    transform: translateX(4px);
}

.platform-button:focus {
    outline: 2px solid rgba(96, 165, 250, 0.5);
    outline-offset: 2px;
    color: white;
    text-decoration: none;
}

.platform-button:visited {
    color: white;
    text-decoration: none;
}

.footer-bottom {
    border-top: 1px solid var(--border-primary);
    padding-top: var(--spacing-lg);
    text-align: center;
}

.footer-copyright {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Enhanced Footer Styles */
.footer-hero {
    background: linear-gradient(135deg, 
        rgba(35, 134, 54, 0.1) 0%, 
        rgba(31, 111, 235, 0.1) 50%, 
        rgba(255, 107, 107, 0.1) 100%);
    border: 1px solid rgba(48, 54, 61, 0.3);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.footer-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 30%, rgba(35, 134, 54, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 70% 70%, rgba(31, 111, 235, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.footer-hero-content {
    position: relative;
    z-index: 1;
}

.footer-hero-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, #238636 0%, #1f6feb 50%, #ff6b6b 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.hero-icon {
    font-size: 2rem;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

.footer-hero-description {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.coding-icons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.coding-icon {
    width: 60px;
    height: 60px;
    padding: var(--spacing-sm);
    background: rgba(48, 54, 61, 0.3);
    border: 1px solid rgba(48, 54, 61, 0.5);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(5px);
}

.tech-logo {
    width: 32px;
    height: 32px;
    transition: all var(--transition-normal);
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

.coding-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

.coding-icon:hover {
    transform: translateY(-6px) scale(1.15);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
}

.coding-icon:hover .tech-logo {
    transform: scale(1.2);
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.5));
}

.coding-icon:hover::before {
    left: 100%;
}

/* Specific technology hover effects */
.coding-icon[title="HTML5"]:hover {
    background: rgba(227, 79, 38, 0.2);
    border-color: rgba(227, 79, 38, 0.6);
    box-shadow: 0 12px 30px rgba(227, 79, 38, 0.4);
}

.coding-icon[title="CSS3"]:hover {
    background: rgba(21, 114, 182, 0.2);
    border-color: rgba(21, 114, 182, 0.6);
    box-shadow: 0 12px 30px rgba(21, 114, 182, 0.4);
}

.coding-icon[title="JavaScript"]:hover {
    background: rgba(247, 223, 30, 0.2);
    border-color: rgba(247, 223, 30, 0.6);
    box-shadow: 0 12px 30px rgba(247, 223, 30, 0.4);
}

.coding-icon[title="Python"]:hover {
    background: rgba(55, 118, 171, 0.2);
    border-color: rgba(55, 118, 171, 0.6);
    box-shadow: 0 12px 30px rgba(55, 118, 171, 0.4);
}

.coding-icon[title="React"]:hover {
    background: rgba(97, 218, 251, 0.2);
    border-color: rgba(97, 218, 251, 0.6);
    box-shadow: 0 12px 30px rgba(97, 218, 251, 0.4);
}

.coding-icon[title="Node.js"]:hover {
    background: rgba(51, 153, 51, 0.2);
    border-color: rgba(51, 153, 51, 0.6);
    box-shadow: 0 12px 30px rgba(51, 153, 51, 0.4);
}

.coding-icon[title="Git"]:hover {
    background: rgba(240, 80, 50, 0.2);
    border-color: rgba(240, 80, 50, 0.6);
    box-shadow: 0 12px 30px rgba(240, 80, 50, 0.4);
}

.coding-icon[title="MongoDB"]:hover {
    background: rgba(71, 162, 72, 0.2);
    border-color: rgba(71, 162, 72, 0.6);
    box-shadow: 0 12px 30px rgba(71, 162, 72, 0.4);
}

.footer-stats {
    display: flex;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-lg);
    justify-content: center;
}

.footer-stats .stat-item {
    text-align: center;
    padding: var(--spacing-md);
    background: rgba(48, 54, 61, 0.2);
    border: 1px solid rgba(48, 54, 61, 0.3);
    border-radius: var(--radius-md);
    min-width: 120px;
}

.footer-stats .stat-number {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-primary);
    margin-bottom: var(--spacing-xs);
}

.footer-stats .stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.footer-icon {
    margin-right: var(--spacing-sm);
    font-size: 1.2rem;
}

.footer-title {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.malaysian-focus {
    background: linear-gradient(135deg, 
        rgba(255, 107, 107, 0.1) 0%, 
        rgba(35, 134, 54, 0.1) 50%, 
        rgba(31, 111, 235, 0.1) 100%);
    border: 1px solid rgba(48, 54, 61, 0.3);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin: var(--spacing-2xl) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.malaysian-focus::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(255, 107, 107, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(35, 134, 54, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.malaysian-content {
    position: relative;
    z-index: 1;
}

.malaysian-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.flag-icon {
    font-size: 1.8rem;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

.malaysian-description {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.malaysian-features {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.feature-tag {
    background: rgba(35, 134, 54, 0.2);
    border: 1px solid rgba(35, 134, 54, 0.3);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.875rem;
    color: var(--text-primary);
    transition: all var(--transition-normal);
}

.feature-tag:hover {
    background: rgba(35, 134, 54, 0.3);
    border-color: rgba(35, 134, 54, 0.5);
    transform: translateY(-2px);
}

.footer-bottom-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    align-items: center;
}

.footer-developed {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.footer-developed .footer-link {
    color: var(--accent-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-developed .footer-link:hover {
    color: var(--accent-secondary);
}

/* Auth Pages Styles */
.auth-section {
    padding: var(--spacing-2xl) 0;
    min-height: calc(100vh - 200px);
    display: flex;
    align-items: center;
}

.auth-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    max-width: 1000px;
    margin: 0 auto;
}

.auth-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-lg);
}

.auth-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.auth-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
}

.auth-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.auth-subtitle {
    color: var(--text-secondary);
    font-size: 1.125rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.checkbox-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.checkbox-container input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 18px;
    height: 18px;
    border: 2px solid var(--border-primary);
    border-radius: var(--radius-sm);
    position: relative;
    transition: all var(--transition-fast);
}

.checkbox-container input[type="checkbox"]:checked + .checkmark {
    background-color: var(--accent-primary);
    border-color: var(--accent-primary);
}

.checkbox-container input[type="checkbox"]:checked + .checkmark::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 12px;
    font-weight: bold;
}

.forgot-password,
.auth-link,
.terms-link {
    color: var(--accent-primary);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color var(--transition-fast);
}

.forgot-password:hover,
.auth-link:hover,
.terms-link:hover {
    color: var(--accent-secondary);
    text-decoration: underline;
}

.auth-divider {
    text-align: center;
    margin: var(--spacing-xl) 0;
    position: relative;
    color: var(--text-muted);
}

.auth-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background-color: var(--border-primary);
    z-index: 1;
}

.auth-divider span {
    background-color: var(--bg-secondary);
    padding: 0 var(--spacing-md);
    position: relative;
    z-index: 2;
}

.social-login {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.social-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.social-icon {
    font-size: 1.25rem;
}

.auth-footer {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.auth-info {
    padding: var(--spacing-xl);
}

.info-content {
    max-width: 400px;
}

.info-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.info-description {
    color: var(--text-secondary);
    font-size: 1.125rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-xl);
}

.info-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.feature-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.feature-content h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.feature-content p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.5;
}

.password-strength {
    margin-top: var(--spacing-sm);
}

.strength-bar {
    width: 100%;
    height: 4px;
    background-color: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    overflow: hidden;
    margin-bottom: var(--spacing-xs);
}

.strength-fill {
    height: 100%;
    border-radius: var(--radius-sm);
    transition: all var(--transition-normal);
}

.strength-text {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* GitHub-Inspired Dashboard Styles */
.dashboard-header {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-primary);
    padding: var(--spacing-md) var(--spacing-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.header-left .logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.25rem;
}

.header-center {
    flex: 1;
    max-width: 500px;
    margin: 0 var(--spacing-xl);
}

.search-bar {
    position: relative;
    display: flex;
    align-items: center;
}

.search-input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    padding-right: 40px;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.875rem;
    transition: all var(--transition-fast);
}

.search-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(35, 134, 54, 0.1);
}

.search-btn {
    position: absolute;
    right: 8px;
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    transition: color var(--transition-fast);
}

.search-btn:hover {
    color: var(--text-primary);
}

.header-right .user-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

/* Notification System */
.notification-container {
    position: relative;
}

.notification-btn {
    position: relative;
    background: none;
    border: none;
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.notification-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: scale(1.05);
}

.notification-icon {
    font-size: 1.5rem;
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.notification-btn:hover .notification-icon {
    color: var(--accent-primary);
    transform: rotate(15deg);
}

.notification-badge {
    position: absolute;
    top: -2px;
    right: -2px;
    background: #ff4757;
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 10px;
    min-width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: pulse-badge 2s ease-in-out infinite;
}

@keyframes pulse-badge {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.notification-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    width: 380px;
    max-height: 500px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.3),
        0 0 0 1px rgba(255, 255, 255, 0.05);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-normal);
    backdrop-filter: blur(20px);
}

.notification-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.notification-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-primary);
}

.notification-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.mark-all-read {
    background: none;
    border: none;
    color: var(--accent-primary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.mark-all-read:hover {
    background: rgba(35, 134, 54, 0.1);
}

.notification-list {
    max-height: 350px;
    overflow-y: auto;
    padding: var(--spacing-sm) 0;
}

.notification-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-primary);
    transition: all var(--transition-fast);
    position: relative;
}

.notification-item:hover {
    background: rgba(255, 255, 255, 0.02);
}

.notification-item.unread {
    background: rgba(35, 134, 54, 0.05);
    border-left: 3px solid var(--accent-primary);
}

.notification-item.unread::before {
    content: '';
    position: absolute;
    top: 50%;
    left: var(--spacing-sm);
    width: 8px;
    height: 8px;
    background: var(--accent-primary);
    border-radius: 50%;
    transform: translateY(-50%);
    animation: pulse-dot 2s ease-in-out infinite;
}

.notification-icon-item {
    font-size: 1.5rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.notification-content {
    flex: 1;
    min-width: 0;
}

.notification-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    line-height: 1.3;
}

.notification-message {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.4;
    margin-bottom: var(--spacing-xs);
}

.notification-time {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.notification-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    flex-shrink: 0;
}

.notification-action-btn {
    background: var(--accent-primary);
    color: white;
    border: none;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.notification-action-btn:hover {
    background: #2d8f47;
    transform: translateY(-1px);
}

.notification-footer {
    padding: var(--spacing-md) var(--spacing-lg);
    border-top: 1px solid var(--border-primary);
    text-align: center;
}

.view-all-notifications {
    background: none;
    border: 1px solid var(--border-primary);
    color: var(--text-primary);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    width: 100%;
}

.view-all-notifications:hover {
    background: var(--bg-tertiary);
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

/* Notifications Page Styles */
.notifications-page {
    min-height: 100vh;
    padding: var(--spacing-2xl) 0;
    background: var(--bg-primary);
}

.notifications-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Page Header */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-2xl);
    gap: var(--spacing-lg);
}

.page-title-section {
    flex: 1;
}

.page-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, var(--text-primary), var(--accent-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin: 0;
}

.page-actions {
    display: flex;
    gap: var(--spacing-md);
    flex-shrink: 0;
}

/* Filter Tabs */
.notification-filters {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-2xl);
    padding: var(--spacing-sm);
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    overflow-x: auto;
}

.filter-tab {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: none;
    border: none;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    position: relative;
}

.filter-tab:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

.filter-tab.active {
    background: var(--accent-primary);
    color: white;
    box-shadow: 0 4px 12px rgba(35, 134, 54, 0.3);
}

.tab-icon {
    font-size: 1rem;
}

.tab-count {
    background: rgba(255, 255, 255, 0.2);
    color: inherit;
    font-size: 0.75rem;
    padding: 2px 6px;
    border-radius: 10px;
    min-width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.filter-tab.active .tab-count {
    background: rgba(255, 255, 255, 0.3);
}

/* Notifications Content */
.notifications-content {
    position: relative;
}

.notifications-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xl);
}

/* Notification Groups */
.notification-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.group-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--border-primary);
}

.group-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.group-count {
    font-size: 0.875rem;
    color: var(--text-muted);
    background: var(--bg-tertiary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
}

.group-notifications {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

/* Notification Cards */
.notification-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.notification-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-primary);
}

.notification-card.unread {
    border-left: 4px solid var(--accent-primary);
    background: linear-gradient(135deg, var(--bg-secondary) 0%, rgba(35, 134, 54, 0.02) 100%);
}

.notification-card.unread::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
}

.notification-card-header {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.notification-icon-large {
    font-size: 2.5rem;
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border-radius: 50%;
    border: 2px solid var(--border-primary);
}

.notification-info {
    flex: 1;
    min-width: 0;
}

.notification-info h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-xs) 0;
    line-height: 1.3;
}

.notification-info p {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin: 0;
}

.notification-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-shrink: 0;
}

.status-badge {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-badge.unread {
    background: rgba(35, 134, 54, 0.1);
    color: var(--accent-primary);
    border: 1px solid rgba(35, 134, 54, 0.2);
}

.status-badge.read {
    background: var(--bg-tertiary);
    color: var(--text-muted);
    border: 1px solid var(--border-primary);
}

.notification-menu-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.25rem;
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
}

.notification-menu-btn:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.notification-card-content {
    margin-bottom: var(--spacing-lg);
}

.notification-card-content .notification-message {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
}

.notification-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-primary);
}

.detail-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.detail-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.detail-value {
    font-size: 0.875rem;
    color: var(--text-primary);
    font-weight: 500;
}

.notification-card-actions {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--spacing-3xl) var(--spacing-lg);
    color: var(--text-secondary);
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.5;
}

.empty-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.empty-message {
    font-size: 1rem;
    margin-bottom: var(--spacing-xl);
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

/* Notification Menu Dropdown */
.notification-menu-dropdown {
    position: fixed;
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
    min-width: 160px;
}

.notification-menu-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.menu-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-primary);
    font-size: 0.875rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.menu-item:hover {
    background: var(--bg-tertiary);
}

.menu-icon {
    font-size: 1rem;
    width: 16px;
    text-align: center;
}

.menu-text {
    flex: 1;
}

.menu-divider {
    height: 1px;
    background: var(--border-primary);
    margin: var(--spacing-xs) 0;
}

/* Scoreboard Leadership Section */
.scoreboard-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xl);
}

/* User Position Card */
.user-position-card {
    background: linear-gradient(135deg, 
        rgba(35, 134, 54, 0.08) 0%, 
        rgba(35, 134, 54, 0.03) 50%,
        rgba(35, 134, 54, 0.05) 100%);
    border: 2px solid var(--accent-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    position: relative;
    overflow: hidden;
}

.user-position-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
}

.position-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
}

.position-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    background: linear-gradient(135deg, var(--text-primary), var(--accent-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.position-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
}

