/* --- Variables (style musée / art moderne) --- */
:root {
    --color-bg: #f8f7f4;
    --color-bg-card: #fff;
    --color-text: #1a1a1a;
    --color-text-muted: #5c5c5c;
    --color-border: #e0ddd8;
    --color-accent: #2c2c2c;
    --color-danger: #8b3a3a;
    --font-serif: "Cormorant Garamond", Georgia, serif;
    --font-sans: "IBM Plex Sans", system-ui, sans-serif;
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --radius: 4px;
    --shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    --label-bg: #f0eeea;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    font-size: 18px;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--font-sans);
    font-weight: 300;
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.5;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.hidden {
    display: none !important;
}

/* --- Header --- */
.site-header {
    padding: var(--space-lg) var(--space-xl);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.site-title {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text);
    text-decoration: none;
    letter-spacing: 0.02em;
}

.site-title:hover {
    color: var(--color-accent);
}

.lang-switcher {
    display: flex;
    gap: var(--space-xs);
    align-items: center;
}

.lang-btn {
    padding: var(--space-xs) var(--space-sm);
    border: 1px solid var(--color-border);
    background: var(--color-bg-card);
    font-size: 0.9rem;
    cursor: pointer;
    border-radius: var(--radius);
    color: var(--color-text-muted);
}

.lang-btn:hover {
    color: var(--color-text);
    border-color: var(--color-text-muted);
}

.lang-btn.active {
    background: var(--color-accent);
    color: #fff;
    border-color: var(--color-accent);
}

.admin-nav {
    display: flex;
    gap: var(--space-lg);
}

.admin-link {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    text-decoration: none;
}

.admin-link:hover {
    color: var(--color-text);
}

/* --- Main --- */
.main-content {
    flex: 1;
    padding: var(--space-xl);
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

/* --- Admin login (écran seul) --- */
.admin-page #admin-login-screen {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-2xl);
    min-height: 60vh;
}

.admin-page #admin-login-screen .login-content {
    margin: 0 auto;
}

.login-content {
    max-width: 400px;
}

.login-card {
    background: var(--color-bg-card);
    padding: var(--space-2xl);
    box-shadow: var(--shadow);
    border: 1px solid var(--color-border);
}

.login-title {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    margin: 0 0 var(--space-sm) 0;
}

.login-subtitle {
    color: var(--color-text-muted);
    margin: 0 0 var(--space-lg) 0;
    font-size: 0.95rem;
}

.login-error {
    color: var(--color-danger);
    margin: 0 0 var(--space-md) 0;
    font-size: 0.9rem;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.login-back {
    margin: var(--space-lg) 0 0 0;
    font-size: 0.9rem;
}

.login-back a {
    color: var(--color-text-muted);
    text-decoration: none;
}

.login-back a:hover {
    color: var(--color-text);
}

.login-forgot {
    margin: var(--space-sm) 0 0 0;
    font-size: 0.9rem;
}

.login-forgot a {
    color: var(--color-accent);
    text-decoration: none;
}

.login-forgot a:hover {
    text-decoration: underline;
}

.login-forgot-message {
    margin: var(--space-md) 0 0 0;
    padding: var(--space-sm) var(--space-md);
    background: var(--label-bg);
    border-radius: var(--radius);
    font-size: 0.9rem;
}

.login-forgot-message a {
    color: var(--color-accent);
}

/* --- À propos (vue publique) : repliable avec chevron --- */
.about-section {
    margin-bottom: var(--space-2xl);
}

.about-inner {
    max-width: 900px;
    margin: 0 auto;
    text-align: left;
}

.about-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: var(--space-md) 0;
    border: none;
    border-bottom: 1px solid var(--color-border);
    background: none;
    font: inherit;
    color: inherit;
    cursor: pointer;
    text-align: left;
}

.about-header:hover {
    color: var(--color-accent);
}

.about-title {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0;
    letter-spacing: 0.02em;
}

.about-chevron {
    font-size: 1.5rem;
    line-height: 1;
    transition: transform 0.3s ease;
    flex-shrink: 0;
    margin-left: var(--space-md);
}

.about-section.about-open .about-chevron {
    transform: rotate(90deg);
}

.about-body {
    max-height: 200px;
    overflow: hidden;
    transition: max-height 0.4s ease 0s;
    position: relative;
}

