/* ui-primitives.css — Forge Educational System */
/* Source unique des tokens + primitives partagées (editor / viewer / student / index / remote) */

/* ── Design tokens ──────────────────────────────────────── */
:root {
    /* Surfaces — hiérarchie MD3 (tons froids « Forge ») */
    --surface:                   #faf8ff;
    --surface-bright:            #faf8ff;
    --surface-dim:               #dad9e1;
    --surface-container-lowest:  #ffffff;
    --surface-container-low:     #f4f3fa;
    --surface-container:         #eeedf4;
    --surface-container-high:    #e9e7ef;
    --surface-container-highest: #e3e1e9;

    /* Texte */
    --on-surface:         #1a1b21;
    --on-surface-variant: #444651;
    --on-surface-muted:   #757682;
    --inverse-surface:    #2f3036;
    --inverse-on-surface: #f1f0f7;

    /* Primaire — bleu Oxford */
    --primary:                    #1e3a8a;
    --primary-hover:              #00236f;
    --primary-container:          #1e3a8a;
    --primary-fixed:              #dce1ff;
    --primary-fixed-dim:          #b6c4ff;
    --inverse-primary:            #b6c4ff;
    --on-primary:                 #ffffff;
    --on-primary-fixed:           #00164e;
    --on-primary-fixed-variant:   #264191;

    /* Secondaire — ambre « Forge » (accents d'action stratégiques) */
    --secondary:                  #fea619;
    --secondary-container:        #ffddb8;
    --on-secondary:               #ffffff;
    --on-secondary-container:     #684000;
    --on-secondary-fixed-variant: #653e00;
    --secondary-fixed:            var(--tertiary); /* rétro-compat (ancienne valeur lime) */

    /* Tertiaire : vert d'état Signature (badges « New », public ; usage rare). Plus de lime. */
    --tertiary:                   var(--ok);
    --tertiary-container:         var(--ok-fond);
    --on-tertiary-container:      var(--ok);

    /* États */
    --success:            #2e7d32;
    --success-light:      #e8f5e9;
    --danger:             #c62828;
    --danger-light:       #ffebee;
    --warning:            #e65100;
    --error:              #ba1a1a;
    --error-container:    #ffdad6;
    --on-error-container: #93000a;

    /* Outline */
    --outline:         #757682;
    --outline-variant: #c5c5d3;

    /* Border-radius */
    --radius-sm:   0.25rem;
    --radius-md:   0.75rem;
    --radius-lg:   1rem;
    --radius-pill: 999px;

    /* Espacement — base 8 */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-8: 32px;

    /* Élévation (kit Stitch : 0 plancher · 1 subtil · 2 cartes · 3 overlays) */
    --shadow-sm:      0 1px 2px rgba(17, 17, 26, 0.04);
    --shadow-ambient: 0 4px 20px rgba(17, 17, 26, 0.05);
    --shadow-md:      0 4px 20px rgba(17, 17, 26, 0.05), 0 1px 3px rgba(17, 17, 26, 0.04);
    --shadow-overlay: 0 12px 32px rgba(17, 17, 26, 0.10);
    --elev-1: var(--shadow-sm);
    --elev-2: var(--shadow-ambient);
    --elev-3: var(--shadow-overlay);

    /* Focus */
    --focus-ring-color: var(--cote);

    /* Typographie */
    --font-editorial: 'Inter Tight', system-ui, sans-serif;
    --font-ui:        'Inter Tight', system-ui, sans-serif;
    --font-mono:      'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

    /* Alias utilisés par les composants ci-dessous */
    --ui-font:         var(--font-ui);
    --ui-radius-sm:    var(--radius-sm);
    --ui-radius-md:    var(--radius-md);
    --ui-bg:           var(--surface-container-lowest);
    --ui-bg-hover:     var(--surface-container-high);
    --ui-text:         var(--on-surface);
    --ui-muted:        var(--on-surface-muted);
    --ui-primary:      var(--primary);
    --ui-success:      var(--success);
    --ui-warning:      var(--warning);
    --ui-danger:       var(--danger);
    --ui-overlay:      rgba(17, 17, 26, 0.45);
    --ui-panel:        var(--surface-container-lowest);
    --ui-shadow:       var(--shadow-ambient);
    --ui-border:       var(--outline-variant);
}