.position-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-primary);
    line-height: 1;
}

.position-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.user-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-lg);
}

.user-stats .stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-primary);
}

.user-stats .stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
}

.user-stats .stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* Leaders Section */
.leaders-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.leaders-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.title-icon {
    font-size: 1.75rem;
}

.leaders-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

/* Leader Cards */
.leader-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.leader-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-primary);
}

.leader-card.first-place {
    border-color: #ffd700;
    background: linear-gradient(135deg, 
        rgba(255, 215, 0, 0.05) 0%, 
        rgba(255, 215, 0, 0.02) 100%);
}

.leader-card.first-place::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #ffd700, #ffed4e);
}

.leader-card.second-place {
    border-color: #c0c0c0;
    background: linear-gradient(135deg, 
        rgba(192, 192, 192, 0.05) 0%, 
        rgba(192, 192, 192, 0.02) 100%);
}

.leader-card.third-place {
    border-color: #cd7f32;
    background: linear-gradient(135deg, 
        rgba(205, 127, 50, 0.05) 0%, 
        rgba(205, 127, 50, 0.02) 100%);
}

.leader-card.current-user {
    border-color: var(--accent-primary);
    background: linear-gradient(135deg, 
        rgba(35, 134, 54, 0.08) 0%, 
        rgba(35, 134, 54, 0.03) 100%);
    box-shadow: 0 0 20px rgba(35, 134, 54, 0.1);
}

.leader-rank {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    flex-shrink: 0;
    min-width: 60px;
}

.rank-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
}

.rank-crown {
    font-size: 1.25rem;
    animation: crown-glow 2s ease-in-out infinite;
}

@keyframes crown-glow {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.rank-medal {
    font-size: 1.25rem;
}

.current-badge {
    background: var(--accent-primary);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.leader-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    flex: 1;
    min-width: 0;
}

.leader-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    border: 2px solid var(--border-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.leader-avatar.current-avatar {
    border-color: var(--accent-primary);
    background: linear-gradient(135deg, 
        rgba(35, 134, 54, 0.1) 0%, 
        rgba(35, 134, 54, 0.05) 100%);
}

.avatar-text {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.leader-details {
    flex: 1;
    min-width: 0;
}

.leader-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-xs) 0;
    line-height: 1.3;
}

.leader-location {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin: 0 0 var(--spacing-sm) 0;
}

.leader-stats {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.leader-stats .stat {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.leader-score {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    flex-shrink: 0;
    min-width: 80px;
}

.score-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
}

.score-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
}

/* Enhanced Profile Section */
.profile-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xl);
}

/* Profile Header Card */
.profile-header-card {
    background: linear-gradient(135deg, 
        rgba(35, 134, 54, 0.08) 0%, 
        rgba(35, 134, 54, 0.03) 50%,
        rgba(35, 134, 54, 0.05) 100%);
    border: 2px solid var(--accent-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    position: relative;
    overflow: hidden;
}

.profile-header-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
}

.profile-avatar-section {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.profile-avatar-container {
    position: relative;
    flex-shrink: 0;
}

.profile-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    border: 4px solid var(--bg-primary);
    box-shadow: var(--shadow-lg);
}

.avatar-initials {
    font-size: 2rem;
    font-weight: 700;
    color: white;
}

.avatar-edit-btn {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--accent-primary);
    border: 2px solid var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.avatar-edit-btn:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-md);
}

.edit-icon {
    font-size: 0.875rem;
}

.profile-basic-info {
    flex: 1;
}

.profile-name {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-sm) 0;
    background: linear-gradient(135deg, var(--text-primary), var(--accent-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.profile-title {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin: 0 0 var(--spacing-md) 0;
}

.profile-badges {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.badge {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-level {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    color: white;
}

.badge-streak {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: white;
}

.badge-achievements {
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
    color: white;
}

.profile-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--spacing-lg);
}

.profile-stats .stat-item {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-primary);
}

.profile-stats .stat-number {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.profile-stats .stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* Profile Tabs */
.profile-tabs {
    display: flex;
    gap: var(--spacing-sm);
    border-bottom: 2px solid var(--border-primary);
    margin-bottom: var(--spacing-xl);
}

.tab-btn {
    padding: var(--spacing-md) var(--spacing-lg);
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    color: var(--text-secondary);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
}

.tab-btn:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.tab-btn.active {
    color: var(--accent-primary);
    border-bottom-color: var(--accent-primary);
    background: var(--bg-tertiary);
}

/* Tab Content */
.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Profile Form Card */
.profile-form-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
}

.card-header {
    margin-bottom: var(--spacing-xl);
}

.card-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-sm) 0;
}

.card-header p {
    color: var(--text-secondary);
    margin: 0;
}

/* Enhanced Form */
.enhanced-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.form-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.section-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-md) 0;
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--border-primary);
}

.form-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.label-icon {
    font-size: 1rem;
}

.form-input {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border: 2px solid var(--border-primary);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1rem;
    transition: all var(--transition-normal);
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(35, 134, 54, 0.1);
}

.form-input::placeholder {
    color: var(--text-muted);
}

/* Interests Container */
.interests-container {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    align-items: center;
}

.interest-tag {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--accent-primary);
    color: white;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
}

.add-interest-btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: transparent;
    border: 2px dashed var(--border-primary);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.875rem;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.add-interest-btn:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

/* Form Actions */
.form-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
    padding-top: var(--spacing-lg);
    border-top: 2px solid var(--border-primary);
}

.btn-icon {
    margin-right: var(--spacing-sm);
}

/* Dashboard Achievements Grid */
.content-section#achievements .achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.content-section#achievements .achievement-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    min-height: 200px;
}

.content-section#achievements .achievement-card.earned {
    border-color: var(--accent-primary);
    background: linear-gradient(135deg, 
        rgba(35, 134, 54, 0.08) 0%, 
        rgba(35, 134, 54, 0.03) 100%);
    box-shadow: 0 4px 12px rgba(35, 134, 54, 0.1);
}

.content-section#achievements .achievement-card.earned::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
}

.content-section#achievements .achievement-card.locked {
    opacity: 0.7;
    filter: grayscale(0.4);
    background: var(--bg-tertiary);
}

.content-section#achievements .achievement-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-primary);
}

.content-section#achievements .achievement-card.locked:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.content-section#achievements .achievement-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    display: block;
}

.content-section#achievements .achievement-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-sm) 0;
    line-height: 1.3;
}

.content-section#achievements .achievement-card p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin: 0 0 var(--spacing-md) 0;
    line-height: 1.5;
    flex-grow: 1;
    display: flex;
    align-items: center;
    text-align: center;
}

.content-section#achievements .achievement-date {
    font-size: 0.75rem;
    color: var(--accent-primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: rgba(35, 134, 54, 0.1);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    margin-top: auto;
}

.content-section#achievements .achievement-progress {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 500;
    background: var(--bg-primary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-primary);
    margin-top: auto;
}

/* Activity Timeline */
.activity-timeline {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.timeline-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
    padding: var(--spacing-xl);
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    position: relative;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 24px;
    top: 60px;
    bottom: -20px;
    width: 2px;
    background: var(--border-primary);
}

.timeline-item:last-child::before {
    display: none;
}

.timeline-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    border: 2px solid var(--border-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.timeline-content {
    flex: 1;
}

.timeline-content h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-xs) 0;
}

.timeline-content p {
    color: var(--text-secondary);
    margin: 0 0 var(--spacing-sm) 0;
}

.timeline-time {
    font-size: 0.875rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* Preferences Grid */
.preferences-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.preference-card {
    padding: var(--spacing-xl);
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
}

.preference-card h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-lg) 0;
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--border-primary);
}

.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.welcome-text {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.dashboard-layout {
    display: flex;
    min-height: calc(100vh - 80px);
}

/* Sidebar Navigation */
.sidebar {
    width: 280px;
    background-color: var(--bg-secondary);
    border-right: 1px solid var(--border-primary);
    padding: var(--spacing-xl) 0;
    position: sticky;
    top: 80px;
    height: calc(100vh - 80px);
    overflow-y: auto;
}

.sidebar-nav {
    padding: 0 var(--spacing-lg);
}

.nav-section {
    margin-bottom: var(--spacing-xl);
}

.nav-section-title {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-md);
    padding: 0 var(--spacing-md);
}

.nav-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.nav-item {
    margin-bottom: var(--spacing-xs);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    font-size: 0.875rem;
}

.nav-link:hover {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}

.nav-link.active {
    background-color: var(--accent-primary);
    color: white;
}

.nav-icon {
    font-size: 1.125rem;
    width: 20px;
    text-align: center;
}

.nav-text {
    font-weight: 500;
}

/* Main Content */
.main-content {
    flex: 1;
    padding: var(--spacing-xl);
    background-color: #161b224b;
    overflow-y: auto;
}

.content-section {
    display: none;
}

.content-section.active {
    display: block;
}

.section-header {
    margin-bottom: var(--spacing-2xl);
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1.125rem;
}

/* Stats Grid */
/* Live Date & Time Display */
.datetime-display {
    margin-bottom: var(--spacing-2xl);
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, var(--bg-secondary), rgba(15, 118, 110, 0.1));
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.datetime-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.datetime-icon {
    font-size: 2.5rem;
    opacity: 0.9;
}

.datetime-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.current-time {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-primary);
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    letter-spacing: 2px;
}

.current-date {
    font-size: 1.125rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Subjects Section */
.subjects-section {
    margin-bottom: var(--spacing-2xl);
}

.subjects-header {
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.subjects-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-xs) 0;
}

.subjects-subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    margin: 0;
}

.subjects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-lg);
}

.subject-card {
    background: linear-gradient(135deg, var(--bg-secondary), rgba(15, 118, 110, 0.1));
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all var(--transition-normal);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    position: relative;
    overflow: hidden;
}

.subject-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-primary), #10b981);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.subject-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-primary);
}

.subject-card:hover::before {
    transform: scaleX(1);
}

.subject-card.web-dev-subject:hover {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(15, 118, 110, 0.1));
}

.subject-card.html-css-subject:hover {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.15), rgba(15, 118, 110, 0.1));
}

.subject-card.python-subject:hover {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(15, 118, 110, 0.1));
}

.subject-card.javascript-subject:hover {
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.1), rgba(15, 118, 110, 0.1));
}

.subject-card.general-knowledge-subject:hover {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1), rgba(15, 118, 110, 0.1));
}

.subject-card.math-subject:hover {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.1), rgba(15, 118, 110, 0.1));
}

.subject-card.science-subject:hover {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.1), rgba(15, 118, 110, 0.1));
}

.subject-card.english-subject:hover {
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.1), rgba(15, 118, 110, 0.1));
}

.subject-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-xs);
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.subject-name {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.subject-description {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.5;
    flex: 1;
}

.subject-status {
    margin-top: var(--spacing-xs);
}

.subject-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.subject-badge.active {
    background: rgba(16, 185, 129, 0.2);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.subject-badge.available {
    background: rgba(59, 130, 246, 0.2);
    color: #3b82f6;
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.subject-badge.coming-soon {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-muted);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.stat-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    transition: all var(--transition-normal);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-icon {
    font-size: 2rem;
}

.stat-content {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--accent-primary);
    line-height: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
}

/* Content Cards */
.content-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.card-header {
    margin-bottom: var(--spacing-lg);
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.card-subtitle {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Active Courses Section */
.active-courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
}

.active-course-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.active-course-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--accent-primary);
}

.active-course-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.active-course-card:hover::before {
    transform: scaleX(1);
}

.active-course-card.coming-soon {
    border-color: rgba(16, 185, 129, 0.45);
    background: linear-gradient(180deg, var(--bg-secondary), rgba(16, 185, 129, 0.08));
}

.course-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.course-icon {
    font-size: 2rem;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-primary);
    flex-shrink: 0;
}

.course-info {
    flex: 1;
}

.course-name {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-xs) 0;
}

.course-level {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0;
}

.course-status {
    flex-shrink: 0;
}

.status-badge {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-badge.in-progress {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    color: white;
}

.status-badge.just-started {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
}

.status-badge.coming-soon {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
}

.course-progress {
    margin-bottom: var(--spacing-lg);
}

.progress-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

/* Active Course Card Progress Info - Stacked Layout */
.active-course-card .progress-info {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
}

.active-course-card .steps-completed {
    font-size: 0.95rem;
    color: var(--text-primary);
    font-weight: 500;
    line-height: 1.4;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.active-course-card .steps-completed::before {
    content: '📚';
    font-size: 1rem;
    opacity: 0.8;
}

.active-course-card .progress-percentage {
    font-size: 0.875rem;
    color: var(--accent-primary);
    font-weight: 600;
    padding: 0.25rem 0.75rem;
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: var(--radius-sm);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.active-course-card .progress-percentage::before {
    content: '✨';
    font-size: 0.875rem;
}

.steps-completed {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.progress-percentage {
    font-size: 0.875rem;
    color: var(--accent-primary);
    font-weight: 600;
}

.progress-bar {
    width: 100%;
    height: 6px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    overflow: hidden;
    margin-bottom: var(--spacing-sm);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    border-radius: var(--radius-sm);
    transition: width 0.3s ease;
}

.next-step {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.8rem;
}

.next-label {
    color: var(--text-muted);
    font-weight: 500;
}

.next-topic {
    color: var(--text-secondary);
    font-weight: 500;
}

.course-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.course-actions .btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
}

.btn-icon {
    font-size: 0.875rem;
}

/* Enhanced Projects Section */
.project-stats-overview {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.project-stats-overview .stat-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    transition: all var(--transition-normal);
}

.project-stats-overview .stat-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--accent-primary);
}

.project-stats-overview .stat-icon {
    font-size: 2rem;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-primary);
    flex-shrink: 0;
}

.project-stats-overview .stat-content {
    flex: 1;
}

.project-stats-overview .stat-number {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-primary);
    line-height: 1;
}

.project-stats-overview .stat-label {
    display: block;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
}

/* Featured Project Section */
.featured-project-section {
    margin-bottom: var(--spacing-xl);
}

.featured-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
}

.featured-icon {
    font-size: 1.5rem;
    color: var(--accent-primary);
}

.featured-project-card {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    position: relative;
    overflow: hidden;
    transition: all var(--transition-normal);
}

.featured-project-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-primary);
}

.featured-project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
}

.featured-project-header {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.project-icon-container {
    position: relative;
    flex-shrink: 0;
}

.project-icon-background {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--border-primary);
    position: relative;
    overflow: hidden;
}

.project-icon-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.1) 50%, transparent 70%);
    animation: icon-rotate 3s linear infinite;
}

.project-icon {
    font-size: 2.5rem;
    z-index: 1;
    position: relative;
}

.featured-badge {
    position: absolute;
    top: -8px;
    right: -8px;
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: 2px solid var(--bg-primary);
    position: relative;
    overflow: hidden;
}

