@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600&display=swap');

:root {
    --radius-sm: 10px;
    --radius: 16px;
    --radius-lg: 24px;
    --shadow: 0 20px 60px -10px rgba(0,0,0,.5);
    --ease: cubic-bezier(.22,1,.36,1);
}

html[data-admin-theme="dark"] {
    --bg: #08080d;
    --bg-radial-1: #241a4a;
    --bg-radial-2: #1a2f4a;
    --bg-radial-opacity: .85;
    --header-bg: rgba(8,8,13,.65);
    --surface: rgba(255,255,255,.045);
    --surface-hover: rgba(255,255,255,.075);
    --surface-solid: #14141c;
    --border: rgba(255,255,255,.09);
    --border-strong: rgba(255,255,255,.16);
    --text: #f4f4f8;
    --text-dim: #9696a8;
    --text-faint: #63636f;
    --accent: #7C6CF6;
    --accent-2: #5B4FE0;
    --accent-soft: rgba(124,108,246,.14);
    --danger: #ff5c72;
    --success: #3ddc8a;
    --shadow: 0 20px 60px -10px rgba(0,0,0,.5);
}

html[data-admin-theme="light"] {
    --bg: #f7f6f3;
    --bg-radial-1: #cfc4ff;
    --bg-radial-2: #c2e0ff;
    --bg-radial-opacity: .5;
    --header-bg: rgba(247,246,243,.75);
    --surface: rgba(20,20,30,.03);
    --surface-hover: rgba(20,20,30,.055);
    --surface-solid: #ffffff;
    --border: rgba(20,20,30,.09);
    --border-strong: rgba(20,20,30,.16);
    --text: #17171c;
    --text-dim: #5c5c6a;
    --text-faint: #9d9da8;
    --accent: #6C5CE7;
    --accent-2: #5142d6;
    --accent-soft: rgba(108,92,231,.1);
    --danger: #e0334c;
    --success: #1f9d5c;
    --shadow: 0 20px 50px -12px rgba(30,20,60,.14);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: 'Inter', -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { font-family: 'Space Grotesk', sans-serif; letter-spacing: -.02em; }

a { color: var(--accent); }

::selection { background: var(--accent-soft); }

/* Halo de fond ambiant, discret et fluide */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    z-index: -1;
    opacity: var(--bg-radial-opacity, .85);
    background:
        radial-gradient(650px circle at 15% -10%, color-mix(in srgb, var(--bg-radial-1) 55%, transparent), transparent 60%),
        radial-gradient(550px circle at 100% 10%, color-mix(in srgb, var(--bg-radial-2) 45%, transparent), transparent 60%);
    animation: driftGlow 22s ease-in-out infinite alternate;
}
@keyframes driftGlow {
    from { transform: translate3d(0,0,0); }
    to   { transform: translate3d(-10px, 15px, 0); }
}

/* ===== Bouton bascule thème clair/sombre (admin) ===== */
.theme-toggle-btn {
    width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--border);
    background: var(--surface); color: var(--text); cursor: pointer; font-size: 1.05rem;
    display: flex; align-items: center; justify-content: center;
    transition: all .25s var(--ease);
}
.theme-toggle-btn:hover { background: var(--surface-hover); border-color: var(--border-strong); }
.theme-toggle-btn-floating {
    position: fixed; top: 20px; right: 20px; z-index: 60;
    background: var(--surface-solid); box-shadow: var(--shadow);
}

/* ===== Header ===== */
.admin-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 32px;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    background: var(--header-bg);
    backdrop-filter: blur(16px) saturate(140%);
    z-index: 50;
}
.admin-header h1 { font-size: 1.1rem; margin: 0; display: flex; align-items: center; gap: 10px; font-weight: 700; }
.admin-header h1 i { color: var(--accent); font-size: 1.25rem; }

.admin-main { max-width: 1200px; margin: 0 auto; padding: 40px 24px 80px; }

.back-link {
    display: inline-flex; align-items: center; gap: 6px; margin-bottom: 24px;
    color: var(--text-dim); text-decoration: none; font-size: .88rem; transition: color .2s var(--ease);
}
.back-link:hover { color: var(--text); }

