/* ==========================================================================
   1. VARIABLES & RESET
   ========================================================================== */
:root {
    --bg-main: #faf7f2;          /* Crème chaud */
    --bg-card: #ffffff;          /* Blanc pur */
    --bg-footer: #1c1917;        /* Anthracite chaud */
    --border-color: #e7e0d6;     /* Bordure beige subtile */
    --border-focus: #c49a6c;     /* Doré chaud au survol */
    
    --text-primary: #292524;     /* Ébène / Brun foncé */
    --text-muted: #78716c;       /* Taupe / Gris chaud */
    --text-light: #f5f5f4;       /* Texte clair pour zones sombres */
    
    --accent: #b48356;           /* Bronze / Doré chaud */
    --accent-hover: #96673d;     /* Bronze soutenu */
    --accent-soft: #f4ece1;      /* Fond d'accentuation doux */
    --danger: #dc2626;
    
    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Plus Jakarta Sans', -apple-system, sans-serif;
    
    --shadow-sm: 0 2px 8px rgba(41, 37, 36, 0.04);
    --shadow-md: 0 12px 32px -8px rgba(41, 37, 36, 0.08);
    --shadow-lg: 0 20px 40px -12px rgba(41, 37, 36, 0.12);
}

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

body {
    margin: 0;
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 15px;
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

/* ==========================================================================
   2. EN-TÊTE & NAVIGATION
   ========================================================================== */
.site-header {
    background-color: rgba(250, 247, 242, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    padding: 24px 32px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-container {
    max-width: 1320px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand-logo {
    font-family: var(--font-heading);
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
    letter-spacing: 3px;
    font-size: 18px;
    text-transform: uppercase;
}

.brand-logo span {
    color: var(--accent);
    font-weight: 400;
}

.main-nav a {
    color: var(--text-primary);
    text-decoration: none;
    margin-left: 32px;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: color 0.2s ease;
}

.main-nav a:hover {
    color: var(--accent);
}

/* ==========================================================================
   3. STRUCTURE DU CONTENU PRINCIPAL
   ========================================================================== */
.site-main {
    flex: 1;
    max-width: 1320px;
    width: 100%;
    margin: 0 auto;
    padding: 60px 32px;
}

.page-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 56px auto;
}

.page-title {
    font-family: var(--font-heading);
    font-size: 38px;
    font-weight: 500;
    color: var(--text-primary);
    margin: 0 0 12px 0;
    letter-spacing: -0.5px;
}

.page-subtitle {
    color: var(--text-muted);
    font-size: 16px;
    margin: 0;
    font-weight: 400;
}

.text-muted { color: var(--text-muted); }

.text-link {
    color: var(--accent);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.5px;
    transition: color 0.2s;
}

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

/* ==========================================================================
   4. GALERIE D'ALBUMS (INDEX)
   ========================================================================== */
.album-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 32px;
}

.album-card {
    display: block;
    text-decoration: none;
    border-radius: 12px;
    overflow: hidden;
    background-color: var(--bg-card);
    box-shadow: var(--shadow-md);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.album-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.album-cover-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background-color: #1c1917;
}

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

.album-card:hover .album-cover-img {
    transform: scale(1.06);
}

.album-cover-placeholder {
    width: 100%;
    height: 100%;
    background-color: var(--border-color);
}

.album-card-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 48px 24px 20px 24px;
    background: linear-gradient(to top, rgba(15, 12, 10, 0.92) 0%, rgba(15, 12, 10, 0.55) 60%, transparent 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.album-card-title {
    font-family: var(--font-heading);
    color: #ffffff;
    margin: 0 0 4px 0;
    font-size: 24px;
    font-weight: 600;
    line-height: 1.25;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.album-card-date {
    color: #f4ece1;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.5px;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

/* ==========================================================================
   5. PAGE ALBUM & GRILLE DE PHOTOS
   ========================================================================== */
.album-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 32px;
    flex-wrap: wrap;
    gap: 24px;
}

.album-actions {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
}

.photo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
    margin-top: 40px;
}

