/* ============================================================
   Lightbox — overlay
   ============================================================ */

.lightbox {
    position: fixed;
    inset: 0;
    z-index: 9000;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.92);
    backdrop-filter: blur(4px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}

.lightbox.is-open {
    opacity: 1;
    pointer-events: auto;
}

.lightbox-backdrop {
    position: absolute;
    inset: 0;
    z-index: 0;
    cursor: pointer;
}

.lightbox-media-wrap {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-img,
.lightbox-video {
    max-width: 90vw;
    max-height: 90vh;
    object-fit: contain;
    display: block;
    border-radius: 4px;
}

/* ============================================================
   Barre d'icônes (desktop)
   ============================================================ */

.lightbox-topbar {
    position: absolute;
    top: 0;
    right: 0;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 14px;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.75) 0%, transparent 100%);
}

.lb-btn {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: #e0e0e0;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 0.9rem;
    text-decoration: none;
    transition: background 0.15s;
    flex-shrink: 0;
}

.lb-btn:hover {
    background: rgba(255, 255, 255, 0.25);
    color: #fff;
}

.lb-fullscreen-btn .icon-compress { display: none; }
.lb-fullscreen-btn.is-fullscreen .icon-expand { display: none; }
.lb-fullscreen-btn.is-fullscreen .icon-compress { display: block; }

.lb-btn.is-playing {
    background: rgba(33, 150, 243, 0.4);
    color: #90caf9;
    border-color: rgba(33, 150, 243, 0.3);
}

.lb-btn[data-action="close"] {
    background: rgba(200, 50, 50, 0.25);
    color: #ff8a80;
    border-color: rgba(200, 50, 50, 0.2);
}

.lb-btn[data-action="close"]:hover {
    background: rgba(200, 50, 50, 0.5);
}

.lb-sep {
    width: 1px;
    height: 20px;
    background: rgba(255, 255, 255, 0.15);
    margin: 0 2px;
    flex-shrink: 0;
}

.lb-slideshow-interval {
    width: 44px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 6px;
    color: #e0e0e0;
    font-size: 0.8rem;
    padding: 5px 4px;
    text-align: center;
    height: 36px;
}

/* ============================================================
   Flèches de navigation (desktop, apparaissent au survol)
   ============================================================ */

.lb-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 2;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: white;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.2s, background 0.15s;
    pointer-events: none;
}

.lightbox:hover .lb-nav {
    opacity: 1;
    pointer-events: auto;
}

.lb-nav:hover {
    background: rgba(255, 255, 255, 0.28);
}

.lb-prev { left: 14px; }
.lb-next { right: 14px; }

/* ============================================================
   Compteur
   ============================================================ */

.lightbox-counter {
    position: absolute;
    bottom: 14px;
    left: 16px;
    z-index: 2;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.75rem;
    background: rgba(0, 0, 0, 0.45);
    padding: 3px 10px;
    border-radius: 10px;
    pointer-events: none;
    user-select: none;
}

/* ============================================================
   Bouton fermer mobile (toujours visible)
   ============================================================ */

.lightbox-close-mobile {
    display: none;
    position: absolute;
    top: 12px;
    right: 12px;
    z-index: 2;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    cursor: pointer;
    align-items: center;
    justify-content: center;
}

/* ============================================================
   Bottom sheet mobile
   ============================================================ */

.lightbox-sheet {
    display: none;
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 3;
    background: rgba(18, 18, 18, 0.97);
    backdrop-filter: blur(16px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 14px 14px 0 0;
    padding: 10px 16px 24px;
    transform: translateY(100%);
    transition: transform 0.25s ease;
    pointer-events: none;
}

.lightbox-sheet.is-open {
    transform: translateY(0);
    pointer-events: auto;
}

.lightbox-sheet-handle {
    width: 32px;
    height: 4px;
    border-radius: 2px;
    background: rgba(255, 255, 255, 0.2);
    margin: 0 auto 16px;
}

.lightbox-sheet-actions {
    display: flex;
    justify-content: space-around;
    align-items: center;
}

.lb-sheet-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    color: #ccc;
    font-size: 0.7rem;
    background: none;
    border: none;
    cursor: pointer;
    text-decoration: none;
    padding: 8px 6px;
    border-radius: 10px;
    transition: background 0.15s;
    min-width: 60px;
}

.lb-sheet-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
}

.lb-sheet-btn svg {
    width: 22px;
    height: 22px;
}

.lb-sheet-btn.is-playing {
    color: #64b5f6;
}

/* ============================================================
   Responsive — mobile (< 769px)
   ============================================================ */

@media (max-width: 768px) {
    .lightbox-topbar,
    .lb-nav {
        display: none;
    }

    .lightbox-close-mobile {
        display: flex;
    }

    .lightbox-sheet {
        display: block;
    }

    .lightbox-img,
    .lightbox-video {
        max-width: 100vw;
        max-height: 100vh;
        border-radius: 0;
    }
}