/* ==========================================================================
   B.OCR Web - Split PDF Styles (Ref: update.md Section 20-22)
   Support: Single page, custom pages, page ranges, and visual page chips
   ========================================================================== */

.split-mode-selector {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--surface-2);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 10px;
}

.split-radio-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text);
  cursor: pointer;
}

.split-radio-label input[type="radio"] {
  accent-color: var(--accent);
}

.range-input-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

/* Quick Presets Buttons */
.split-quick-presets {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 4px;
}

.btn-quick-range {
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 10.5px;
  padding: 3px 7px;
  border-radius: var(--radius-xs);
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-quick-range:hover {
  background: var(--surface-hover);
  color: var(--text);
  border-color: var(--border-strong);
}

/* Visual Page Chips Grid */
.page-chips-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  max-height: 140px;
  overflow-y: auto;
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  padding: 8px;
  border-radius: var(--radius-xs);
  margin-top: 4px;
}

.page-chip {
  width: 32px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  cursor: pointer;
  user-select: none;
  transition: all 0.15s ease;
}

.page-chip:hover {
  border-color: var(--accent-border);
  color: var(--text);
}

.page-chip.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #ffffff;
  font-weight: 600;
}

.split-plan-summary {
  background: rgba(59, 130, 246, 0.08);
  border: 1px solid var(--accent-border);
  border-radius: var(--radius-xs);
  padding: 8px 10px;
  font-size: 11px;
  color: var(--accent);
  line-height: 1.4;
  margin-top: 6px;
}