.featured-badge .badge-pulse {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.3) 50%, transparent 70%);
    animation: pulse-dot 2s ease-in-out infinite;
}

.featured-project-info {
    flex: 1;
}

.featured-project-info h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-sm) 0;
    background: linear-gradient(135deg, var(--text-primary), var(--accent-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.project-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.project-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.feature-tag {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
    border: 1px solid var(--border-primary);
}

.featured-project-details {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: var(--spacing-lg);
}

.project-meta {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.project-meta .meta-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.project-meta .meta-icon {
    font-size: 1rem;
}

.featured-project-details .project-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-shrink: 0;
}

/* Projects Container */
.projects-container {
    margin-top: var(--spacing-xl);
}

.projects-section-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
}

.section-icon {
    font-size: 1.5rem;
    color: var(--accent-primary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-lg);
}

.enhanced-project-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.enhanced-project-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--accent-primary);
}

.enhanced-project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.enhanced-project-card:hover::before {
    transform: scaleX(1);
}

.enhanced-project-card.completed::before {
    background: linear-gradient(90deg, #10b981, #059669);
}

.enhanced-project-card.in-progress::before {
    background: linear-gradient(90deg, #3b82f6, #1d4ed8);
}

.project-card-header {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.project-icon-section {
    position: relative;
    flex-shrink: 0;
}

.project-icon-section .project-icon-background {
    width: 60px;
    height: 60px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-primary);
    position: relative;
    overflow: hidden;
}

.project-icon-section .project-icon-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.05) 50%, transparent 70%);
    animation: icon-rotate 4s linear infinite;
}

.project-icon-section .project-icon {
    font-size: 1.75rem;
    z-index: 1;
    position: relative;
}

.project-badge {
    position: absolute;
    top: -6px;
    right: -6px;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: 2px solid var(--bg-secondary);
    position: relative;
    overflow: hidden;
}

.project-badge .badge-text {
    position: relative;
    z-index: 1;
}

.project-badge .badge-pulse {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.2) 50%, transparent 70%);
    animation: pulse-dot 2s ease-in-out infinite;
}

.enhanced-project-card.completed .project-badge {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
}

.enhanced-project-card.in-progress .project-badge {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    color: white;
}

.project-title-section {
    flex: 1;
}

.project-title-section h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-sm) 0;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.project-tags .tag {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.7rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.tag-beginner {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
}

.tag-intermediate {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    color: white;
}

.tag-advanced {
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
    color: white;
}

.tag-popular {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: white;
}

.tag-api {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
}

.tag-fullstack {
    background: linear-gradient(135deg, #06b6d4, #0891b2);
    color: white;
}

.tag-practice {
    background: linear-gradient(135deg, #84cc16, #65a30d);
    color: white;
}

.tag-creative {
    background: linear-gradient(135deg, #ec4899, #db2777);
    color: white;
}

.tag-algorithm {
    background: linear-gradient(135deg, #6366f1, #4f46e5);
    color: white;
}

.project-content {
    margin-bottom: var(--spacing-lg);
}

.project-content .project-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.project-progress-section {
    margin-bottom: var(--spacing-md);
}

.progress-details {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.progress-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.progress-percentage {
    font-size: 0.875rem;
    color: var(--accent-primary);
    font-weight: 600;
}

.progress-container {
    margin-bottom: var(--spacing-sm);
}

.project-meta-info {
    margin-top: var(--spacing-sm);
}

.meta-row {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.project-meta-info .meta-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.8rem;
    color: var(--text-muted);
}

.project-meta-info .meta-icon {
    font-size: 0.875rem;
}

.project-skills {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.skill-tag {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
    border: 1px solid var(--border-primary);
    position: relative;
    overflow: hidden;
}

.skill-tag::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    transition: left 0.5s ease;
}

.skill-tag:hover::before {
    left: 100%;
}

.skill-tag:hover {
    background: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
}

.project-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.project-actions .btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
}

/* Learning Hub Styles */
.learning-header {
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-primary);
    padding: var(--spacing-lg) 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header-left .back-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-secondary);
    text-decoration: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    border: 1px solid var(--border-primary);
}

.header-left .back-btn:hover {
    color: var(--accent-primary);
    border-color: var(--accent-primary);
    background: var(--bg-secondary);
}

.back-icon {
    font-size: 1.25rem;
    font-weight: 600;
}

.header-center .learning-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.title-icon {
    font-size: 1.75rem;
    color: var(--accent-primary);
}

.learning-progress {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    min-width: 200px;
}

.learning-progress .progress-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    white-space: nowrap;
}

.learning-progress .progress-bar {
    flex: 1;
    height: 6px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.learning-progress .progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    border-radius: var(--radius-sm);
    transition: width 0.3s ease;
}

.learning-progress .progress-text {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--accent-primary);
    min-width: 35px;
}

.learning-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-lg);
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: var(--spacing-xl);
    min-height: calc(100vh - 200px);
}

/* Course Navigation */
.course-nav {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    height: fit-content;
    position: sticky;
    top: 120px;
}

.nav-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-xs) 0;
}

.nav-header p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0 0 var(--spacing-lg) 0;
}

.nav-progress {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-primary);
}

.nav-progress .progress-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.nav-progress .progress-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.nav-progress .progress-percentage {
    font-size: 0.875rem;
    color: var(--accent-primary);
    font-weight: 600;
}

.nav-progress .progress-bar {
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.nav-progress .progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    border-radius: var(--radius-sm);
    transition: width 0.3s ease;
}

.course-modules {
    list-style: none;
    padding: 0;
    margin: 0;
}

.module-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    transition: all var(--transition-normal);
    cursor: pointer;
}

.module-item:hover {
    background: var(--bg-tertiary);
}

.module-item.completed {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.module-item.current {
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.module-item.locked {
    opacity: 0.6;
    cursor: not-allowed;
}

.module-icon {
    font-size: 1.25rem;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.module-info {
    flex: 1;
}

.module-info h3 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-xs) 0;
}

.module-info p {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin: 0 0 var(--spacing-xs) 0;
    line-height: 1.4;
}

.module-status {
    font-size: 0.7rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.module-item.completed .module-status {
    color: #10b981;
}

.module-item.current .module-status {
    color: #3b82f6;
}

.module-item.locked .module-status {
    color: var(--text-muted);
}

/* Learning Content */
.learning-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.current-lesson {
    padding: var(--spacing-xl);
}

.lesson-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-xl);
    gap: var(--spacing-lg);
}

.lesson-info h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-sm) 0;
}

.lesson-subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    margin: 0 0 var(--spacing-md) 0;
}

.lesson-meta {
    display: flex;
    gap: var(--spacing-lg);
}

.lesson-meta .meta-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.lesson-meta .meta-icon {
    font-size: 1rem;
}

.lesson-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-shrink: 0;
}

/* Content Tabs */
.content-tabs {
    display: flex;
    border-bottom: 1px solid var(--border-primary);
    margin-bottom: var(--spacing-xl);
}

.tab-btn {
    background: none;
    border: none;
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.tab-btn:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.tab-btn.active {
    color: var(--accent-primary);
    border-bottom-color: var(--accent-primary);
    background: var(--bg-tertiary);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Theory Content */
.theory-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-lg) 0;
}

.theory-content p {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.code-example {
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

.code-example h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-md) 0;
}

.code-example pre {
    background: #1e1e1e;
    color: #d4d4d4;
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
    overflow-x: auto;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.875rem;
    line-height: 1.5;
    margin: 0;
}

.learning-tips {
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

.learning-tips h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-md) 0;
}

.learning-tips ul {
    margin: 0;
    padding-left: var(--spacing-lg);
}

.learning-tips li {
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.learning-tips strong {
    color: var(--text-primary);
}

/* Practice Content */
.practice-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-lg) 0;
}

.practice-content p {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.code-editor {
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    overflow: hidden;
    margin: var(--spacing-lg) 0;
}

.editor-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-primary);
}

.editor-title {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
}

.code-input {
    width: 100%;
    min-height: 200px;
    background: #1e1e1e;
    color: #d4d4d4;
    border: none;
    padding: var(--spacing-lg);
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.875rem;
    line-height: 1.5;
    resize: vertical;
    outline: none;
}

.code-input::placeholder {
    color: #6b7280;
}

.output-panel {
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

.output-panel h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-md) 0;
}

.output-content {
    background: #1e1e1e;
    color: #d4d4d4;
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.875rem;
    line-height: 1.5;
    min-height: 60px;
}

.output-placeholder {
    color: #6b7280;
    font-style: italic;
    margin: 0;
}

/* Quiz Content */
.quiz-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-lg) 0;
}

.quiz-content p {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.quiz-question {
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.quiz-question h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-md) 0;
}

.code-snippet {
    background: #1e1e1e;
    color: #d4d4d4;
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.875rem;
    line-height: 1.5;
    margin: var(--spacing-md) 0;
    overflow-x: auto;
}

.quiz-options {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.option {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.option:hover {
    background: var(--bg-tertiary);
}

.option input[type="radio"] {
    margin: 0;
}

.option-text {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Learning Resources */
.learning-resources {
    padding: var(--spacing-xl);
    border-top: 1px solid var(--border-primary);
    background: var(--bg-primary);
}

.learning-resources h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-lg) 0;
}

.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.resource-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    text-align: center;
    transition: all var(--transition-normal);
}

.resource-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--accent-primary);
}

.resource-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

.resource-card h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-sm) 0;
}

.resource-card p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0 0 var(--spacing-md) 0;
    line-height: 1.4;
}

/* Learning Footer */
.learning-footer {
    background: var(--bg-primary);
    border-top: 1px solid var(--border-primary);
    padding: var(--spacing-lg) 0;
    position: sticky;
    bottom: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer-text {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.lesson-navigation {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    color: var(--text-secondary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.nav-btn:hover {
    color: var(--accent-primary);
    border-color: var(--accent-primary);
    background: var(--bg-tertiary);
}

.nav-icon {
    font-size: 1rem;
}

.lesson-counter {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Game Hub Styles */
.game-nav {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    height: fit-content;
    position: sticky;
    top: 120px;
}

.game-stats {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-primary);
}

.game-stats .stat-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    flex: 1;
}

.game-stats .stat-icon {
    font-size: 1.25rem;
}

.game-stats .stat-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.game-stats .stat-value {
    font-size: 1rem;
    font-weight: 700;
    color: var(--accent-primary);
}

.game-stages {
    list-style: none;
    padding: 0;
    margin: 0;
}

.stage-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    transition: all var(--transition-normal);
    cursor: pointer;
    border: 1px solid transparent;
}

.stage-item:hover {
    background: var(--bg-tertiary);
    border-color: var(--border-primary);
}

.stage-item.completed {
    background: rgba(16, 185, 129, 0.1);
    border-color: rgba(16, 185, 129, 0.2);
}

.stage-item.current {
    background: rgba(59, 130, 246, 0.1);
    border-color: rgba(59, 130, 246, 0.2);
}

.stage-item.locked {
    opacity: 0.6;
    cursor: not-allowed;
}

.stage-icon {
    font-size: 1.5rem;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stage-info {
    flex: 1;
}

.stage-info h3 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-xs) 0;
}

.stage-info p {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin: 0 0 var(--spacing-xs) 0;
    line-height: 1.4;
}

.stage-stars {
    display: flex;
    gap: 2px;
}

.star {
    font-size: 0.75rem;
    color: #fbbf24;
}

.star.empty {
    color: var(--text-muted);
}

/* Game Content */
.game-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.game-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: var(--spacing-xl);
    border-bottom: 1px solid var(--border-primary);
    gap: var(--spacing-lg);
}

.game-info h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-sm) 0;
}

.game-subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    margin: 0 0 var(--spacing-md) 0;
}

.game-meta {
    display: flex;
    gap: var(--spacing-lg);
}

.game-meta .meta-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.game-meta .meta-icon {
    font-size: 1rem;
}

.game-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-shrink: 0;
}

/* Game Area */
.game-area {
    padding: var(--spacing-xl);
    min-height: 500px;
}

.game-stage {
    display: none;
}

.game-stage.active {
    display: block;
}

.stage-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.stage-header h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-sm) 0;
}

.stage-header p {
    font-size: 1rem;
    color: var(--text-secondary);
    margin: 0;
}

/* Learning Info Cards */
.learning-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
}

.info-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    transition: all var(--transition-normal);
}

.info-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.info-card h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-md) 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.info-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.info-card li {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    padding-left: var(--spacing-md);
    position: relative;
    line-height: 1.5;
}

.info-card li::before {
    content: '•';
    color: var(--accent-primary);
    font-weight: bold;
    position: absolute;
    left: 0;
}

.info-card strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* Stage 1: CSS Color Mixer */
.color-mixer-game {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    max-width: 800px;
    margin: 0 auto;
}

.target-color-section,
.mixer-controls {
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
}

.target-color-section h4,
.mixer-controls h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-lg) 0;
}

.color-box {
    width: 150px;
    height: 150px;
    border-radius: var(--radius-lg);
    margin: 0 auto var(--spacing-md) auto;
    border: 3px solid var(--border-primary);
    box-shadow: var(--shadow-md);
}

.target-color {
    background: rgb(255, 100, 50);
}

.your-color {
    background: rgb(128, 128, 128);
}

.color-info {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
}

.color-sliders {
    margin-bottom: var(--spacing-lg);
}

.slider-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.slider-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    min-width: 40px;
}

.slider-group input[type="range"] {
    flex: 1;
    height: 6px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    outline: none;
}

.slider-group input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    background: var(--accent-primary);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
}

.slider-group input[type="range"]::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: var(--accent-primary);
    border-radius: 50%;
    cursor: pointer;
    border: none;
    box-shadow: var(--shadow-sm);
}

.slider-group span {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--accent-primary);
    min-width: 35px;
    text-align: right;
}

.game-controls {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    margin-top: var(--spacing-lg);
}

.accuracy-display {
    text-align: center;
    margin-top: var(--spacing-lg);
    font-size: 1.125rem;
    font-weight: 600;
    min-height: 30px;
}

/* Stage 2: HTML House Builder */
.house-builder-game {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    max-width: 900px;
    margin: 0 auto;
}

.house-parts,
.house-canvas {
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.house-parts h4,
.house-canvas h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-lg) 0;
}

.parts-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
}

.house-part {
    background: var(--bg-secondary);
    border: 2px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    text-align: center;
    cursor: grab;
    transition: all var(--transition-normal);
    font-size: 0.875rem;
    font-weight: 500;
}

.house-part:hover {
    background: var(--bg-tertiary);
    border-color: var(--accent-primary);
    transform: translateY(-2px);
}

.house-part:active {
    cursor: grabbing;
}

.house-area {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(3, 1fr);
    gap: var(--spacing-sm);
    min-height: 300px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
}

.drop-zone {
    background: var(--bg-secondary);
    border: 2px dashed var(--border-primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    color: var(--text-muted);
    transition: all var(--transition-normal);
    min-height: 60px;
}

