/* =============================================================================
   Form Builder v2 — Typeform-inspired, minimaliste, responsive
   Layout : 3 colonnes adaptatives (palette | canvas | config) / drawers <900px
   ============================================================================= */

.fb2 {
  /* Variables locales (override par container queries) */
  --fb2-pad: 24px;
  --fb2-pad-sm: 14px;
  --fb2-gap: 16px;
  --fb2-radius: 12px;
  --fb2-radius-sm: 8px;
  --fb2-col-palette: 240px;
  --fb2-col-config: 320px;
  --fb2-header-h: 52px;

  /* Container queries — le builder s'adapte à SA largeur réelle, pas au viewport */
  container-type: inline-size;
  container-name: fb2;

  display: grid;
  grid-template-columns: var(--fb2-col-palette) minmax(0, 1fr) var(--fb2-col-config);
  height: calc(100vh - 180px);
  min-height: 520px;
  max-height: calc(100vh - 120px);
  border: 1px solid var(--border-default);
  border-radius: var(--fb2-radius);
  overflow: hidden;
  background: var(--bg-primary);
  position: relative;
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-primary);
}

/* Palier intermédiaire compact : container < 1100px → 3 cols compactes */
@container fb2 (max-width: 1099px) {
  .fb2 {
    --fb2-col-palette: 210px;
    --fb2-col-config: 280px;
    --fb2-pad: 18px;
    --fb2-pad-sm: 12px;
  }
}

/* Backdrop : masqué par défaut (sinon il occupe la 1ère cellule du grid et
   décale palette/canvas/config). Il est affiché uniquement en mode drawer. */
.fb2 .fb2-backdrop {
  display: none;
}

/* Container < 900px : canvas seul + drawers (palette & config) */
@container fb2 (max-width: 899px) {
  .fb2 {
    grid-template-columns: 1fr;
    height: auto;
    max-height: none;
    min-height: calc(100vh - 140px);
  }
  .fb2 .fb2-mobile-toggle { display: inline-flex; }

  .fb2 .fb2-palette {
    position: absolute;
    top: 0;
    left: -300px;
    bottom: 0;
    width: 280px;
    z-index: 50;
    transition: left 0.28s cubic-bezier(0.22, 0.61, 0.36, 1);
    box-shadow: 4px 0 20px rgba(0, 0, 0, 0.15);
  }
  .fb2 .fb2-palette.is-open { left: 0; }

  .fb2 .fb2-backdrop {
    display: block;
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 45;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s;
  }
  .fb2 .fb2-backdrop.is-visible,
  .fb2 .fb2-backdrop.is-open { opacity: 1; pointer-events: auto; }

  .fb2 .fb2-config {
    position: absolute;
    left: 0;
    right: 0;
    bottom: -75vh;
    max-height: 75vh;
    z-index: 50;
    border-top: 1px solid var(--border-default);
    border-left: none;
    border-radius: 16px 16px 0 0;
    transition: bottom 0.28s cubic-bezier(0.22, 0.61, 0.36, 1);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
  }
  .fb2 .fb2-config.is-open { bottom: 0; }
  .fb2 .fb2-config-close { display: inline-flex; }
  .fb2 .fb2-view-btn span { display: none; }
}

/* Fallback viewport-based pour navigateurs sans container queries */
@supports not (container-type: inline-size) {
  @media (max-width: 1199px) {
    .fb2 {
      --fb2-col-palette: 210px;
      --fb2-col-config: 280px;
      --fb2-pad: 18px;
      --fb2-pad-sm: 12px;
    }
  }
}

/* =============================================================================
   Mobile toggle buttons
   ============================================================================= */
.fb2-mobile-toggle {
  display: none;
  position: absolute;
  top: 10px;
  z-index: 10;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--fb2-radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.fb2-mobile-toggle:hover {
  color: var(--text-primary);
  background: var(--bg-surface-hover);
}
.fb2-mobile-toggle--palette { left: 12px; }

/* Les anciennes media queries viewport-based ont été remplacées par des
   container queries @container fb2 en haut du fichier. */

/* =============================================================================
   Palette (col 1)
   ============================================================================= */
.fb2-palette {
  background: var(--bg-surface-hover);
  border-right: 1px solid var(--border-default);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
}

.fb2-palette-header {
  padding: var(--fb2-pad-sm) var(--fb2-pad-sm) 8px;
  border-bottom: 1px solid var(--border-default);
  background: var(--bg-surface-hover);
}

