.poetry-page .learning-toolbar-inner { min-height: 48px; padding-block: max(2px, env(safe-area-inset-top)) 2px; }
.poetry-page .learning-main { width: min(820px, 100%); padding: 0; }
.poetry-page .poetry-heading h1 { font-size: 1.65rem; }
.poetry-page { --accent: #a43759; }
.poetry-page { font-size: 18px; }
.poetry-fill button, .poetry-fill select { font: inherit; touch-action: manipulation; }
.poetry-fill button { cursor: pointer; }
.poetry-fill button:disabled { cursor: default; }
.poetry-fill button:focus-visible, .poetry-fill select:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }
.poetry-fill [hidden] { display: none !important; }
.poetry-fill { width: min(780px, 100%); margin: auto; padding: 10px 14px; font-size: 17px; line-height: 1.6; }
.poetry-fill .poetry-heading { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.poetry-fill .poetry-loading { color: var(--muted); font-size: .95rem; }
.poetry-fill .poetry-loading p { margin: 8px 0; }
.poetry-fill h1 { margin: 0; font-size: 1.65rem; }
.poetry-fill .poem-picker { display: flex; align-items: center; gap: 12px; margin-block: 12px 18px; font-size: .95rem; }
.poetry-fill .poem-picker select { flex: 1; }
.poetry-fill .poem-picker .progress { display: flex; flex-shrink: 0; gap: 12px; font-size: .85rem; white-space: nowrap; }
.poetry-fill select { min-width: 0; min-height: 44px; max-width: 100%; padding: 6px 8px; border: 1px solid var(--line); border-radius: 12px; background: #fff; color: var(--text); }
.poetry-fill .poem-card { padding: 12px 18px; text-align: center; }
.poetry-fill .progress, .poetry-fill .poem-author { margin: 0; color: var(--muted); font-size: .85rem; }
.poetry-fill h2 { display: flex; justify-content: center; align-items: flex-end; gap: 4px; margin: 6px 0 2px; font-size: 1.45rem; }
.poetry-fill #poemTitle:focus { outline: none; }
.poetry-fill .poem-lines { margin: 8px 0 12px; min-height: 208px; font-family: "KaiTi", "STKaiti", "Microsoft YaHei", serif; font-size: clamp(1.4rem, 5vw, 1.8rem); line-height: 1.25; }
.poetry-fill .poem-lines p { display: flex; justify-content: center; align-items: flex-end; gap: 4px; min-height: 52px; margin: 0; padding-block: 3px; }
.poetry-fill ruby { display: inline-flex; flex-direction: column-reverse; align-items: center; min-width: 1em; }
.poetry-fill rt { display: block; font: 750 .52em/1.45 "Segoe UI", "Microsoft YaHei", sans-serif; color: #67504e; }
.poetry-fill .poem-punctuation { line-height: 1.25; }
.poetry-fill .poem-lines .welcome-icon { font-size: 3.5rem; }
.poetry-fill .poem-lines .welcome-text { font: 1.05rem/1.8 "Microsoft YaHei", sans-serif; color: var(--muted); }
.poetry-fill .poem-blank { display: inline-block; min-width: 1.3em; margin-inline: .08em; padding: 0 2px; border: 0; border-bottom: 2px solid var(--accent); border-radius: 6px; background: transparent; color: var(--accent); font: inherit; font-weight: 700; line-height: 1.45; }
.poetry-fill .poem-blank[aria-pressed="true"] { background: #fbdde7; outline: 2px solid var(--accent); outline-offset: 1px; }
.poetry-fill .filled-word { color: #36603b; }
.poetry-fill .answer-options { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.poetry-fill .answer-option { display: flex; align-items: center; justify-content: center; gap: 12px; min-height: 52px; border: 2px solid var(--line); border-radius: 14px; background: #fffaf6; color: var(--text); font-size: 1.65rem; font-weight: 700; }
.poetry-fill .answer-option:hover:not(:disabled) { border-color: var(--accent); background: #fff0f4; }
.poetry-fill .answer-option.wrong { border-color: #c55b65; background: #fff0f0; }
.poetry-fill .answer-option.correct { border-color: #6b946c; background: #eaf4e4; }
.poetry-fill .answer-option:disabled:not(.correct):not(.wrong) { opacity: .5; }
.poetry-fill .feedback { min-height: 28px; margin: 8px 0; color: var(--muted); font-size: .95rem; font-weight: 600; }
.poetry-fill .feedback.correct { color: #36603b; }
.poetry-fill .feedback.wrong { color: #a43759; }
.poetry-fill .poetry-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.poetry-fill .primary-button, .poetry-fill .quiet-button { min-height: 44px; padding: 9px 20px; border: 1px solid var(--line); border-radius: 999px; background: #fff6f4; color: var(--accent); font-weight: 700; }
.poetry-fill .primary-button { border-color: var(--accent); background: var(--accent); color: #fff; }
.poetry-fill .primary-button:hover { background: #8e2b49; }
.poetry-fill .primary-button:active { background: #7d243f; }
.poetry-fill .primary-button:disabled { opacity: .45; }
.poetry-fill .quiet-button:disabled { opacity: .5; }
.poetry-fill .poetry-heading .quiet-button { flex-shrink: 0; padding-inline: 12px; font-size: .9rem; }
.poetry-fill .poetry-tip, .poetry-fill .sound-notice { margin: 6px 0 0; color: var(--muted); font-size: .8rem; text-align: center; }
.poetry-page .confetti { position: fixed; inset: 0; z-index: 100; overflow: hidden; pointer-events: none; }
.poetry-page .confetti-ribbon { position: absolute; top: -24px; left: var(--left); width: 9px; height: 20px; border-radius: 2px; background: var(--color); animation: poetry-ribbon-fall var(--duration) ease-in var(--delay) both; }
@keyframes poetry-ribbon-fall {
  from { transform: translate3d(0, -20px, 0) rotate(0); opacity: 1; }
  to { transform: translate3d(var(--drift), 105vh, 0) rotate(var(--turn)); opacity: .2; }
}
@media (max-width: 640px) {
  .poetry-fill { padding: 12px 10px; }
  .poetry-fill .poem-picker, .poetry-fill .poem-picker .progress { gap: 8px; }
  .poetry-fill .poem-card { padding: 10px 0; }
  .poetry-fill .poem-lines { margin: 12px 0 16px; font-size: 1.75rem; }
  .poetry-fill .poem-lines p { min-height: 60px; padding-block: 3px; }
  .poetry-fill .poem-lines p { gap: 2px; }
  .poetry-fill .answer-options { gap: 8px; }
  .poetry-fill .primary-button, .poetry-fill .quiet-button { padding-inline: 16px; }
}
@media (prefers-reduced-motion: reduce) {
  .poetry-page .confetti-ribbon { top: var(--left); animation: none; transform: rotate(var(--turn)); }
}