/* ── Thème sombre — page entière (:root/body.dark) OU sous-arbre scoppé
   (n'importe quel élément portant data-theme="dark", ex. #presenter-view). ── */
:root[data-theme="dark"],
[data-theme="dark"],
body.dark {
    --surface:                   #131318;
    --surface-bright:            #1c1d24;
    --surface-dim:               #0d0d11;
    --surface-container-lowest:  #0f0f13;
    --surface-container-low:     #17171d;
    --surface-container:         #1b1b22;
    --surface-container-high:    #26262f;
    --surface-container-highest: #313139;

    --on-surface:         #e5e4ee;
    --on-surface-variant: #c6c6d2;
    --on-surface-muted:   #8f909e;
    --inverse-surface:    #e5e4ee;
    --inverse-on-surface: #1a1b21;

    --primary:                    #b6c4ff;
    --primary-hover:              #ccd5ff;
    --primary-container:          #264191;
    --primary-fixed:              #264191;
    --primary-fixed-dim:          #b6c4ff;
    --on-primary:                 #06164a;
    --on-primary-fixed:           #dce1ff;
    --on-primary-fixed-variant:   #b6c4ff;

    --secondary:                  #ffb95f;
    --secondary-container:        #653e00;
    --on-secondary:               #452b00;
    --on-secondary-container:     #ffddb8;

    --tertiary:                   var(--ok);
    --tertiary-container:         var(--ok-fond);
    --on-tertiary-container:      var(--ok);

    /* mi-saturés : tiennent aussi en APLAT avec texte blanc (cf. audit P1-2) */
    --success:            #4a9c50;
    --success-light:      #1e3a20;
    --danger:             #d9524a;
    --danger-light:       #3a1512;
    --warning:            #d98a2b;
    --error:              #ff5449;
    --error-container:    #93000a;
    --on-error-container: #ffdad6;

    --outline:         #8f909e;
    --outline-variant: #3a3a45;

    --shadow-sm:      0 1px 2px rgba(0, 0, 0, 0.40);
    --shadow-ambient: 0 4px 20px rgba(0, 0, 0, 0.50);
    --shadow-md:      0 4px 20px rgba(0, 0, 0, 0.50), 0 1px 3px rgba(0, 0, 0, 0.40);
    --shadow-overlay: 0 12px 32px rgba(0, 0, 0, 0.60);

    --ui-overlay: rgba(0, 0, 0, 0.60);
}

/* ── Accessibilité ──────────────────────────────────────── */
/* Contenu réservé aux lecteurs d'écran (labels de champs, libellés d'icônes). */
.ui-sr-only {
    position: absolute !important;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden;
    clip: rect(0 0 0 0); clip-path: inset(50%);
    white-space: nowrap; border: 0;
}

/* ── Boutons ────────────────────────────────────────────── */
.ui-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    border: none;
    border-radius: var(--radius-sm);
    background: var(--surface-container-high);
    color: var(--on-surface-variant);
    font-family: var(--font-ui);
    font-size: 0.8125rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.12s ease, color 0.12s ease;
}
.ui-btn:hover {
    background: var(--surface-container-highest);
    color: var(--on-surface);
}
.ui-btn:disabled {
    opacity: 0.45;
    cursor: default;
    pointer-events: none;
}

/* Primary — bleu Oxford plat (kit Forge) */
.ui-btn--primary {
    background: var(--primary);
    color: var(--on-primary);
    border-radius: var(--radius-md);
    font-weight: 600;
}
.ui-btn--primary:hover {
    background: var(--primary-hover);
    color: var(--on-primary);
}
.ui-btn:focus-visible,
.ui-tab:focus-visible {
    outline: 2px solid var(--focus-ring-color);
    outline-offset: 1px;
}

/* Success — tonal */
.ui-btn--success {
    background: var(--success-light);
    color: var(--success);
}
.ui-btn--success:hover {
    background: color-mix(in srgb, var(--success) 20%, transparent);
    color: var(--success);
}

/* Danger — tonal */
.ui-btn--danger {
    background: var(--danger-light);
    color: var(--danger);
}
.ui-btn--danger:hover {
    background: var(--danger);
    color: #ffffff;
}

/* Icon button */
.ui-btn--icon {
    width: 30px;
    height: 30px;
    padding: 0;
    border-radius: var(--radius-sm);
    background: transparent;
}
.ui-btn--icon:hover {
    background: var(--surface-container-highest);
}

.ui-btn svg {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
}

/* ── Select ─────────────────────────────────────────────── */
.ui-select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    padding: 5px 28px 5px 8px;
    border-radius: var(--radius-sm);
    border: none;
    background-color: var(--surface-container-highest);
    color: var(--on-surface);
    font-family: var(--font-ui);
    font-size: 0.8125rem;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 24 24' fill='none' stroke='%23414750' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 9px center;
    transition: outline 0.12s ease, background 0.12s ease;
}
.ui-select:focus {
    outline: 2px solid var(--focus-ring-color);
    background-color: var(--surface-container-lowest);
}