.fb2-search-wrap { position: relative; }
.fb2-search-kbd {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  padding: 1px 6px;
  min-width: 18px;
  height: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-family: "Poppins", ui-monospace, monospace;
  font-weight: 600;
  color: var(--text-tertiary);
  background: var(--bg-primary);
  border: 1px solid var(--border-default);
  border-radius: 4px;
  pointer-events: none;
  line-height: 1;
}
.fb2-search:focus ~ .fb2-search-kbd { opacity: 0.4; }
.fb2-search-wrap::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 50%;
  width: 14px;
  height: 14px;
  transform: translateY(-50%);
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' viewBox='0 0 24 24'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='M21 21l-4.35-4.35'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  opacity: 0.7;
  pointer-events: none;
}
.fb2-search {
  width: 100%;
  padding: 7px 10px 7px 30px;
  border-radius: var(--fb2-radius-sm);
  border: 1px solid var(--border-default);
  background: var(--bg-surface);
  color: var(--text-primary);
  font-size: 13px;
  font-family: inherit;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.fb2-search:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 15%, transparent);
}

.fb2-palette-body {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
}

/* Catégories palette */
.fb2-category { margin-bottom: 6px; }
.fb2-category-header {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 8px;
  background: transparent;
  border: 0;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: 6px;
  transition: background 0.15s, color 0.15s;
  font-family: inherit;
}
.fb2-category-header:hover {
  color: var(--text-primary);
  background: var(--bg-surface);
}
.fb2-category-header svg {
  width: 12px;
  height: 12px;
  transition: transform 0.2s;
}
.fb2-category.is-collapsed .fb2-category-header svg { transform: rotate(-90deg); }

.fb2-category-body {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 4px 2px 8px;
  overflow: hidden;
  transition: max-height 0.25s ease, opacity 0.2s ease;
}
.fb2-category.is-collapsed .fb2-category-body {
  max-height: 0;
  opacity: 0;
  pointer-events: none;
  padding: 0;
}

/* Field cards (palette) */
.fb2-field-card {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--fb2-radius-sm);
  font-size: 13px;
  color: var(--text-primary);
  cursor: grab;
  user-select: none;
  transition: border-color 0.15s, transform 0.15s, box-shadow 0.15s, background 0.15s;
}
.fb2-field-card:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  background: color-mix(in srgb, var(--accent) 4%, var(--bg-surface));
}
.fb2-field-card:active { cursor: grabbing; }
.fb2-field-card-icon {
  width: 20px;
  height: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-tertiary);
  flex-shrink: 0;
}
.fb2-field-card:hover .fb2-field-card-icon { color: var(--accent); }
.fb2-field-card-label {
  flex: 1;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Template cards */
.fb2-template-card {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px;
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--fb2-radius-sm);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, transform 0.15s;
  font-family: inherit;
  text-align: left;
}
.fb2-template-card:hover {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 4%, var(--bg-surface));
  transform: translateY(-1px);
}
.fb2-template-icon {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 16px;
}
.fb2-template-info { flex: 1; min-width: 0; }
.fb2-template-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}
.fb2-template-desc {
  font-size: 11px;
  color: var(--text-tertiary);
  margin-top: 1px;
}

/* =============================================================================
   Canvas (col 2)
   ============================================================================= */
.fb2-canvas {
  overflow-y: auto;
  padding: var(--fb2-pad);
  background: var(--bg-primary);
  min-height: 0;
  min-width: 0;
}

.fb2-canvas-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: var(--fb2-gap);
  flex-wrap: wrap;
}
.fb2-canvas-count {
  font-size: 12px;
  color: var(--text-tertiary);
  font-weight: 500;
}

.fb2-undo-redo {
  display: inline-flex;
  gap: 2px;
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--fb2-radius-sm);
  padding: 2px;
}
.fb2-undo-redo button {
  width: 28px;
  height: 26px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 0;
  color: var(--text-tertiary);
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.fb2-undo-redo button:hover:not(:disabled) {
  background: var(--bg-surface-hover);
  color: var(--text-primary);
}
.fb2-undo-redo button:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}
.fb2-undo-redo button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Section */
.fb2-section {
  margin-bottom: var(--fb2-gap);
  padding: var(--fb2-pad-sm);
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--fb2-radius);
  transition: border-color 0.2s;
}

.fb2-section-head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}
.fb2-section-handle {
  color: var(--text-tertiary);
  cursor: grab;
  opacity: 0.4;
  transition: opacity 0.15s;
}
.fb2-section:hover .fb2-section-handle { opacity: 1; }
.fb2-section-title {
  flex: 1;
  font-size: 16px;
  font-weight: 600;
  padding: 4px 6px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 6px;
  color: var(--text-primary);
  font-family: "Poppins", "Inter", system-ui, sans-serif;
  transition: background 0.15s, border-color 0.15s;
}
.fb2-section-title:hover { background: var(--bg-surface-hover); }
.fb2-section-title:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--bg-primary);
}
.fb2-section-count {
  font-size: 11px;
  color: var(--text-tertiary);
  padding: 2px 8px;
  background: var(--bg-surface-hover);
  border-radius: 999px;
}
.fb2-section-remove {
  width: 26px;
  height: 26px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 0;
  color: var(--text-tertiary);
  border-radius: 6px;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.15s, background 0.15s, color 0.15s;
}
.fb2-section:hover .fb2-section-remove { opacity: 1; }
.fb2-section-remove:hover {
  background: var(--color-red-bg);
  color: var(--color-red-text);
}