/* Quand fermé : dégradé en haut du texte (s’estompe en haut, puis quelques lignes bien visibles) */
.about-content {
    transition: -webkit-mask-image 0.4s ease, mask-image 0.4s ease;
}
.about-section:not(.about-open) .about-content {
    transition-delay: 0s;
}

.about-section:not(.about-open) .about-body {
    cursor: pointer;
}
.about-section:not(.about-open) .about-body::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 40px;
    pointer-events: none;
    background: linear-gradient(to bottom, rgba(255,255,255,0) 0%, var(--color-bg) 100%);
}

/* Ouvrir : d’abord estomper (enlever le masque) puis étendre la hauteur */
.about-section.about-open .about-body {
    max-height: 2000px;
    transition: max-height 0.4s ease 0s;
}

.about-section.about-open .about-content {
    -webkit-mask-image: none;
    mask-image: none;
    transition-delay: 0s;
}

/* Fermer : d’abord réduire la hauteur puis estomper (réappliquer le masque) */
.about-section:not(.about-open) .about-body {
    transition: max-height 0.4s ease 0s;
}

.about-body-inner {
    padding: var(--space-lg) 0;
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xl);
    align-items: flex-start;
}

/* Écran étroit : photo au-dessus du texte */
@media (max-width: 560px) {
    .about-body-inner {
        flex-direction: column;
    }
    .about-image-wrap {
        flex: 0 0 auto;
        max-width: 100%;
        width: 100%;
    }
    .about-image {
        max-width: 280px;
        margin: 0 auto;
        display: block;
    }
}

.about-image-wrap {
    flex: 0 0 220px;
    cursor: zoom-in;
    -webkit-tap-highlight-color: transparent;
}

.about-image-wrap:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.about-image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.about-content {
    flex: 1;
    min-width: 0;
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-text);
}

.about-content.br,
.about-content br {
    display: block;
    content: "";
    margin-top: 0.5em;
}

/* Bouton "Voir plus / Read more" sous la biographie */
.about-more {
    text-align: center;
    margin-top: calc(var(--space-md) * -0.5);
}

.about-more-btn {
    background: none;
    border: none;
    padding: var(--space-xs) var(--space-md);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    cursor: pointer;
    position: relative;
}

.about-more-btn::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: 0;
    width: 32px;
    height: 1px;
    background: var(--color-border);
    transform: translateX(-50%);
}

.about-more-btn:hover {
    color: var(--color-accent);
}

.about-section.about-open .about-more {
    display: none;
}

/* --- Annonce (vue publique) : image à côté du texte, image zoomable --- */
.announcement-section {
    margin-bottom: var(--space-2xl);
    padding: var(--space-2xl) var(--space-lg);
    background: var(--label-bg);
    border-left: 4px solid var(--color-accent);
}

.announcement-inner {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xl);
    align-items: flex-start;
}

.announcement-image-wrap {
    flex: 0 0 280px;
    cursor: zoom-in;
    -webkit-tap-highlight-color: transparent;
}

.announcement-image-wrap:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.announcement-image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: var(--radius);
}

.announcement-text {
    flex: 1;
    min-width: 0;
    font-family: var(--font-serif);
    font-size: 1.1rem;
    line-height: 1.6;
    color: var(--color-text);
}

/* --- Rich text (contenu HTML) --- */
.rich-text {
    word-wrap: break-word;
}

.rich-text p {
    margin: 0 0 0.5em 0;
}

.rich-text p:last-child {
    margin-bottom: 0;
}

.rich-text strong {
    font-weight: 600;
}

.rich-text em {
    font-style: italic;
}

.rich-text u {
    text-decoration: underline;
}

.rich-text a {
    color: var(--color-accent);
    text-decoration: underline;
}

.rich-text ul,
.rich-text ol {
    margin: 0.5em 0;
    padding-left: 1.5em;
}

.rich-text br {
    display: block;
    content: "";
    margin-top: 0.35em;
}

/* --- Lightbox image seule (zoom annonce / à propos) --- */
.lightbox-single .lightbox-content {
    cursor: default;
}

.lightbox-single .lightbox-img {
    max-height: 90vh;
    cursor: default;
}

/* --- Galerie publique --- */
.gallery-intro {
    margin-bottom: var(--space-2xl);
    text-align: center;
}

.gallery-heading {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 600;
    margin: 0 0 var(--space-xs) 0;
    letter-spacing: 0.02em;
}