/* ── Modales — base commune (oed-/wpm-/fbm- sont des spécialisations) ───── */
.ui-modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 2000;
    background: var(--ui-overlay);
    display: none;
    align-items: center;
    justify-content: center;
    padding: 16px;
    backdrop-filter: blur(4px);
    animation: ui-modal-fade 0.14s ease;
}
.ui-modal-overlay.is-open {
    display: flex;
}
.ui-modal {
    width: min(680px, 94vw);
    max-height: min(86vh, calc(100vh - 32px));
    overflow: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--outline-variant);
    background: var(--surface-container-lowest);
    color: var(--on-surface);
    box-shadow: var(--shadow-overlay);
    animation: ui-modal-rise 0.16s cubic-bezier(0.2, 0.8, 0.3, 1);
}
.ui-modal--sm { width: min(440px, 94vw); }
.ui-modal--wide { width: min(960px, 96vw); }
@keyframes ui-modal-fade { from { opacity: 0; } to { opacity: 1; } }
@keyframes ui-modal-rise { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
@media (prefers-reduced-motion: reduce) {
    .ui-modal-overlay, .ui-modal { animation: none; }
}
.ui-modal-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px 20px 12px;
}
.ui-modal-title {
    margin: 0;
    flex: 1;
    font-family: var(--font-editorial);
    font-size: 1rem;
    font-weight: 600;
    color: var(--on-surface);
}
.ui-modal-close {
    border: none;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--on-surface-muted);
    width: 28px;
    height: 28px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.12s;
}
.ui-modal-close:hover {
    background: var(--surface-container-high);
    color: var(--on-surface);
}
.ui-modal-body {
    padding: 0 20px 14px;
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--on-surface-variant);
}
.ui-modal-actions {
    padding: 12px 20px 20px;
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    flex-wrap: wrap;
}
.ui-modal-actions .ui-btn { min-height: 32px; padding: 0 16px; }

/* ── Inputs ─────────────────────────────────────────────── */
.ui-input,
.ui-textarea {
    width: 100%;
    border: none;
    border-radius: 0.5rem;
    background: var(--surface-container-highest);
    color: var(--on-surface);
    font-family: var(--font-ui);
    font-size: 0.875rem;
    padding: 6px 8px;
    transition: outline 0.12s ease, background 0.12s ease;
}
.ui-textarea {
    resize: vertical;
    min-height: 70px;
}
.ui-input:focus,
.ui-textarea:focus {
    outline: 2px solid var(--focus-ring-color);
    background: var(--surface-container-lowest);
}
.ui-input::placeholder,
.ui-textarea::placeholder {
    color: var(--on-surface-muted);
    opacity: 0.9;
}

/* ── Bandeau (shared/slides/banner-picker.js) ────────────── */
.bp-body { display: flex; flex-direction: column; gap: 12px; }
.bp-preview {
    height: 64px;
    border-radius: var(--radius-md, 10px);
    background: var(--surface-container-high, #ede7e4);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    border: 1px solid var(--outline-variant, #c1c7d2);
}
.bp-field { display: flex; flex-direction: column; gap: 4px; }
.bp-field label { font-size: 0.8125rem; color: var(--on-surface-variant, #414750); }
.bp-field input[type="color"] {
    width: 100%;
    height: 34px;
    border: none;
    border-radius: var(--radius-sm, 6px);
    background: var(--surface-container-highest, #e7e1de);
    padding: 2px;
    cursor: pointer;
}
.bp-image-status { font-size: 0.75rem; color: var(--on-surface-muted, #8a9099); }