/* ===== Boutons ===== */
.btn-primary, .btn-ghost, .btn-danger {
    border: none;
    border-radius: 12px;
    padding: 12px 20px;
    font-size: .89rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .2s var(--ease), opacity .2s var(--ease);
    font-family: inherit;
}
.btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: #fff;
    box-shadow: 0 8px 24px -6px rgba(124,108,246,.55);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 30px -6px rgba(124,108,246,.7); }
.btn-ghost { background: var(--surface); color: var(--text); border: 1px solid var(--border); }
.btn-ghost:hover { background: var(--surface-hover); border-color: var(--border-strong); transform: translateY(-1px); }
.btn-danger { background: rgba(255,92,114,.1); color: var(--danger); border: 1px solid rgba(255,92,114,.25); }
.btn-danger:hover { background: rgba(255,92,114,.18); transform: translateY(-1px); }

/* ===== Toolbar / grille albums ===== */
.admin-toolbar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 28px; flex-wrap: wrap; gap: 14px; }
.admin-toolbar h2 { margin: 0; font-size: 1.5rem; }
.empty-state { color: var(--text-dim); text-align: center; padding: 90px 0; font-size: .95rem; }
.empty-state i { font-size: 2.4rem; display: block; margin-bottom: 14px; color: var(--text-faint); }

.album-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 18px;
}
.album-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    text-decoration: none;
    color: var(--text);
    display: block;
    backdrop-filter: blur(8px);
    transition: transform .35s var(--ease), border-color .3s var(--ease), background .3s var(--ease);
    position: relative;
}
.album-card:hover { transform: translateY(-5px); border-color: var(--border-strong); background: var(--surface-hover); }
.album-card-color {
    height: 100px;
    background: linear-gradient(135deg, var(--accent), color-mix(in srgb, var(--accent) 30%, #05050a));
    position: relative;
    overflow: hidden;
}
.album-card-color::after {
    content: ''; position: absolute; inset: 0;
    background: radial-gradient(circle at 30% 120%, rgba(255,255,255,.35), transparent 60%);
}
.album-card-body { padding: 18px 18px 20px; }
.album-card-body h3 { margin: 0 0 4px; font-size: 1.05rem; font-weight: 600; }
.album-card-body p { margin: 0; color: var(--text-dim); font-size: .82rem; }
.album-card-badges { margin-top: 12px; display: flex; gap: 6px; flex-wrap: wrap; }
.badge { font-size: .72rem; background: var(--surface-solid); padding: 4px 10px; border-radius: 20px; color: var(--text-dim); display: inline-flex; align-items: center; gap: 5px; border: 1px solid var(--border); }

/* ===== Modal ===== */
.modal-overlay {
    position: fixed; inset: 0; background: rgba(4,4,8,.7); backdrop-filter: blur(4px);
    display: none; align-items: center; justify-content: center; z-index: 100; padding: 20px;
}
.modal-overlay.open { display: flex; animation: fadeIn .25s var(--ease); }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.modal-box {
    background: var(--surface-solid); border: 1px solid var(--border-strong);
    border-radius: var(--radius-lg); padding: 30px; max-width: 420px; width: 100%;
    box-shadow: var(--shadow);
    animation: modalPop .3s var(--ease);
}
@keyframes modalPop { from { opacity: 0; transform: translateY(10px) scale(.98); } to { opacity: 1; transform: translateY(0) scale(1); } }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 20px; }

/* ===== Formulaires ===== */
label { display: block; margin: 16px 0 7px; font-size: .82rem; color: var(--text-dim); font-weight: 500; }
input[type=text], input[type=password], textarea {
    width: 100%; padding: 12px 14px; border-radius: var(--radius-sm); border: 1px solid var(--border);
    background: var(--surface-solid); color: var(--text); font-size: .93rem; font-family: inherit;
    transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
input[type=text]:focus, input[type=password]:focus, textarea:focus {
    outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft);
}
input[type=color].color-input { width: 56px; height: 42px; padding: 3px; border-radius: 10px; border: 1px solid var(--border); background: var(--surface-solid); cursor: pointer; }
textarea { resize: vertical; }
.checkbox-label { display: flex; align-items: center; gap: 9px; color: var(--text); font-size: .9rem; margin-top: 16px; cursor: pointer; }
.checkbox-label input { width: auto; accent-color: var(--accent); }
.hint { color: var(--text-dim); font-size: .84rem; margin: 4px 0; display: flex; align-items: center; gap: 6px; }
hr { border: none; border-top: 1px solid var(--border); margin: 26px 0; }

/* ===== Sélecteur thème général (clair/sombre) ===== */
.mode-toggle { display: flex; gap: 10px; margin-top: 8px; }
.mode-option {
    flex: 1; display: flex; flex-direction: column; align-items: center; gap: 8px;
    padding: 16px 10px; border-radius: var(--radius); border: 1.5px solid var(--border);
    background: var(--surface-solid); cursor: pointer; transition: all .25s var(--ease); color: var(--text-dim);
}
.mode-option i { font-size: 1.3rem; }
.mode-option span { font-size: .82rem; font-weight: 600; }
.mode-option:hover { border-color: var(--border-strong); }
.mode-option.selected, .mode-option:has(input:checked) { border-color: var(--accent); background: var(--accent-soft); color: var(--text); }
.mode-option input { display: none; }

