/* Explicit fraction work uses the same bound draft and submission controls. */
#hayato-root .fraction-practice-input { margin: 12px 0 18px; min-width: 0; }
#hayato-root .fraction-practice-input fieldset { min-width: 0; margin: 16px 0; padding: 16px; background: #f6f9fe; border: 1px solid #bfd0e8; border-radius: 12px; }
#hayato-root .fraction-practice-input legend { font-size: 16px; font-weight: 650; padding: 0 6px; color: #294369; }
#hayato-root .fraction-input-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 12px; }
#hayato-root .fraction-input-item { min-width: 0; }
#hayato-root .fraction-input-item label { display: block; margin-bottom: 7px; font-size: 14px; color: #364e70; }
#hayato-root .fraction-input-item input { display: block; width: 100%; background: #fff; border: 1px solid #9eb4d3; border-radius: 10px; min-height: 48px; font-size: 20px; text-align: center; font-variant-numeric: tabular-nums; }
#hayato-root .fraction-reason-options .answer-option { display: flex; align-items: flex-start; gap: 10px; margin: 10px 0 0; background: #fff; padding: 12px; color: #22354e; min-height: 48px; }
#hayato-root .fraction-reason-options input { margin-top: 4px; flex: 0 0 20px; width: 20px; height: 20px; }
#hayato-root .fraction-reason-options .answer-option span { min-width: 0; font-size: 16px; line-height: 1.8; }
#hayato-root .fraction-draft-unreadable { margin-top: 12px; border: 1px solid #d3bd91; border-radius: 10px; padding: 12px; }
@media (max-width: 620px) {
  #hayato-root .fraction-practice-input fieldset { padding: 12px; }
  #hayato-root .fraction-input-grid { grid-template-columns: 1fr; gap: 10px; }
  #hayato-root .fraction-input-item { display: grid; grid-template-columns: minmax(0,1fr) 100px; align-items: center; gap: 10px; }
  #hayato-root .fraction-input-item label { margin: 0; font-size: 16px; }
}
@media (forced-colors: active) {
  #hayato-root .fraction-practice-input :is(fieldset,input,.answer-option) { border-color: CanvasText; }
}