/* ── Bulk-actions-modal.js : édition/export groupés (page d'accueil) ──────── */
.bulk-actions-body { display: flex; flex-direction: column; gap: 14px; }
.bulk-actions-field { display: flex; flex-direction: column; gap: 4px; }
.bulk-actions-field label { font-size: 0.8125rem; color: var(--on-surface-variant, #414750); }
.bulk-actions-hint { font-weight: 400; opacity: 0.75; }
.bulk-actions-note { font-size: 0.75rem; color: var(--on-surface-muted, #8a9099); margin: 2px 0 0; }
.bulk-actions-status { font-size: 0.8125rem; color: var(--error, #b3261e); min-height: 1.2em; }
.bulk-export-format-list { display: flex; flex-direction: column; gap: 6px; }
.bulk-export-format-opt {
    display: flex; align-items: center; gap: 8px;
    font-size: 0.875rem;
    padding: 6px 8px;
    border-radius: var(--radius-sm, 6px);
    cursor: pointer;
}
.bulk-export-format-opt:hover { background: var(--surface-container-high, #ede7e4); }
.bulk-export-progress { font-size: 0.8125rem; font-weight: 600; color: var(--on-surface); margin-bottom: 8px; }
.bulk-export-rows { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 4px; max-height: 260px; overflow-y: auto; }
.bulk-export-row {
    display: flex; align-items: center; justify-content: space-between; gap: 8px;
    font-size: 0.8125rem;
    padding: 6px 8px;
    border-radius: var(--radius-sm, 6px);
    background: var(--surface-container-high, #ede7e4);
}
.bulk-export-row-title { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bulk-export-row-status { flex-shrink: 0; color: var(--on-surface-muted, #8a9099); }
.bulk-export-row.ok .bulk-export-row-status { color: var(--success, #16a34a); }
.bulk-export-row.err .bulk-export-row-status { color: var(--error, #b3261e); }

/* ── Multi-import-modal.js : import multi-JSON groupé en cours (page d'accueil) ─────────── */
.multi-import-list { display: flex; flex-direction: column; gap: 6px; max-height: 340px; overflow-y: auto; }
.multi-import-row {
    display: flex; align-items: center; justify-content: space-between; gap: 12px;
    padding: 8px 10px;
    border-radius: var(--radius-sm, 6px);
    background: var(--surface-container-high, #ede7e4);
}
.multi-import-row--error { background: color-mix(in srgb, var(--error, #b3261e) 10%, transparent); }
.multi-import-row-main { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.multi-import-title { font-size: 0.875rem; font-weight: 600; color: var(--on-surface); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.multi-import-file { font-size: 0.75rem; color: var(--on-surface-muted, #8a9099); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.multi-import-error { font-size: 0.8125rem; color: var(--error, #b3261e); }
.multi-import-hint { font-size: 0.75rem; color: var(--on-surface-muted, #8a9099); }
.multi-import-seance-label { display: flex; align-items: center; gap: 6px; font-size: 0.8125rem; color: var(--on-surface-variant, #414750); flex-shrink: 0; }
.multi-import-seance { width: 64px; }

/* ── Tabs ───────────────────────────────────────────────── */
.ui-tabs {
    display: flex;
    gap: 4px;
}
.ui-tab {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    border: none;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--on-surface-muted);
    font-family: var(--font-ui);
    font-size: 0.8125rem;
    cursor: pointer;
    transition: background 0.12s ease, color 0.12s ease;
}
.ui-tab:hover {
    background: var(--surface-container-high);
    color: var(--on-surface-variant);
}
.ui-tab.active,
.ui-tab.is-active {
    background: color-mix(in srgb, var(--primary-fixed) 55%, transparent);
    color: var(--primary);
    font-weight: 600;
}

/* ── Pills ──────────────────────────────────────────────── */
.ui-pill {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 1px 8px;
    border-radius: var(--radius-pill);
    border: none;
    background: var(--surface-container-highest);
    color: var(--on-surface-variant);
    font-size: var(--text-2xs);
    line-height: 1.55;
    font-weight: 600;
}
.ui-pill--success {
    background: var(--success-light);
    color: var(--success);
}
.ui-pill--warning {
    background: color-mix(in srgb, var(--warning) 12%, transparent);
    color: var(--warning);
}
.ui-pill--danger {
    background: var(--danger-light);
    color: var(--danger);
}