.gallery-subtitle {
    font-size: 1rem;
    color: var(--color-text-muted);
    margin: 0;
}

/* Grille galerie : n colonnes selon la largeur (min 320px par colonne) */
.gallery-grid,
#gallery-container.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--space-2xl);
    list-style: none;
    padding: 0;
    margin: 0;
}

/* Sections intro et body : grille d'items (responsive, JS peut surcharger grid-template-columns) */
.gallery-section-intro,
.gallery-section-body {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-2xl);
}

.gallery-section-body {
    transition: max-height 0.8s cubic-bezier(0.33, 1, 0.68, 1);
}

.gallery-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.gallery-item-image-wrap {
    background: var(--color-bg-card);
    box-shadow: var(--shadow);
    overflow: hidden;
    aspect-ratio: 4 / 3;
}

.gallery-item-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

/* Étiquette type musée */
.gallery-item-label {
    padding: var(--space-md) var(--space-lg);
    background: var(--label-bg);
    border-left: 3px solid var(--color-accent);
}

.label-text {
    font-family: var(--font-serif);
    font-size: 1rem;
    font-style: italic;
    color: var(--color-text);
}

.gallery-empty {
    text-align: center;
    color: var(--color-text-muted);
    padding: var(--space-2xl);
}

.gallery-loading {
    text-align: center;
    color: var(--color-text-muted);
    padding: var(--space-2xl);
}

/* --- Admin dashboard --- */
.admin-section {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.admin-heading {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    margin: 0;
}

.admin-desc {
    color: var(--color-text-muted);
    margin: 0;
    font-size: 0.95rem;
}

.admin-desc code,
.admin-export-desc code {
    background: var(--label-bg);
    padding: 0.1em 0.4em;
    border-radius: 2px;
    font-size: 0.9em;
}

.admin-save-block {
    padding: var(--space-lg);
    background: var(--label-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    margin-bottom: var(--space-xl);
}

.admin-sticky-save {
    position: sticky;
    top: 0;
    z-index: 5;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-xl);
    background: var(--label-bg);
    border-bottom: 1px solid var(--color-border);
}

.admin-sticky-save .admin-export-desc {
    margin: 0;
    flex: 1;
    min-width: 200px;
}

.admin-save-status {
    margin: 0;
}

.admin-tabs-main {
    padding-top: 0;
}

.admin-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 2px;
    padding: var(--space-md) var(--space-xl) 0;
    border-bottom: 1px solid var(--color-border);
    background: var(--color-bg);
}

.admin-tab {
    padding: var(--space-sm) var(--space-lg);
    border: none;
    border-bottom: 2px solid transparent;
    background: none;
    font: inherit;
    cursor: pointer;
    color: var(--color-text-muted);
}

.admin-tab:hover {
    color: var(--color-text);
}

.admin-tab.active {
    color: var(--color-accent);
    border-bottom-color: var(--color-accent);
}

.admin-tab-panel {
    display: none;
    padding: var(--space-xl);
}

.admin-tab-panel.active {
    display: block;
}

.admin-save-block .admin-export-desc {
    margin: 0 0 var(--space-md) 0;
}

.btn-save {
    font-size: 1rem;
    padding: var(--space-md) var(--space-xl);
}

.admin-block {
    padding: var(--space-lg);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    margin-bottom: var(--space-xl);
}

.admin-block .admin-subheading {
    margin-top: 0;
}

.admin-settings-block {
    margin-top: var(--space-2xl);
}

.admin-settings-desc {
    margin: 0 0 var(--space-md) 0;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.admin-settings-form .add-photo-row {
    margin-bottom: var(--space-md);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.btn-small {
    font-size: 0.85rem;
    padding: var(--space-xs) var(--space-md);
    margin-top: var(--space-xs);
}

/* --- Éditeur riche (admin) --- */
.rich-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 2px;
    margin-bottom: var(--space-sm);
    padding: var(--space-xs);
    background: var(--label-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
}

.rich-toolbar-btn {
    padding: 4px 8px;
    border: none;
    border-radius: 2px;
    background: var(--color-bg-card);
    font: inherit;
    font-size: 0.9rem;
    cursor: pointer;
    min-width: 28px;
}

.rich-toolbar-btn:hover {
    background: var(--color-border);
}

.rich-toolbar-sep {
    width: 1px;
    height: 20px;
    background: var(--color-border);
    margin: 0 4px;
}