/* Section fields (drop zone) */
.fb2-section-fields {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 52px;
  padding: 4px;
  border-radius: var(--fb2-radius-sm);
  transition: background 0.15s;
}
.fb2-section-fields.is-drag-over {
  background: color-mix(in srgb, var(--accent) 6%, transparent);
}

.fb2-section-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 20px 12px;
  border: 2px dashed var(--border-default);
  border-radius: var(--fb2-radius-sm);
  color: var(--text-tertiary);
  font-size: 12px;
  gap: 4px;
  text-align: center;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.fb2-section-empty.is-hidden { display: none; }
.fb2-section-fields.is-drag-over + .fb2-section-empty,
.fb2-section-fields.is-drag-over .fb2-section-empty {
  border-color: var(--accent);
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 4%, transparent);
}

/* Field row (canvas) */
.fb2-field {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: var(--bg-surface);
  border: 1px solid transparent;
  border-radius: var(--fb2-radius-sm);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, box-shadow 0.15s;
}
.fb2-field:hover {
  background: var(--bg-surface-hover);
  border-color: var(--border-default);
}
.fb2-field.is-selected {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 5%, var(--bg-surface));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 15%, transparent);
}
.fb2-field:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.fb2-field-handle {
  color: var(--text-tertiary);
  cursor: grab;
  opacity: 0.4;
  transition: opacity 0.15s;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
}
.fb2-field:hover .fb2-field-handle,
.fb2-field.is-selected .fb2-field-handle { opacity: 1; }
.fb2-field-handle:active { cursor: grabbing; }

/* Badges type — utilise la palette nommée auto-adaptive dark mode */
.fb2-field-type-badge,
.fb2-field-type {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 4px;
  flex-shrink: 0;
  background: var(--bg-surface-hover);
  color: var(--text-tertiary);
}
.fb2-badge--text, .fb2-field-type--text {
  background: var(--color-blue-bg);
  color: var(--color-blue-text);
}
.fb2-badge--contact, .fb2-field-type--contact {
  background: var(--color-green-bg);
  color: var(--color-green-text);
}
.fb2-badge--choice, .fb2-field-type--choice {
  background: var(--color-purple-bg);
  color: var(--color-purple-text);
}
.fb2-badge--other, .fb2-field-type--other {
  background: var(--color-amber-bg);
  color: var(--color-amber-text);
}
.fb2-badge--display, .fb2-field-type--display {
  background: var(--color-gray-bg);
  color: var(--color-gray-text);
}

.fb2-field-label {
  flex: 1;
  min-width: 0;
  font-size: 14px;
  padding: 4px 6px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 6px;
  color: var(--text-primary);
  font-family: inherit;
  transition: background 0.15s, border-color 0.15s;
}
.fb2-field-label:hover { background: var(--bg-surface); }
.fb2-field-label:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--bg-surface);
}
.fb2-field-label::placeholder {
  color: var(--text-tertiary);
  font-style: italic;
}

.fb2-field-required {
  color: var(--color-red-text);
  font-weight: 600;
  cursor: help;
}

.fb2-field-actions {
  display: inline-flex;
  gap: 2px;
  opacity: 0;
  transition: opacity 0.15s;
}
.fb2-field:hover .fb2-field-actions,
.fb2-field.is-selected .fb2-field-actions { opacity: 1; }
.fb2-field-btn,
.fb2-field-action {
  width: 26px;
  height: 26px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 0;
  color: var(--text-tertiary);
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.fb2-field-btn:hover,
.fb2-field-action:hover {
  background: var(--bg-surface);
  color: var(--text-primary);
}
.fb2-field-btn--danger:hover,
.fb2-field-action--danger:hover {
  background: var(--color-red-bg);
  color: var(--color-red-text);
}

