/* CSS Variables - Theme Colors from MPGA */
:root {
    --bg-primary: #252627;
    --bg-secondary: #1a1b1c;
    --text-primary: #fcecce;
    --text-secondary: #a7754e;
    --accent-primary: #b83c2c;
    --accent-secondary: #c99665;
    --accent-tertiary: #80563e;
    --border-color: rgba(201, 150, 101, 0.2);
    --card-bg: rgba(37, 38, 39, 0.8);
    --font-sans: ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
}

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

body {
    font-family: var(--font-sans);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Space Background Animation */
.space-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    background: linear-gradient(to bottom, #0a0a0a 0%, #1a1b1c 50%, #252627 100%);
}

.stars, .stars2, .stars3 {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    animation: twinkle 3s infinite;
}

.stars {
    background: transparent url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100"><circle cx="10" cy="10" r="1" fill="white" opacity="0.8"/><circle cx="40" cy="30" r="0.5" fill="white" opacity="0.6"/><circle cx="70" cy="20" r="1" fill="white" opacity="0.9"/><circle cx="30" cy="60" r="0.8" fill="white" opacity="0.7"/><circle cx="80" cy="80" r="0.6" fill="white" opacity="0.5"/></svg>') repeat;
    animation-duration: 5s;
}

.stars2 {
    background: transparent url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="120" height="120"><circle cx="15" cy="25" r="0.8" fill="white" opacity="0.5"/><circle cx="60" cy="50" r="0.6" fill="white" opacity="0.7"/><circle cx="90" cy="70" r="1" fill="white" opacity="0.6"/></svg>') repeat;
    animation-duration: 7s;
}

.stars3 {
    background: transparent url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="150" height="150"><circle cx="20" cy="40" r="0.5" fill="white" opacity="0.4"/><circle cx="80" cy="90" r="0.7" fill="white" opacity="0.8"/><circle cx="120" cy="60" r="0.6" fill="white" opacity="0.5"/></svg>') repeat;
    animation-duration: 10s;
}

@keyframes twinkle {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Content Wrapper */
.content-wrapper {
    position: relative;
    z-index: 10;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header */
.header {
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
    background: rgba(37, 38, 39, 0.8);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text-primary);
}

.logo-icon {
    width: 2rem;
    height: 2rem;
    background-color: var(--accent-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.logo-text h3 {
    font-weight: bold;
    font-size: 1.25rem;
    color: var(--text-primary);
    margin: 0;
}

.logo-text p {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin: 0;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--accent-secondary);
}

/* Hero Section */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 4rem 0;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-left {
    text-align: left;
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    background-color: rgba(184, 60, 44, 0.1);
    border: 1px solid rgba(184, 60, 44, 0.2);
    border-radius: 9999px;
    margin-bottom: 1.5rem;
    font-size: 0.875rem;
}

.zap-icon {
    margin-right: 0.5rem;
}

.hero-title {
    font-size: 4rem;
    font-weight: bold;
    background: linear-gradient(to right, var(--text-primary), var(--accent-secondary), var(--accent-primary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.stats {
    display: flex;
    gap: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

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

.stat-number {
    font-size: 2rem;
    font-weight: bold;
    color: var(--accent-secondary);
}

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

.hero-right {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 1rem;
    opacity: 0.9;
}

/* Buttons */
.btn {
    padding: 0.75rem 2rem;
    border-radius: 9999px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border: none;
}

.btn-primary {
    background-color: var(--accent-primary);
    color: var(--text-primary);
}

.btn-primary:hover {
    background-color: #8d372b;
    transform: scale(1.05);
    box-shadow: 0 10px 30px rgba(184, 60, 44, 0.3);
}

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

.btn-outline:hover {
    background-color: var(--accent-secondary);
    color: var(--bg-primary);
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
}

/* Sections */
.about-section, .prediction-section, .datasets-info-section, .contact-section {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
    background: linear-gradient(to right, var(--text-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 2rem;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(201, 150, 101, 0.2);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