.rich-toolbar-select {
    padding: 2px 6px;
    border: 1px solid var(--color-border);
    border-radius: 2px;
    font-size: 0.85rem;
    background: var(--color-bg-card);
}

.rich-toolbar-color-wrap {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.rich-toolbar-color-label {
    pointer-events: none;
}

.rich-toolbar-swatch {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 1px solid rgba(0,0,0,0.2);
    border-radius: 2px;
    pointer-events: none;
    flex-shrink: 0;
}

/* Couleur du texte : A souligné (label mis en JS) */
.rich-toolbar-btn.rich-btn-fore .rich-toolbar-color-label {
    text-decoration: underline;
    text-underline-offset: 2px;
}

/* Couleur de fond / surlignage : A avec fond coloré */
.rich-toolbar-btn.rich-btn-back {
    background: linear-gradient(to bottom, transparent 60%, rgba(255, 235, 59, 0.5) 60%);
}

.rich-toolbar-btn.rich-btn-back:hover {
    background: linear-gradient(to bottom, var(--color-border) 60%, rgba(255, 235, 59, 0.6) 60%);
}

/* Surlignage rapide (jaune) */
.rich-toolbar-btn.rich-btn-highlight {
    background: #fef08a;
    font-weight: 600;
}

.rich-toolbar-btn.rich-btn-highlight:hover {
    background: #fde047;
}

.rich-toolbar-color-input {
    position: absolute;
    opacity: 0;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    cursor: pointer;
}

.rich-editor {
    min-height: 120px;
    padding: var(--space-md);
    overflow-y: auto;
}

.rich-editor:empty::before {
    content: attr(data-placeholder);
    color: var(--color-text-muted);
}

.rich-editor:focus {
    outline: none;
}

.admin-subheading {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    margin: 0;
}

.admin-add-photo {
    padding: var(--space-lg);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
}

.add-photo-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-top: var(--space-md);
}

.add-photo-row {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

/* --- Zone de dépôt multiple --- */
.admin-drop-zone {
    border: 2px dashed var(--color-border);
    border-radius: var(--radius);
    padding: var(--space-2xl);
    text-align: center;
    background: var(--color-bg);
    transition: border-color 0.2s, background 0.2s;
}

.admin-drop-zone:hover,
.admin-drop-zone-active {
    border-color: var(--color-accent);
    background: rgba(44, 44, 44, 0.03);
}

.admin-drop-zone-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
}

.admin-drop-zone-icon {
    font-size: 2rem;
    opacity: 0.7;
}

.admin-drop-zone-text {
    margin: 0;
    font-family: var(--font-serif);
    font-size: 1.1rem;
    color: var(--color-text);
}

.admin-drop-zone-hint {
    margin: 0;
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.admin-separator-actions {
    margin-bottom: var(--space-md);
}

/* --- Liste admin : grille de miniatures + barres pleine largeur --- */
.admin-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: var(--space-md);
    align-items: start;
}

.admin-list-item {
    padding: var(--space-md);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}

.admin-list-item:hover {
    box-shadow: var(--shadow);
}

.admin-list-item.dragging {
    opacity: 0.85;
    transform: scale(1.03);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    z-index: 10;
}

.admin-list-item.admin-item-just-dropped {
    animation: admin-drop-bounce 0.45s ease;
}

@keyframes admin-drop-bounce {
    0% { transform: scale(1.05); }
    60% { transform: scale(0.98); }
    100% { transform: scale(1); }
}

/* Photo : cellule grille (miniature + légende en colonne) */
.admin-photo-item {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-sm);
}

.admin-photo-item .admin-drag-handle {
    align-self: flex-start;
}

.admin-photo-item .admin-thumb {
    width: 100%;
    height: 100px;
    object-fit: cover;
    border-radius: var(--radius);
    display: block;
}

.admin-photo-item .admin-item-caption-wrap {
    min-width: 0;
}

.admin-photo-item .admin-caption-input {
    width: 100%;
    max-width: none;
    font-size: 0.85rem;
    padding: var(--space-xs) var(--space-sm);
}

.admin-photo-item .admin-btn-delete {
    margin-top: auto;
    font-size: 0.85rem;
}

/* Barre de séparation : toute la largeur */
.admin-separator-item {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: var(--space-lg);
    flex-wrap: wrap;
}