/* ===== Sélecteur thème typographique ===== */
.font-theme-grid { display: grid; grid-template-columns: 1fr; gap: 10px; margin-top: 8px; }
.font-theme-card {
    border: 1.5px solid var(--border); border-radius: var(--radius); padding: 14px 16px;
    cursor: pointer; background: var(--surface-solid); transition: all .25s var(--ease); position: relative;
}
.font-theme-card:hover { border-color: var(--border-strong); }
.font-theme-card.selected, .font-theme-card:has(input:checked) { border-color: var(--accent); background: var(--accent-soft); }
.font-theme-card input { display: none; }
.font-theme-card .ft-label { font-size: .95rem; font-weight: 700; margin-bottom: 2px; display: flex; align-items: center; gap: 8px; }
.font-theme-card .ft-desc { font-size: .78rem; color: var(--text-dim); margin-bottom: 8px; }
.font-theme-card .ft-preview-title { font-size: 1.05rem; line-height: 1.2; }
.font-theme-card .ft-preview-sub { font-size: .8rem; margin: 3px 0; opacity: .85; }
.font-theme-card .ft-preview-text { font-size: .82rem; color: var(--text-dim); }
.font-theme-card.selected::after, .font-theme-card:has(input:checked)::after {
    content: '\F633'; font-family: 'bootstrap-icons'; position: absolute; top: 14px; right: 14px;
    color: var(--accent); font-size: 1.1rem;
}

/* ===== Login ===== */
.login-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 20px; }
.login-box {
    background: var(--surface-solid); border: 1px solid var(--border-strong);
    padding: 44px 38px; border-radius: var(--radius-lg); width: 100%; max-width: 380px; text-align: center;
    box-shadow: var(--shadow);
    animation: modalPop .4s var(--ease);
}
.login-icon {
    width: 56px; height: 56px; border-radius: 16px; margin: 0 auto 6px;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    display: flex; align-items: center; justify-content: center; font-size: 1.5rem; color: #fff;
    box-shadow: 0 10px 30px -6px rgba(124,108,246,.6);
}
.login-box h1 { margin: 14px 0 2px; font-size: 1.4rem; }
.login-sub { color: var(--text-dim); margin-bottom: 22px; font-size: .88rem; }
.login-box button { width: 100%; margin-top: 16px; justify-content: center; }
.login-box input { text-align: center; }
.error-msg { color: var(--danger); font-size: .85rem; display: flex; align-items: center; justify-content: center; gap: 6px; }

/* ===== Gestion album ===== */
.flash-success {
    background: rgba(61,220,138,.1); color: var(--success); padding: 13px 18px; border-radius: var(--radius-sm);
    margin-bottom: 22px; font-size: .88rem; display: flex; align-items: center; gap: 8px;
    border: 1px solid rgba(61,220,138,.25);
}
.album-manage-grid { display: grid; grid-template-columns: 400px 1fr; gap: 22px; align-items: start; }
.panel {
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
    padding: 26px; backdrop-filter: blur(8px);
}
.panel h2 { margin-top: 0; font-size: 1.05rem; display: flex; align-items: center; gap: 8px; }
.panel h2 i { color: var(--accent); }
.panel h3 { font-size: .95rem; display: flex; align-items: center; gap: 8px; }

.share-link { display: flex; gap: 8px; }
.share-link input { flex: 1; font-family: monospace; font-size: .82rem; }

/* Dropzone */
.dropzone {
    border: 1.5px dashed var(--border-strong);
    border-radius: var(--radius-lg);
    padding: 40px 20px;
    text-align: center;
    color: var(--text-dim);
    cursor: pointer;
    transition: all .25s var(--ease);
    margin-bottom: 20px;
}
.dropzone i { font-size: 1.8rem; display: block; margin-bottom: 8px; color: var(--text-faint); transition: color .25s var(--ease); }
.dropzone:hover, .dropzone.dragover { border-color: var(--accent); background: var(--accent-soft); color: var(--text); }
.dropzone:hover i, .dropzone.dragover i { color: var(--accent); }