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

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

/* Dataset Selection */
.dataset-selector {
    margin-bottom: 3rem;
}

.dataset-selector h3 {
    text-align: center;
    font-size: 1.5rem;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.dataset-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.dataset-card {
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: 1rem;
    padding: 1.5rem;
    cursor: pointer;
    transition: all 0.3s;
}

.dataset-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(201, 150, 101, 0.3);
}

.dataset-card.selected {
    border-color: var(--accent-primary);
    background: rgba(184, 60, 44, 0.1);
}

.dataset-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.dataset-card h4 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin: 0;
}

.dataset-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
}

.dataset-badge.kepler {
    background-color: rgba(184, 60, 44, 0.2);
    color: var(--accent-primary);
}

.dataset-badge.k2 {
    background-color: rgba(128, 86, 62, 0.2);
    color: var(--accent-tertiary);
}

.dataset-badge.tess {
    background-color: rgba(201, 150, 101, 0.2);
    color: var(--accent-secondary);
}

.dataset-card p {
    color: var(--text-secondary);
    margin: 0.5rem 0;
}

.dataset-stat {
    font-weight: bold;
    color: var(--accent-secondary);
    margin: 1rem 0;
}

.dataset-link {
    color: var(--accent-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    display: inline-block;
    margin-top: 0.5rem;
}

.dataset-link:hover {
    text-decoration: underline;
}

/* Upload Section */
.upload-section {
    max-width: 800px;
    margin: 0 auto;
}

.upload-area {
    background: var(--card-bg);
    border: 2px dashed var(--border-color);
    border-radius: 1rem;
    padding: 3rem 2rem;
    text-align: center;
    transition: all 0.3s;
    cursor: pointer;
}

.upload-area:hover, .upload-area.drag-active {
    border-color: var(--accent-secondary);
    background: rgba(201, 150, 101, 0.05);
}

.upload-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.upload-area h3 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.upload-area p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

/* File List */
.file-list {
    margin: 1.5rem 0;
}

.file-item {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.file-name {
    color: var(--text-primary);
    font-weight: 500;
}

.file-remove {
    background: var(--accent-primary);
    color: var(--text-primary);
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: background-color 0.3s;
}

.file-remove:hover {
    background: #8d372b;
}

/* Process Button */
#processButton {
    text-align: center;
    margin: 2rem 0;
}

/* Progress Section */
.progress-section {
    margin: 2rem 0;
}

.progress-bar {
    width: 100%;
    height: 0.5rem;
    background: rgba(201, 150, 101, 0.2);
    border-radius: 9999px;
    overflow: hidden;
    margin-bottom: 1rem;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(to right, var(--accent-primary), var(--accent-secondary));
    transition: width 0.3s;
    width: 0%;
}

#progressText {
    text-align: center;
    color: var(--text-secondary);
}

/* Results Section */
.results-section {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 2rem;
    margin: 2rem 0;
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.results-title {
    font-size: 1.5rem;
    color: var(--text-primary);
}

.results-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.summary-item {
    text-align: center;
    padding: 1rem;
    background: rgba(201, 150, 101, 0.05);
    border-radius: 0.5rem;
}

.summary-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    display: block;
    margin-bottom: 0.5rem;
}

.summary-value {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--accent-secondary);
}

.results-table {
    overflow-x: auto;
}

.results-table table {
    width: 100%;
    border-collapse: collapse;
}

.results-table th {
    background: rgba(201, 150, 101, 0.1);
    padding: 1rem;
    text-align: left;
    color: var(--text-primary);
    font-weight: 600;
}

.results-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.prediction-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 500;
}

.prediction-confirmed {
    background-color: rgba(76, 175, 80, 0.2);
    color: #4CAF50;
}

.prediction-candidate {
    background-color: rgba(255, 193, 7, 0.2);
    color: #FFC107;
}

.prediction-false-positive {
    background-color: rgba(244, 67, 54, 0.2);
    color: #F44336;
}