.admin-separator-item .admin-separator-preview {
    flex: 1;
    min-width: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.admin-separator-preview-line {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-border);
    border-radius: 1px;
}

.admin-separator-item .admin-item-caption-wrap {
    flex: 1;
    min-width: 180px;
}

.admin-separator-label-input {
    max-width: 280px;
}

.admin-drag-handle {
    cursor: grab;
    color: var(--color-text-muted);
    font-size: 1.1rem;
    user-select: none;
    padding: var(--space-xs);
}

.admin-drag-handle:active {
    cursor: grabbing;
}

.admin-thumb {
    object-fit: cover;
    border-radius: var(--radius);
}

.admin-item-caption-wrap {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    min-width: 0;
}

.admin-caption-label {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.admin-caption-input {
    width: 100%;
    max-width: 400px;
}

.admin-btn-delete {
    flex-shrink: 0;
}

.admin-export-desc {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    margin: 0;
}

/* --- Form global --- */
.form-label {
    font-size: 0.9rem;
    color: var(--color-text);
}

.form-input {
    padding: var(--space-sm) var(--space-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-family: var(--font-sans);
    font-size: 1rem;
    background: var(--color-bg-card);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-accent);
}

.form-status {
    margin: var(--space-sm) 0 0 0;
    font-size: 0.9rem;
}

.form-status.success {
    color: #2d5a2d;
}

.form-status.error {
    color: var(--color-danger);
}

/* --- Buttons --- */
.btn {
    padding: var(--space-sm) var(--space-lg);
    border: none;
    border-radius: var(--radius);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
}

.btn-primary {
    background: var(--color-accent);
    color: #fff;
}

.btn-primary:hover {
    background: #1a1a1a;
}

.btn-block {
    width: 100%;
}

.btn-danger {
    background: transparent;
    color: var(--color-danger);
    border: 1px solid var(--color-danger);
}

.btn-danger:hover {
    background: var(--color-danger);
    color: #fff;
}

.btn-secondary {
    background: transparent;
    color: var(--color-accent);
    border: 1px solid var(--color-accent);
}

.btn-secondary:hover {
    background: var(--color-accent);
    color: #fff;
}

/* --- En-tête section galerie (séparateur cliquable) --- */
.gallery-section-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-xl) 0;
    cursor: pointer;
    transition: opacity 0.2s ease;
}

.gallery-section-header:hover {
    opacity: 0.85;
}

.gallery-section-header:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: 4px;
}

.gallery-section-header-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
}

.gallery-section-toggle-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-accent);
    transition: transform 0.5s cubic-bezier(0.33, 1, 0.68, 1);
}

.gallery-section.collapsed .gallery-section-toggle-icon {
    transform: rotate(0deg);
}

.gallery-section:not(.collapsed) .gallery-section-toggle-icon {
    transform: rotate(90deg);
}

.gallery-separator-line {
    width: 100%;
    max-width: 120px;
    height: 1px;
    background: var(--color-border);
}

.gallery-separator-label {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    font-weight: 600;
    font-style: italic;
    color: var(--color-text);
    letter-spacing: 0.03em;
}

/* --- Séparateur galerie (grille admin, variante) --- */
.gallery-separator {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-xl) 0;
}

/* Section galerie repliée : max-height géré par JS pour l'animation */
.gallery-section.collapsed .gallery-section-body {
    overflow: hidden;
    position: relative;
    min-height: 0;
}

.gallery-section.collapsed .gallery-section-body::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 50px;
    background: linear-gradient(to bottom, transparent, var(--color-bg));
    pointer-events: none;
}

/* Bouton "Lire plus" / "Read more" sous les sections repliées */
.gallery-section-more {
    margin-top: var(--space-md);
    text-align: center;
}

.gallery-section-more-btn {
    background: none;
    border: none;
    padding: var(--space-xs) var(--space-md);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    cursor: pointer;
    position: relative;
}

.gallery-section-more-btn::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: 0;
    width: 32px;
    height: 1px;
    background: var(--color-border);
    transform: translateX(-50%);
}

.gallery-section-more-btn:hover {
    color: var(--color-accent);
}

/* --- Lightbox --- */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
    background: rgba(0, 0, 0, 0.92);
    opacity: 1;
    transition: opacity 0.2s;
}