/* Required toggle (legacy inline) */
.fb2-req {
  position: relative;
  display: inline-flex;
  align-items: center;
  cursor: pointer;
  padding: 2px;
  flex-shrink: 0;
}
.fb2-req input { position: absolute; opacity: 0; pointer-events: none; }
.fb2-req-track {
  position: relative;
  width: 28px;
  height: 16px;
  border-radius: 999px;
  background: var(--bg-surface-hover);
  border: 1px solid var(--border-default);
  transition: background 0.2s, border-color 0.2s;
}
.fb2-req-track::after {
  content: "";
  position: absolute;
  top: 1px;
  left: 1px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.15);
  transition: transform 0.2s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.fb2-req input:checked + .fb2-req-track {
  background: var(--accent);
  border-color: var(--accent);
}
.fb2-req input:checked + .fb2-req-track::after { transform: translateX(12px); }

/* Section footer — add field button */
.fb2-section-add {
  margin-top: 8px;
  width: 100%;
  padding: 8px;
  background: transparent;
  border: 1px dashed var(--border-default);
  border-radius: var(--fb2-radius-sm);
  color: var(--text-tertiary);
  font-size: 13px;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-family: inherit;
}
.fb2-section-add:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 4%, transparent);
}

/* Add section button */
.fb2-add-section {
  width: 100%;
  padding: 12px;
  background: var(--bg-surface);
  border: 1px dashed var(--border-default);
  border-radius: var(--fb2-radius);
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 12px;
  font-family: inherit;
}
.fb2-add-section:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 4%, var(--bg-surface));
}
.fb2-add-section:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* =============================================================================
   Config panel (col 3)
   ============================================================================= */
.fb2-config {
  background: var(--bg-surface);
  border-left: 1px solid var(--border-default);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.fb2-config-head {
  position: sticky;
  top: 0;
  padding: 16px 20px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-default);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  z-index: 1;
}
.fb2-config-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.fb2-config-close {
  width: 28px;
  height: 28px;
  display: none;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 0;
  color: var(--text-tertiary);
  border-radius: 6px;
  cursor: pointer;
}
.fb2-config-close:hover {
  background: var(--bg-surface-hover);
  color: var(--text-primary);
}
/* .fb2-config-close est affiché en mode drawer via le container query ci-dessus */

.fb2-config-body { padding: 16px 20px; }

.fb2-config-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  text-align: center;
  color: var(--text-tertiary);
  gap: 10px;
  height: 100%;
}
.fb2-config-empty svg { width: 32px; height: 32px; opacity: 0.3; }
.fb2-config-empty p { font-size: 13px; max-width: 220px; }

.fb2-config-row { margin-bottom: 14px; }
.fb2-config-row label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 5px;
}
.fb2-config-row input[type="text"],
.fb2-config-row input[type="number"],
.fb2-config-row input[type="email"],
.fb2-config-row textarea,
.fb2-config-row select {
  width: 100%;
  padding: 8px 10px;
  font-size: 13px;
  color: var(--text-primary);
  background: var(--bg-primary);
  border: 1px solid var(--border-default);
  border-radius: var(--fb2-radius-sm);
  font-family: inherit;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.fb2-config-row input:focus,
.fb2-config-row textarea:focus,
.fb2-config-row select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 15%, transparent);
}
.fb2-config-row textarea { resize: vertical; min-height: 60px; }

.fb2-config-options {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.fb2-config-option {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 6px;
  background: var(--bg-primary);
  border: 1px solid var(--border-default);
  border-radius: 6px;
}
.fb2-config-option-grip {
  color: var(--text-tertiary);
  cursor: grab;
  padding: 2px;
  display: inline-flex;
  flex-shrink: 0;
}
.fb2-config-option input {
  flex: 1;
  padding: 4px 6px;
  font-size: 13px;
  background: transparent;
  border: 0;
  color: var(--text-primary);
  font-family: inherit;
}
.fb2-config-option input:focus { outline: none; }
.fb2-config-option-remove {
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 0;
  color: var(--text-tertiary);
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  flex-shrink: 0;
}
.fb2-config-option-remove:hover {
  background: var(--color-red-bg);
  color: var(--color-red-text);
}

.fb2-config-add-option {
  align-self: flex-start;
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 500;
  color: var(--accent);
  background: transparent;
  border: 1px dashed var(--border-default);
  border-radius: 6px;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  margin-top: 4px;
  font-family: inherit;
}
.fb2-config-add-option:hover {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 6%, transparent);
}

.fb2-config-required {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background: var(--bg-primary);
  border: 1px solid var(--border-default);
  border-radius: var(--fb2-radius-sm);
  margin-bottom: 14px;
}
.fb2-config-required-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
}

.fb2-config-danger {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border-default);
}
.fb2-config-danger button {
  width: 100%;
  padding: 8px 12px;
  background: transparent;
  border: 1px solid var(--border-default);
  border-radius: var(--fb2-radius-sm);
  color: var(--color-red-text);
  font-size: 13px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
  font-family: inherit;
}
.fb2-config-danger button:hover {
  background: var(--color-red-bg);
  border-color: color-mix(in srgb, var(--color-red) 40%, transparent);
}