.drop-zone.drag-over {
    border-color: var(--accent-primary);
    background: rgba(59, 130, 246, 0.1);
    color: var(--accent-primary);
}

.drop-zone.occupied {
    border-style: solid;
    border-color: var(--accent-primary);
    background: var(--bg-primary);
}

/* Stage 3: Fix the Broken Webpage */
.webpage-fixer-game {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    max-width: 900px;
    margin: 0 auto;
}

.broken-webpage,
.code-options {
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.broken-webpage h4,
.code-options h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-lg) 0;
}

.webpage-preview {
    background: white;
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    min-height: 200px;
}

.broken-element {
    background: #fee2e2;
    color: #dc2626;
    padding: var(--spacing-sm);
    margin: var(--spacing-sm) 0;
    border-radius: var(--radius-sm);
    border: 1px solid #fecaca;
}

.broken-element.wrong-color {
    background: #fef3c7;
    color: #d97706;
    border-color: #fed7aa;
}

.broken-element.broken-layout {
    background: #e0e7ff;
    color: #3730a3;
    border-color: #c7d2fe;
}

.options-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.code-option {
    background: var(--bg-secondary);
    border: 2px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.875rem;
}

.code-option:hover {
    border-color: var(--accent-primary);
    background: var(--bg-tertiary);
}

.code-option.selected {
    border-color: var(--accent-primary);
    background: rgba(59, 130, 246, 0.1);
}

/* Stage 4: CSS Layout Builder */
.layout-builder-game {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-xl);
    max-width: 1000px;
    margin: 0 auto;
}

.layout-preview {
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.layout-preview h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-lg) 0;
}

.preview-container {
    background: white;
    border: 2px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    min-height: 400px;
    display: grid;
    grid-template-columns: 1fr 2fr;
    grid-template-rows: auto 1fr auto;
    gap: 10px;
}

.layout-item {
    background: var(--accent-primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    transition: all var(--transition-normal);
}

.layout-item.header {
    grid-column: 1 / -1;
    background: #3b82f6;
}

.layout-item.sidebar {
    background: #10b981;
}

.layout-item.main {
    background: #f59e0b;
}

.layout-item.footer {
    grid-column: 1 / -1;
    background: #ef4444;
}

.layout-controls {
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.layout-controls h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-lg) 0;
}

.layout-type-selector {
    margin-bottom: var(--spacing-lg);
}

.layout-type-selector label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.layout-type-selector select {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-sm);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 0.875rem;
}

.layout-properties {
    margin-bottom: var(--spacing-lg);
}

.property-group {
    margin-bottom: var(--spacing-md);
}

.property-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.property-group input {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-sm);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 0.875rem;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
}

.property-group input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

/* Stage 5: Grow the Garden */
.garden-game {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-xl);
    max-width: 900px;
    margin: 0 auto;
}

.garden-area {
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(2, 1fr);
    gap: var(--spacing-md);
    min-height: 300px;
}

.seed-spot {
    background: #f3f4f6;
    border: 2px dashed #d1d5db;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    min-height: 80px;
    position: relative;
}

.seed-spot:hover {
    background: #e5e7eb;
    border-color: #9ca3af;
}

.seed-spot.planted {
    background: #dcfce7;
    border-color: #22c55e;
    border-style: solid;
    box-shadow: 0 4px 8px rgba(34, 197, 94, 0.3);
}

.seed-spot.planted::after {
    content: '🌱';
    font-size: 2rem;
    animation: grow 0.5s ease-in-out;
}

.seed-spot.grown {
    background: linear-gradient(135deg, #dcfce7, #bbf7d0);
    border-color: #16a34a;
    box-shadow: 0 6px 12px rgba(22, 163, 74, 0.4);
}

.seed-spot.grown::after {
    content: '🌺';
    font-size: 2.5rem;
    animation: bloom 0.8s ease-in-out;
}

.css-styling-panel {
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.css-styling-panel h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-lg) 0;
}

.style-preview {
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-primary);
}

.style-preview h5 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-md) 0;
    text-align: center;
}

.preview-box {
    width: 80px;
    height: 80px;
    background: #4ade80;
    border-radius: 0px;
    box-shadow: 0 0px 0px rgba(0, 0, 0, 0.3);
    margin: 0 auto;
    transition: all var(--transition-normal);
    border: 2px solid var(--border-primary);
}

/* Stage 6: CSS Shape Artist */
.shape-artist-game {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 20px;
    margin-top: 20px;
}

.shape-canvas {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    padding: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.shape-canvas h4 {
    margin: 0 0 15px 0;
    color: #e2e8f0;
    font-size: 16px;
}

.canvas-area {
    min-height: 200px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px dashed rgba(255, 255, 255, 0.3);
}

.shape-preview {
    width: 100px;
    height: 100px;
    background: #3b82f6;
    border-radius: 0px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
    /* Allow JavaScript to override these properties */
    border: none;
    margin: 0;
    padding: 0;
}

.shape-controls {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    padding: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.shape-controls h4 {
    margin: 0 0 15px 0;
    color: #e2e8f0;
    font-size: 16px;
}

.similarity-indicator {
    margin-top: 15px;
    text-align: center;
}

.similarity-bar {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 8px;
}

.similarity-fill {
    height: 100%;
    background: linear-gradient(90deg, #ef4444 0%, #f97316 25%, #eab308 50%, #22c55e 75%, #10b981 100%);
    border-radius: 4px;
    transition: width 0.5s ease;
    width: 0%;
}

.similarity-text {
    font-size: 14px;
    font-weight: 600;
    color: #e2e8f0;
}

.target-animation {
    width: 60px;
    height: 60px;
    background: #3b82f6;
    border-radius: 50%;
    margin: 10px auto;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    animation: target-bounce 2s infinite ease-in-out;
}

@keyframes target-bounce {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* Target Layout Preview for Responsive Design */
.target-layout {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 15px 0;
}

.target-mobile-layout {
    width: 120px;
    height: 160px;
    border: 2px solid #3b82f6;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    background: rgba(59, 130, 246, 0.1);
    overflow: hidden;
}

.target-mobile-layout .target-header,
.target-mobile-layout .target-content,
.target-mobile-layout .target-sidebar,
.target-mobile-layout .target-footer {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 8px;
    font-weight: 600;
    color: #1e40af;
    border-bottom: 1px solid rgba(59, 130, 246, 0.3);
}

.target-mobile-layout .target-header {
    height: 20%;
    background: rgba(59, 130, 246, 0.2);
}

.target-mobile-layout .target-content {
    height: 40%;
    background: rgba(59, 130, 246, 0.1);
}

.target-mobile-layout .target-sidebar {
    height: 20%;
    background: rgba(59, 130, 246, 0.15);
}

.target-mobile-layout .target-footer {
    height: 20%;
    background: rgba(59, 130, 246, 0.2);
    border-bottom: none;
}

/* Desktop Layout Preview */
.target-desktop-layout {
    width: 200px;
    height: 120px;
    border: 2px solid #3b82f6;
    border-radius: 8px;
    display: grid;
    grid-template-areas: 
        "header header"
        "sidebar content"
        "footer footer";
    grid-template-rows: 1fr 2fr 1fr;
    grid-template-columns: 1fr 2fr;
    background: rgba(59, 130, 246, 0.1);
    overflow: hidden;
}

.target-desktop-layout .target-header {
    grid-area: header;
    background: rgba(59, 130, 246, 0.2);
}

.target-desktop-layout .target-sidebar {
    grid-area: sidebar;
    background: rgba(59, 130, 246, 0.15);
}

.target-desktop-layout .target-content {
    grid-area: content;
    background: rgba(59, 130, 246, 0.1);
}

.target-desktop-layout .target-footer {
    grid-area: footer;
    background: rgba(59, 130, 246, 0.2);
}

.target-desktop-layout .target-header,
.target-desktop-layout .target-content,
.target-desktop-layout .target-sidebar,
.target-desktop-layout .target-footer {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    font-weight: 600;
    color: #1e40af;
    border-right: 1px solid rgba(59, 130, 246, 0.3);
    border-bottom: 1px solid rgba(59, 130, 246, 0.3);
}

.target-desktop-layout .target-header,
.target-desktop-layout .target-footer {
    border-right: none;
}

.target-desktop-layout .target-sidebar,
.target-desktop-layout .target-content {
    border-bottom: none;
}

/* Tablet Layout Preview */
.target-tablet-layout {
    width: 160px;
    height: 140px;
    border: 2px solid #3b82f6;
    border-radius: 8px;
    display: grid;
    grid-template-areas: 
        "header header"
        "content sidebar"
        "footer footer";
    grid-template-rows: 1fr 2fr 1fr;
    grid-template-columns: 1fr 1fr;
    background: rgba(59, 130, 246, 0.1);
    overflow: hidden;
}

.target-tablet-layout .target-header {
    grid-area: header;
    background: rgba(59, 130, 246, 0.2);
}

.target-tablet-layout .target-content {
    grid-area: content;
    background: rgba(59, 130, 246, 0.1);
}

.target-tablet-layout .target-sidebar {
    grid-area: sidebar;
    background: rgba(59, 130, 246, 0.15);
}

.target-tablet-layout .target-footer {
    grid-area: footer;
    background: rgba(59, 130, 246, 0.2);
}

.target-tablet-layout .target-header,
.target-tablet-layout .target-content,
.target-tablet-layout .target-sidebar,
.target-tablet-layout .target-footer {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 9px;
    font-weight: 600;
    color: #1e40af;
    border-right: 1px solid rgba(59, 130, 246, 0.3);
    border-bottom: 1px solid rgba(59, 130, 246, 0.3);
}

.target-tablet-layout .target-header,
.target-tablet-layout .target-footer {
    border-right: none;
}

.target-tablet-layout .target-content,
.target-tablet-layout .target-sidebar {
    border-bottom: none;
}

/* Text Layout Preview */
.target-text-layout {
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: center;
}

.target-text-mobile,
.target-text-desktop {
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
    text-align: center;
}

.target-text-mobile {
    background: rgba(59, 130, 246, 0.2);
    color: #1e40af;
    border: 1px solid rgba(59, 130, 246, 0.4);
}

.target-text-desktop {
    background: rgba(59, 130, 246, 0.1);
    color: #1e40af;
    border: 1px solid rgba(59, 130, 246, 0.3);
}



.shape-type-selector {
    margin-bottom: 20px;
}

.shape-type-selector label {
    display: block;
    margin-bottom: 8px;
    color: #cbd5e1;
    font-size: 14px;
}

.shape-type-selector select {
    width: 100%;
    padding: 10px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    color: #e2e8f0;
    font-size: 14px;
}

.shape-properties {
    margin-bottom: 20px;
}

/* Challenge Section */
.challenge-section {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    padding: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.challenge-section h4 {
    margin: 0 0 15px 0;
    color: #e2e8f0;
    font-size: 16px;
}

.challenge-display {
    margin-bottom: 20px;
}

.challenge-title {
    font-size: 18px;
    font-weight: 600;
    color: #fbbf24;
    margin-bottom: 10px;
}

.challenge-description {
    color: #cbd5e1;
    font-size: 14px;
    line-height: 1.5;
    margin-bottom: 15px;
}

.challenge-target {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.target-shape {
    width: 80px;
    height: 80px;
    background: #3b82f6;
    border-radius: 0px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
}

.target-label {
    color: #94a3b8;
    font-size: 12px;
    font-weight: 500;
}

.challenge-progress {
    margin-top: 15px;
}

.progress-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
    font-size: 14px;
    color: #cbd5e1;
}

.progress-stars {
    color: #fbbf24;
    font-size: 16px;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #3b82f6, #10b981);
    border-radius: 4px;
    transition: width 0.5s ease;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #e2e8f0;
    padding: 8px 16px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-1px);
}


.drop-zone {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    border: 2px dashed rgba(255, 255, 255, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #94a3b8;
    font-size: 14px;
    transition: all 0.3s ease;
    min-height: 80px;
}

.drop-zone.drag-over {
    border-color: #3b82f6;
    background: rgba(59, 130, 246, 0.1);
}

.drop-zone.occupied {
    border-color: #10b981;
    background: rgba(16, 185, 129, 0.1);
    color: #e2e8f0;
}


/* Stage 7: CSS Selector Detective */

.selector-detective-game {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-top: 20px;
}

.mystery-scene {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    padding: 20px;
    min-height: 300px;
}

.mystery-description {
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 20px;
    font-size: 16px;
    color: #e2e8f0;
}

.mystery-elements {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 10px;
    margin: 20px 0;
}

.mystery-element {
    padding: 15px;
    border: 2px solid #374151;
    border-radius: 8px;
    background: #1f2937;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.mystery-element:hover {
    border-color: #3b82f6;
    background: rgba(59, 130, 246, 0.1);
}

.mystery-element.highlighted {
    border-color: #10b981;
    background: rgba(16, 185, 129, 0.2);
    animation: pulse 0.5s ease-in-out;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.selector-controls {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    padding: 20px;
}

.selector-input {
    width: 100%;
    padding: 12px;
    border: 1px solid #374151;
    border-radius: 8px;
    background: #1f2937;
    color: #e2e8f0;
    font-family: 'Courier New', monospace;
    font-size: 14px;
    margin-bottom: 15px;
}

.selector-input:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.selector-hints {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.3);
    border-radius: 8px;
    padding: 12px;
    margin-bottom: 15px;
}

.hint {
    color: #f59e0b;
    font-size: 14px;
    font-weight: 600;
}

.screen-controls {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.screen-btn {
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    color: #cbd5e1;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
}

.screen-btn:hover {
    background: rgba(255, 255, 255, 0.15);
}

.screen-btn.active {
    background: #3b82f6;
    border-color: #3b82f6;
    color: white;
}

.screen-preview {
    min-height: 200px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    overflow: hidden;
    transition: all 0.3s ease;
}

.screen-preview.mobile {
    width: 100%;
    max-width: 300px;
}

.screen-preview.tablet {
    width: 100%;
    max-width: 500px;
}

.screen-preview.desktop {
    width: 100%;
    max-width: 100%;
}

.responsive-layout {
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 200px;
}

.layout-header,
.layout-footer {
    background: #3b82f6;
    color: white;
    padding: 10px;
    text-align: center;
    font-size: 14px;
}

.layout-content {
    flex: 1;
    display: flex;
    background: rgba(255, 255, 255, 0.1);
}

.layout-sidebar {
    background: #10b981;
    color: white;
    padding: 10px;
    width: 30%;
    font-size: 14px;
}

.layout-main {
    background: #ef4444;
    color: white;
    padding: 10px;
    flex: 1;
    font-size: 14px;
}

.responsive-controls {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    padding: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.responsive-controls h4 {
    margin: 0 0 15px 0;
    color: #e2e8f0;
    font-size: 16px;
}

