/* 🌙 SLEEK DARK MODE - Electronic Device Dashboard */
:root {
    /* Dark Mode Color Palette - Futuristic Tech Vibe */
    --bg-primary: #0a0a0f;        /* Deep black background */
    --bg-secondary: #12121a;      /* Card background */
    --bg-tertiary: #1a1a24;       /* Elevated elements */
    
    --neon-cyan: #00f5ff;         /* Electric cyan */
    --neon-purple: #b400ff;       /* Electric purple */
    --neon-pink: #ff00ff;         /* Neon pink */
    --neon-blue: #0080ff;         /* Electric blue */
    
    --text-primary: #ffffff;      /* Pure white for main text */
    --text-secondary: #a0a0b0;    /* Muted text */
    --text-dim: #606070;          /* Dimmed text */
    
    --glow-cyan: 0 0 20px rgba(0, 245, 255, 0.5);
    --glow-purple: 0 0 20px rgba(180, 0, 255, 0.5);
    --glow-pink: 0 0 20px rgba(255, 0, 255, 0.5);
    
    --gradient-neon: linear-gradient(135deg, var(--neon-cyan) 0%, var(--neon-purple) 100%);
    --gradient-glass: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);
    
    --shadow-elevated: 0 8px 32px rgba(0, 245, 255, 0.1), 0 4px 16px rgba(180, 0, 255, 0.1);
    --shadow-floating: 0 20px 60px rgba(0, 0, 0, 0.8), 0 0 40px rgba(0, 245, 255, 0.15);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    overflow-x: hidden;
    position: relative;
}

/* Animated background gradient */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(0, 245, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(180, 0, 255, 0.05) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
    animation: bgPulse 10s ease-in-out infinite;
}

@keyframes bgPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}
@keyframes bgPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* 🎯 Sleek Header - Floating Glass Effect */
header {
    background: rgba(18, 18, 26, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 2rem 2rem;
    text-align: center;
    position: relative;
    z-index: 10;
    border-bottom: 1px solid rgba(0, 245, 255, 0.1);
    box-shadow: var(--shadow-elevated);
    animation: slideDown 0.6s ease-out;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-neon);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
    text-shadow: var(--glow-cyan);
    letter-spacing: 2px;
    animation: titleGlow 3s ease-in-out infinite;
}

@keyframes titleGlow {
    0%, 100% {
        filter: brightness(1);
    }
    50% {
        filter: brightness(1.3);
    }
}

header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    font-weight: 300;
    letter-spacing: 1px;
    text-transform: uppercase;
}
header {
    background: var(--gradient-primary);
    color: white;
    padding: 3rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="%23ffffff" opacity="0.05"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

header h1 {
    margin-bottom: 1rem;
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: -0.025em;
    position: relative;
    z-index: 10;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

header p {
    font-size: 1.25rem;
    opacity: 0.95;
    position: relative;
    z-index: 10;
    max-width: 600px;
    margin: 0 auto;
    font-weight: 300;
}

/* 🎨 Navigation - Floating Pills */
nav {
    background: rgba(26, 26, 36, 0.6);
    backdrop-filter: blur(15px);
    padding: 1rem;
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid rgba(0, 245, 255, 0.1);
    animation: slideDown 0.8s ease-out 0.2s both;
}

nav ul {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.8rem;
    list-style: none;
    padding: 0.5rem;
    max-width: 1400px;
    margin: 0 auto;
}

nav li {
    margin: 0;
}

nav a {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(0, 245, 255, 0.2);
    border-radius: 25px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

nav a::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: radial-gradient(circle, var(--neon-cyan) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    transition: width 0.5s, height 0.5s;
    border-radius: 50%;
    opacity: 0;
    z-index: 0;
}

nav a:hover::before {
    width: 300px;
    height: 300px;
    opacity: 0.2;
}

nav a:hover,
nav a.active {
    color: var(--neon-cyan);
    background: rgba(0, 245, 255, 0.1);
    border-color: var(--neon-cyan);
    box-shadow: 0 0 20px rgba(0, 245, 255, 0.3);
    transform: translateY(-2px);
}

nav a.active {
    color: var(--text-primary);
    background: var(--gradient-neon);
    border-color: transparent;
    box-shadow: var(--glow-cyan);
}