/* =============================================================================
   SortableJS drag & drop visual feedback
   ============================================================================= */
.fb2-ghost {
  opacity: 0.4 !important;
  background: color-mix(in srgb, var(--accent) 10%, transparent) !important;
  border: 2px dashed var(--accent) !important;
}
.fb2-ghost * { visibility: hidden; }
.fb2-chosen { cursor: grabbing !important; }
.fb2-drag {
  opacity: 0.95 !important;
  transform: rotate(1.5deg);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.18) !important;
  border: 1px solid var(--accent) !important;
}

/* =============================================================================
   Animations & reduced-motion
   ============================================================================= */
@keyframes fb2-field-enter {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fb2-field { animation: fb2-field-enter 0.2s cubic-bezier(0.22, 0.61, 0.36, 1); }

@media (prefers-reduced-motion: reduce) {
  .fb2 *,
  .fb2 *::before,
  .fb2 *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

@media (prefers-contrast: more) {
  .fb2,
  .fb2 .fb2-section,
  .fb2 .fb2-field,
  .fb2 .fb2-accordion,
  .fb2 .fb2-preview-paper {
    border-width: 2px;
  }
  .fb2 .fb2-field.is-selected {
    outline: 3px solid var(--accent);
    outline-offset: -1px;
  }
}

/* Champs masqués par logique conditionnelle (public form runtime) */
.is-hidden-by-logic {
  display: none !important;
}

/* =============================================================================
   Phase 2 — Typeform-inspired additions
   ============================================================================= */

/* Canvas empty state (aucun champ) */
.fb2-canvas-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px 24px;
  margin: 0 auto var(--fb2-gap);
  max-width: 420px;
  text-align: center;
  color: var(--text-secondary);
  background: var(--bg-surface);
  border: 2px dashed var(--border-default);
  border-radius: var(--fb2-radius);
}
.fb2-canvas-empty-illus {
  color: var(--text-tertiary);
  margin-bottom: 12px;
}
.fb2-canvas-empty-title {
  font-family: "Poppins", "Inter", system-ui, sans-serif;
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 6px;
}
.fb2-canvas-empty-sub {
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-tertiary);
  margin: 0;
  max-width: 320px;
}

/* Section kicker (Typeform style "Section 1" au-dessus du titre) */
.fb2-section-head { flex-wrap: wrap; }
.fb2-section-kicker {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-tertiary);
  padding: 2px 6px;
  background: var(--bg-surface-hover);
  border-radius: 4px;
  flex-shrink: 0;
}

/* Field numbering Typeform-like */
.fb2-field-num {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-family: "Poppins", "Inter", system-ui, sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text-tertiary);
  min-width: 32px;
  flex-shrink: 0;
  font-variant-numeric: tabular-nums;
  transition: color 0.15s;
}
.fb2-field-num-arrow {
  font-size: 10px;
  opacity: 0.7;
  margin-left: 1px;
}
.fb2-field:hover .fb2-field-num,
.fb2-field.is-selected .fb2-field-num {
  color: var(--accent);
}

/* =============================================================================
   Phase 4 — Config panel accordions
   ============================================================================= */
.fb2-config-title {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  flex: 1;
}
.fb2-config-title-text {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}
.fb2-config-title-badge {
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 4px;
  flex-shrink: 0;
  background: var(--bg-surface-hover);
  color: var(--text-tertiary);
}

.fb2-config-accordions {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.fb2-accordion {
  border: 1px solid var(--border-default);
  border-radius: var(--fb2-radius-sm);
  overflow: hidden;
  background: var(--bg-primary);
}
.fb2-accordion-head {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  background: transparent;
  border: 0;
  cursor: pointer;
  font-family: inherit;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
  transition: background 0.15s, color 0.15s;
}
.fb2-accordion-head:hover {
  background: var(--bg-surface-hover);
  color: var(--text-primary);
}
.fb2-accordion-head:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}
.fb2-accordion-label { flex: 1; text-align: left; }
.fb2-accordion-badge {
  font-size: 9px;
  font-weight: 700;
  text-transform: uppercase;
  padding: 2px 6px;
  border-radius: 999px;
  background: var(--color-amber-bg);
  color: var(--color-amber-text);
  letter-spacing: 0.04em;
}
.fb2-accordion-chevron {
  color: var(--text-tertiary);
  transition: transform 0.2s;
  flex-shrink: 0;
}
.fb2-accordion.is-collapsed .fb2-accordion-chevron { transform: rotate(-90deg); }