.probability-bar {
    width: 100%;
    height: 0.5rem;
    background: rgba(201, 150, 101, 0.2);
    border-radius: 9999px;
    overflow: hidden;
    margin-top: 0.25rem;
}

.probability-fill {
    height: 100%;
    background: linear-gradient(to right, var(--accent-primary), var(--accent-secondary));
    transition: width 0.3s;
}

/* Datasets Info Grid */
.datasets-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.dataset-info-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 2rem;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s;
}

.dataset-info-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(201, 150, 101, 0.3);
}

.dataset-info-icon {
    width: 4rem;
    height: 4rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: bold;
    margin-bottom: 1.5rem;
}

.dataset-info-icon.kepler {
    background: rgba(184, 60, 44, 0.2);
    color: var(--accent-primary);
}

.dataset-info-icon.k2 {
    background: rgba(128, 86, 62, 0.2);
    color: var(--accent-tertiary);
}

.dataset-info-icon.tess {
    background: rgba(201, 150, 101, 0.2);
    color: var(--accent-secondary);
}

.dataset-info-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.dataset-info-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.learn-more {
    color: var(--accent-secondary);
    font-weight: 500;
}

/* Contact Section */
.contact-content {
    max-width: 600px;
    margin: 0 auto;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
}

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

.contact-item h4 {
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.contact-item p {
    color: var(--text-secondary);
    margin: 0;
}

/* Footer */
.footer {
    padding: 3rem 0 2rem;
    border-top: 1px solid var(--border-color);
    margin-top: 5rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.125rem;
}

.footer-section a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: var(--accent-secondary);
}

.footer-description {
    color: var(--text-secondary);
    line-height: 1.6;
    max-width: 500px;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

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

/* Dataset Page Styles */
.dataset-page {
    padding: 5rem 0;
}

.dataset-hero {
    text-align: center;
    padding: 4rem 2rem;
    border-radius: 1rem;
    margin-bottom: 3rem;
    border: 1px solid var(--border-color);
}

.dataset-hero.kepler-theme {
    background: linear-gradient(135deg, rgba(184, 60, 44, 0.1), rgba(184, 60, 44, 0.05));
    border-color: rgba(184, 60, 44, 0.3);
}

.dataset-hero.k2-theme {
    background: linear-gradient(135deg, rgba(128, 86, 62, 0.1), rgba(128, 86, 62, 0.05));
    border-color: rgba(128, 86, 62, 0.3);
}

.dataset-hero.tess-theme {
    background: linear-gradient(135deg, rgba(201, 150, 101, 0.1), rgba(201, 150, 101, 0.05));
    border-color: rgba(201, 150, 101, 0.3);
}

.dataset-hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.dataset-tagline {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.dataset-meta {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.meta-item {
    color: var(--accent-secondary);
    font-weight: 500;
}

.dataset-content {
    max-width: 900px;
    margin: 0 auto;
}

.content-section {
    margin-bottom: 3rem;
}

.content-section h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.content-section p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1rem;
}

.content-section ul {
    margin-left: 2rem;
}

.data-requirements {
    list-style: none;
    margin-left: 0;
}

.data-requirements li {
    padding: 0.75rem 0;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
}

.data-requirements li:before {
    content: "✓ ";
    color: var(--accent-secondary);
    font-weight: bold;
    margin-right: 0.5rem;
}

.model-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.model-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 1.5rem;
}

.model-card h3 {
    color: var(--accent-secondary);
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.model-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

.code-example {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 1.5rem;
    margin-top: 1rem;
}

.code-example h4 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1rem;
}

.code-example pre {
    color: var(--accent-secondary);
    font-family: 'Courier New', monospace;
    font-size: 0.875rem;
    overflow-x: auto;
    margin: 0;
}

.discoveries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.discovery-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 1.5rem;
    transition: transform 0.3s;
}

.discovery-card:hover {
    transform: translateY(-5px);
}

.discovery-card h4 {
    color: var(--accent-secondary);
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.discovery-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