/* Main Content */
main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* Section Styles */
section {
    background: white;
    margin-bottom: 2rem;
    padding: 2.5rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--neutral-100);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
    transform-origin: left;
}

section:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

section:hover::before {
    transform: scaleX(1);
}

section h2 {
    color: var(--neutral-800);
    margin-bottom: 1.5rem;
    font-size: 2rem;
    font-weight: 700;
    position: relative;
    padding-bottom: 0.75rem;
}

section h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: var(--gradient-secondary);
    border-radius: 2px;
}

/* Card Grid Layouts */
.subject-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.subject-card {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid var(--neutral-200);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.subject-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

.subject-card:nth-child(2)::before {
    background: var(--gradient-secondary);
}

.subject-card:nth-child(3)::before {
    background: var(--gradient-accent);
}

.subject-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.subject-card h3 {
    color: var(--primary);
    margin-bottom: 1rem;
    font-size: 1.5rem;
    font-weight: 600;
}

.subject-card:nth-child(2) h3 {
    color: var(--secondary);
}

.subject-card:nth-child(3) h3 {
    color: var(--accent);
}

.subject-card p {
    color: var(--neutral-600);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

/* Button Styles */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    background: var(--gradient-primary);
    color: white;
    text-decoration: none;
    border-radius: 0.75rem;
    border: none;
    cursor: pointer;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.6s;
}

.btn:hover::before {
    left: 100%;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--gradient-secondary);
}

.btn-accent {
    background: var(--gradient-accent);
}

/* Modern Form Styles */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.75rem;
    font-weight: 600;
    color: var(--neutral-700);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--neutral-200);
    border-radius: 0.75rem;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: var(--neutral-50);
    color: var(--neutral-800);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    background: white;
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
    transform: translateY(-1px);
}

.data-section {
    margin-top: 2rem;
}

.nap-session {
    background: #f9f9f9;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid #667eea;
}

.baseline-session {
    background: #fff9e6;
    border-left-color: #ffa500;
}

.nap-session h3 {
    color: #667eea;
    margin-bottom: 1rem;
}

.baseline-session h3 {
    color: #ffa500;
}

.data-display {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

.data-item {
    background: white;
    padding: 1rem;
    border-radius: 5px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.data-item strong {
    display: block;
    color: #667eea;
    margin-bottom: 0.5rem;
}

.loading {
    text-align: center;
    padding: 2rem;
    color: #667eea;
    font-size: 1.2rem;
}

.error {
    background-color: #fee;
    color: #c33;
    padding: 1rem;
    border-radius: 5px;
    margin: 1rem 0;
}

.success {
    background-color: #efe;
    color: #3c3;
    padding: 1rem;
    border-radius: 5px;
    margin: 1rem 0;
}

.analysis-section {
    background: linear-gradient(135deg, #e0f7fa 0%, #b2ebf2 100%);
    padding: 1.5rem;
    border-radius: 8px;
    margin-top: 1rem;
}

.analysis-section h4 {
    color: #00796b;
    margin-bottom: 0.75rem;
}

.conclusion {
    background: white;
    padding: 1rem;
    border-radius: 5px;
    margin-top: 0.5rem;
}

footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 1rem 0;
    margin-top: 2rem;
}

.chart-container {
    margin: 1.5rem 0;
    padding: 1rem;
    background: white;
    border-radius: 5px;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

th, td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

th {
    background-color: #667eea;
    color: white;
    font-weight: bold;
}

tr:hover {
    background-color: #f5f5f5;
}

.tabs {
    display: flex;
    border-bottom: 2px solid #667eea;
    margin-bottom: 1rem;
}

.tab {
    padding: 0.75rem 1.5rem;
    cursor: pointer;
    background: #f5f5f5;
    border: none;
    transition: background-color 0.3s;
}