.media-query-editor {
    margin-bottom: 20px;
}

.media-query-editor label {
    display: block;
    margin-bottom: 8px;
    color: #cbd5e1;
    font-size: 14px;
}

.media-query-editor textarea {
    width: 100%;
    height: 120px;
    padding: 10px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    color: #e2e8f0;
    font-family: 'Courier New', monospace;
    font-size: 12px;
    resize: vertical;
}

/* Stage 8: CSS Selector Detective */
.selector-detective-game {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-top: 20px;
}

.mystery-scene {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    padding: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.mystery-scene h4 {
    margin: 0 0 15px 0;
    color: #e2e8f0;
    font-size: 16px;
}

.scene-content {
    min-height: 200px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.mystery-description {
    color: #fbbf24;
    font-weight: 600;
    margin: 0 0 15px 0;
    font-size: 14px;
}

.mystery-element {
    padding: 15px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #e2e8f0;
    text-align: center;
    transition: all 0.3s ease;
    font-size: 14px;
}

.mystery-element.highlighted {
    background: #3b82f6;
    border-color: #3b82f6;
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.detective-tools {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    padding: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.detective-tools h4 {
    margin: 0 0 15px 0;
    color: #e2e8f0;
    font-size: 16px;
}

.selector-input {
    margin-bottom: 20px;
}

.selector-input label {
    display: block;
    margin-bottom: 8px;
    color: #cbd5e1;
    font-size: 14px;
}

.selector-input input {
    width: 100%;
    padding: 10px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    color: #e2e8f0;
    font-family: 'Courier New', monospace;
    font-size: 14px;
}

.selector-hints {
    margin-bottom: 20px;
}

.selector-hints h5 {
    margin: 0 0 10px 0;
    color: #cbd5e1;
    font-size: 14px;
}

.hint-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.hint {
    padding: 6px 12px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    color: #e2e8f0;
    font-family: 'Courier New', monospace;
    font-size: 12px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Animation keyframes for new games */
@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-20px);
    }
    60% {
        transform: translateY(-10px);
    }
}

@keyframes rotate {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

@keyframes scale {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.2);
    }
}

@keyframes slide {
    0% {
        transform: translateX(-50px);
    }
    100% {
        transform: translateX(50px);
    }
}

.style-options {
    margin-bottom: var(--spacing-lg);
}

.style-group {
    margin-bottom: var(--spacing-md);
}

.style-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.style-group input[type="range"] {
    width: 100%;
    height: 6px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    outline: none;
    margin-bottom: var(--spacing-xs);
}

.style-group input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    background: var(--accent-primary);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
}

.style-group input[type="color"] {
    width: 100%;
    height: 40px;
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-sm);
    cursor: pointer;
}

.style-group span {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
}

/* Game Results */
.game-results {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.results-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    text-align: center;
    max-width: 400px;
    width: 90%;
}

.results-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-lg) 0;
}

.results-stats {
    display: flex;
    justify-content: space-around;
    margin-bottom: var(--spacing-lg);
}

.results-stats .stat {
    text-align: center;
}

.results-stats .stat-label {
    display: block;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.results-stats .stat-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-primary);
}

.results-actions {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
}

/* Game Footer */
.game-footer {
    background: var(--bg-primary);
    border-top: 1px solid var(--border-primary);
    padding: var(--spacing-lg) 0;
    position: sticky;
    bottom: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.game-footer .footer-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
}

.game-footer .footer-left {
    flex: 1;
    text-align: left;
}

.game-footer .footer-center {
    flex: 2;
    display: flex;
    justify-content: center;
}

.game-footer .footer-right {
    flex: 1;
    display: flex;
    justify-content: flex-end;
}

.stage-navigation {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.stage-counter {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
    white-space: nowrap;
}

/* Animations */
@keyframes grow {
    0% { transform: scale(0); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

@keyframes bloom {
    0% { transform: scale(1) rotate(0deg); }
    50% { transform: scale(1.3) rotate(180deg); }
    100% { transform: scale(1) rotate(360deg); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.pulse {
    animation: pulse 2s infinite;
}

/* Game Responsive Styles */
@media (max-width: 768px) {
    .learning-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .game-nav {
        position: static;
        order: 2;
    }
    
    .game-content {
        order: 1;
    }
    
    .game-header {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-md);
    }
    
    .game-actions {
        justify-content: center;
    }
    
    /* Stage 1: Color Mixer */
    .color-mixer-game {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .color-box {
        width: 120px;
        height: 120px;
    }
    
    /* Stage 2: House Builder */
    .house-builder-game {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .parts-grid {
        grid-template-columns: 1fr;
    }
    
    .house-area {
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: repeat(5, 1fr);
        min-height: 250px;
    }
    
    /* Stage 3: Webpage Fixer */
    .webpage-fixer-game {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    /* Stage 4: Layout Builder */
    .layout-builder-game {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .preview-container {
        min-height: 300px;
        grid-template-columns: 1fr;
        grid-template-rows: auto auto 1fr auto;
    }
    
    .layout-item.sidebar {
        grid-column: 1;
    }
    
    .layout-item.main {
        grid-column: 1;
    }
    
    /* Stage 5: Garden */
    .garden-game {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .garden-area {
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: repeat(3, 1fr);
        min-height: 250px;
    }
    
    .learning-info {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
        padding: var(--spacing-md);
    }
    
    .info-card {
        padding: var(--spacing-md);
    }
    
    .info-card h4 {
        font-size: 0.875rem;
    }
    
    .info-card li {
        font-size: 0.8rem;
    }
    
    .game-controls {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .results-actions {
        flex-direction: column;
    }
    
    .game-footer .footer-content {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .game-footer .footer-left,
    .game-footer .footer-center,
    .game-footer .footer-right {
        flex: none;
        justify-content: center;
    }
    
    .stage-navigation {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .stage-counter {
        order: -1;
    }
}

@media (max-width: 480px) {
    .game-header {
        padding: var(--spacing-lg);
    }
    
    .game-area {
        padding: var(--spacing-lg);
    }
    
    .color-box {
        width: 100px;
        height: 100px;
    }
    
    .house-area {
        grid-template-columns: 1fr;
        grid-template-rows: repeat(5, 1fr);
        min-height: 200px;
    }
    
    .preview-container {
        min-height: 250px;
        grid-template-columns: 1fr;
        grid-template-rows: auto auto 1fr auto;
    }
    
    .garden-area {
        grid-template-columns: 1fr;
        grid-template-rows: repeat(6, 1fr);
        min-height: 200px;
    }
    
    .slider-group {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-xs);
    }
    
    .slider-group label {
        min-width: auto;
        text-align: center;
    }
    
    .style-group input[type="range"] {
        margin-bottom: var(--spacing-sm);
    }
    
    .learning-info {
        padding: var(--spacing-sm);
    }
    
    .info-card {
        padding: var(--spacing-sm);
    }
    
    .info-card h4 {
        font-size: 0.8rem;
    }
    
    .info-card li {
        font-size: 0.75rem;
        margin-bottom: var(--spacing-xs);
    }
}


/* Course Items (Legacy - for other sections) */
.course-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    background-color: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
}

.course-item:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.course-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex: 1;
}

.course-icon {
    font-size: 2rem;
}

.course-details h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.course-details p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.course-progress {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: var(--spacing-sm);
    min-width: 150px;
}

.progress-bar {
    width: 120px;
    height: 8px;
    background-color: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    border-radius: var(--radius-sm);
    transition: width var(--transition-normal);
}

.progress-text {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Activity List */
.activity-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.activity-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
}

.activity-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.activity-content h4 {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.activity-content p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.activity-time {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Enhanced My Courses Section */
.section-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.course-stats-overview {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, var(--bg-secondary) 0%, rgba(35, 134, 54, 0.02) 100%);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
}

.courses-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xl);
}

.course-category {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.category-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.category-icon {
    font-size: 1.75rem;
}

/* Enhanced Course Cards */
.enhanced-card {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, rgba(35, 134, 54, 0.02) 100%);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.enhanced-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.enhanced-card:hover::before {
    transform: scaleX(1);
}

.enhanced-card:hover {
    transform: translateY(-4px);
    box-shadow: 
        0 12px 40px rgba(35, 134, 54, 0.1),
        0 0 0 1px rgba(35, 134, 54, 0.1);
}

/* Course Card Header */
.course-card-header {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    position: relative;
}

.course-icon-section {
    position: relative;
    flex-shrink: 0;
}

.course-icon-background {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, 
        rgba(35, 134, 54, 0.1) 0%, 
        rgba(35, 134, 54, 0.05) 100%);
    border: 2px solid rgba(35, 134, 54, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.course-icon-background::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(35, 134, 54, 0.1) 0%, transparent 70%);
    animation: icon-rotate 8s linear infinite;
}

@keyframes icon-rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.course-icon {
    font-size: 2.5rem;
    position: relative;
    z-index: 2;
    filter: drop-shadow(0 0 10px rgba(35, 134, 54, 0.3));
}

.course-badge {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--accent-primary);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    z-index: 3;
    box-shadow: 0 4px 12px rgba(35, 134, 54, 0.3);
}

.course-badge .badge-pulse {
    width: 6px;
    height: 6px;
    background: white;
    border-radius: 50%;
    animation: pulse-dot 2s ease-in-out infinite;
}

.course-title-section {
    flex: 1;
}

.course-title-section h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, var(--text-primary), var(--accent-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Course Content */
.course-content {
    margin-bottom: var(--spacing-xl);
}

.course-description {
    margin-bottom: var(--spacing-lg);
}

.course-description p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.95rem;
}

/* Enhanced Progress Section */
.course-progress-section {
    margin-bottom: var(--spacing-lg);
}

.progress-details {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.time-remaining {
    color: var(--accent-primary);
    font-weight: 600;
}

.course-duration {
    color: var(--text-muted);
    font-size: 0.75rem;
}

/* Course Info Section */
.course-info-section {
    margin-bottom: var(--spacing-lg);
}

.course-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.stat-box {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-align: left;
}

.stat-box .stat-icon {
    font-size: 1.5rem;
    opacity: 0.9;
}

.stat-details {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
}

.stat-value {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Course Meta Info */
.course-meta-info {
    margin-bottom: var(--spacing-lg);
}

.meta-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.meta-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.meta-icon {
    font-size: 1rem;
}

/* Course-specific Styling */
.web-dev-course {
    border-color: rgba(35, 134, 54, 0.3);
}

.web-dev-course .course-icon-background {
    background: linear-gradient(135deg, 
        rgba(35, 134, 54, 0.15) 0%, 
        rgba(35, 134, 54, 0.08) 100%);
    border-color: rgba(35, 134, 54, 0.3);
}

.python-course {
    border-color: rgba(255, 193, 7, 0.3);
}

.python-course .course-icon-background {
    background: linear-gradient(135deg, 
        rgba(255, 193, 7, 0.15) 0%, 
        rgba(255, 193, 7, 0.08) 100%);
    border-color: rgba(255, 193, 7, 0.3);
}

.python-course::before {
    background: linear-gradient(90deg, #ffc107, #ff9800);
}

.javascript-course {
    border-color: rgba(33, 150, 243, 0.3);
    opacity: 0.8;
}

.javascript-course .course-icon-background {
    background: linear-gradient(135deg, 
        rgba(33, 150, 243, 0.15) 0%, 
        rgba(33, 150, 243, 0.08) 100%);
    border-color: rgba(33, 150, 243, 0.3);
}

.javascript-course::before {
    background: linear-gradient(90deg, #2196f3, #1976d2);
}

/* Enhanced Tags */
.tag-trending {
    background: rgba(255, 87, 34, 0.1);
    color: #ff5722;
    border: 1px solid rgba(255, 87, 34, 0.2);
}

.tag-intermediate {
    background: rgba(156, 39, 176, 0.1);
    color: #9c27b0;
    border: 1px solid rgba(156, 39, 176, 0.2);
}

.tag-advanced {
    background: rgba(244, 67, 54, 0.1);
    color: #f44336;
    border: 1px solid rgba(244, 67, 54, 0.2);
}

/* Enhanced Buttons */
.btn-start {
    background: linear-gradient(135deg, #ffc107, #ff9800);
    border: none;
    color: white;
}

.btn-start:hover {
    background: linear-gradient(135deg, #ffb300, #f57c00);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 193, 7, 0.3);
}

.btn-notify {
    background: linear-gradient(135deg, #2196f3, #1976d2);
    border: none;
    color: white;
}

.btn-notify:hover {
    background: linear-gradient(135deg, #1976d2, #1565c0);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(33, 150, 243, 0.3);
}

.btn-preview {
    border-color: var(--border-primary);
    color: var(--text-secondary);
}

.btn-preview:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    background: rgba(35, 134, 54, 0.05);
}

/* Courses Grid */
.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-xl);
}

.course-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: all var(--transition-normal);
}

.course-card.coming-soon {
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.course-card.coming-soon::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.08), rgba(5, 150, 105, 0.02));
    border-radius: var(--radius-lg);
    pointer-events: none;
    z-index: 0;
}

.course-card.coming-soon .course-header,
.course-card.coming-soon .course-content,
.course-card.coming-soon .course-actions {
    position: relative;
    z-index: 1;
}

.course-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.course-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.course-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    flex: 1;
}

.course-status {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
}

.course-status.in-progress {
    background-color: rgba(35, 134, 54, 0.1);
    color: var(--accent-primary);
}

.course-status.not-started {
    background-color: var(--bg-tertiary);
    color: var(--text-muted);
}

.course-progress {
    margin-bottom: var(--spacing-lg);
}

.progress-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.progress-percentage {
    font-weight: 600;
    color: var(--accent-primary);
}

.course-actions {
    display: flex;
    gap: var(--spacing-md);
}

/* Progress Charts */
.progress-charts {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-xl);
}

.chart-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.chart-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
}

.chart-placeholder {
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    color: var(--text-muted);
}

/* Achievements Grid */
.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.achievement-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all var(--transition-normal);
}

.achievement-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.achievement-card.earned {
    border-color: var(--accent-primary);
    background-color: rgba(35, 134, 54, 0.05);
}

.achievement-card.locked {
    opacity: 0.6;
}

.achievement-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.achievement-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.achievement-card p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-md);
}

.achievement-date {
    font-size: 0.75rem;
    color: var(--accent-primary);
    font-weight: 500;
}

.achievement-progress {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.coming-soon-panel {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: linear-gradient(135deg, var(--bg-secondary), rgba(16, 185, 129, 0.12));
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.projects-coming-soon {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.15);
    background: linear-gradient(135deg, rgba(14, 23, 42, 0.9), rgba(15, 118, 110, 0.1));
    text-align: center;
    box-shadow: var(--shadow-md);
}

.projects-coming-soon-badge {
    display: inline-flex;
    margin: 0 auto;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    background: rgba(16, 185, 129, 0.2);
    color: #10b981;
    font-size: 0.75rem;
    letter-spacing: 0.4px;
    text-transform: uppercase;
}

