/* Variables CSS */
:root {
    --color-primary: #6366f1;
    --color-primary-dark: #4f46e5;
    --color-bg: #0f0f1a;
    --color-surface: #1a1a2e;
    --color-surface-hover: #252542;
    --color-text: #e2e8f0;
    --color-text-muted: #94a3b8;
    --color-border: #334155;
    --color-accent: #22d3ee;
    --radius: 12px;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
    --transition: 0.2s ease;
}

/* Reset et base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
}

/* Header Hero */
.hero-header {
    width: 100%;
    height: 35vh;
    min-height: 200px;
    max-height: 400px;
    background: 
        linear-gradient(135deg, rgba(99, 102, 241, 0.3), rgba(34, 211, 238, 0.2)),
        url('images/header-banner.jpg') center/cover no-repeat;
    background-color: var(--color-surface);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.header-overlay {
    background: rgba(15, 15, 26, 0.6);
    backdrop-filter: blur(4px);
    padding: 2rem 3rem;
    border-radius: var(--radius);
    text-align: center;
}

.hero-header h1 {
    font-size: clamp(1.8rem, 5vw, 3.5rem);
    font-weight: 700;
    background: linear-gradient(135deg, var(--color-text), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 2px 20px rgba(99, 102, 241, 0.3);
}

/* Container principal */
.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

/* Sections média */
.media-section {
    margin-bottom: 3rem;
}

.media-section h2 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--color-text);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.section-info {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

/* Liste des médias */
.media-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.media-item {
    background: var(--color-surface);
    border-radius: var(--radius);
    transition: transform var(--transition), box-shadow var(--transition);
    overflow: hidden;
}

.media-item:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow);
}

.media-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    color: var(--color-text);
    text-decoration: none;
    transition: background var(--transition);
}

.media-link:hover {
    background: var(--color-surface-hover);
}

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

.media-name {
    flex: 1;
    font-weight: 500;
    word-break: break-word;
}

.media-size {
    color: var(--color-text-muted);
    font-size: 0.85rem;
    flex-shrink: 0;
}

/* État vide */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    background: var(--color-surface);
    border-radius: var(--radius);
}

.empty-state p {
    color: var(--color-text-muted);
    margin-bottom: 1rem;
}

.empty-state code {
    background: var(--color-bg);
    padding: 0.2em 0.5em;
    border-radius: 4px;
    font-size: 0.9em;
}

/* Modal */
.modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.modal[hidden] {
    display: none;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
}

.modal-content {
    position: relative;
    background: var(--color-surface);
    border-radius: var(--radius);
    padding: 1.5rem;
    max-width: 900px;
    width: 100%;
    max-height: 90vh;
    overflow: auto;
    box-shadow: var(--shadow);
    animation: modalIn 0.3s ease;
}

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

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 40px;
    height: 40px;
    border: none;
    background: var(--color-bg);
    color: var(--color-text);
    font-size: 1.5rem;
    border-radius: 50%;
    cursor: pointer;
    transition: background var(--transition), transform var(--transition);
    z-index: 10;
}

.modal-close:hover {
    background: var(--color-primary);
    transform: rotate(90deg);
}

.modal-title {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    padding-right: 3rem;
    word-break: break-word;
}

.player-container {
    background: #000;
    border-radius: 8px;
    overflow: hidden;
}

.player-container video,
.player-container audio {
    width: 100%;
    display: block;
    max-height: 70vh;
}

.player-container audio {
    padding: 2rem 1rem;
    background: linear-gradient(135deg, var(--color-surface), var(--color-bg));
}

.modal-hint {
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.8rem;
    margin-top: 1rem;
}

/* Footer */
.site-footer {
    text-align: center;
    padding: 2rem;
    color: var(--color-text-muted);
    font-size: 0.85rem;
    border-top: 1px solid var(--color-border);
    margin-top: 2rem;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-header {
        height: 25vh;
        min-height: 150px;
    }
    
    .header-overlay {
        padding: 1.5rem 2rem;
    }
    
    .container {
        padding: 1.5rem 1rem;
    }
    
    .media-link {
        padding: 0.875rem 1rem;
    }
    
    .media-size {
        display: none;
    }
    
    .modal-content {
        padding: 1rem;
        margin: 0.5rem;
    }
}

@media (max-width: 480px) {
    .hero-header h1 {
        font-size: 1.5rem;
    }
    
    .header-overlay {
        padding: 1rem 1.5rem;
    }
    
    .media-link {
        gap: 0.75rem;
    }
    
    .media-icon {
        font-size: 1.25rem;
    }
}

/* Accessibilité */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus visible */
.media-link:focus-visible,
.modal-close:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}