.settings-section {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  margin-bottom: var(--space-md);
}

.settings-section-title {
  font-size: 1rem;
  margin-bottom: var(--space-md);
  color: var(--text-primary);
}

.settings-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--border-color);
}

.settings-row:last-child {
  border-bottom: none;
}

.settings-label {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-primary);
  display: block;
}

.settings-hint {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 2px;
}

.settings-number-input {
  width: 70px;
  padding: 6px 8px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: var(--bg-secondary);
  color: var(--text-primary);
  text-align: center;
}

.settings-slider-group {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.settings-slider-group input[type="range"] {
  width: 140px;
}

#font-size-value {
  font-size: 0.85rem;
  color: var(--text-secondary);
  min-width: 40px;
}

/* Toggle switch */
.toggle-switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
  flex-shrink: 0;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background: var(--border-color);
  border-radius: 24px;
  transition: background var(--transition-fast);
}

.toggle-slider::before {
  content: "";
  position: absolute;
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background: white;
  border-radius: 50%;
  transition: transform var(--transition-fast);
}

.toggle-switch input:checked + .toggle-slider {
  background: var(--accent);
}

.toggle-switch input:checked + .toggle-slider::before {
  transform: translateX(20px);
}

.settings-actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.settings-save-status {
  color: var(--success);
  font-weight: 600;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.settings-save-status-visible {
  opacity: 1;
}

:root { --reader-font-size: 16px; }
.note-card-content, .reader-text-content { font-size: var(--reader-font-size); }

body.high-contrast {
  --text-secondary: #3e4b47;
  --border-color: #7a8580;
}

body[data-theme="dark"].high-contrast {
  --text-secondary: #d1d5db;
  --border-color: rgba(255, 255, 255, 0.3);
}

@media (max-width: 560px) {
  .settings-row { align-items: flex-start; flex-direction: column; }
  .settings-row > input[type="number"], .settings-slider-group { align-self: stretch; }
  .settings-slider-group input[type="range"] { flex: 1; width: auto; }
  .settings-actions { align-items: stretch; flex-direction: column; }
}