.projects-coming-soon h3 {
    margin: var(--spacing-sm) auto 0;
    color: var(--text-primary);
}

.projects-coming-soon p {
    margin-top: var(--spacing-xs);
    color: var(--text-secondary);
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.coming-soon-panel p {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.6;
}

.coming-soon-header {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.coming-soon-header h3 {
    font-size: 1.5rem;
    margin: 0;
    color: var(--text-primary);
}

.exam-cards-grid {
    margin-top: var(--spacing-lg);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--spacing-lg);
}

.exam-card {
    background: linear-gradient(160deg, rgba(14, 23, 42, 0.9), rgba(15, 118, 110, 0.15));
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    min-height: 360px;
}

.exam-card-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.exam-card-icon {
    font-size: 2.25rem;
}

.exam-card h3 {
    margin: 0;
    font-size: 1.35rem;
    color: var(--text-primary);
}

.exam-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

.exam-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    color: var(--text-muted);
    font-size: 0.95rem;
}

.exam-card ul li::before {
    content: '•';
    margin-right: var(--spacing-xs);
    color: var(--accent-primary);
}

.exam-card-actions {
    margin-top: auto;
    display: flex;
    justify-content: flex-end;
}

.exam-card-actions .btn {
    padding: 0.45rem 1.25rem;
}

/* HTML & CSS Quiz Styles */
.quiz-container {
    margin-top: var(--spacing-2xl);
    padding: var(--spacing-2xl);
    background: linear-gradient(135deg, var(--bg-secondary), rgba(15, 118, 110, 0.1));
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.quiz-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 2px solid rgba(255, 255, 255, 0.1);
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.quiz-title-section h2 {
    margin: 0 0 var(--spacing-xs) 0;
    font-size: 2rem;
    color: var(--text-primary);
    font-weight: 700;
}

.quiz-subtitle {
    color: var(--text-secondary);
    margin: 0;
    font-size: 1rem;
}

.quiz-stats {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.quiz-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    min-width: 100px;
}

.quiz-stat .stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-xs);
}

.quiz-stat .stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-primary);
}

.question-card {
    background: linear-gradient(160deg, rgba(14, 23, 42, 0.95), rgba(15, 118, 110, 0.15));
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-md);
    position: relative;
}

.question-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.question-number {
    font-size: 0.875rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.question-points {
    font-size: 0.875rem;
    color: var(--accent-primary);
    font-weight: 600;
    background: rgba(16, 185, 129, 0.15);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
}

.question-text {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-xl) 0;
    line-height: 1.5;
    font-weight: 600;
}

.options-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.option-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    color: var(--text-primary);
    font-size: 1rem;
    text-align: left;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
}

.option-btn:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--accent-primary);
    transform: translateX(8px);
}

.option-btn.selected {
    border-color: var(--accent-primary);
    background: rgba(16, 185, 129, 0.1);
}

.option-btn.correct {
    border-color: #10b981;
    background: rgba(16, 185, 129, 0.2);
    color: #10b981;
}

.option-btn.incorrect {
    border-color: #ef4444;
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
}

.option-btn:disabled {
    cursor: not-allowed;
    opacity: 0.7;
}

.quiz-feedback {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    font-weight: 500;
    animation: slideIn 0.3s ease;
}

.quiz-feedback.correct {
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: #10b981;
}

.quiz-feedback.incorrect {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #ef4444;
}

.feedback-message {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.feedback-icon {
    font-size: 1.25rem;
}

.feedback-text {
    font-weight: 600;
}

.explanation-box {
    margin-top: var(--spacing-sm);
    padding: var(--spacing-md);
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--radius-sm);
    border-left: 3px solid currentColor;
}

.explanation-box strong {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-size: 0.9rem;
    opacity: 0.9;
}

.explanation-box p {
    margin: 0;
    line-height: 1.6;
    font-size: 0.95rem;
    opacity: 0.95;
}

.points-animation {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-primary);
    animation: pointsPop 1.5s ease forwards;
    pointer-events: none;
    z-index: 10;
}

@keyframes pointsPop {
    0% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.5);
    }
    50% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1.2);
    }
    100% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(1) translateY(-50px);
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.quiz-results {
    background: linear-gradient(160deg, rgba(14, 23, 42, 0.95), rgba(15, 118, 110, 0.15));
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-md);
    animation: slideIn 0.5s ease;
}

.results-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.results-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-lg);
    animation: bounce 1s ease infinite;
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

.results-content h2 {
    font-size: 2rem;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-xl) 0;
}

.final-score {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.score-item {
    display: flex;
    flex-direction: column;
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
}

.score-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.score-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-primary);
}

.awards-section {
    margin: var(--spacing-2xl) 0;
    padding: var(--spacing-xl);
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-md);
}

.awards-section h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-lg) 0;
}

.awards-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.award-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    text-align: left;
}

.award-icon {
    font-size: 2rem;
}

.award-info {
    flex: 1;
}

.award-name {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.award-desc {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.no-awards {
    color: var(--text-muted);
    font-style: italic;
    padding: var(--spacing-lg);
}

.quiz-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-top: var(--spacing-xl);
}

/* Responsive Quiz Styles */
@media (max-width: 768px) {
    .quiz-header {
        flex-direction: column;
    }
    
    .quiz-stats {
        width: 100%;
        justify-content: space-around;
    }
    
    .quiz-stat {
        flex: 1;
        min-width: auto;
    }
    
    .question-text {
        font-size: 1.25rem;
    }
    
    .final-score {
        grid-template-columns: 1fr;
    }
    
    .quiz-actions {
        flex-direction: column;
    }
    
    .quiz-actions .btn {
        width: 100%;
    }
}

.simple-projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.simple-project-card {
    background: linear-gradient(180deg, var(--bg-secondary), rgba(16, 185, 129, 0.04));
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.simple-project-card .project-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--spacing-md);
}

.simple-project-card .project-info h3 {
    margin: 0 0 var(--spacing-xs) 0;
}

.code-snippet {
    background: rgba(15, 23, 42, 0.65);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
    font-family: "JetBrains Mono", "Fira Code", monospace;
    font-size: 0.85rem;
    color: #e2e8f0;
    overflow-x: auto;
}

.code-snippet code {
    display: block;
    white-space: pre;
}

/* Enhanced Games Section */
.game-stats-overview {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, var(--bg-secondary) 0%, rgba(35, 134, 54, 0.02) 100%);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
}

/* Featured Game Section */
.featured-game-section {
    margin-bottom: var(--spacing-2xl);
}

.featured-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
}

.featured-icon {
    font-size: 1.75rem;
    color: #ffc107;
}

.featured-game-card {
    background: linear-gradient(135deg, 
        rgba(35, 134, 54, 0.08) 0%, 
        rgba(35, 134, 54, 0.03) 50%,
        rgba(35, 134, 54, 0.05) 100%);
    border: 2px solid var(--accent-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    position: relative;
    overflow: hidden;
    box-shadow: 
        0 12px 40px rgba(35, 134, 54, 0.1),
        0 0 0 1px rgba(35, 134, 54, 0.1);
}

.featured-game-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
}

.featured-game-header {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.game-icon-container {
    position: relative;
    flex-shrink: 0;
}

.game-icon-background {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, 
        rgba(35, 134, 54, 0.15) 0%, 
        rgba(35, 134, 54, 0.08) 100%);
    border: 2px solid rgba(35, 134, 54, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.game-icon-background::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(35, 134, 54, 0.1) 0%, transparent 70%);
    animation: icon-rotate 8s linear infinite;
}

.game-icon {
    font-size: 3rem;
    position: relative;
    z-index: 2;
    filter: drop-shadow(0 0 10px rgba(35, 134, 54, 0.3));
}

.featured-badge {
    position: absolute;
    top: -8px;
    right: -8px;
    background: #ffc107;
    color: #000;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    z-index: 3;
    box-shadow: 0 4px 12px rgba(255, 193, 7, 0.3);
}

.featured-badge .badge-pulse {
    width: 6px;
    height: 6px;
    background: #000;
    border-radius: 50%;
    animation: pulse-dot 2s ease-in-out infinite;
}

.featured-game-info {
    flex: 1;
}

.featured-game-info h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--text-primary), var(--accent-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.game-description {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
}

.game-features {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.feature-tag {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(35, 134, 54, 0.1);
    color: var(--accent-primary);
    border: 1px solid rgba(35, 134, 54, 0.2);
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.featured-game-progress {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: var(--spacing-xl);
}

.progress-section {
    flex: 1;
}

.next-level {
    color: var(--accent-primary);
    font-weight: 600;
}

.time-estimate {
    color: var(--accent-primary);
    font-weight: 600;
}

/* Games Container */
.games-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.games-section-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
}

.section-icon {
    font-size: 1.75rem;
}

/* Enhanced Game Cards */
.enhanced-game-card {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, rgba(35, 134, 54, 0.02) 100%);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.enhanced-game-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.enhanced-game-card:hover::before {
    transform: scaleX(1);
}

.enhanced-game-card:hover {
    transform: translateY(-4px);
    box-shadow: 
        0 12px 40px rgba(35, 134, 54, 0.1),
        0 0 0 1px rgba(35, 134, 54, 0.1);
}

/* Game Card Header - Same as Course Card Header */
.game-card-header {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    position: relative;
}

.game-icon-section {
    position: relative;
    flex-shrink: 0;
}

.game-title-section {
    flex: 1;
}

.game-title-section h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, var(--text-primary), var(--accent-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Game Content - Same as Course Content */
.game-content {
    margin-bottom: var(--spacing-xl);
}

.game-description {
    margin-bottom: var(--spacing-lg);
}

.game-description p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.95rem;
}

/* Game Progress Section - Same as Course Progress Section */
.game-progress-section {
    margin-bottom: var(--spacing-lg);
}

/* Game Meta Info - Same as Course Meta Info */
.game-meta-info {
    margin-bottom: var(--spacing-lg);
}

/* Game Skills - Same as Course Skills */
.game-skills {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    flex-wrap: wrap;
}

/* Game Badge - Same as Course Badge */
.game-badge {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--accent-primary);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    z-index: 3;
    box-shadow: 0 4px 12px rgba(35, 134, 54, 0.3);
}

.game-badge .badge-pulse {
    width: 6px;
    height: 6px;
    background: white;
    border-radius: 50%;
    animation: pulse-dot 2s ease-in-out infinite;
}

/* Game-specific Styling */
.web-dev-game {
    border-color: rgba(35, 134, 54, 0.3);
}

.web-dev-icon {
    background: linear-gradient(135deg, 
        rgba(35, 134, 54, 0.15) 0%, 
        rgba(35, 134, 54, 0.08) 100%);
    border-color: rgba(35, 134, 54, 0.3);
}

.python-game {
    border-color: rgba(255, 193, 7, 0.3);
}

.python-icon {
    background: linear-gradient(135deg, 
        rgba(255, 193, 7, 0.15) 0%, 
        rgba(255, 193, 7, 0.08) 100%);
    border-color: rgba(255, 193, 7, 0.3);
}

.python-game::before {
    background: linear-gradient(90deg, #ffc107, #ff9800);
}

.javascript-game {
    border-color: rgba(33, 150, 243, 0.3);
    opacity: 0.8;
}

.javascript-icon {
    background: linear-gradient(135deg, 
        rgba(33, 150, 243, 0.15) 0%, 
        rgba(33, 150, 243, 0.08) 100%);
    border-color: rgba(33, 150, 243, 0.3);
}

.javascript-game::before {
    background: linear-gradient(90deg, #2196f3, #1976d2);
}

/* Games Grid */
.games-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-xl);
}

.game-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all var(--transition-normal);
}

.game-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.game-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-lg);
}

.game-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.game-card p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.game-stats {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-lg);
}

/* Projects Grid */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.project-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: all var(--transition-normal);
}

.project-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.project-header h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

.project-status {
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: rgba(35, 134, 54, 0.1);
    color: var(--accent-primary);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
}

.project-card p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.project-tech {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.tech-tag {
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
}

.project-actions {
    display: flex;
    gap: var(--spacing-md);
}

/* Community Content */
.community-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.community-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.community-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
}

.leaderboard {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.leaderboard-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
}

.rank {
    font-weight: 700;
    color: var(--accent-primary);
    min-width: 20px;
}

.name {
    flex: 1;
    font-weight: 500;
    color: var(--text-primary);
}

.points {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Profile Form */
.profile-form {
    max-width: 600px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.form-input {
    width: 100%;
    padding: var(--spacing-md);
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.875rem;
    transition: all var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(35, 134, 54, 0.1);
}

/* Settings Sections */
.settings-sections {
    max-width: 600px;
}

.settings-section {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.settings-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
}

.settings-options {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.checkbox-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.checkbox-container input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 18px;
    height: 18px;
    border: 2px solid var(--border-primary);
    border-radius: var(--radius-sm);
    position: relative;
    transition: all var(--transition-fast);
}

.checkbox-container input[type="checkbox"]:checked + .checkmark {
    background-color: var(--accent-primary);
    border-color: var(--accent-primary);
}

.checkbox-container input[type="checkbox"]:checked + .checkmark::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 12px;
    font-weight: bold;
}

/* Settings Info Grid */
.settings-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.info-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.03), rgba(15, 118, 110, 0.05));
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    transition: all var(--transition-normal);
}

.info-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--accent-primary);
}

.info-icon {
    font-size: 2rem;
    flex-shrink: 0;
    opacity: 0.9;
}

.info-content {
    flex: 1;
}

.info-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-xs) 0;
}

.info-description {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.5;
}

/* Resource Items */
.resource-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    transition: all var(--transition-normal);
}

.resource-item:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--accent-primary);
}

.resource-item:last-child {
    margin-bottom: 0;
}

.resource-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
    opacity: 0.9;
}

.resource-content {
    flex: 1;
}

.resource-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-xs) 0;
}

.resource-description {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.5;
}

/* Coming Soon List */
.coming-soon-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.coming-soon-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
}

.coming-soon-item:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(16, 185, 129, 0.3);
    transform: translateX(4px);
}

.coming-soon-icon {
    font-size: 1.25rem;
    opacity: 0.8;
}

.coming-soon-text {
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .games-grid {
        grid-template-columns: 1fr;
    }
    
    .methodologies-grid {
        grid-template-columns: 1fr;
    }
    
    .achievements-grid {
        grid-template-columns: 1fr;
    }
    
    /* Active Courses Responsive */
    .active-courses-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .active-course-card {
        padding: var(--spacing-md);
    }
    
    .course-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }
    
    .course-status {
        align-self: flex-end;
    }
    
    .course-actions {
        flex-direction: column;
    }
    
    /* Enhanced Projects Responsive */
    .project-stats-overview {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
    
    .featured-project-header {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: var(--spacing-md);
    }
    
    .featured-project-details {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-md);
    }
    
    .featured-project-details .project-actions {
        width: 100%;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .enhanced-project-card {
        padding: var(--spacing-md);
    }
    
