/**
 * Composant Atomique : Galerie Photo & Lightbox Interactive
 * Conforme BEM (.cp-galerie-*, .cp-lightbox-*) & WCAG 2.1 AA
 */

/* ============================================================
   1. GRILLE DE LA GALERIE PUBLIQUE
   ============================================================ */
.cp-galerie-section {
    position: relative;
    width: 100%;
}

.cp-galerie-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
    margin-bottom: 3rem;
}

@media (max-width: 640px) {
    .cp-galerie-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.65rem;
        margin-top: 1.25rem;
        margin-bottom: 2rem;
    }
}

@media (min-width: 1024px) {
    .cp-galerie-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 1.75rem;
    }
}

@media (min-width: 1280px) {
    .cp-galerie-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Carte Photo Individuelle */
.cp-galerie-item {
    position: relative;
    display: block;
    aspect-ratio: 4 / 3;
    border-radius: 16px;
    overflow: hidden;
    background-color: var(--cp-color-light, #f1f5f9);
    box-shadow: 0 4px 15px rgba(15, 23, 42, 0.06);
    border: 1px solid rgba(226, 232, 240, 0.8);
    cursor: pointer;
    text-decoration: none;
    outline: none;
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.cp-galerie-item:focus-visible {
    outline: 3px solid var(--cp-color-secondary, #EB7630);
    outline-offset: 3px;
}

.cp-galerie-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 32px rgba(32, 70, 123, 0.14);
}

.cp-galerie-item__thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.cp-galerie-item:hover .cp-galerie-item__thumb {
    transform: scale(1.06);
}

/* Overlay & Icône Loupe */
.cp-galerie-item__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(15, 23, 42, 0.8) 0%, rgba(15, 23, 42, 0.2) 60%, transparent 100%);
    opacity: 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 1.25rem;
    transition: opacity 0.3s ease;
}

.cp-galerie-item:hover .cp-galerie-item__overlay,
.cp-galerie-item:focus .cp-galerie-item__overlay {
    opacity: 1;
}

.cp-galerie-item__icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.7);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    color: var(--cp-color-primary, #20467B);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
    opacity: 0;
}

.cp-galerie-item:hover .cp-galerie-item__icon {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
}

.cp-galerie-item__caption {
    color: #ffffff;
    font-size: 0.9rem;
    font-weight: 600;
    line-height: 1.35;
    margin: 0;
    text-shadow: 0 2px 4px rgba(0,0,0,0.5);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

@media (max-width: 640px) {
    .cp-galerie-item {
        border-radius: 12px;
    }
    .cp-galerie-item__overlay {
        padding: 0.65rem;
    }
    .cp-galerie-item__caption {
        font-size: 0.78rem;
    }
    .cp-galerie-item__icon {
        width: 36px;
        height: 36px;
        font-size: 0.95rem;
    }
}

/* ============================================================
   2. ÉTAT VIDE (EMPTY STATE)
   ============================================================ */
.cp-galerie-empty {
    text-align: center;
    padding: 4rem 2rem;
    background: #f8fafc;
    border-radius: 20px;
    border: 2px dashed #cbd5e1;
    max-width: 600px;
    margin: 2rem auto;
}

.cp-galerie-empty__icon {
    font-size: 3.5rem;
    color: #94a3b8;
    margin-bottom: 1rem;
    display: block;
}

.cp-galerie-empty__title {
    font-size: var(--cp-h3-size);
    font-weight: 800;
    color: #1e293b;
    margin: 0 0 0.5rem 0;
}

.cp-galerie-empty__desc {
    font-size: 1rem;
    color: #64748b;
    margin: 0 0 1.5rem 0;
}

/* ============================================================
   3. LIGHTBOX INTERACTIVE FULLSCREEN
   ============================================================ */
body.cp-lightbox-open {
    overflow: hidden !important;
}

.cp-lightbox {
    position: fixed;
    inset: 0;
    z-index: 999999;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(15, 23, 42, 0.94);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    padding: 1rem;
}

.cp-lightbox.is-active {
    opacity: 1;
    visibility: visible;
}

.cp-lightbox__dialog {
    position: relative;
    max-width: 92vw;
    max-height: 88vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.cp-lightbox__img-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    max-height: 78vh;
}

.cp-lightbox__img {
    max-width: 90vw;
    max-height: 78vh;
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: 12px;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.5);
    user-select: none;
    transform: scale(0.96);
    opacity: 0;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
}

.cp-lightbox.is-active .cp-lightbox__img {
    transform: scale(1);
    opacity: 1;
}