/* ── Firebase Modal (fbm-) — chargé dans tous les contextes ─────────────── */
.fbm-overlay {
    position: fixed;
    inset: 0;
    background: var(--ui-overlay);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 3000;
    font-family: var(--font-ui);
}
.fbm-modal {
    background: var(--surface-container-lowest, #ffffff);
    border-radius: 12px;
    box-shadow: 0 24px 60px rgba(29, 27, 26, 0.18), 0 4px 12px rgba(29, 27, 26, 0.08);
    padding: 28px 32px 24px;
    width: 100%;
    max-width: 460px;
    max-height: 90vh;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.fbm-modal--wide { max-width: 640px; }
.fbm-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 2px;
}
.fbm-icon { font-size: 1.25rem; line-height: 1; }
.fbm-title {
    font-family: var(--font-editorial);
    font-size: 1.0625rem;
    font-weight: 700;
    color: var(--on-surface, #1d1b1a);
    margin: 0;
    flex: 1;
}
.fbm-close, .fbm-back {
    background: none;
    border: none;
    font-size: 1rem;
    color: var(--on-surface-variant, #414750);
    cursor: pointer;
    padding: 4px 6px;
    border-radius: 6px;
    line-height: 1;
}
.fbm-close:hover, .fbm-back:hover { background: var(--surface-container-high, #ede7e4); }
.fbm-user-badge {
    font-size: 0.75rem;
    color: var(--on-surface-variant, #414750);
    background: var(--surface-container-highest, #e7e1de);
    padding: 2px 8px;
    border-radius: 999px;
    margin-left: auto;
    margin-right: 8px;
}
.fbm-desc {
    font-size: 0.8125rem;
    color: var(--on-surface-variant, #414750);
    margin: 0;
    line-height: 1.5;
}
.fbm-field { display: flex; flex-direction: column; gap: 4px; }
.fbm-label {
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--on-surface-variant, #414750);
}
.fbm-input {
    background: var(--surface-container-highest, #e7e1de);
    border: none;
    border-radius: 8px;
    padding: 8px 12px;
    font-size: 0.875rem;
    color: var(--on-surface, #1d1b1a);
    font-family: var(--font-ui);
    outline: none;
    transition: background 0.12s;
}
.fbm-input:focus {
    background: var(--surface-container-lowest, #fff);
    outline: 2px solid var(--focus-ring-color);
}
.fbm-input::placeholder { color: var(--on-surface-muted, #8a9099); }
.fbm-advanced {
    border-radius: 8px;
    background: var(--surface-container-low, #f8f2ef);
    padding: 8px 12px;
}
.fbm-advanced-toggle {
    font-size: 0.8125rem;
    color: var(--on-surface-variant, #414750);
    cursor: pointer;
    user-select: none;
}
.fbm-advanced .fbm-field { margin-top: 10px; }
.fbm-saved-user {
    font-size: 0.8125rem;
    color: var(--on-surface-variant, #414750);
    background: var(--surface-container, #f3edea);
    padding: 6px 12px;
    border-radius: 8px;
}
.fbm-actions { display: flex; gap: 8px; justify-content: flex-end; align-items: center; margin-top: 4px; }
.fbm-actions .fbm-btn-ghost { margin-right: auto; }
.fbm-btn {
    padding: 8px 18px;
    border-radius: 8px;
    font-size: 0.8125rem;
    font-weight: 600;
    font-family: var(--font-ui);
    border: none;
    cursor: pointer;
    transition: opacity 0.12s;
}
.fbm-btn:disabled { opacity: 0.55; cursor: default; }
.fbm-btn-primary { background: var(--primary); color: var(--on-primary); }
.fbm-btn-primary:hover:not(:disabled) { background: var(--primary-hover); }
.fbm-btn-secondary { background: var(--primary-fixed, #d2e4ff); color: var(--on-primary-fixed, #001c37); }
.fbm-btn-secondary:hover:not(:disabled) { opacity: 0.85; }
.fbm-btn-ghost { background: var(--surface-container-highest, #e7e1de); color: var(--on-surface-variant, #414750); }
.fbm-btn-ghost:hover:not(:disabled) { background: var(--surface-container-high, #ede7e4); }
.fbm-btn-danger { background: var(--danger-light, #ffebee); color: var(--danger, #c62828); }
.fbm-btn-danger:hover:not(:disabled) { background: var(--danger, #c62828); color: #fff; }
.fbm-btn-sm { padding: 5px 10px; font-size: 0.75rem; }
.fbm-btn-google {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    background: var(--surface, #fff);
    color: var(--on-surface, #1a1c1e);
    border: 1px solid var(--outline, #c3c7cf);
}
.fbm-btn-google:hover:not(:disabled) { background: var(--surface-container-low, #f8f2ef); }
.fbm-btn-google svg { flex: none; }
.fbm-divider {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 2px 0;
    font-size: 0.75rem;
    color: var(--on-surface-variant, #6f7378);
}
.fbm-divider::before, .fbm-divider::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--outline-variant, #d7dae0);
}
.fbm-error {
    font-size: 0.8125rem;
    color: var(--danger, #c62828);
    background: var(--danger-light, #ffebee);
    padding: 8px 12px;
    border-radius: 8px;
}
.fbm-success {
    font-size: 0.875rem;
    color: var(--success, #2e7d32);
    background: var(--success-light, #e8f5e9);
    padding: 10px 14px;
    border-radius: 8px;
    text-align: center;
}
.fbm-list-toolbar { margin-bottom: 8px; }
.fbm-filter-input { width: 100%; }
.fbm-list-area {
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-height: 340px;
    overflow-y: auto;
    padding-right: 4px;
}
.fbm-group { display: flex; flex-direction: column; }
.fbm-group-header {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 2px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--on-surface-variant, #414750);
    cursor: pointer;
    list-style: none;
}
.fbm-group-header::-webkit-details-marker { display: none; }
.fbm-group-header::before {
    content: '▸';
    font-size: var(--text-xs);
    transition: transform 0.12s;
}
.fbm-group[open] > .fbm-group-header::before { transform: rotate(90deg); }
.fbm-group-count { font-weight: 400; color: var(--on-surface-muted, #8a9099); text-transform: none; letter-spacing: normal; }
.fbm-group-body {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-top: 4px;
}
.fbm-loading, .fbm-empty {
    text-align: center;
    padding: 32px 0;
    color: var(--on-surface-muted, #8a9099);
    font-size: 0.875rem;
}
.fbm-pres-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    background: var(--surface-container, #f3edea);
    border-radius: 8px;
    transition: background 0.1s;
}
.fbm-pres-row:hover { background: var(--surface-container-high, #ede7e4); }
.fbm-pres-info { flex: 1; display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.fbm-pres-title-row { display: flex; align-items: center; gap: 6px; min-width: 0; }
.fbm-banner-dot {
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--surface-container-highest, #e7e1de);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-xs);
    line-height: 1;
}
.fbm-pres-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--on-surface, #1d1b1a);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.fbm-pres-date { font-size: var(--text-xs); color: var(--on-surface-muted, #8a9099); }
.fbm-pres-actions { display: flex; gap: 6px; flex-shrink: 0; }
.fbm-save-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    background: var(--surface-container-low, #f8f2ef);
    padding: 10px 12px;
    border-radius: 8px;
    margin-top: 4px;
}
.fbm-save-title-label { font-size: 0.8125rem; color: var(--on-surface-variant, #414750); white-space: nowrap; }
.fbm-save-title-input { flex: 1 1 160px; min-width: 120px; }
.fbm-save-public-label {
    display: flex; align-items: center; gap: 5px;
    font-size: 0.8125rem; color: var(--on-surface-variant, #414750);
    white-space: nowrap; cursor: pointer;
}
.fbm-save-public-label input[type="checkbox"] { cursor: pointer; }
.fbm-public-link-btn {
    font-size: 0.75rem; padding: 3px 8px;
    background: var(--primary-fixed, #d2e4ff);
    color: var(--on-primary-fixed, #001c37);
    border: none; border-radius: 4px; cursor: pointer;
    white-space: nowrap;
}
.fbm-public-link-btn:hover { background: var(--primary-container, #2869a9); color: #fff; }
.fbm-list-footer {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
    padding-top: 4px;
    border-top: 1px solid rgba(193, 199, 210, 0.2);
}