    .project-card-header {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: var(--spacing-sm);
    }
    
    .project-actions {
        flex-direction: column;
    }
    
    /* Learning Hub Responsive */
    .learning-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        padding: var(--spacing-lg);
    }
    
    .course-nav {
        position: static;
        order: 2;
    }
    
    .learning-content {
        order: 1;
    }
    
    .header-content {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .learning-progress {
        min-width: auto;
        width: 100%;
    }
    
    .lesson-header {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: var(--spacing-md);
    }
    
    .lesson-actions {
        width: 100%;
        justify-content: center;
    }
    
    .content-tabs {
        flex-wrap: wrap;
    }
    
    .tab-btn {
        flex: 1;
        min-width: 120px;
    }
    
    .resources-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .lesson-navigation {
        order: 1;
    }
    
    .footer-text {
        order: 2;
    }
    
    .footer-right {
        order: 3;
    }
    
    /* Dashboard Achievements Responsive */
    .content-section#achievements .achievements-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: var(--spacing-md);
    }
    
    .content-section#achievements .achievement-card {
        min-height: 180px;
        padding: var(--spacing-lg);
    }
    
    .content-section#achievements .achievement-icon {
        font-size: 2rem;
        margin-bottom: var(--spacing-sm);
    }
    
    .content-section#achievements .achievement-card h3 {
        font-size: 1rem;
        margin-bottom: var(--spacing-xs);
    }
    
    .content-section#achievements .achievement-card p {
        font-size: 0.8rem;
        margin-bottom: var(--spacing-sm);
    }
    
    .achievements-section .achievements-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .achievements-section .achievement-card {
        min-height: auto;
        padding: var(--spacing-lg);
    }
    
    .achievements-section .achievement-stats {
        flex-direction: column;
        gap: var(--spacing-md);
        align-items: center;
    }
    
    .achievements-section .achievement-stats .stat-item {
        width: 100%;
        max-width: 200px;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-lg);
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-lg);
    }

    .footer-separator,
    .column-separator {
        display: none;
    }

    .footer-brand {
        max-width: 100%;
        margin-bottom: var(--spacing-lg);
    }

    .footer-cta {
        margin-top: var(--spacing-md);
    }

    /* Enhanced Footer Responsive */
    .footer-hero-title {
        font-size: 1.5rem;
        flex-direction: column;
        gap: var(--spacing-xs);
    }

    .footer-hero-description {
        font-size: 1rem;
        padding: 0 var(--spacing-md);
    }

    .coding-icons {
        gap: var(--spacing-sm);
    }

    .coding-icon {
        width: 50px;
        height: 50px;
        padding: var(--spacing-xs);
    }

    .tech-logo {
        width: 24px;
        height: 24px;
    }

    .footer-stats {
        flex-direction: column;
        gap: var(--spacing-md);
        align-items: center;
    }

    .footer-stats .stat-item {
        min-width: 200px;
    }

    .malaysian-features {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-sm);
    }

    .feature-tag {
        width: 100%;
        max-width: 300px;
        text-align: center;
    }

    .malaysian-title {
        font-size: 1.25rem;
        flex-direction: column;
        gap: var(--spacing-xs);
    }

    .platform-card {
        max-width: 100%;
        margin: 0 auto;
        padding: var(--spacing-md);
    }

    .platform-title {
        font-size: 1rem;
    }

    .platform-info {
        font-size: 0.8rem;
    }

    .platform-button {
        font-size: 0.85rem;
        padding: var(--spacing-sm) var(--spacing-md);
    }

    /* Auth Pages Responsive */
    .auth-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .auth-info {
        order: -1;
        text-align: center;
    }

    .info-content {
        max-width: none;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .form-options {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }

    /* Dashboard Responsive */
    .dashboard-header {
        flex-direction: column;
        gap: var(--spacing-md);
        padding: var(--spacing-md);
    }

    .header-center {
        margin: 0;
        max-width: none;
    }

    .dashboard-layout {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        height: auto;
        position: static;
        border-right: none;
        border-bottom: 1px solid var(--border-primary);
    }

    .sidebar-nav {
        display: flex;
        overflow-x: auto;
        padding: var(--spacing-md);
    }

    .nav-section {
        margin-bottom: 0;
        margin-right: var(--spacing-xl);
        min-width: 200px;
    }

    .nav-section-title {
        margin-bottom: var(--spacing-sm);
    }

    .main-content {
        padding: var(--spacing-lg);
    }

    .datetime-display {
        padding: var(--spacing-md);
    }
    
    .current-time {
        font-size: 1.5rem;
    }
    
    .current-date {
        font-size: 1rem;
    }
    
    .subjects-title {
        font-size: 1.75rem;
    }
    
    .subjects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .subject-card {
        padding: var(--spacing-lg);
    }
    
    .subject-icon {
        font-size: 2.5rem;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .courses-grid,
    .achievements-grid,
    .games-grid,
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    /* Dashboard Achievements Tablet */
    .content-section#achievements .achievements-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
    
    .content-section#achievements .achievement-card {
        min-height: 190px;
        padding: var(--spacing-lg);
    }
    
    .content-section#achievements .achievement-icon {
        font-size: 2.25rem;
        margin-bottom: var(--spacing-sm);
    }
    
    .content-section#achievements .achievement-card h3 {
        font-size: 1.05rem;
        margin-bottom: var(--spacing-sm);
    }
    
    .content-section#achievements .achievement-card p {
        font-size: 0.85rem;
        margin-bottom: var(--spacing-sm);
    }

    .progress-charts {
        grid-template-columns: 1fr;
    }

    .course-item {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }

    .course-progress {
        align-items: flex-start;
        width: 100%;
    }

    .progress-bar {
        width: 100%;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .course-actions,
    .project-actions {
        flex-direction: column;
    }

    /* Enhanced Continue Learning Responsive */
    .card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }

    .header-actions {
        align-self: flex-end;
    }

    .course-info {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }

    .course-icon-container {
        align-self: center;
    }

    .course-meta {
        flex-direction: row;
        flex-wrap: wrap;
        gap: var(--spacing-md);
    }

    .progress-milestones {
        flex-wrap: wrap;
        gap: var(--spacing-sm);
    }

    .milestone {
        width: 20px;
        height: 20px;
        font-size: 0.625rem;
    }

    .course-actions {
        flex-direction: column;
        width: 100%;
    }

    .btn-continue,
    .btn-review {
        width: 100%;
        justify-content: center;
    }

    .course-grid {
        grid-template-columns: 1fr;
    }

    /* Enhanced Web Dev Card Responsive */
    .course-title-section {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }

    .course-tags {
        align-self: flex-start;
    }

    .course-level {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }

    .course-meta {
        flex-direction: row;
        flex-wrap: wrap;
        gap: var(--spacing-md);
    }

    .course-skills {
        justify-content: flex-start;
    }

    .icon-background {
        width: 60px;
        height: 60px;
    }

    .course-icon {
        font-size: 2rem;
    }

    .icon-particles {
        width: 80px;
        height: 80px;
    }

    .decoration-dots {
        right: var(--spacing-sm);
    }

}

@media (max-width: 480px) {
    .course-title-section {
        text-align: center;
        align-items: center;
    }

    .course-tags {
        justify-content: center;
    }

    .course-level {
        align-items: center;
        text-align: center;
    }
    
    .settings-info-grid {
        grid-template-columns: 1fr;
    }
    
    .info-card {
        padding: var(--spacing-md);
    }
    
    .resource-item {
        padding: var(--spacing-sm);
    }
    
    .coming-soon-item {
        padding: var(--spacing-sm);
    }

    .course-meta {
        flex-direction: column;
        gap: var(--spacing-sm);
        align-items: center;
    }

    .course-skills {
        justify-content: center;
    }

    .icon-background {
        width: 50px;
        height: 50px;
    }

    .course-icon {
        font-size: 1.5rem;
    }

    .icon-particles {
        width: 60px;
        height: 60px;
    }

    .decoration-dots {
        display: none;
    }

    /* Enhanced My Courses Responsive */
    .section-actions {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }

    .course-stats-overview {
        grid-template-columns: repeat(2, 1fr);
        padding: var(--spacing-lg);
    }

    .courses-grid {
        grid-template-columns: 1fr;
    }

    .course-card-header {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: var(--spacing-md);
    }

    .course-title-section {
        align-items: center;
    }

    .course-tags {
        justify-content: center;
    }

    .meta-row {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }

    .progress-details {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xs);
    }

    .course-actions {
        flex-direction: column;
        width: 100%;
    }

    .btn-continue,
    .btn-start,
    .btn-notify,
    .btn-preview,
    .btn-review {
        width: 100%;
        justify-content: center;
    }

    .course-icon-background {
        width: 60px;
        height: 60px;
    }

    .course-icon {
        font-size: 2rem;
    }

    /* Enhanced Games Responsive */
    .featured-game-header {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: var(--spacing-md);
    }

    .featured-game-progress {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-lg);
    }

    .game-card-header {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: var(--spacing-md);
    }

    .game-title-section {
        align-items: center;
    }

    .game-tags {
        justify-content: center;
    }

    .game-actions {
        flex-direction: column;
        width: 100%;
    }

    .btn-continue,
    .btn-start,
    .btn-notify,
    .btn-preview {
        width: 100%;
        justify-content: center;
    }

    .game-icon-background {
        width: 60px;
        height: 60px;
    }

    .game-icon {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .course-meta {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .progress-milestones {
        justify-content: center;
    }

    .milestone {
        width: 18px;
        height: 18px;
        font-size: 0.5rem;
    }

}

@media (max-width: 480px) {
    .datetime-content {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-md);
    }
    
    .datetime-icon {
        font-size: 2rem;
    }
    
    .current-time {
        font-size: 1.25rem;
        letter-spacing: 1px;
    }
    
    .current-date {
        font-size: 0.9rem;
    }
    
    .subjects-title {
        font-size: 1.5rem;
    }
    
    .subjects-subtitle {
        font-size: 0.9rem;
    }
    
    .subjects-grid {
        grid-template-columns: 1fr;
    }
    
    .subject-card {
        padding: var(--spacing-md);
    }
    
    .subject-icon {
        font-size: 2rem;
    }
    
    .subject-name {
        font-size: 1.125rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .sidebar-nav {
        flex-direction: column;
    }

    .nav-section {
        margin-right: 0;
        margin-bottom: var(--spacing-lg);
    }

    .main-content {
        padding: var(--spacing-md);
    }

    .section-title {
        font-size: 1.5rem;
    }

    .dashboard-header {
        padding: var(--spacing-sm);
    }

    .header-right .user-menu {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .header-actions {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .notification-dropdown {
        width: 320px;
        right: -20px;
    }

    .notification-item {
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .notification-actions {
        flex-direction: row;
        gap: var(--spacing-xs);
    }

    .notification-action-btn {
        font-size: 0.7rem;
        padding: var(--spacing-xs);
    }

    /* Notifications Page Responsive */
    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-lg);
    }

    .page-actions {
        width: 100%;
        justify-content: flex-start;
    }

    .notification-filters {
        flex-wrap: wrap;
        gap: var(--spacing-xs);
    }

    .filter-tab {
        flex: 1;
        min-width: 120px;
        justify-content: center;
    }

    .notification-card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }

    .notification-status {
        width: 100%;
        justify-content: space-between;
    }

    .notification-details {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    .notification-card-actions {
        flex-direction: column;
        width: 100%;
    }

    .notification-card-actions .btn {
        width: 100%;
        justify-content: center;
    }

    /* Scoreboard Responsive */
    .position-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }

    .user-stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .leader-card {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }

    .leader-info {
        width: 100%;
        justify-content: flex-start;
    }

    .leader-score {
        align-self: flex-end;
    }

    .leader-stats {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xs);
    }

    /* Enhanced Profile Responsive */
    .profile-avatar-section {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-lg);
    }

    .profile-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }

    .profile-tabs {
        flex-wrap: wrap;
        gap: var(--spacing-xs);
    }

    .tab-btn {
        flex: 1;
        min-width: 120px;
        text-align: center;
    }

    .achievements-grid {
        grid-template-columns: 1fr;
    }
    
    /* Dashboard Achievements Mobile */
    .content-section#achievements .achievements-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .content-section#achievements .achievement-card {
        min-height: 160px;
        padding: var(--spacing-md);
    }
    
    .content-section#achievements .achievement-icon {
        font-size: 1.75rem;
        margin-bottom: var(--spacing-xs);
    }
    
    .content-section#achievements .achievement-card h3 {
        font-size: 0.9rem;
        margin-bottom: var(--spacing-xs);
    }
    
    .content-section#achievements .achievement-card p {
        font-size: 0.75rem;
        margin-bottom: var(--spacing-xs);
        line-height: 1.4;
    }
    
    .content-section#achievements .achievement-date,
    .content-section#achievements .achievement-progress {
        font-size: 0.7rem;
        padding: var(--spacing-xs);
    }

    .preferences-grid {
        grid-template-columns: 1fr;
    }

    .form-actions {
        flex-direction: column;
    }

    .form-actions .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .nav {
        padding: var(--spacing-md);
    }
    
    .hero {
        padding: var(--spacing-xl) 0;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .achievement-stats {
        grid-template-columns: 1fr;
    }
    
    .methodology-features {
        text-align: center;
    }
    
    .floating-icon {
        font-size: 1.8rem;
    }
    
    .glow {
        filter: blur(60px);
    }
    
    .glow-1, .glow-2, .glow-3, .glow-4, .glow-5 {
        width: 250px;
        height: 250px;
    }
}

/* Responsive styles for new games */
@media (max-width: 768px) {
    /* Stage 6: CSS Shape Artist */
    .shape-artist-game {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .canvas-area {
        min-height: 150px;
    }
    
    .shape-preview {
        width: 80px;
        height: 80px;
    }
    
    .challenge-section {
        order: -1;
    }
    
    .challenge-title {
        font-size: 16px;
    }
    
    .challenge-description {
        font-size: 13px;
    }
    
    .target-shape {
        width: 60px;
        height: 60px;
    }
    
    
    
    /* Stage 7: Responsive Design Challenge */
    .responsive-challenge-game {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .screen-controls {
        flex-direction: column;
        gap: 8px;
    }
    
    .screen-btn {
        width: 100%;
        text-align: center;
    }
    
    .layout-content {
        flex-direction: column;
    }
    
    .layout-sidebar {
        width: 100%;
    }
    
    /* Stage 8: CSS Selector Detective */
    .selector-detective-game {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .scene-content {
        min-height: 150px;
        padding: 15px;
    }
    
    .hint-list {
        flex-direction: column;
        gap: 6px;
    }
    
    .hint {
        text-align: center;
    }
}

@media (max-width: 480px) {
    /* Stage 6: CSS Shape Artist */
    .shape-canvas,
    .shape-controls,
    .challenge-section {
        padding: 15px;
    }
    