.cta-section {
    text-align: center;
    margin-top: 4rem;
    padding: 3rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
}

.cta-section h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

/* Alert Styles */
.alert {
    padding: 1rem 1.5rem;
    border-radius: 0.5rem;
    margin: 1rem 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.alert-error {
    background: rgba(244, 67, 54, 0.1);
    border: 1px solid rgba(244, 67, 54, 0.3);
    color: #F44336;
}

.alert-success {
    background: rgba(76, 175, 80, 0.1);
    border: 1px solid rgba(76, 175, 80, 0.3);
    color: #4CAF50;
}

.alert-info {
    background: rgba(33, 150, 243, 0.1);
    border: 1px solid rgba(33, 150, 243, 0.3);
    color: #2196F3;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .stats {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-links {
        display: none;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .dataset-cards, .datasets-grid, .features-grid {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .dataset-hero h1 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .container {
        padding: 0 1rem;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
}

/* ===============================================
   WORKFLOW PAGE STYLES
   =============================================== */

.workflow-page {
    padding: 6rem 0 4rem;
    position: relative;
    z-index: 1;
}

.page-header {
    text-align: center;
    margin-bottom: 4rem;
    animation: fadeInUp 0.8s ease-out;
    position: relative;
    z-index: 1;
}

.page-title {
    font-size: 3.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--text-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1rem;
}

.page-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

/* Sommaire (Table of Contents) */
.sommaire-section {
    background: var(--card-bg);
    border: 2px solid var(--accent-secondary);
    border-radius: 16px;
    padding: 2.5rem;
    margin-bottom: 4rem;
    backdrop-filter: blur(10px);
    animation: fadeInUp 0.8s ease-out;
    position: relative;
    z-index: 1;
}

.sommaire-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-secondary);
    margin-bottom: 2rem;
    text-align: center;
}

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

.sommaire-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
    background: rgba(201, 150, 101, 0.1);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.3s ease;
    cursor: pointer;
}

.sommaire-link:hover {
    background: rgba(201, 150, 101, 0.2);
    border-color: var(--accent-secondary);
    transform: translateX(10px);
    box-shadow: 0 4px 20px rgba(201, 150, 101, 0.2);
}

.sommaire-icon {
    font-size: 1.75rem;
    flex-shrink: 0;
}

.sommaire-text {
    font-size: 1.1rem;
    font-weight: 600;
}

/* Workflow Sections */
.workflow-section {
    margin-bottom: 5rem;
    animation: fadeInUp 0.8s ease-out;
    position: relative;
    z-index: 1;
    scroll-margin-top: 100px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 3px solid var(--accent-primary);
    display: inline-block;
}

.subsection-title {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--accent-secondary);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Content Cards */
.content-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 2rem;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
}

.content-card:hover {
    border-color: var(--accent-secondary);
    box-shadow: 0 8px 32px rgba(201, 150, 101, 0.15);
    transform: translateY(-2px);
}

/* Diagram Section */
.diagram-section {
    margin-bottom: 4rem;
}

.diagram-container {
    background: var(--card-bg);
    border: 2px solid var(--accent-secondary);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 10px 40px rgba(201, 150, 101, 0.2);
}

.workflow-diagram {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

/* Text Content */
.workflow-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.workflow-text strong {
    color: var(--accent-secondary);
    font-weight: 600;
}

/* Info Blocks */
.feature-info {
    display: grid;
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.info-block {
    background: rgba(201, 150, 101, 0.05);
    border-left: 4px solid var(--accent-secondary);
    padding: 1.5rem;
    border-radius: 8px;
}

.info-block h4 {
    font-size: 1.3rem;
    color: var(--accent-secondary);
    margin-bottom: 0.75rem;
}

.info-block h5 {
    font-size: 1.15rem;
    color: var(--accent-secondary);
    margin-bottom: 0.5rem;
}

.info-block p {
    color: var(--text-primary);
    line-height: 1.7;
}

.highlight-block {
    background: rgba(184, 60, 44, 0.1);
    border-left-color: var(--accent-primary);
}

