/* 遊戲內的教學卡（index.html 也用同一份 learn.css；P0-07 第 6 項）。
   learn.css 的主色是教學頁的淺色系（--site-*），這裡只覆蓋顏色與捲動，不改結構——
   覆蓋的用意是「同一份內容、兩種介面」，不是兩套樣板。 */
.modal.learn-layer { z-index: 30; }
.learn-card { max-height: min(86vh, 900px); display: flex; flex-direction: column; }
.learn-card > h2 { margin: 0 0 12px; }
.learn-card .modal-actions { margin-top: 14px; }
.learn-scroll { overflow: auto; padding-right: 4px; }
.learn-in-app { color: var(--text, #efe9df); }
.learn-in-app .learn-entry { background: var(--panel, #16181d); border-color: var(--line, #2c3038); }
.learn-in-app .learn-entry:target { outline: none; }
.learn-in-app .learn-tai, .learn-in-app .learn-win small { color: var(--gold, #d9b56b); }
.learn-in-app .learn-example h4, .learn-in-app .learn-engine, .learn-in-app .learn-version { color: var(--muted, #9aa2ad); }
.learn-in-app .learn-counter { border-top-color: var(--line, #2c3038); }
.learn-in-app .learn-meld { background: rgba(255,255,255,.07); }
.learn-in-app .learn-tags span { background: rgba(255,255,255,.09); }
.learn-in-app .learn-anchor { color: var(--muted, #9aa2ad); }
.learn-in-app .learn-entries { margin-top: 0; }

/* 結算畫面與台數一覽裡的台數：可點開教學卡。做成按鈕而不是連結——它不離開這一頁，
   所以不該有連結的語意（也不該讓瀏覽器有開新視窗的機會）。 */
.res-learn { padding: 0; border: 0; background: none; color: inherit; font: inherit; text-align: left; cursor: pointer; text-decoration: underline dotted rgba(217,181,107,.7); text-underline-offset: 3px; }
.res-learn:hover { color: var(--gold, #d9b56b); }

/* 台灣十六張基礎教學頁（learn.html，P0-07） */
html:has(body.learn-page), body.learn-page { height: auto; overflow: auto; }
.learn-page { background: var(--site-bg-color, #f6f1e6); color: var(--site-ink, #2a2622); font-family: var(--font, "Noto Sans TC", sans-serif); margin: 0; }
.learn-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px 24px; border-bottom: 1px solid var(--site-line, #d9cfbd); background: var(--site-dialog, #fbf8f1); position: sticky; top: 0; z-index: 2; flex-wrap: wrap; }
.learn-brand { font-family: var(--site-display, "Noto Serif TC", serif); font-weight: 900; font-size: 20px; color: inherit; text-decoration: none; letter-spacing: .06em; }
.learn-head nav { display: flex; gap: 18px; flex-wrap: wrap; }
.learn-head nav a { color: var(--site-accent, #8a5a2b); text-decoration: none; font-size: 14px; }
.learn-head nav a:hover { text-decoration: underline; }
.learn-main { max-width: 880px; margin: 0 auto; padding: 32px 16px 64px; line-height: 1.8; }
.learn-main h1 { font-family: var(--site-display, "Noto Serif TC", serif); font-size: clamp(26px, 5vw, 38px); margin: 0 0 12px; letter-spacing: .06em; }
.learn-main h2 { font-family: var(--site-display, "Noto Serif TC", serif); margin: 48px 0 12px; padding-bottom: 6px; border-bottom: 1px solid var(--site-line, #d9cfbd); }
.learn-main h3 { margin: 26px 0 6px; }
.learn-lead { color: var(--site-muted, #6f665c); }
.learn-entries { display: grid; gap: 22px; margin-top: 18px; }
.learn-entry { border: 1px solid var(--site-line, #d9cfbd); border-radius: 6px; padding: 18px 20px; background: var(--site-dialog, #fbf8f1); scroll-margin-top: 80px; }
.learn-entry:target { outline: 2px solid var(--site-accent, #8a5a2b); outline-offset: 2px; }
.learn-entry header { display: flex; align-items: baseline; gap: 12px; }
.learn-entry h3 { margin: 0; font-size: 20px; }
.learn-tai { color: var(--site-accent, #8a5a2b); }
.learn-anchor { margin-left: auto; color: var(--site-muted, #6f665c); text-decoration: none; }
.learn-entry.is-incomplete { border-color: #c0392b; }
.learn-warn { color: #c0392b; font-weight: 700; }
.learn-example { margin-top: 14px; }
.learn-example h4 { margin: 0 0 8px; font-size: 14px; color: var(--site-muted, #6f665c); letter-spacing: .1em; }
.learn-counter { border-top: 1px dashed var(--site-line, #d9cfbd); padding-top: 12px; }
.learn-hand { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 10px 14px; padding-bottom: 8px; }
.learn-tiles, .learn-meld, .learn-flowers, .learn-win { display: inline-flex; gap: 3px; align-items: flex-end; }
.learn-tiles { flex-wrap: wrap; row-gap: 8px; }
.learn-entries > * { min-width: 0; }
.learn-win { flex-direction: column; align-items: center; gap: 2px; }
.learn-win small { font-size: 12px; color: var(--site-accent, #8a5a2b); }
.learn-meld { padding: 3px; border-radius: 6px; background: rgba(0,0,0,.05); }
.learn-hand .tile { width: 30px; height: 41px; }
/* 沒有 JavaScript 時的文字牌（預先寫進 HTML 的版本） */
.tile-text { display: inline-block; padding: 2px 6px; border: 1px solid var(--site-line, #d9cfbd); border-radius: 4px; background: #fffdf7; font-size: 13px; line-height: 1.5; }
.tile-text.hi { border-color: var(--site-accent, #8a5a2b); font-weight: 700; }
.learn-hand .tile.sm { width: 24px; height: 33px; }
.learn-tags { display: flex; flex-wrap: wrap; gap: 6px; margin: 4px 0 0; }
.learn-tags span { font-size: 12px; padding: 1px 8px; border-radius: 999px; background: rgba(0,0,0,.06); }
.learn-engine { margin: 8px 0 4px; font-size: 13px; color: var(--site-muted, #6f665c); }
.learn-items { display: flex; flex-wrap: wrap; gap: 6px 14px; list-style: none; padding: 0; margin: 0; }
.learn-items li { display: inline-flex; gap: 6px; font-size: 14px; }
.learn-version { margin-top: 24px; font-size: 13px; color: var(--site-muted, #6f665c); }
.learn-cta { margin-top: 40px; text-align: center; }
@media (max-width: 600px) {
  .learn-hand .tile { width: 20px; height: 28px; }
  .learn-tiles, .learn-meld { gap: 2px; }
  .learn-hand .tile.sm { width: 18px; height: 25px; }
  .learn-entry { padding: 14px; }
}