.tab.active {
    background-color: #667eea;
    color: white;
}

.tab-content {
    display: none;
}

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

/* Configuration Info Styles */
.config-info {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid #e9ecef;
    margin-top: 1rem;
}

.info-item {
    margin-bottom: 1rem;
}

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

.info-item strong {
    color: #495057;
    display: block;
    margin-bottom: 0.5rem;
}

.info-item ul {
    list-style-type: none;
    padding-left: 1rem;
    margin-top: 0.5rem;
}

.info-item ul li {
    padding: 0.25rem 0;
    color: #6c757d;
}

.info-item ul li::before {
    content: "📊 ";
    margin-right: 0.5rem;
}

.status-ready {
    color: #28a745;
    font-weight: bold;
}

/* Project Section Cards */
.project-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.project-card {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    border: 1px solid var(--neutral-200);
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

.project-card.presentation::before {
    background: var(--gradient-secondary);
}

.project-card.analysis::before {
    background: var(--gradient-accent);
}

.project-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
}

.project-card h3 {
    color: var(--neutral-800);
    margin-bottom: 1rem;
    font-size: 1.5rem;
    font-weight: 600;
}

.project-card p {
    color: var(--neutral-600);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

/* Enhanced Data Displays */
.data-display {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin: 1.5rem 0;
}

.data-item {
    background: var(--neutral-50);
    padding: 1.5rem;
    border-radius: 0.75rem;
    border: 1px solid var(--neutral-200);
    transition: all 0.3s ease;
}

.data-item:hover {
    background: white;
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.data-item strong {
    color: var(--primary);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.data-item span {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--neutral-800);
    margin-top: 0.5rem;
}

/* Enhanced Project Overview */
.project-overview {
    margin-top: 2rem;
}

.overview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.overview-item {
    background: var(--neutral-50);
    padding: 1.5rem;
    border-radius: 0.75rem;
    border: 1px solid var(--neutral-200);
    transition: all 0.3s ease;
}

.overview-item:hover {
    background: white;
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.overview-item h3 {
    color: var(--primary);
    margin-bottom: 0.75rem;
    font-size: 1.125rem;
    font-weight: 600;
}

.overview-item p {
    color: var(--neutral-600);
    line-height: 1.6;
}

/* Technical Overview */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.tech-item {
    background: var(--neutral-50);
    padding: 2rem;
    border-radius: 1rem;
    border: 1px solid var(--neutral-200);
    transition: all 0.3s ease;
}

.tech-item:hover {
    background: white;
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.tech-item h4 {
    color: var(--secondary);
    margin-bottom: 1rem;
    font-size: 1.25rem;
    font-weight: 600;
}

.tech-item ul {
    list-style: none;
    padding: 0;
}

.tech-item ul li {
    padding: 0.5rem 0;
    color: var(--neutral-700);
    position: relative;
    padding-left: 1.5rem;
}

.tech-item ul li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--secondary);
    font-weight: bold;
}

/* Card Actions */
.card-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}

.card-actions .btn {
    flex: 1;
    min-width: 120px;
    text-align: center;
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
}

.status-ready {
    background: rgba(16, 185, 129, 0.1);
    color: var(--secondary-dark);
}

.status-loading {
    background: rgba(245, 158, 11, 0.1);
    color: var(--accent);
}

.status-error {
    background: rgba(239, 68, 68, 0.1);
    color: #dc2626;
}

/* Loading and Error States */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    color: var(--neutral-600);
    font-style: italic;
}

.loading::before {
    content: '⏳';
    margin-right: 0.5rem;
    animation: spin 2s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.error {
    background: rgba(239, 68, 68, 0.1);
    color: #dc2626;
    padding: 1rem;
    border-radius: 0.5rem;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* Footer */
footer {
    background: var(--neutral-800);
    color: white;
    padding: 3rem 2rem 2rem;
    margin-top: 4rem;
    text-align: center;
}

footer p {
    opacity: 0.8;
}

/* Status Indicators */
.status-indicator {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-ready {
    background: rgba(16, 185, 129, 0.1);
    color: var(--secondary-dark);
}

