/* Styles pour la page des vidéos YouTube - Style cohérent avec le site */

/* Bouton retour amélioré pour fond foncé */
.back-home {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    background: rgba(255,255,255,0.92);
    border: 1.5px solid var(--primary-color);
    border-radius: 30px;
    font-weight: 500;
    margin: 1.5rem 0 0 2rem;
    padding: 0.5rem 1.2rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    font-size: 1.1rem;
    transition: background 0.2s, color 0.2s, border 0.2s;
    z-index: 10;
    position: relative;
    text-decoration: none;
}
.back-home i {
    color: var(--primary-color);
    font-size: 1.2em;
}
.back-home:hover {
    background: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
    text-decoration: none;
}
.back-home:hover i {
    color: #fff;
}
@media (max-width: 576px) {
    .back-home {
        margin: 1rem 0 0 0.5rem;
        font-size: 1rem;
        padding: 0.4rem 1rem;
    }
}

/* Section Hero */
.hero-section {
    background-color: var(--primary-color);
    padding: 3rem 0;
    color: white;
    text-align: center;
    margin-bottom: 2rem;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.hero-content h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.2rem;
    font-style: italic;
    opacity: 0.9;
}

/* Section Filtres */
.filters-section {
    padding: 2rem 0;
    background-color: var(--light-bg);
    border-bottom: 1px solid #e9ecef;
}

.filters-container {
    text-align: center;
}

.filters-container h2 {
    color: var(--primary-color);
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.8rem;
}

.filters-container h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--primary-color);
}

.filter-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.filter-btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background: var(--white);
    color: var(--text-color);
    text-decoration: none;
    border-radius: 25px;
    border: 2px solid #e9ecef;
    transition: all 0.3s ease;
    font-weight: 500;
}

.filter-btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-2px);
    text-decoration: none;
}

.filter-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* Section Vidéos */
.videos-section {
    padding: 2rem 0 4rem;
    background-color: var(--light-bg);
}

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

.video-card {
    background-color: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.video-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.video-thumbnail {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.video-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.video-card:hover .video-thumbnail img {
    transform: scale(1.05);
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.video-card:hover .video-overlay {
    opacity: 1;
}

.play-button {
    background: rgba(255,255,255,0.9);
    border: none;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.play-button:hover {
    background: white;
    transform: scale(1.1);
}

.play-button i {
    color: #ff0000;
    font-size: 1.5rem;
    margin-left: 3px;
}

.video-duration {
    position: absolute;
    top: 10px;
    right: 10px;
    background: rgba(0,0,0,0.7);
    color: white;
    padding: 0.3rem 0.6rem;
    border-radius: 4px;
    font-size: 0.8rem;
}

.video-info {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.video-info h3 {
    color: var(--primary-color);
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.video-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.video-category {
    background: #e3f2fd;
    color: #1976d2;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-weight: 600;
    font-size: 0.8rem;
}

.video-date {
    color: var(--text-secondary);
    font-size: 0.8rem;
}

.video-description {
    color: var(--text-color);
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 1.5rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.video-actions {
    display: flex;
    gap: 0.8rem;
    flex-wrap: wrap;
    margin-top: auto;
}

.video-actions .btn {
    flex: 1;
    min-width: 120px;
    text-align: center;
    padding: 0.8rem 1.2rem;
    font-size: 0.9rem;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 500;
    transition: background-color 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.video-actions .btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.video-actions .btn-primary:hover {
    background-color: var(--accent-color);
}

.video-actions .btn-secondary {
    background-color: var(--secondary-color);
    color: white;
}

.video-actions .btn-secondary:hover {
    background-color: #5a6268;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.8);
    backdrop-filter: blur(5px);
}

.modal-content {
    position: relative;
    background-color: var(--white);
    margin: 2% auto;
    width: 90%;
    max-width: 900px;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.3);
    animation: modalSlideIn 0.3s ease;
}

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

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid #e9ecef;
}

.modal-header h3 {
    margin: 0;
    color: var(--primary-color);
    font-size: 1.3rem;
}

.close {
    color: #aaa;
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s ease;
}

.close:hover {
    color: #333;
}

.modal-body {
    padding: 0;
}

.video-container {
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 56.25%; /* Ratio 16:9 */
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 0 0 12px 12px;
}

/* État vide */
.no-videos {
    text-align: center;
    padding: 4rem 2rem;
    background-color: var(--white);
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    color: var(--text-color);
}

.no-videos i {
    font-size: 4rem;
    color: #ccc;
    margin-bottom: 1rem;
}

.no-videos h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.no-videos p {
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

/* Mode sombre */
[data-theme="dark"] .hero-section {
    background-color: var(--primary-color);
}

[data-theme="dark"] .filters-container h2,
[data-theme="dark"] .filters-container h2::after {
    color: var(--primary-light);
    background-color: var(--primary-light);
}

[data-theme="dark"] .filter-btn {
    background: var(--card-bg);
    color: var(--text-color);
    border-color: var(--border-color);
}

[data-theme="dark"] .filter-btn:hover,
[data-theme="dark"] .filter-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

[data-theme="dark"] .video-card {
    background-color: var(--card-bg);
}

[data-theme="dark"] .video-info h3 {
    color: var(--primary-light);
}

[data-theme="dark"] .modal-content {
    background-color: var(--card-bg);
}

[data-theme="dark"] .modal-header h3 {
    color: var(--primary-light);
}

[data-theme="dark"] .no-videos {
    background-color: var(--card-bg);
}

[data-theme="dark"] .no-videos h3 {
    color: var(--primary-light);
}

/* Media queries */
@media (max-width: 992px) {
    .videos-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }
}

@media (max-width: 768px) {
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .filters-container h2 {
        font-size: 1.5rem;
    }
    
    .videos-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: 1.5rem;
    }
    
    .filter-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .filter-btn {
        width: 200px;
    }
    
    .video-actions {
        flex-direction: column;
    }
    
    .video-actions .btn {
        width: 100%;
    }
    
    .modal-content {
        width: 95%;
        margin: 5% auto;
    }
    
    .modal-header {
        padding: 1rem;
    }
    
    .modal-header h3 {
        font-size: 1.1rem;
    }
}

@media (max-width: 576px) {
    .hero-section {
        padding: 2rem 0;
    }
    
    .hero-section h1 {
        font-size: 1.8rem;
    }
    
    .filters-container h2 {
        font-size: 1.3rem;
    }
    
    .videos-section {
        padding: 2rem 0;
    }
    
    .videos-grid {
        grid-template-columns: 1fr;
    }
    
    .video-info {
        padding: 1rem;
    }
    
    .video-info h3 {
        font-size: 1.1rem;
    }
}