/* ════════════════════════════════════════════════════════════════════
   FORGE — primitives partagées (kit Stitch « Forge Educational System »)
   Composants récurrents des coques : cartes, chips, nav rail, app bar,
   bottom nav, bento, contrôle segmenté, FAB, état vide, icônes.
   ════════════════════════════════════════════════════════════════════ */

/* ── Icône (jeu Signature, shared/icons.js) ─────────────────
   `.ms` est le conteneur d'icône historique : il reçoit un <svg class="oei-icon"> de 1em (taille = font-size). */
.ms {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    user-select: none;
    flex-shrink: 0;
}
.ms > .oei-icon { width: 1em; height: 1em; }

/* ── Carte ──────────────────────────────────────────────── */
.ui-card {
    background: var(--surface-container-lowest);
    border: 1px solid var(--outline-variant);
    border-radius: var(--radius-lg);
    box-shadow: var(--elev-1);
}
.ui-card--interactive {
    cursor: pointer;
    transition: box-shadow 0.16s ease, border-color 0.16s ease, transform 0.16s ease;
}
.ui-card--interactive:hover {
    box-shadow: var(--elev-2);
    border-color: color-mix(in srgb, var(--primary) 30%, var(--outline-variant));
}
.ui-card--interactive:focus-visible {
    outline: 2px solid var(--focus-ring-color);
    outline-offset: 2px;
}
.ui-card--template { overflow: hidden; display: flex; flex-direction: column; }
.ui-card--template > .ui-card__preview {
    aspect-ratio: 16 / 9;
    background: var(--surface-container);
    display: flex; align-items: center; justify-content: center;
}
.ui-card--template > .ui-card__body { padding: var(--space-3) var(--space-4) var(--space-4); }