.status-loading {
    background: rgba(245, 158, 11, 0.1);
    color: var(--accent);
}

.status-error {
    background: rgba(239, 68, 68, 0.1);
    color: #dc2626;
}

/* Presentation Page Styles */
.presentation-meta {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
    padding: 2rem;
    background: var(--neutral-50);
    border-radius: 1rem;
    border: 1px solid var(--neutral-200);
}

.meta-item {
    text-align: center;
}

.meta-item strong {
    display: block;
    color: var(--primary);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.5rem;
}

.meta-item span {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--neutral-800);
}

/* Objectives Grid */
.objectives-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.objective-item {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    border: 1px solid var(--neutral-200);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.objective-item.completed {
    border-left: 4px solid var(--secondary);
}

.objective-item.in-progress {
    border-left: 4px solid var(--accent);
}

.objective-item.planned {
    border-left: 4px solid var(--neutral-400);
}

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

.objective-item h3 {
    color: var(--neutral-800);
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.progress-bar {
    background: var(--neutral-200);
    height: 8px;
    border-radius: 4px;
    margin-top: 1rem;
    overflow: hidden;
}

.progress-fill {
    background: var(--gradient-primary);
    height: 100%;
    border-radius: 4px;
    transition: width 0.3s ease;
}

.objective-item.completed .progress-fill {
    background: var(--gradient-secondary);
}

.objective-item.in-progress .progress-fill {
    background: var(--gradient-accent);
}

/* Achievement Cards */
.achievement-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.achievement-card {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    border: 1px solid var(--neutral-200);
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.achievement-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.achievement-card h3 {
    color: var(--primary);
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
    font-weight: 600;
}

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

.achievement-card ul li {
    padding: 0.5rem 0;
    color: var(--neutral-700);
    position: relative;
    padding-left: 1.5rem;
}

.achievement-card ul li::before {
    content: '•';
    position: absolute;
    left: 0;
}

/* Outcomes and Metrics */
.outcomes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.outcome-card {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    border: 1px solid var(--neutral-200);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all 0.3s ease;
}

.outcome-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.outcome-card h3 {
    color: var(--neutral-800);
    margin-bottom: 2rem;
    font-size: 1.25rem;
    font-weight: 600;
}

.metric {
    margin-bottom: 1.5rem;
}

.metric-value {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
}

.metric-label {
    display: block;
    font-size: 0.875rem;
    color: var(--neutral-600);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 0.5rem;
}

/* Real-time Biometric Display */
.realtime-data {
    background: linear-gradient(135deg, var(--neutral-50) 0%, var(--neutral-100) 100%);
    border: 2px solid var(--primary-light);
    border-radius: 1rem;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-lg);
    animation: slideIn 0.6s ease-out;
}

.realtime-data h3 {
    color: var(--primary);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    text-align: center;
    font-weight: 600;
}

.biometric-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.biometric-item {
    background: white;
    padding: 1.5rem;
    border-radius: 0.75rem;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border-left: 4px solid var(--secondary);
}

.biometric-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.biometric-item .label {
    display: block;
    font-size: 0.875rem;
    color: var(--neutral-600);
    font-weight: 600;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.biometric-item .value {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 0.25rem;
    line-height: 1;
}

.biometric-item .unit {
    font-size: 0.75rem;
    color: var(--neutral-500);
    font-weight: 500;
}

.last-update {
    text-align: center;
    font-size: 0.875rem;
    color: var(--neutral-600);
    padding: 1rem;
    background: var(--neutral-100);
    border-radius: 0.5rem;
    border: 1px solid var(--neutral-200);
}

/* Data Charts Visualization */
.data-charts {
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    margin: 2rem 0;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--neutral-200);
}

.data-charts h3 {
    color: var(--neutral-800);
    margin-bottom: 2rem;
    font-size: 1.5rem;
    text-align: center;
    font-weight: 600;
}

.data-status {
    text-align: center;
    margin-bottom: 1.5rem;
    padding: 1rem;
    border-radius: 0.5rem;
    background: var(--neutral-100);
    border: 1px solid var(--neutral-200);
}