/* Contrôles de navigation */
.cp-lightbox__close-btn {
    position: fixed;
    top: 20px;
    right: 24px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    color: #ffffff;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    transition: background 0.2s, transform 0.2s;
    z-index: 10;
}

.cp-lightbox__close-btn:hover,
.cp-lightbox__close-btn:focus-visible {
    background: rgba(239, 68, 68, 0.9);
    transform: scale(1.1);
}

.cp-lightbox__nav-btn {
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.2);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    transition: background 0.2s, transform 0.2s, border-color 0.2s;
    z-index: 10;
}

.cp-lightbox__nav-btn:hover,
.cp-lightbox__nav-btn:focus-visible {
    background: var(--cp-color-secondary, #EB7630);
    border-color: var(--cp-color-secondary, #EB7630);
    transform: translateY(-50%) scale(1.08);
}

.cp-lightbox__nav-btn--prev {
    left: 20px;
}

.cp-lightbox__nav-btn--next {
    right: 20px;
}

/* Barre d'informations & Légende */
.cp-lightbox__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    max-width: 90vw;
    margin-top: 14px;
    color: #e2e8f0;
    gap: 1rem;
}

.cp-lightbox__caption {
    font-size: 0.95rem;
    font-weight: 500;
    margin: 0;
    color: #f1f5f9;
    line-height: 1.4;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.cp-lightbox__counter {
    font-size: 0.85rem;
    font-weight: 700;
    color: #94a3b8;
    background: rgba(255, 255, 255, 0.1);
    padding: 4px 12px;
    border-radius: var(--cp-radius-pill, 50px) !important;
    white-space: nowrap;
    flex-shrink: 0;
}

/* Mobile Friendly (WCAG 44x44px minimum touch targets) */
@media (max-width: 640px) {
    .cp-lightbox__nav-btn {
        width: 44px;
        height: 44px;
        font-size: 1.1rem;
        background: rgba(0, 0, 0, 0.65);
    }
    .cp-lightbox__nav-btn--prev { left: 8px; }
    .cp-lightbox__nav-btn--next { right: 8px; }
    .cp-lightbox__close-btn { top: 12px; right: 12px; width: 44px; height: 44px; font-size: 1.5rem; }
}

@media (prefers-reduced-motion: reduce) {
    .cp-galerie-item,
    .cp-galerie-item__thumb,
    .cp-galerie-item__icon,
    .cp-lightbox,
    .cp-lightbox__img,
    .cp-lightbox__nav-btn {
        transition: none !important;
        transform: none !important;
    }
}

/* ============================================================
   5. STRUCTURE MULTI-ACTIVITÉS (ALBUMS SÉQUENTIELS)
   ============================================================ */
.cp-gallery-quicknav {
    background: #F8FAFC;
    border: 1px solid #E2E8F0;
    border-radius: var(--cp-radius-pill, 50px);
    padding: 0.75rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 3.5rem;
    overflow-x: auto;
    scrollbar-width: none;
}
.cp-gallery-quicknav::-webkit-scrollbar {
    display: none;
}

@media (max-width: 640px) {
    .cp-gallery-quicknav {
        margin-bottom: 2rem;
        padding: 0.5rem 0.85rem;
        gap: 0.65rem;
    }
}

.cp-gallery-quicknav-label {
    font-size: 0.88rem;
    font-weight: 800;
    color: #1E293B;
    white-space: nowrap;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.cp-gallery-quicknav-items {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: nowrap;
}

.cp-gallery-nav-pill {
    font-size: 0.88rem;
    font-weight: 600;
    color: #475569;
    background: #FFFFFF;
    border: 1px solid #CBD5E1;
    border-radius: var(--cp-radius-pill, 50px);
    padding: 0.45rem 1.15rem;
    text-decoration: none;
    white-space: nowrap;
    transition: all 0.2s ease;
}

.cp-gallery-nav-pill:hover,
.cp-gallery-nav-pill.is-active {
    background: var(--cp-color-secondary, #EB7630);
    color: #FFFFFF;
    border-color: var(--cp-color-secondary, #EB7630);
}

/* ============================================================
   NOUVEAUX ONGLETS TACTILES PAR ACTIVITÉ (TABS MOBILE-FIRST)
   ============================================================ */
.cp-galerie-tabs-bar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 3.5rem;
    padding-bottom: 0.75rem;
    overflow-x: auto;
    white-space: nowrap;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
}

.cp-galerie-tabs-bar::-webkit-scrollbar {
    display: none;
}

@media (max-width: 640px) {
    .cp-galerie-tabs-bar {
        margin-bottom: 2rem;
        gap: 0.5rem;
        padding-bottom: 0.5rem;
    }
}