.fb2-accordion-body {
  padding: 12px;
  border-top: 1px solid var(--border-default);
  background: var(--bg-surface);
  animation: fb2-accordion-fade 0.2s ease;
}
.fb2-accordion.is-collapsed .fb2-accordion-body {
  display: none;
}
@keyframes fb2-accordion-fade {
  from { opacity: 0; transform: translateY(-2px); }
  to   { opacity: 1; transform: translateY(0); }
}

.fb2-accordion-body .fb2-config-row:last-child { margin-bottom: 0; }

.fb2-config-row-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 14px;
}
.fb2-config-row-grid label {
  display: block;
  font-size: 10px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 4px;
}
.fb2-config-row-grid input {
  width: 100%;
  padding: 6px 8px;
  font-size: 12px;
  color: var(--text-primary);
  background: var(--bg-primary);
  border: 1px solid var(--border-default);
  border-radius: 6px;
}
.fb2-config-row-grid input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 15%, transparent);
}

.fb2-config-hint {
  font-size: 12px;
  line-height: 1.5;
  color: var(--text-tertiary);
  margin: 0;
}

/* Config panel — toggle required (réutilise .fb2-req existant) */
.fb2-config-required {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 8px 12px;
  cursor: pointer;
  background: var(--bg-primary);
  border: 1px solid var(--border-default);
  border-radius: var(--fb2-radius-sm);
  margin-top: 4px;
}
.fb2-config-required:hover { border-color: var(--text-tertiary); }

/* =============================================================================
   Phase 5 — View toggle + Preview live
   ============================================================================= */
.fb2-view-toggle {
  display: inline-flex;
  gap: 2px;
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--fb2-radius-sm);
  padding: 2px;
}
.fb2-view-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 10px;
  background: transparent;
  border: 0;
  border-radius: 6px;
  color: var(--text-tertiary);
  font-size: 12px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.fb2-view-btn:hover {
  background: var(--bg-surface-hover);
  color: var(--text-primary);
}
.fb2-view-btn.is-active {
  background: var(--accent);
  color: var(--accent-contrast, #fff);
}
.fb2-view-btn.is-active:hover { background: var(--accent-hover, var(--accent)); }
.fb2-view-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
@container fb2 (max-width: 1099px) {
  .fb2-view-btn span { display: none; }
  .fb2-view-btn { padding: 6px; }
}

/* Preview host */
.fb2-canvas-preview {
  padding: 24px 0;
  min-height: 300px;
}
.fb2-canvas-preview--mobile .fb2-preview-paper {
  max-width: 375px;
  border: 8px solid var(--text-primary);
  border-radius: 28px;
}

.fb2-preview-empty {
  padding: 48px 20px;
  text-align: center;
  color: var(--text-tertiary);
  font-size: 14px;
}

.fb2-preview-paper {
  max-width: 640px;
  margin: 0 auto;
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--fb2-radius);
  padding: 32px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
}
.fb2-preview-title {
  font-family: "Poppins", "Inter", system-ui, sans-serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 6px;
}
.fb2-preview-sub {
  color: var(--text-secondary);
  font-size: 14px;
  margin: 0 0 24px;
}
.fb2-preview-section {
  font-family: "Poppins", "Inter", system-ui, sans-serif;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 24px 0 12px;
}
.fb2-preview-heading {
  font-family: "Poppins", "Inter", system-ui, sans-serif;
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 20px 0 8px;
}
.fb2-preview-paragraph {
  font-size: 14px;
  color: var(--text-secondary);
  margin: 8px 0;
  line-height: 1.6;
}
.fb2-preview-field {
  margin-bottom: 18px;
}
.fb2-preview-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}
.fb2-preview-req {
  color: var(--color-red-text);
  margin-left: 2px;
}
.fb2-preview-desc {
  font-size: 12px;
  color: var(--text-tertiary);
  margin: 0 0 6px;
  line-height: 1.5;
}
.fb2-preview-control input[type="text"],
.fb2-preview-control input[type="email"],
.fb2-preview-control input[type="url"],
.fb2-preview-control input[type="tel"],
.fb2-preview-control input[type="number"],
.fb2-preview-control input[type="date"],
.fb2-preview-control textarea,
.fb2-preview-control select {
  width: 100%;
  padding: 10px 12px;
  font-size: 14px;
  font-family: inherit;
  color: var(--text-primary);
  background: var(--bg-primary);
  border: 1px solid var(--border-default);
  border-radius: var(--fb2-radius-sm);
  cursor: not-allowed;
}
.fb2-preview-control textarea {
  resize: vertical;
  min-height: 80px;
}
.fb2-preview-control input[type="range"] { width: 100%; }
.fb2-preview-choices {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.fb2-preview-choices label,
.fb2-preview-choices-inline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-primary);
  cursor: not-allowed;
}
.fb2-preview-stars {
  font-size: 24px;
  color: var(--color-amber);
  letter-spacing: 2px;
}
.fb2-preview-file {
  padding: 20px;
  border: 2px dashed var(--border-default);
  border-radius: var(--fb2-radius-sm);
  color: var(--text-tertiary);
  text-align: center;
  font-size: 13px;
}
.fb2-preview-submit {
  margin-top: 20px;
  width: 100%;
  padding: 12px;
  background: var(--accent);
  color: var(--accent-contrast, #fff);
  border: 0;
  border-radius: var(--fb2-radius-sm);
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  cursor: not-allowed;
  opacity: 0.9;
}