.warning-block {
    background: rgba(255, 193, 7, 0.1);
    border-left-color: #ffc107;
}

.warning-block h3 {
    color: #ffc107;
}

/* Pipeline Steps */
.pipeline-steps {
    display: grid;
    gap: 1.5rem;
    margin-top: 2rem;
}

.pipeline-step {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    background: rgba(201, 150, 101, 0.05);
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.pipeline-step:hover {
    background: rgba(201, 150, 101, 0.1);
    border-color: var(--accent-secondary);
    transform: translateX(10px);
}

.step-number {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.step-content h4 {
    font-size: 1.2rem;
    color: var(--accent-secondary);
    margin-bottom: 0.5rem;
}

.step-content p {
    color: var(--text-primary);
    line-height: 1.6;
}

/* Code Blocks */
.code-block {
    background: #1a1b1c;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    margin: 1.5rem 0;
    overflow-x: auto;
}

.code-block pre {
    margin: 0;
    font-family: 'Courier New', monospace;
    font-size: 0.95rem;
    line-height: 1.6;
}

.code-block code {
    color: #a7754e;
}

.architecture-block {
    max-height: 500px;
    overflow-y: auto;
}

.architecture-block::-webkit-scrollbar {
    width: 8px;
}

.architecture-block::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: 4px;
}

.architecture-block::-webkit-scrollbar-thumb {
    background: var(--accent-secondary);
    border-radius: 4px;
}

/* Metrics Grid */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.metric-card {
    background: linear-gradient(135deg, rgba(201, 150, 101, 0.1), rgba(184, 60, 44, 0.1));
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
}

.metric-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(201, 150, 101, 0.2);
    border-color: var(--accent-secondary);
}

.metric-value {
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent-secondary), var(--text-primary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

.metric-label {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.highlight-metric {
    background: linear-gradient(135deg, rgba(184, 60, 44, 0.2), rgba(201, 150, 101, 0.2));
    border: 2px solid var(--accent-primary);
}

.highlight-metric .metric-value {
    font-size: 3rem;
}

/* Visualizations */
.visualizations-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
}

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

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

.viz-item.centered {
    grid-column: 1 / -1;
    max-width: 600px;
    margin: 0 auto;
}

.viz-item img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
}

.viz-item img:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 32px rgba(201, 150, 101, 0.3);
}

.viz-caption {
    margin-top: 1rem;
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-style: italic;
}

/* Dataset Sections */
.dataset-section {
    padding: 3rem;
    border-radius: 16px;
    background: linear-gradient(135deg, rgba(37, 38, 39, 0.9), rgba(26, 27, 28, 0.9));
    border: 2px solid var(--border-color);
    margin-bottom: 3rem;
}

.kepler-section {
    border-color: #4a90e2;
}

.k2-section {
    border-color: #e24a4a;
}

.tess-section {
    border-color: #e2a54a;
}

/* Model Progression */
.model-progression {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-top: 2rem;
}

.progression-step {
    background: rgba(201, 150, 101, 0.05);
    border-left: 4px solid var(--accent-secondary);
    padding: 2rem;
    border-radius: 8px;
    position: relative;
}

.progression-step h4 {
    font-size: 1.5rem;
    color: var(--accent-secondary);
    margin-bottom: 1rem;
}

.progression-step ul {
    margin: 1rem 0;
    padding-left: 2rem;
}

.progression-step li {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.progression-step .note {
    font-style: italic;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

.final-step {
    border-left-color: var(--accent-primary);
    background: rgba(184, 60, 44, 0.1);
}

/* Result Highlights */
.result-highlight {
    background: linear-gradient(135deg, rgba(201, 150, 101, 0.2), rgba(184, 60, 44, 0.2));
    border: 2px solid var(--accent-secondary);
    border-radius: 12px;
    padding: 1.5rem;
    margin: 1.5rem 0;
    text-align: center;
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
}