/* ── Chip / badge ───────────────────────────────────────── */
.ui-chip,
.ui-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    height: 32px;
    padding: 0 12px;
    border-radius: var(--radius-pill);
    background: var(--surface-container-high);
    color: var(--on-surface-variant);
    font-family: var(--font-ui);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    white-space: nowrap;
}
.ui-badge { height: 22px; padding: 0 9px; font-size: var(--text-xs); }
.ui-chip--primary,
.ui-badge--primary { background: var(--primary-fixed); color: var(--on-primary-fixed-variant); }
.ui-chip--project,
.ui-badge--project { background: var(--primary-fixed); color: var(--on-primary-fixed-variant); }
.ui-chip--quiz,
.ui-badge--quiz { background: var(--secondary-container); color: var(--on-secondary-container); }
.ui-chip--new,
.ui-badge--new {
    background: color-mix(in srgb, var(--tertiary) 45%, var(--surface-container));
    color: var(--on-tertiary-container);
}

/* ── Nav rail (sidebar verticale) ───────────────────────── */
.ui-navrail {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.ui-navrail-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    border: none;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    background: transparent;
    color: var(--on-surface-variant);
    font-family: var(--font-ui);
    font-size: 0.9rem;
    font-weight: 500;
    text-align: left;
    text-decoration: none;
    cursor: pointer;
    transition: background 0.12s ease, color 0.12s ease;
}
.ui-navrail-item .ms { font-size: 20px; }
.ui-navrail-item:hover {
    background: var(--surface-container-high);
    color: var(--on-surface);
}
.ui-navrail-item.is-active {
    background: var(--primary-fixed);
    color: var(--on-primary-fixed-variant);
    font-weight: 600;
    box-shadow: inset 4px 0 0 var(--primary);
}
.ui-navrail-item:focus-visible {
    outline: 2px solid var(--focus-ring-color);
    outline-offset: -2px;
}
.ui-navrail-label {
    padding: 0 16px 6px;
    font-size: var(--text-xs);
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--on-surface-muted);
}

/* ── App bar (barre supérieure) ─────────────────────────── */
.ui-appbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    height: 60px;
    padding: 0 var(--space-6);
    background: var(--surface);
    border-bottom: 1px solid var(--outline-variant);
    box-shadow: var(--elev-1);
}
.ui-appbar__brand {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-editorial);
    font-weight: 800;
    font-size: 1.05rem;
    letter-spacing: -0.01em;
    color: var(--primary);
}

/* ── Bottom nav (mobile) ────────────────────────────────── */
.ui-bottomnav {
    display: flex;
    justify-content: space-around;
    align-items: center;
    height: 64px;
    padding: 0 8px calc(env(safe-area-inset-bottom, 0px));
    background: var(--surface);
    border-top: 1px solid var(--outline-variant);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    box-shadow: 0 -4px 20px rgba(17, 17, 26, 0.06);
}
.ui-bottomnav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    min-width: 56px;
    padding: 6px 14px;
    border: none;
    border-radius: var(--radius-md);
    background: transparent;
    color: var(--on-surface-variant);
    font-family: var(--font-ui);
    font-size: var(--text-2xs);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
}
.ui-bottomnav-item .ms { font-size: 22px; }
.ui-bottomnav-item.is-active {
    background: var(--primary-fixed);
    color: var(--on-primary-fixed-variant);
}

/* ── Bento (grille de panneaux) ─────────────────────────── */
.ui-bento {
    display: grid;
    gap: var(--space-4);
}
.ui-bento-panel {
    background: var(--surface-container-lowest);
    border: 1px solid var(--outline-variant);
    border-radius: var(--radius-lg);
    box-shadow: var(--elev-2);
    padding: var(--space-5);
}

/* ── Contrôle segmenté ──────────────────────────────────── */
.ui-segmented {
    display: inline-flex;
    padding: 3px;
    gap: 2px;
    background: var(--surface-container);
    border: 1px solid var(--outline-variant);
    border-radius: var(--radius-md);
}
.ui-segmented button {
    border: none;
    border-radius: calc(var(--radius-md) - 3px);
    background: transparent;
    color: var(--on-surface-variant);
    font-family: var(--font-ui);
    font-size: 0.78rem;
    font-weight: 600;
    padding: 5px 12px;
    cursor: pointer;
    transition: background 0.12s ease, color 0.12s ease;
}
.ui-segmented button:hover { color: var(--on-surface); }
.ui-segmented button.is-active {
    background: var(--surface-container-lowest);
    color: var(--primary);
    box-shadow: var(--elev-1);
}