.upload-progress { margin-bottom: 20px; }
.upload-progress-bar { height: 6px; background: var(--surface-solid); border-radius: 20px; overflow: hidden; }
#uploadProgressFill { height: 100%; width: 0%; background: linear-gradient(90deg, var(--accent), var(--accent-2)); transition: width .25s var(--ease); border-radius: 20px; }
#uploadProgressText { font-size: .8rem; color: var(--text-dim); display: block; margin-top: 7px; }

.photo-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 10px; }
.photo-thumb {
    position: relative; aspect-ratio: 1; border-radius: var(--radius-sm); overflow: hidden;
    background: var(--surface-solid); border: 1px solid var(--border); cursor: grab;
}
.photo-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .3s var(--ease); pointer-events: none; }
.photo-thumb:hover img { transform: scale(1.06); }
.photo-thumb.is-selected { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-soft); }
.photo-thumb-ghost { opacity: .3; }
.photo-thumb-chosen { cursor: grabbing; }

.photo-checkbox-wrap {
    position: absolute; top: 6px; left: 6px; z-index: 2; cursor: pointer;
}
.photo-checkbox-wrap input { display: none; }
.photo-checkbox-box {
    width: 22px; height: 22px; border-radius: 7px; background: rgba(0,0,0,.4); border: 1.5px solid rgba(255,255,255,.6);
    display: flex; align-items: center; justify-content: center; color: transparent; font-size: .8rem;
    backdrop-filter: blur(4px); transition: all .2s var(--ease);
}
.photo-checkbox-wrap input:checked + .photo-checkbox-box { background: var(--accent); border-color: var(--accent); color: #fff; }
.photo-thumb:hover .photo-checkbox-box { border-color: #fff; }

.photo-delete-btn {
    position: absolute; top: 6px; right: 6px; width: 26px; height: 26px; border-radius: 50%;
    background: rgba(0,0,0,.55); color: #fff; border: none; cursor: pointer; font-size: .75rem;
    display: flex; align-items: center; justify-content: center; backdrop-filter: blur(4px);
    opacity: 0; transition: opacity .2s var(--ease), background .2s var(--ease); z-index: 2;
}
.photo-thumb:hover .photo-delete-btn { opacity: 1; }
.photo-delete-btn:hover { background: var(--danger); }

.grid-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 14px; flex-wrap: wrap; }
.grid-toolbar .hint { margin: 0; }
.btn-sm { padding: 8px 14px; font-size: .82rem; }

.bulk-bar {
    display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
    background: var(--accent-soft); border: 1px solid var(--accent); border-radius: var(--radius-sm);
    padding: 12px 16px; margin-bottom: 16px; font-size: .88rem; font-weight: 600;
}
.bulk-bar-actions { display: flex; gap: 8px; }

@media (max-width: 860px) {
    .album-manage-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
    .admin-header { padding: 14px 18px; }
    .admin-main { padding: 26px 14px 60px; }
    .photo-delete-btn { opacity: 1; }
}

/* ===== Validation de formulaire personnalisée ===== */
.field-error {
    color: var(--danger); font-size: .8rem; margin-top: -10px; margin-bottom: 14px;
    display: flex; align-items: center; gap: 6px;
}
input.field-invalid, textarea.field-invalid { border-color: var(--danger) !important; }
@keyframes uiShake {
    10%, 90% { transform: translateX(-1px); }
    20%, 80% { transform: translateX(2px); }
    30%, 50%, 70% { transform: translateX(-4px); }
    40%, 60% { transform: translateX(4px); }
}
.shake { animation: uiShake .4s; }

/* ===== Toasts ===== */
.ui-toast-container {
    position: fixed; bottom: 24px; right: 24px; z-index: 500;
    display: flex; flex-direction: column; gap: 10px; max-width: 360px;
}
.ui-toast {
    background: var(--surface-solid); border: 1px solid var(--border-strong); color: var(--text);
    border-radius: var(--radius-sm); padding: 13px 16px; box-shadow: var(--shadow);
    display: flex; align-items: center; gap: 10px; font-size: .87rem; font-weight: 500;
    transform: translateX(20px); opacity: 0; transition: all .3s var(--ease);
    border-left: 3px solid var(--accent);
}
.ui-toast.show { transform: translateX(0); opacity: 1; }
.ui-toast-success { border-left-color: var(--success); }
.ui-toast-success i { color: var(--success); }
.ui-toast-error { border-left-color: var(--danger); }
.ui-toast-error i { color: var(--danger); }
.ui-toast-info i { color: var(--accent); }

/* ===== Boîte de confirmation personnalisée ===== */
.ui-confirm-box .ui-confirm-message { color: var(--text-dim); font-size: .9rem; line-height: 1.5; margin: 6px 0 0; }