.best-result {
    border-color: var(--accent-primary);
    font-size: 1.5rem;
    background: linear-gradient(135deg, rgba(184, 60, 44, 0.3), rgba(201, 150, 101, 0.3));
}

/* Paper Link */
.paper-link {
    display: inline-block;
    margin-top: 1rem;
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: var(--text-primary);
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.paper-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(201, 150, 101, 0.4);
}

.authors {
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-style: italic;
    margin: 0.5rem 0;
}

/* Conclusion Section */
.conclusion-card {
    background: linear-gradient(135deg, rgba(201, 150, 101, 0.1), rgba(184, 60, 44, 0.1));
    border: 2px solid var(--accent-primary);
    padding: 2.5rem;
}

.conclusion-list {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0;
}

.conclusion-list li {
    padding: 1rem;
    margin-bottom: 1rem;
    background: rgba(201, 150, 101, 0.05);
    border-left: 4px solid var(--accent-secondary);
    border-radius: 4px;
    line-height: 1.6;
}

.final-message {
    font-size: 1.2rem;
    font-weight: 600;
    text-align: center;
    margin-top: 2rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, rgba(184, 60, 44, 0.2), rgba(201, 150, 101, 0.2));
    border-radius: 8px;
}

/* GitHub Links Section */
.github-section {
    background: linear-gradient(135deg, rgba(37, 38, 39, 0.95), rgba(26, 27, 28, 0.95));
    border-radius: 16px;
    padding: 3rem;
    text-align: center;
}

.github-links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.github-card {
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 2.5rem;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.github-card:hover {
    border-color: var(--accent-secondary);
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(201, 150, 101, 0.3);
}

.github-icon-large {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.github-card h3 {
    font-size: 1.5rem;
    color: var(--accent-secondary);
    margin-bottom: 0.5rem;
}

.github-card p {
    color: var(--text-secondary);
    text-align: center;
    line-height: 1.6;
}

.github-link-text {
    color: var(--accent-primary);
    font-weight: 600;
    margin-top: auto;
}

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

/* Responsive Design for Workflow Page */
@media (max-width: 768px) {
    .page-title {
        font-size: 2.5rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .visualization-grid {
        grid-template-columns: 1fr;
    }

    .github-links-grid {
        grid-template-columns: 1fr;
    }

    .workflow-page {
        padding: 4rem 0 2rem;
    }

    .content-card {
        padding: 1.5rem;
    }

    .dataset-section {
        padding: 2rem;
    }
}

@media (max-width: 480px) {
    .page-title {
        font-size: 2rem;
    }

    .metric-value {
        font-size: 2rem;
    }

    .metrics-grid {
        grid-template-columns: 1fr;
    }

    .pipeline-step {
        flex-direction: column;
        gap: 1rem;
    }

    .sommaire-grid {
        grid-template-columns: 1fr;
    }
}

/* Image Modal */
.image-modal {
    display: none;
    position: fixed;
    z-index: 9999;
    padding-top: 50px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.95);
    animation: fadeIn 0.3s ease;
}

.modal-content {
    margin: auto;
    display: block;
    max-width: 90%;
    max-height: 85vh;
    object-fit: contain;
    animation: zoomIn 0.3s ease;
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 40px;
    color: #f1f1f1;
    font-size: 50px;
    font-weight: bold;
    transition: 0.3s;
    cursor: pointer;
    z-index: 10000;
}

.modal-close:hover,
.modal-close:focus {
    color: var(--accent-secondary);
    text-decoration: none;
}

.modal-caption {
    margin: auto;
    display: block;
    width: 80%;
    max-width: 700px;
    text-align: center;
    color: #ccc;
    padding: 20px 0;
    font-size: 1.1rem;
}

@keyframes zoomIn {
    from {
        transform: scale(0.5);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Clickable images cursor */
.clickable-image {
    cursor: pointer;
    transition: all 0.3s ease;
}

.clickable-image:hover {
    transform: scale(1.02);
    box-shadow: 0 8px 32px rgba(201, 150, 101, 0.4);
}