/* =============================================================================
   Phase 7 — Logique conditionnelle (rule builder)
   ============================================================================= */
.fb2-logic-rules {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 4px;
}
.fb2-logic-rule {
  display: grid;
  grid-template-columns: 1fr 90px 1fr auto;
  gap: 4px;
  align-items: center;
  padding: 4px;
  background: var(--bg-primary);
  border: 1px solid var(--border-default);
  border-radius: 6px;
}
.fb2-logic-rule select,
.fb2-logic-rule input {
  width: 100%;
  padding: 4px 6px;
  font-size: 12px;
  background: transparent;
  border: 0;
  color: var(--text-primary);
  font-family: inherit;
}
.fb2-logic-rule select:focus,
.fb2-logic-rule input:focus {
  outline: 1px solid var(--accent);
  border-radius: 4px;
}
.fb2-logic-rule input:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}
.fb2-logic-remove {
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 0;
  color: var(--text-tertiary);
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.fb2-logic-remove:hover {
  background: var(--color-red-bg);
  color: var(--color-red-text);
}

/* =============================================================================
   Phase 9 — Autosave indicator + Calculated field formula UI
   ============================================================================= */
.fb2-autosave {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  color: var(--text-tertiary);
  padding: 4px 8px;
  border-radius: 999px;
  background: var(--bg-surface-hover);
  transition: color 0.2s, background 0.2s;
  white-space: nowrap;
}
.fb2-autosave[data-state="dirty"]  { color: var(--color-amber-text); background: var(--color-amber-bg); }
.fb2-autosave[data-state="saving"] { color: var(--color-blue-text);  background: var(--color-blue-bg); }
.fb2-autosave[data-state="saved"],
.fb2-autosave[data-state="idle"]   { color: var(--color-green-text); background: var(--color-green-bg); }
.fb2-autosave[data-state="error"]  { color: var(--color-red-text);   background: var(--color-red-bg); }

.fb2-formula-vars {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 4px;
}
.fb2-formula-var {
  padding: 3px 8px;
  font-size: 11px;
  font-family: ui-monospace, monospace;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 8%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 20%, transparent);
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.15s;
}
.fb2-formula-var:hover { background: color-mix(in srgb, var(--accent) 16%, transparent); }

/* =============================================================================
   Phase 9.4 — Theme swatches
   ============================================================================= */
.fb2-theme-swatch {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px 4px 6px;
  border: 1px solid var(--border-default);
  border-radius: 999px;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  font-size: 12px;
  color: var(--text-secondary);
  background: var(--bg-surface);
}
.fb2-theme-swatch input { display: none; }
.fb2-theme-swatch-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--swatch, var(--accent));
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.1);
  flex-shrink: 0;
}
.fb2-theme-swatch:hover {
  border-color: var(--swatch, var(--accent));
  background: var(--bg-surface-hover);
}
.fb2-theme-swatch.is-selected,
.fb2-theme-swatch:has(input:checked) {
  border-color: var(--swatch, var(--accent));
  color: var(--text-primary);
  background: color-mix(in srgb, var(--swatch, var(--accent)) 8%, var(--bg-surface));
}

/* =============================================================================
   Phase 9.7 — Stats strip widget
   ============================================================================= */
.fb2-stats-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  padding: 14px 18px;
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--fb2-radius);
  align-items: center;
}
.fb2-stats-item {
  display: flex;
  flex-direction: column;
  min-width: 70px;
}
.fb2-stats-value {
  font-family: "Poppins", "Inter", system-ui, sans-serif;
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
}
.fb2-stats-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-tertiary);
  font-weight: 600;
  margin-top: 2px;
}
.fb2-stats-link {
  margin-left: auto;
  color: var(--accent);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  transition: opacity 0.15s;
}
.fb2-stats-link:hover { opacity: 0.75; }

/* =============================================================================
   Settings compact (Description + Statut + Paramètres avancés)
   ============================================================================= */
.fb2-settings {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--fb2-radius);
  overflow: hidden;
}

.fb2-settings-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 10px 14px;
  align-items: flex-end;
}
.fb2-settings-row + .fb2-settings-row,
.fb2-settings-body .fb2-settings-row {
  padding-top: 0;
}