.photo-card {
    position: relative;
    aspect-ratio: 4 / 3;
    border-radius: 8px;
    overflow: hidden;
    background-color: #eee;
    box-shadow: var(--shadow-sm);
    border: 3px solid transparent;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.photo-card:hover {
    transform: scale(1.01);
    box-shadow: var(--shadow-md);
}

.photo-card.selected {
    border-color: var(--accent);
    box-shadow: var(--shadow-md);
}

.photo-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}

.photo-card:hover img {
    transform: scale(1.03);
}

.checkbox-wrapper {
    position: absolute;
    top: 14px;
    left: 14px;
    z-index: 10;
    background: rgba(255, 255, 255, 0.9);
    padding: 6px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    box-shadow: var(--shadow-sm);
}

.photo-checkbox {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--accent);
}

/* ==========================================================================
   6. ADMINISTRATION & FORMULAIRES
   ========================================================================== */
.auth-box, .admin-box {
    max-width: 480px;
    margin: 40px auto;
    background: var(--bg-card);
    padding: 48px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
}

.admin-box {
    max-width: 580px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group-last {
    margin-bottom: 32px;
}

.form-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-main);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 6px;
    font-size: 14px;
    font-family: var(--font-body);
    transition: border-color 0.2s;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent);
    background: #fff;
}

/* Sélecteur de fichier personnalisé */
.custom-file-upload {
    display: flex;
    align-items: center;
    gap: 16px;
    background-color: #ffffff;
    border: 1px solid var(--border-color);
    padding: 8px 12px 8px 8px;
    border-radius: 6px;
    transition: border-color 0.2s;
}

.custom-file-upload:hover {
    border-color: var(--accent);
}

.file-input-hidden {
    display: none;
}

.file-upload-btn {
    background-color: var(--bg-main);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 10px 18px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.file-upload-btn:hover {
    background-color: var(--accent-soft);
    border-color: var(--accent);
    color: var(--accent-hover);
}

.file-upload-text {
    font-size: 13px;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-upload-text.has-file {
    color: var(--text-primary);
    font-weight: 500;
}

.alert-error {
    color: var(--danger);
    font-size: 14px;
    background: #fef2f2;
    padding: 12px 16px;
    border-radius: 6px;
    border: 1px solid #fecaca;
    margin-bottom: 24px;
}

.alert-success {
    color: var(--accent-hover);
    font-size: 14px;
    background: var(--accent-soft);
    padding: 14px 18px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    margin-bottom: 24px;
}

.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--text-muted);
    font-size: 16px;
    padding: 60px 0;
}

/* ==========================================================================
   7. BOUTONS & ACTIONS
   ========================================================================== */
.btn {
    padding: 14px 28px;
    border-radius: 6px;
    border: none;
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.25s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

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

.btn-primary:hover:not(:disabled) {
    background-color: var(--accent-hover);
    box-shadow: var(--shadow-sm);
}

.btn-primary:disabled {
    background-color: #e5e0d8;
    color: #a8a29e;
    cursor: not-allowed;
    box-shadow: none;
    opacity: 0.7;
}

.btn-secondary {
    background-color: #ffffff;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--bg-main);
    border-color: var(--accent);
}

.btn-full {
    width: 100%;
}

/* Bouton corbeille admin (aligné à 45px de hauteur) */
.delete-form-inline {
    display: inline-flex;
    align-items: center;
    margin: 0;
}

.btn-delete-album {
    background-color: #fef2f2;
    color: #dc2626;
    border: 1px solid #fecaca;
    height: 45px;
    width: 45px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    padding: 0;
}

.btn-delete-album:hover {
    background-color: #dc2626;
    color: #ffffff;
    border-color: #dc2626;
    box-shadow: var(--shadow-sm);
}

/* ==========================================================================
   8. VISIONNEUSE GRAND FORMAT (LIGHTBOX)
   ========================================================================== */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(15, 12, 10, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    padding: 20px;
}

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

.lightbox-container {
    max-width: 85vw;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.lightbox-container img {
    max-width: 100%;
    max-height: 80vh;
    object-fit: contain;
    border-radius: 4px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
}