.data-status p {
    margin: 0;
    font-weight: 600;
    font-size: 0.875rem;
}

.charts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 1.5rem;
}

.chart-container {
    background: var(--neutral-50);
    border-radius: 0.75rem;
    padding: 1.5rem;
    border: 1px solid var(--neutral-200);
    transition: all 0.3s ease;
}

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

.chart-container h4 {
    color: var(--neutral-700);
    margin-bottom: 1rem;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
}

.chart-container canvas {
    width: 100%;
    height: auto;
    border-radius: 0.5rem;
    background: white;
    box-shadow: var(--shadow-sm);
}

/* Loading and Status States */
.data-loading .biometric-item .value {
    background: linear-gradient(90deg, var(--neutral-200) 25%, var(--neutral-300) 50%, var(--neutral-200) 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
    color: transparent;
    border-radius: 0.25rem;
    min-height: 2rem;
}

.success {
    color: var(--secondary-dark);
    background: var(--secondary-light);
    padding: 0.75rem;
    border-radius: 0.5rem;
    margin-top: 1rem;
    font-weight: 600;
}

.error {
    color: #dc2626;
    background: #fef2f2;
    padding: 1rem;
    border-radius: 0.5rem;
    border: 1px solid #fecaca;
    margin: 1rem 0;
}

.warning {
    color: var(--accent);
    background: #fffbeb;
    padding: 1rem;
    border-radius: 0.5rem;
    border: 1px solid #fed7aa;
    margin: 1rem 0;
}

/* Animation keyframes */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Connection Status Indicator */
#connectionStatus {
    animation: fadeIn 0.3s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

/* Responsive Design */
@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }
    
    nav ul {
        flex-direction: column;
    }
    
    nav a {
        text-align: center;
        margin: 0.25rem 0;
    }
    
    .subject-cards,
    .project-cards,
    .objectives-grid,
    .achievement-cards,
    .outcomes-grid {
        grid-template-columns: 1fr;
    }
    
    section {
        padding: 1.5rem;
    }
    
    main {
        padding: 1rem;
    }
    
    .card-actions {
        flex-direction: column;
    }
    
    .card-actions .btn {
        margin-bottom: 0.5rem;
    }
}

/* Live Data Feed Styles */
.live-data-section {
    background: white;
    padding: 2rem;
    margin-bottom: 2rem;
    border-radius: 0.5rem;
    box-shadow: var(--shadow-md);
}

.data-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.data-card {
    background: var(--neutral-50);
    padding: 1.5rem;
    border-radius: 0.5rem;
    border: 1px solid var(--neutral-200);
    transition: all 0.3s ease;
}

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

.data-card h4 {
    font-size: 0.875rem;
    color: var(--neutral-600);
    margin-bottom: 0.5rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.data-value {
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary);
    margin: 0;
}

.data-card p {
    font-size: 1rem;
    color: var(--neutral-800);
}

.status-warning {
    color: var(--accent) !important;
    font-weight: bold;
}

/* Visualization Styles - Text above, Graph below */
.metric-viz-pair {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    margin: 2rem 0;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.metric-viz-pair:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.metric-viz-pair h3 {
    color: var(--primary-dark);
    margin-bottom: 0.5rem;
    font-size: 1.5rem;
    font-weight: 600;
}

.metric-viz-pair h4 {
    color: var(--primary);
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
    font-weight: 600;
}

.metric-description {
    color: var(--neutral-600);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.viz-image {
    width: 100%;
    height: auto;
    border-radius: 8px;
    border: 1px solid var(--neutral-200);
    box-shadow: var(--shadow-sm);
}

.session-fft-group {
    margin: 3rem 0;
    padding: 2rem;
    background: var(--neutral-50);
    border-radius: 12px;
    border-left: 4px solid var(--primary);
}

.session-fft-group > h3 {
    color: var(--primary-dark);
    font-size: 1.8rem;
    margin-bottom: 2rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--neutral-200);
}

#sessionMetricsContainer {
    margin: 2rem 0;
}

.session-metrics-card {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    margin: 2rem 0;
    box-shadow: var(--shadow-md);
}