    .canvas-area {
        min-height: 120px;
    }
    
    .shape-preview {
        width: 60px;
        height: 60px;
    }
    
    
    
    .challenge-title {
        font-size: 15px;
    }
    
    /* Stage 7: Responsive Design Challenge */
    .screen-preview {
        min-width: 150px;
        min-height: 200px;
        max-width: 400px;
        max-height: 300px;
    }
    
    .resize-handle {
        background: rgba(59, 130, 246, 0.9);
    }
    
    .resize-handle-n,
    .resize-handle-s {
        height: 12px;
    }
    
    .resize-handle-e,
    .resize-handle-w {
        width: 12px;
    }
    
    .resize-handle-ne,
    .resize-handle-nw,
    .resize-handle-se,
    .resize-handle-sw {
        width: 16px;
        height: 16px;
    }
    
    .challenge-description {
        font-size: 12px;
    }
    
    .target-shape {
        width: 50px;
        height: 50px;
    }
    
    .progress-info {
        font-size: 12px;
    }
    
    
    .drop-zone {
        min-height: 60px;
        font-size: 12px;
    }
    
    .animation-preview,
    .animation-controls {
        padding: 15px;
    }
    
    .preview-stage {
        min-height: 120px;
    }
    
    
    /* Stage 7: Responsive Design Challenge */
    .screen-simulator,
    .responsive-controls {
        padding: 15px;
    }
    
    .screen-preview {
        min-height: 150px;
    }
    
    .layout-header,
    .layout-footer,
    .layout-sidebar,
    .layout-main {
        padding: 8px;
        font-size: 12px;
    }
    
    .media-query-editor textarea {
        height: 100px;
        font-size: 11px;
    }
    
    /* Stage 8: CSS Selector Detective */
    .mystery-scene,
    .detective-tools {
        padding: 15px;
    }
    
    .scene-content {
        min-height: 120px;
        padding: 12px;
    }
    
    .mystery-element {
        padding: 12px;
        font-size: 12px;
    }
    
    .selector-input input {
        font-size: 12px;
    }
    
    .hint {
        font-size: 11px;
        padding: 4px 8px;
    }
}

/* ========================================
   PROJECT BUILDER STYLES
   ======================================== */

/* Project Planning Section */
.project-planning {
    background: linear-gradient(135deg, 
        rgba(13, 17, 23, 0.95) 0%, 
        rgba(22, 27, 34, 0.9) 50%, 
        rgba(33, 38, 45, 0.85) 100%);
    border: 1px solid rgba(48, 54, 61, 0.3);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    position: relative;
    overflow: hidden;
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.3),
        0 0 0 1px rgba(97, 218, 251, 0.1);
    backdrop-filter: blur(10px);
}

.project-planning::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(97, 218, 251, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(147, 51, 234, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.project-planning h4 {
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    position: relative;
    z-index: 1;
}

.planning-area {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    position: relative;
    z-index: 1;
}

/* Project Type Selector */
.project-type-selector {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.project-type-selector label {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.9rem;
}

.project-type-selector select {
    background: rgba(13, 17, 23, 0.8);
    border: 1px solid rgba(48, 54, 61, 0.5);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    color: var(--text-primary);
    font-size: 0.9rem;
    transition: all var(--transition-normal);
    backdrop-filter: blur(5px);
}

.project-type-selector select:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(97, 218, 251, 0.2);
}

.project-type-selector select:hover {
    border-color: rgba(97, 218, 251, 0.3);
}

/* Project Preview */
.project-preview {
    background: rgba(13, 17, 23, 0.6);
    border: 1px solid rgba(48, 54, 61, 0.3);
    border-radius: var(--radius-md);
    overflow: hidden;
    backdrop-filter: blur(5px);
}

.preview-header {
    background: linear-gradient(90deg, 
        rgba(97, 218, 251, 0.1) 0%, 
        rgba(147, 51, 234, 0.1) 100%);
    padding: var(--spacing-md);
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.9rem;
    border-bottom: 1px solid rgba(48, 54, 61, 0.3);
}

.preview-content {
    padding: var(--spacing-lg);
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-style: italic;
}

/* Component Builder */
.component-builder {
    background: linear-gradient(135deg, 
        rgba(13, 17, 23, 0.95) 0%, 
        rgba(22, 27, 34, 0.9) 50%, 
        rgba(33, 38, 45, 0.85) 100%);
    border: 1px solid rgba(48, 54, 61, 0.3);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    position: relative;
    overflow: hidden;
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.3),
        0 0 0 1px rgba(97, 218, 251, 0.1);
    backdrop-filter: blur(10px);
}

.component-builder::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(97, 218, 251, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(147, 51, 234, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.component-builder h4 {
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    position: relative;
    z-index: 1;
}

.builder-area {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    position: relative;
    z-index: 1;
}

/* Available Components */
.available-components h5 {
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: var(--spacing-md);
    font-size: 0.9rem;
}

.components-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--spacing-md);
}

.component-item {
    background: rgba(13, 17, 23, 0.6);
    border: 1px solid rgba(48, 54, 61, 0.3);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    cursor: grab;
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    backdrop-filter: blur(5px);
}

.component-item:hover {
    border-color: var(--accent-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(97, 218, 251, 0.2);
}

.component-item:active {
    cursor: grabbing;
    transform: scale(0.95);
}

.component-icon {
    font-size: 1.5rem;
}

.component-name {
    color: var(--text-primary);
    font-size: 0.8rem;
    font-weight: 500;
    text-align: center;
}

/* Website Builder */
.website-builder h5 {
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: var(--spacing-md);
    font-size: 0.9rem;
}

.builder-canvas {
    background: rgba(13, 17, 23, 0.4);
    border: 2px dashed rgba(48, 54, 61, 0.5);
    border-radius: var(--radius-md);
    min-height: 300px;
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.drop-zone {
    background: rgba(13, 17, 23, 0.3);
    border: 1px solid rgba(48, 54, 61, 0.2);
    border-radius: var(--radius-sm);
    min-height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 0.8rem;
    transition: all var(--transition-normal);
    position: relative;
}

.drop-zone.drag-over {
    border-color: var(--accent-primary);
    background: rgba(97, 218, 251, 0.1);
    color: var(--accent-primary);
}

.drop-zone.has-component {
    background: rgba(97, 218, 251, 0.1);
    border-color: var(--accent-primary);
    color: var(--text-primary);
}

/* Code Generator */
.code-generator {
    background: linear-gradient(135deg, 
        rgba(13, 17, 23, 0.95) 0%, 
        rgba(22, 27, 34, 0.9) 50%, 
        rgba(33, 38, 45, 0.85) 100%);
    border: 1px solid rgba(48, 54, 61, 0.3);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    position: relative;
    overflow: hidden;
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.3),
        0 0 0 1px rgba(97, 218, 251, 0.1);
    backdrop-filter: blur(10px);
}

.code-generator::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(97, 218, 251, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(147, 51, 234, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.code-generator h4 {
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    position: relative;
    z-index: 1;
}

.code-tabs {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    position: relative;
    z-index: 1;
}

.tab-btn {
    background: rgba(13, 17, 23, 0.6);
    border: 1px solid rgba(48, 54, 61, 0.3);
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-muted);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    backdrop-filter: blur(5px);
}

.tab-btn.active {
    background: rgba(97, 218, 251, 0.1);
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.tab-btn:hover {
    border-color: rgba(97, 218, 251, 0.3);
    color: var(--text-primary);
}

.code-content {
    background: rgba(13, 17, 23, 0.8);
    border: 1px solid rgba(48, 54, 61, 0.3);
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
    z-index: 1;
}

.code-tab {
    display: none;
}

.code-tab.active {
    display: block;
}

.code-tab pre {
    margin: 0;
    padding: var(--spacing-lg);
    background: transparent;
    color: var(--text-primary);
    font-family: 'Fira Code', 'Monaco', 'Consolas', monospace;
    font-size: 0.85rem;
    line-height: 1.5;
    overflow-x: auto;
}

.code-tab code {
    background: transparent;
    color: inherit;
    font-family: inherit;
}

/* Game Controls */
.game-controls {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

/* Responsive Design for Project Builder */
@media (max-width: 768px) {
    .planning-area,
    .builder-area {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .components-grid {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    }
    
    .game-controls {
        flex-direction: column;
        align-items: center;
    }
    
    .game-controls .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .code-tabs {
        flex-wrap: wrap;
    }
    
    .tab-btn {
        flex: 1;
        min-width: 80px;
    }
}

/* ========================================
   JAVASCRIPT EVENT HANDLER STYLES
   ======================================== */

/* JavaScript Event Game */
.javascript-event-game {
    background: linear-gradient(135deg, 
        rgba(13, 17, 23, 0.95) 0%, 
        rgba(22, 27, 34, 0.9) 50%, 
        rgba(33, 38, 45, 0.85) 100%);
    border: 1px solid rgba(48, 54, 61, 0.3);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    position: relative;
    overflow: hidden;
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.3),
        0 0 0 1px rgba(97, 218, 251, 0.1);
    backdrop-filter: blur(10px);
}

.javascript-event-game::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(97, 218, 251, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(147, 51, 234, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

/* Interactive Demo Section */
.interactive-demo {
    margin-bottom: var(--spacing-xl);
    position: relative;
    z-index: 1;
}

.interactive-demo h4 {
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.demo-area {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.demo-element {
    background: rgba(13, 17, 23, 0.6);
    border: 1px solid rgba(48, 54, 61, 0.3);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    transition: all var(--transition-normal);
    backdrop-filter: blur(5px);
    position: relative;
    overflow: hidden;
}

.demo-element::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(97, 218, 251, 0.05) 0%, 
        rgba(147, 51, 234, 0.05) 100%);
    pointer-events: none;
}

.demo-element:hover {
    border-color: var(--accent-primary);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(97, 218, 251, 0.2);
}

.demo-element h5 {
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    position: relative;
    z-index: 1;
}

.demo-element p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-md);
    position: relative;
    z-index: 1;
}

/* Click Counter Demo */
#click-counter {
    background: linear-gradient(135deg, 
        rgba(34, 197, 94, 0.1) 0%, 
        rgba(16, 185, 129, 0.05) 100%);
}

#click-counter::before {
    background: linear-gradient(135deg, 
        rgba(34, 197, 94, 0.1) 0%, 
        rgba(16, 185, 129, 0.05) 100%);
}

#click-count {
    color: var(--accent-success);
    font-weight: 700;
    font-size: 1.2rem;
}

/* Color Changer Demo */
#color-changer {
    background: linear-gradient(135deg, 
        rgba(168, 85, 247, 0.1) 0%, 
        rgba(147, 51, 234, 0.05) 100%);
}

#color-changer::before {
    background: linear-gradient(135deg, 
        rgba(168, 85, 247, 0.1) 0%, 
        rgba(147, 51, 234, 0.05) 100%);
}

.color-box {
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, 
        var(--accent-primary) 0%, 
        var(--accent-secondary) 100%);
    border: 2px solid var(--border-primary);
    border-radius: var(--radius-lg);
    margin: 0 auto var(--spacing-md) auto;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 0.9rem;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    z-index: 1;
    box-shadow: 0 4px 15px rgba(97, 218, 251, 0.3);
}

.color-box:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(97, 218, 251, 0.4);
}

.color-box:active {
    transform: scale(0.95);
}

/* Text Updater Demo */
#text-updater {
    background: linear-gradient(135deg, 
        rgba(251, 191, 36, 0.1) 0%, 
        rgba(245, 158, 11, 0.05) 100%);
}

#text-updater::before {
    background: linear-gradient(135deg, 
        rgba(251, 191, 36, 0.1) 0%, 
        rgba(245, 158, 11, 0.05) 100%);
}

#dynamic-text {
    color: var(--text-primary);
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(13, 17, 23, 0.4);
    border-radius: var(--radius-md);
    border: 1px solid rgba(48, 54, 61, 0.2);
    position: relative;
    z-index: 1;
    transition: all var(--transition-normal);
}

#dynamic-text:hover {
    border-color: rgba(251, 191, 36, 0.3);
    background: rgba(251, 191, 36, 0.05);
}

/* JavaScript Challenges Section */
.javascript-challenges {
    margin-bottom: var(--spacing-xl);
    position: relative;
    z-index: 1;
}

.javascript-challenges h4 {
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.challenge-area {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.challenge-item {
    background: rgba(13, 17, 23, 0.6);
    border: 1px solid rgba(48, 54, 61, 0.3);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    backdrop-filter: blur(5px);
    position: relative;
    overflow: hidden;
}

.challenge-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(97, 218, 251, 0.05) 0%, 
        rgba(147, 51, 234, 0.05) 100%);
    pointer-events: none;
}

.challenge-item h5 {
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    position: relative;
    z-index: 1;
}

.challenge-item p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-lg);
    position: relative;
    z-index: 1;
}

.challenge-demo {
    background: rgba(13, 17, 23, 0.4);
    border: 1px solid rgba(48, 54, 61, 0.2);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 1;
}

.demo-box {
    background: linear-gradient(135deg, 
        var(--accent-primary) 0%, 
        var(--accent-secondary) 100%);
    color: white;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: all var(--transition-normal);
    box-shadow: 0 4px 15px rgba(97, 218, 251, 0.3);
}

.demo-box.hidden {
    opacity: 0;
    transform: scale(0.8);
    pointer-events: none;
}

.demo-box.visible {
    opacity: 1;
    transform: scale(1);
}

/* Code Input Styling */
.code-input {
    margin-bottom: var(--spacing-lg);
    position: relative;
    z-index: 1;
}

.code-input label {
    display: block;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.9rem;
    margin-bottom: var(--spacing-sm);
}

.code-input textarea {
    width: 100%;
    min-height: 150px;
    background: rgba(13, 17, 23, 0.8);
    border: 1px solid rgba(48, 54, 61, 0.3);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    color: var(--text-primary);
    font-family: 'Fira Code', 'Monaco', 'Consolas', monospace;
    font-size: 0.85rem;
    line-height: 1.5;
    resize: vertical;
    transition: all var(--transition-normal);
    backdrop-filter: blur(5px);
}

.code-input textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(97, 218, 251, 0.2);
}

.code-input textarea::placeholder {
    color: var(--text-muted);
    font-style: italic;
}

/* Game Controls */
.javascript-event-game .game-controls {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

/* Responsive Design for JavaScript Event Handler */
@media (max-width: 768px) {
    .demo-area {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .demo-element {
        padding: var(--spacing-md);
    }
    
    .color-box {
        width: 100px;
        height: 100px;
        font-size: 0.8rem;
    }
    
    .challenge-demo {
        flex-direction: column;
        align-items: center;
    }
    
    .javascript-event-game .game-controls {
        flex-direction: column;
        align-items: center;
    }
    
    .javascript-event-game .game-controls .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .code-input textarea {
        min-height: 120px;
        font-size: 0.8rem;
    }
}