.fb2-settings-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 180px;
  flex: 1 1 220px;
}
.fb2-settings-field--grow { flex: 2 1 320px; }
.fb2-settings-field--status { flex: 0 1 200px; min-width: 160px; }

.fb2-settings-label {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-tertiary);
  margin: 0;
}

.fb2-settings-input {
  width: 100%;
  padding: 7px 10px;
  font-size: 13px;
  font-family: inherit;
  color: var(--text-primary);
  background: var(--bg-primary);
  border: 1px solid var(--border-default);
  border-radius: var(--fb2-radius-sm);
  transition: border-color 0.15s, box-shadow 0.15s, background 0.15s;
}
.fb2-settings-input:hover { border-color: var(--text-tertiary); }
.fb2-settings-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 15%, transparent);
  background: var(--bg-surface);
}
.fb2-settings-input::placeholder { color: var(--text-tertiary); }

select.fb2-settings-input {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 28px;
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' viewBox='0 0 24 24'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
  background-size: 14px;
}

/* ── Disclosure ────────────────────────────────────────────────── */
.fb2-settings-advanced {
  border-top: 1px solid var(--border-default);
}
.fb2-settings-advanced-head {
  list-style: none;
  cursor: pointer;
  padding: 8px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  transition: background 0.15s;
  user-select: none;
}
.fb2-settings-advanced-head::-webkit-details-marker { display: none; }
.fb2-settings-advanced-head:hover { background: var(--bg-surface-hover); }
.fb2-settings-advanced-title {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
}
.fb2-settings-advanced[open] .fb2-settings-advanced-title { color: var(--text-primary); }
.fb2-settings-chevron {
  color: var(--text-tertiary);
  transition: transform 0.2s;
  flex-shrink: 0;
}
.fb2-settings-advanced[open] .fb2-settings-chevron { transform: rotate(180deg); }

.fb2-settings-body {
  padding: 4px 14px 12px;
  border-top: 1px solid var(--border-default);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.fb2-settings-body .fb2-settings-row { padding: 0; }
/* En flex-column, les enfants .fb2-settings-field auraient un flex-grow:1 qui
   les ferait s'étirer verticalement → on les fige à leur hauteur naturelle. */
.fb2-settings-body > .fb2-settings-field { padding: 0; flex: 0 0 auto; min-width: 0; }

/* ── Swatches (surcharge compacte) ─────────────────────────────── */
.fb2-settings-swatches {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.fb2-settings-swatches .fb2-theme-swatch {
  padding: 3px 10px 3px 5px;
  font-size: 11px;
}

/* ── Toggles pill ──────────────────────────────────────────────── */
.fb2-settings-toggles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 8px;
}
.fb2-settings-toggle {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  background: var(--bg-primary);
  border: 1px solid var(--border-default);
  border-radius: var(--fb2-radius-sm);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.fb2-settings-toggle:hover {
  border-color: var(--text-tertiary);
  background: var(--bg-surface-hover);
}
.fb2-settings-toggle input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.fb2-settings-toggle-track {
  position: relative;
  width: 32px;
  height: 18px;
  flex-shrink: 0;
  border-radius: 999px;
  background: var(--bg-surface-hover);
  border: 1px solid var(--border-default);
  transition: background 0.2s, border-color 0.2s;
}
.fb2-settings-toggle-track::after {
  content: "";
  position: absolute;
  top: 1px;
  left: 1px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
  transition: transform 0.2s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.fb2-settings-toggle input:checked ~ .fb2-settings-toggle-track {
  background: var(--accent);
  border-color: var(--accent);
}
.fb2-settings-toggle input:checked ~ .fb2-settings-toggle-track::after {
  transform: translateX(14px);
}
.fb2-settings-toggle input:checked ~ .fb2-settings-toggle-text strong {
  color: var(--text-primary);
}
.fb2-settings-toggle-text {
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-width: 0;
  line-height: 1.3;
}
.fb2-settings-toggle-text strong {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-secondary);
}
.fb2-settings-toggle-text small {
  font-size: 11px;
  color: var(--text-tertiary);
}

/* ── Meta URL ──────────────────────────────────────────────────── */
.fb2-settings-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  background: var(--bg-primary);
  border: 1px dashed var(--border-default);
  border-radius: var(--fb2-radius-sm);
  font-size: 11.5px;
}
.fb2-settings-meta-label {
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 10px;
  color: var(--text-tertiary);
  flex-shrink: 0;
}
.fb2-settings-meta-url {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 11px;
  color: var(--text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
  min-width: 0;
}

/* Hidden output field */
.fb2 input[type="hidden"] { display: none; }