.cp-galerie-tab-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.65rem 1.35rem;
    min-height: 44px;
    border-radius: var(--cp-radius-pill, 50px) !important;
    background: #F8FAFC;
    border: 1px solid #CBD5E1;
    color: #334155;
    font-size: 0.92rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    white-space: nowrap;
    text-decoration: none;
    outline: none;
}

.cp-galerie-tab-pill:hover {
    background: #FFFFFF;
    border-color: var(--cp-color-secondary, #EB7630);
    color: var(--cp-color-secondary, #EB7630);
    box-shadow: 0 4px 14px rgba(235, 118, 48, 0.15);
}

.cp-galerie-tab-pill.is-active {
    background: var(--cp-color-secondary, #EB7630) !important;
    color: #FFFFFF !important;
    border-color: var(--cp-color-secondary, #EB7630) !important;
    box-shadow: 0 6px 18px rgba(235, 118, 48, 0.28);
}

.cp-galerie-tab-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.08);
    color: inherit;
    font-size: 0.78rem;
    font-weight: 800;
    padding: 0.15rem 0.55rem;
    border-radius: var(--cp-radius-pill, 50px);
    min-width: 20px;
    line-height: 1.2;
}

.cp-galerie-tab-pill.is-active .cp-galerie-tab-count {
    background: rgba(255, 255, 255, 0.25);
    color: #FFFFFF;
}

/* Filtrage d'activité masquée */
.cp-gallery-activity-block.is-tab-hidden {
    display: none !important;
}

/* Chargement progressif : photos masquées par défaut */
.cp-galerie-item.is-hidden {
    display: none !important;
}

/* Bouton Afficher plus de photos (Pill 50px) */
.cp-galerie-load-more-wrap {
    text-align: center;
    margin-top: 2.25rem;
    margin-bottom: 1.5rem;
}

.cp-galerie-load-more-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.65rem;
    padding: 0.75rem 1.75rem;
    min-height: 46px;
    font-size: 0.95rem;
    font-weight: 700;
    border-radius: var(--cp-radius-pill, 50px) !important;
    border: 2px solid var(--cp-color-secondary, #EB7630);
    color: var(--cp-color-secondary, #EB7630);
    background: #FFFFFF;
    cursor: pointer;
    transition: all 0.25s ease;
    box-shadow: 0 4px 12px rgba(235, 118, 48, 0.1);
}

.cp-galerie-load-more-btn:hover {
    background: var(--cp-color-secondary, #EB7630);
    color: #FFFFFF;
    box-shadow: 0 8px 24px rgba(235, 118, 48, 0.25);
    transform: translateY(-2px);
}

.cp-galerie-count-pill {
    font-size: 0.88rem;
    font-weight: 600;
    opacity: 0.9;
}

/* Animation d'apparition douce des photos supplémentaires */
.cp-fade-in {
    animation: cpFadeInPhoto 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes cpFadeInPhoto {
    from {
        opacity: 0;
        transform: translateY(12px) scale(0.97);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.cp-gallery-activity-block {
    scroll-margin-top: 120px;
    margin-bottom: 4.5rem;
    padding-bottom: 3.5rem;
    border-bottom: 1px solid #E2E8F0;
}

@media (max-width: 640px) {
    .cp-gallery-activity-block {
        scroll-margin-top: 85px;
        margin-bottom: 2.75rem;
        padding-bottom: 2rem;
    }
}

.cp-gallery-activity-block:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.cp-gallery-activity-header {
    margin-bottom: 1.75rem;
}

@media (max-width: 640px) {
    .cp-gallery-activity-header {
        margin-bottom: 1.15rem;
    }
}

.cp-gallery-activity-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.85rem;
    margin-bottom: 0.65rem;
}

.cp-gallery-meta-date,
.cp-gallery-meta-count {
    font-size: 0.88rem;
    color: #64748B;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
}

.cp-gallery-activity-title {
    font-size: var(--cp-h2-size, clamp(1.65rem, 2.5vw, 2.25rem));
    font-weight: 800;
    color: var(--cp-color-primary, #20467B);
    margin: 0 0 0.75rem 0;
    line-height: 1.25;
}

.cp-gallery-activity-desc {
    max-width: 860px;
    font-size: 1.05rem;
    line-height: 1.7;
    color: #475569;
}

.cp-gallery-activity-desc p {
    margin: 0 0 0.75rem 0;
    font-size: inherit;
    line-height: inherit;
}