.session-metrics-card h3 {
    color: var(--primary-dark);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.metric-item {
    padding: 1rem;
    background: var(--neutral-50);
    border-radius: 8px;
    border-left: 3px solid var(--primary);
}

.metric-item strong {
    display: block;
    color: var(--neutral-700);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.metric-item .value {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-dark);
}

/* Old visualization grid - keep for compatibility */
.visualization-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.viz-item {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.viz-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.viz-item h4 {
    color: var(--primary-dark);
    margin-bottom: 1rem;
    font-size: 1.1rem;
    font-weight: 600;
}

#sessionMetrics {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--shadow-md);
    margin: 1.5rem 0;
}

@media (max-width: 768px) {
    .data-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 1rem;
    }
    
    .data-value {
        font-size: 1.5rem;
    }
    
    .visualization-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .metrics-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 1rem;
    }
    
    .metric-viz-pair {
        padding: 1.5rem;
    }
    
    .session-fft-group {
        padding: 1.5rem;
    }
}

/* ============================================
   ENHANCED DYNAMIC & SLEEK ADDITIONS
   ============================================ */

/* Smooth Page Load Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 0 5px rgba(99, 102, 241, 0.5);
    }
    50% {
        box-shadow: 0 0 20px rgba(99, 102, 241, 0.8);
    }
}

/* Enhanced Card Hover with Scale */
.subject-card:hover, .project-card:hover, .stat-card:hover {
    transform: translateY(-10px) scale(1.03);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* Gradient Text Effect */
.gradient-text {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

h2, h3 {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Shimmer Loading Effect */
@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

.loading {
    background: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0.1) 0px,
        rgba(255, 255, 255, 0.3) 40px,
        rgba(255, 255, 255, 0.1) 80px
    );
    background-size: 1000px 100%;
    animation: shimmer 2s infinite;
}

/* Enhanced Button Ripple Effect */
.btn, button {
    position: relative;
    overflow: hidden;
}

.btn::after, button::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:active::after, button:active::after {
    width: 300px;
    height: 300px;
}

/* Glass-morphism Effect */
.glass-effect {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.15);
}

/* Floating Animation */
@keyframes float-smooth {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-15px);
    }
}

.float-animation {
    animation: float-smooth 4s ease-in-out infinite;
}

/* Data Value Counter Animation */
@keyframes countUp {
    from {
        opacity: 0;
        transform: scale(0.5);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.stat-value, .data-value {
    animation: countUp 0.5s ease-out;
    display: inline-block;
}

/* Stagger Animation for Cards */
.subject-card:nth-child(1) { animation: fadeInUp 0.6s ease-out 0.1s both; }
.subject-card:nth-child(2) { animation: fadeInUp 0.6s ease-out 0.2s both; }
.subject-card:nth-child(3) { animation: fadeInUp 0.6s ease-out 0.3s both; }
.subject-card:nth-child(4) { animation: fadeInUp 0.6s ease-out 0.4s both; }

/* Glow Effect on Active Elements */
.active-glow {
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.5),
                0 0 40px rgba(99, 102, 241, 0.3);
    animation: pulse-glow 2s ease-in-out infinite;
}

/* Smooth Transitions */
* {
    transition: color 0.3s ease, background-color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

/* Parallax Background Effect */
.parallax-bg {
    background-image: radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.05) 0%, transparent 50%),
                      radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.05) 0%, transparent 50%);
    background-attachment: fixed;
}

/* Improved Focus States */
a:focus, button:focus, input:focus {
    outline: 2px solid rgba(99, 102, 241, 0.5);
    outline-offset: 2px;
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

/* Enhanced Metric Cards with Pulse */
.metric-item:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

/* Smooth Page Transitions */
html {
    scroll-behavior: smooth;
}

/* Loading Bar Animation */
@keyframes loadingBar {
    0% { width: 0%; }
    50% { width: 70%; }
    100% { width: 100%; }
}

.progress-bar {
    height: 3px;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
    animation: loadingBar 2s ease-in-out infinite;
}