/* Variant question UI: selection screen and active variant. */
@layer components {
  .variant-selection { padding-block: var(--space-4); }
  .variant-selection-instruction {
    color: oklch(var(--oklch-ink-dark));
    font-size: 1rem;
    margin-block-end: var(--space-5);
  }
  .variant-selection-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
  }
  .variant-selection-card {
    background: oklch(var(--oklch-canvas-raised));
    border: 1px solid oklch(var(--oklch-border));
    border-radius: var(--radius-md);
    padding: var(--space-4) var(--space-5);
  }
  .variant-selection-card-header {
    align-items: baseline;
    display: flex;
    gap: var(--space-3);
    margin-block-end: var(--space-3);
  }
  .variant-selection-label {
    font-size: 1rem;
    font-weight: 600;
  }
  .variant-selection-marks {
    color: oklch(var(--oklch-ink-mid));
    font-size: 0.875rem;
  }

  .variant-prescribed-texts { margin-block-end: var(--space-3); }
  .variant-prescribed-texts--active { margin-block-end: var(--space-4); }
  .variant-prescribed-texts-toggle {
    color: oklch(var(--oklch-ink-dark));
    cursor: pointer;
    font-size: 0.875rem;
  }
  .variant-prescribed-texts-list {
    color: oklch(var(--oklch-ink-dark));
    font-size: 0.875rem;
    line-height: 1.6;
    margin: var(--space-2) 0 0 var(--space-4);
  }
  .prescribed-text-author { font-weight: 600; }
  .prescribed-text-works { color: oklch(var(--oklch-ink-mid)); }

  /* Active variant rendering */
  .variant-question-active-header {
    align-items: center;
    border-block-end: 1px solid oklch(var(--oklch-border));
    display: flex;
    justify-content: space-between;
    margin-block-end: var(--space-4);
    padding-block-end: var(--space-3);
  }
  .variant-back-btn {
    font-size: 0.8125rem;
    padding: var(--space-1) var(--space-3);
  }
  .variant-question-active-label {
    font-size: 1.05rem;
    font-weight: 700;
  }
  .variant-stem {
    color: var(--exam-font-colour, inherit);
    font-family: var(--exam-font-family, inherit);
    font-size: calc(1rem * var(--exam-font-scale, 1));
    line-height: var(--exam-line-height, 1.6);
    margin-block-end: var(--space-4);
  }
  .variant-item-label {
    color: oklch(var(--oklch-ink-mid));
    font-size: 0.875rem;
    font-weight: 600;
    margin-block-end: var(--space-2);
  }
}