/* ===== MEDIATHEQUE ===== */

.mediatheque-section{
    padding: 60px 0;
}

.mediatheque-header{
    text-align: center;
    margin-bottom: 40px;
}

.mediatheque-header h2{
    color: var(--heading);
    font-weight: 700;
}

.mediatheque-header p{
    color: var(--text);
}

/* FILTRES */

.mediatheque-filters{
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin-bottom: 40px;
}

.filter-btn{
    padding: 10px 22px;
    border: 1px solid var(--border);
    background: var(--white);
    color: var(--text);
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn:hover{
    border-color: var(--primary-light);
    color: var(--primary);
}

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

/* GRID */

.mediatheque-grid{
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

@media (max-width: 992px){
    .mediatheque-grid{
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px){
    .mediatheque-grid{
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px){
    .mediatheque-grid{
        grid-template-columns: 1fr;
    }
}

.media-item{
    transition: var(--transition);
}

.media-item.hidden{
    display: none;
}

.media-card{
    position: relative;
    overflow: hidden;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    cursor: pointer;
    aspect-ratio: 4 / 3;
    transition: var(--transition);
}

.media-card:hover{
    box-shadow: var(--shadow);
    transform: translateY(-5px);
}

.media-card img{
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.media-card:hover img{
    transform: scale(1.08);
}

.media-count{
    position: absolute;
    top: 12px;
    right: 12px;
    background: rgba(15,23,42,.65);
    color: var(--white);
    padding: 4px 10px;
    border-radius: 50px;
    font-size: .8rem;
    display: flex;
    align-items: center;
    gap: 6px;
    z-index: 2;
}

.media-play{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    width: 56px;
    height: 56px;
    background: var(--secondary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    z-index: 2;
    transition: var(--transition);
}

.media-card:hover .media-play{
    background: var(--secondary-dark);
    transform: translate(-50%,-50%) scale(1.1);
}

.media-overlay{
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 30px 15px 15px;
    background: linear-gradient(to top, rgba(15,23,42,.85), transparent);
    display: flex;
    flex-direction: column;
    gap: 4px;
    z-index: 1;
}

.media-title{
    color: var(--white);
    font-weight: 600;
    font-size: .95rem;
}

.media-badge{
    color: var(--secondary-light);
    font-size: .78rem;
    font-weight: 500;
}

.mediatheque-empty{
    text-align: center;
    padding: 60px 0;
    color: var(--text);
    font-weight: 500;
}

/* ===== LIGHTBOX (identique à article) ===== */

.lightbox-overlay{
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15,23,42,.92);
    z-index: 9999;
    align-items: center;
    justify-content: center;
}

.lightbox-overlay.active{
    display: flex;
}

.lightbox-overlay img{
    max-width: 80%;
    max-height: 85%;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
}

.lightbox-close{
    position: absolute;
    top: 25px;
    right: 35px;
    color: var(--white);
    font-size: 2.5rem;
    cursor: pointer;
    line-height: 1;
    z-index: 2;
}

.lightbox-close:hover{
    color: var(--secondary);
}

.lightbox-arrow{
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255,255,255,.15);
    color: var(--white);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.1rem;
    transition: var(--transition);
    z-index: 2;
}

.lightbox-arrow:hover{
    background: var(--secondary);
}

.lightbox-prev{ left: 25px; }
.lightbox-next{ right: 25px; }

/* ===== MODAL VIDEO ===== */

.video-modal-overlay{
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15,23,42,.92);
    z-index: 9999;
    align-items: center;
    justify-content: center;
}

.video-modal-overlay.active{
    display: flex;
}

.video-modal-content{
    width: 80%;
    max-width: 900px;
    aspect-ratio: 16 / 9;
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius);
    overflow: hidden;
}

.video-modal-content iframe{
    width: 100%;
    height: 100%;
    border: none;
}

@media (max-width: 576px){
    .video-modal-content{
        width: 95%;
    }

    .lightbox-arrow{
        width: 40px;
        height: 40px;
        font-size: .9rem;
    }
}