/* Extend the existing cinnabar, jade and paper visual language. */
[hidden] { display: none !important; }
.mode-switch { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.mode-button { padding: 24px; grid-template-columns: 1fr; gap: 12px; }
.mode-button span { grid-row: auto; }
.mode-button strong { font-size: clamp(22px, 2.4vw, 34px); }
.edition-section, .method-notes { max-width: 1304px; margin: 0 auto; padding: 68px 28px 12px; }
.edition-heading { max-width: 780px; }
.edition-heading h2, .method-notes h2 { font: 600 clamp(28px, 4vw, 44px)/1.3 var(--serif); margin: 0 0 16px; }
.edition-heading > p:last-child { color: var(--muted); line-height: 1.8; }
.edition-options { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; margin-top: 30px; }
.edition-card { display: flex; flex-direction: column; align-items: flex-start; min-width: 0; padding: 26px; border: 1px solid var(--line); background: rgba(255,255,255,.5); text-align: left; cursor: pointer; }
.edition-card.selected { background: var(--jade-dark); color: var(--paper); border-color: var(--jade-dark); }
.edition-card strong { font: 600 40px/1.2 var(--serif); margin-top: 16px; }
.edition-name { font-size: 12px; letter-spacing: .13em; }
.edition-card p { font-size: 13px; line-height: 1.85; min-height: 48px; opacity: .82; }
.edition-card small { margin-top: auto; border-top: 1px solid currentColor; padding-top: 15px; width: 100%; font-size: 12px; }
.edition-preview-note { color: var(--muted); font-size: 12px; line-height: 1.8; margin-top: 18px; }
.coin-reels { display: flex; justify-content: center; gap: clamp(18px, 5vw, 64px); margin: 38px auto 58px; }
.coin-reel { position: relative; flex: 0 1 145px; width: 145px; height: auto; aspect-ratio: 1; overflow: visible; border: 0; border-radius: 50%; background: url('/store/assets/kangxi-coin.jpg') left center / 200% 100% no-repeat; box-shadow: 0 16px 30px rgba(30,35,20,.18); }
.coin-reel[data-face="1"] { background-position: right center; }
.coin-reel::before, .coin-reel::after { display: none; }
.coin-reel span { position: absolute; top: calc(100% + 14px); left: 50%; transform: translateX(-50%); white-space: nowrap; color: var(--ink); font: 500 12px/1.5 var(--sans); }
.coin-reel.spinning { animation: coin-turn .35s linear infinite; }
@keyframes coin-turn { 0% { transform: rotateY(0) translateY(0); } 50% { transform: rotateY(180deg) translateY(-14px); } 100% { transform: rotateY(360deg) translateY(0); } }
.coin-instruction { text-align: center; color: var(--muted); font: 16px/1.8 var(--serif); }
.coin-controls { display: flex; justify-content: center; gap: 14px; }
.coin-controls button { min-width: 150px; min-height: 50px; border: 1px solid var(--jade-dark); padding: 12px 24px; background: transparent; cursor: pointer; }
.coin-controls .primary-action { width: auto; background: var(--jade-dark); color: white; }
.coin-controls button:disabled { opacity: .4; cursor: default; }
.coin-credit { text-align: center; font-size: 10px; color: var(--muted); margin-top: 28px; line-height: 1.8; }
.coin-credit a { color: inherit; }
.depth-report { padding-top: 40px; }
.depth-heading { border-top: 1px solid var(--line); padding-top: 32px; margin-bottom: 28px; }
.depth-heading h2 { font: 600 clamp(25px, 3vw, 36px)/1.4 var(--serif); }
.depth-item { padding: 24px 0; border-bottom: 1px solid var(--line); break-inside: avoid; }
.depth-item h3 { font: 600 22px/1.45 var(--serif); margin: 0 0 14px; }
.depth-meaning { font: 16px/1.95 var(--serif); max-width: 900px; white-space: pre-line; }
.evidence-details { margin-top: 20px; font-size: 12px; color: var(--muted); line-height: 1.85; }
.evidence-details summary { width: fit-content; cursor: pointer; color: var(--jade); }
.evidence-details h4 { margin: 18px 0 5px; color: var(--ink); }
.evidence-details p { overflow-wrap: anywhere; }
.evidence-links { display: flex; flex-wrap: wrap; gap: 8px 18px; }
.evidence-links a, .source-library a { color: var(--jade-dark); text-underline-offset: 4px; }
.reading-invitation { margin-top: 42px; padding: clamp(24px, 4vw, 48px); border-left: 3px solid var(--cinnabar); background: radial-gradient(ellipse at 95% 10%, rgba(203,234,120,.5), transparent 60%), var(--paper); }
.reading-invitation h3 { font: 600 29px/1.4 var(--serif); }
.reading-invitation p { max-width: 730px; font: 16px/1.9 var(--serif); }
.reading-invitation button { width: auto; margin: 14px 0; }
.reading-invitation small { display: block; font-size: 11px; color: var(--muted); line-height: 1.7; }
.coordinate-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.coordinate-row input { min-width: 0; }
.birth-time-detail { margin: 14px 0 24px; color: var(--muted); font-size: 12px; }
.birth-time-detail input { margin-top: 14px; }
.star-result-top { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); align-items: center; gap: 32px; }
#star-chart { width: 100%; height: auto; max-width: 640px; }
#star-summary p { font: 15px/1.8 var(--serif); }
#star-summary small { color: var(--muted); line-height: 1.8; }
.method-notes { padding-bottom: 64px; }
.method-notes > p, .method-notes details { color: var(--muted); font-size: 13px; line-height: 1.9; }
.method-notes details { margin-top: 26px; }
.source-library { display: flex; flex-wrap: wrap; gap: 12px; padding-top: 16px; }
.source-library a { padding: 10px 14px; border: 1px solid var(--line); font-size: 12px; }
button:focus-visible, a:focus-visible, summary:focus-visible { outline: 3px solid var(--cinnabar); outline-offset: 4px; }
@media (max-width: 800px) {
  .mode-switch { grid-template-columns: 1fr; }
  .mode-button { min-height: 108px; gap: 8px; }
  .edition-section, .method-notes { padding-left: 18px; padding-right: 18px; }
  .edition-card { padding: 18px 14px; }
  .edition-card strong { font-size: 29px; }
  .star-result-top { grid-template-columns: 1fr; }
  .culture-header { grid-template-columns: auto 1fr auto; gap: 14px; }
  .product-signature b { font-size: 21px; }
}
@media (max-width: 520px) {
  .edition-options { grid-template-columns: 1fr; gap: 10px; }
  .edition-card { display: grid; grid-template-columns: 1fr auto; gap: 12px; }
  .edition-card strong { margin-top: 0; grid-row: span 2; align-self: center; }
  .edition-card p { margin: 0; min-height: 0; }
  .edition-card small { grid-column: 1 / -1; }
  .coin-controls { flex-wrap: wrap; }
  .coin-controls button { min-width: 125px; }
  .coin-reel { max-width: 88px; }
  .reading-invitation h3 { font-size: 25px; }
  .coordinate-row { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .coin-reel.spinning { animation: none; }
  .mode-button, .edition-card { transition: none; }
}
@media print {
  .edition-section, .method-notes, .reading-invitation, .evidence-details { display: none !important; }
  .depth-item { padding: 14px 0; }
}