.lightbox-counter {
    color: #a8a29e;
    font-size: 13px;
    margin-top: 16px;
    letter-spacing: 1px;
}

.lightbox-close {
    position: absolute;
    top: 24px;
    right: 32px;
    color: #ffffff;
    font-size: 36px;
    cursor: pointer;
    line-height: 1;
    transition: color 0.2s;
    z-index: 1010;
}

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

.lightbox-nav {
    background: transparent;
    border: none;
    color: #ffffff;
    font-size: 32px;
    cursor: pointer;
    padding: 20px;
    transition: color 0.2s, transform 0.2s;
    user-select: none;
    z-index: 1010;
}

.lightbox-nav:hover {
    color: var(--accent);
    transform: scale(1.15);
}

/* ==========================================================================
   9. MENTIONS LÉGALES
   ========================================================================== */
.legal-container {
    max-width: 800px;
    margin: 0 auto;
}

.legal-content {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.legal-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 32px;
    box-shadow: var(--shadow-sm);
}

.legal-section-title {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 16px 0;
}

.legal-card p {
    margin: 0 0 10px 0;
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.6;
}

.legal-card p:last-child {
    margin-bottom: 0;
}

.legal-card strong {
    color: var(--text-primary);
}

/* ==========================================================================
   10. PIED DE PAGE (FOOTER)
   ========================================================================== */
.site-footer {
    background-color: var(--bg-footer);
    color: #a8a29e;
    padding: 64px 32px 32px 32px;
    margin-top: auto;
}

.footer-container {
    max-width: 1320px;
    margin: 0 auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 40px;
    padding-bottom: 48px;
}

.footer-title {
    font-family: var(--font-body);
    color: #f5f5f4;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin: 0 0 20px 0;
}

.footer-text {
    margin: 0 0 4px 0;
    color: #f5f5f4;
    font-size: 15px;
    font-weight: 500;
}

.footer-text-sub {
    margin: 0 0 16px 0;
    color: #a8a29e;
    font-size: 13px;
}

.footer-equipment {
    color: #78716c;
    font-size: 13px;
}

.footer-equipment strong {
    color: #d6d3d1;
    display: block;
    margin-bottom: 8px;
}

.footer-equipment ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-equipment li {
    margin-bottom: 4px;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a, .footer-info a {
    color: #d6d3d1;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s;
}

.footer-links a:hover, .footer-info a:hover {
    color: var(--accent);
}

.footer-info {
    margin: 0 0 16px 0;
    font-size: 14px;
    color: #a8a29e;
}

.footer-info strong {
    color: #d6d3d1;
}

.footer-bottom {
    border-top: 1px solid #292524;
    padding-top: 32px;
    text-align: center;
    font-size: 13px;
    color: #78716c;
}

.footer-bottom p {
    margin: 0 0 8px 0;
}

.footer-legal a {
    color: #a8a29e;
    text-decoration: none;
    transition: color 0.2s;
}

.footer-legal a:hover {
    color: #f5f5f4;
}

/* ==========================================================================
   PORTFOLIO MASONRY (Mélange dynamique horizontal/vertical)
   ========================================================================== */
.portfolio-section {
    margin-bottom: 80px;
}

.portfolio-grid {
    column-count: 4;
    column-gap: 20px;
}

.portfolio-item {
    break-inside: avoid;
    margin-bottom: 24px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.portfolio-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.portfolio-item img {
    width: 100%;
    height: auto;
    max-height: 400px;
    display: block;
    object-fit: cover;
}

/* Grille Admin pour gérer le portfolio */
.admin-portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 16px;
    margin-top: 16px;
}

.admin-portfolio-card {
    position: relative;
    aspect-ratio: 1;
    border-radius: 6px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.admin-portfolio-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.admin-portfolio-card form {
    position: absolute;
    top: 6px;
    right: 6px;
}

/* Responsive Masonry */
@media (max-width: 900px) {
    .portfolio-grid {
        column-count: 2;
        column-gap: 16px;
    }
}

@media (max-width: 550px) {
    .portfolio-grid {
        column-count: 1;
    }
}