/* ── FAB ────────────────────────────────────────────────── */
.ui-fab {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 18px;
    border: none;
    border-radius: var(--radius-pill);
    background: var(--primary);
    color: var(--on-primary);
    font-family: var(--font-ui);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    box-shadow: var(--elev-3);
    transition: transform 0.14s ease, box-shadow 0.14s ease;
}
.ui-fab:hover { transform: translateY(-1px); }
.ui-fab:focus-visible { outline: 2px solid var(--focus-ring-color); outline-offset: 2px; }

/* ── État vide ──────────────────────────────────────────── */
.ui-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-8) var(--space-4);
    text-align: center;
    color: var(--on-surface-muted);
    font-size: 0.875rem;
}
.ui-empty .ms { font-size: 32px; opacity: 0.7; }

/* ── Toast / notification éphémère (window.OEIToast) ────── */
.ui-toast-root {
    position: fixed;
    right: 16px;
    bottom: 16px;
    z-index: 4000;
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-width: min(380px, calc(100vw - 32px));
    pointer-events: none;
}
.ui-toast {
    pointer-events: auto;
    position: relative;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 12px 14px;
    border-radius: var(--radius-md);
    background: var(--surface-container-lowest);
    border: 1px solid var(--outline-variant);
    border-left: 3px solid var(--outline);
    box-shadow: var(--shadow-overlay);
    color: var(--on-surface);
    font-family: var(--font-ui);
    font-size: 0.82rem;
    line-height: 1.45;
    overflow: hidden;
    animation: ui-toast-in 0.22s cubic-bezier(0.2, 0.8, 0.3, 1);
}
.ui-toast.is-leaving {
    opacity: 0;
    transform: translateX(12px);
    transition: opacity 0.2s ease, transform 0.2s ease;
}
.ui-toast__icon {
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    margin-top: 1px;
    color: var(--outline);
}
.ui-toast__icon svg { width: 100%; height: 100%; display: block; }
.ui-toast__msg { flex: 1; min-width: 0; }
.ui-toast__action {
    flex-shrink: 0;
    align-self: center;
    border: none;
    border-radius: var(--radius-sm);
    background: var(--surface-container-high);
    color: var(--primary);
    font-family: var(--font-ui);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 5px 10px;
    cursor: pointer;
    transition: background 0.12s;
}
.ui-toast__action:hover { background: var(--primary-fixed); }
.ui-toast__close {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    padding: 0;
    border: none;
    background: transparent;
    color: var(--on-surface-muted);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
}
.ui-toast__close svg { width: 13px; height: 13px; }
.ui-toast__close:hover { background: var(--surface-container-high); color: var(--on-surface); }
.ui-toast__action:focus-visible,
.ui-toast__close:focus-visible { outline: 2px solid var(--focus-ring-color); outline-offset: 1px; }

.ui-toast--success { border-left-color: var(--success); }
.ui-toast--success .ui-toast__icon { color: var(--success); }
.ui-toast--warning { border-left-color: var(--warning); }
.ui-toast--warning .ui-toast__icon { color: var(--warning); }
.ui-toast--error { border-left-color: var(--danger); }
.ui-toast--error .ui-toast__icon { color: var(--danger); }
.ui-toast--info { border-left-color: var(--primary); }
.ui-toast--info .ui-toast__icon { color: var(--primary); }

.ui-toast.has-timer::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    height: 2px;
    width: 100%;
    background: currentColor;
    color: var(--outline-variant);
    transform-origin: left;
    animation: ui-toast-timer var(--ui-toast-duration, 3500ms) linear forwards;
}
.ui-toast.is-paused::after { animation-play-state: paused; }

@keyframes ui-toast-in {
    from { opacity: 0; transform: translateX(16px); }
    to   { opacity: 1; transform: translateX(0); }
}
@keyframes ui-toast-timer {
    from { transform: scaleX(1); }
    to   { transform: scaleX(0); }
}

@media (max-width: 600px) {
    .ui-toast-root { left: 16px; right: 16px; max-width: none; bottom: 12px; }
}

@media (prefers-reduced-motion: reduce) {
    .ui-card--interactive,
    .ui-fab { transition: none; }
    .ui-toast { animation: none; }
    .ui-toast.has-timer::after { animation: none; display: none; }
}

/* ── Réduction de mouvement — global (toutes les coques slides) ────────── */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ── Focus clavier générique (secours si une coque n'en définit pas) ──── */
:where(button, a[href], input, select, textarea, [tabindex]):focus-visible {
    outline: 2px solid var(--focus-ring-color);
    outline-offset: 2px;
}