.lightbox.lightbox-closed {
    opacity: 0;
    pointer-events: none;
}

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

.lightbox-close,
.lightbox-prev,
.lightbox-next {
    position: absolute;
    z-index: 10;
    width: 48px;
    height: 48px;
    min-width: 48px;
    min-height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    border: none;
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    font-size: 1.75rem;
    cursor: pointer;
    border-radius: 50%;
    transition: background 0.2s;
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
    background: rgba(255, 255, 255, 0.25);
}

.lightbox-close {
    top: var(--space-md);
    right: var(--space-md);
    font-size: 2rem;
    line-height: 1;
}

.lightbox-prev {
    left: var(--space-md);
    top: 50%;
    transform: translateY(-50%);
}

.lightbox-next {
    right: var(--space-md);
    top: 50%;
    transform: translateY(-50%);
}

.lightbox-content {
    position: relative;
    z-index: 2;
    max-width: 95vw;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.lightbox-img {
    max-width: 100%;
    max-height: 80vh;
    width: auto;
    height: auto;
    object-fit: contain;
}

.lightbox-caption-wrap {
    margin-top: var(--space-md);
    padding: var(--space-sm) var(--space-md);
    text-align: center;
}

.lightbox-caption {
    margin: 0;
    font-family: var(--font-serif);
    font-size: 1rem;
    font-style: italic;
    color: rgba(255, 255, 255, 0.9);
}

.lightbox-caption-empty {
    display: none;
}

.lightbox-ui-hidden .lightbox-close,
.lightbox-ui-hidden .lightbox-prev,
.lightbox-ui-hidden .lightbox-next,
.lightbox-ui-hidden .lightbox-caption-wrap {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s;
}

/* --- Footer --- */
/* --- Section Contact --- */
.contact-section {
    margin-top: var(--space-3xl);
    padding: var(--space-2xl) var(--space-lg);
    text-align: center;
    border-top: 1px solid var(--color-border);
}

.contact-heading {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0 0 var(--space-md) 0;
    letter-spacing: 0.02em;
}

.contact-text {
    margin: 0 0 var(--space-sm) 0;
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

.contact-email {
    display: inline-block;
    font-size: 1.1rem;
    color: var(--color-accent);
    text-decoration: none;
}

.contact-email:hover {
    text-decoration: underline;
}

.contact-form {
    max-width: 480px;
    margin: var(--space-xl) auto 0;
    text-align: left;
}

.contact-field {
    margin-bottom: var(--space-md);
}

.contact-label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: var(--space-xs);
    color: var(--color-text);
}

.contact-input,
.contact-textarea {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font: inherit;
    font-size: 1rem;
    box-sizing: border-box;
}

.contact-textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-submit {
    margin-top: var(--space-sm);
}

.contact-form-status {
    margin: var(--space-md) 0 0 0;
    font-size: 0.95rem;
    min-height: 1.4em;
}

.contact-form-status-success {
    color: var(--color-success, #2e7d32);
}

.contact-form-status-error {
    color: var(--color-error, #c62828);
}

/* --- Footer --- */
.site-footer {
    padding: var(--space-lg) var(--space-xl);
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.footer-text {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* --- Mobile / tactile --- */
@media (max-width: 640px) {
    html {
        font-size: 16px;
    }

    .main-content {
        padding: var(--space-md);
    }

    .site-header {
        padding: var(--space-md) var(--space-lg);
    }

    .gallery-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    .gallery-section-intro,
    .gallery-section-body {
        grid-template-columns: 1fr;
    }

    .gallery-item-image-wrap {
        min-height: 44px;
        cursor: pointer;
        -webkit-tap-highlight-color: transparent;
    }

    .gallery-item-image-wrap:focus {
        outline: 2px solid var(--color-accent);
        outline-offset: 2px;
    }

    .admin-list {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-sm);
    }

    .admin-caption-input,
    .admin-separator-label-input {
        max-width: none;
    }

    .admin-drop-zone {
        padding: var(--space-xl);
    }

    .lightbox-close,
    .lightbox-prev,
    .lightbox-next {
        width: 44px;
        height: 44px;
        min-width: 44px;
        min-height: 44px;
    }

    .lightbox-prev {
        left: var(--space-sm);
    }

    .lightbox-next {
        right: var(--space-sm);
    }

    .lightbox-close {
        top: var(--space-sm);
        right: var(--space-sm);
    }
}