/* 語錄道場前台：純文字、系統字體、限寬閱讀（D-005）。對比度以 WCAG AA 為下限。 */
:root{--paper:#f6f3ed;--surface:#fffdf7;--ink:#1f2e26;--muted:#4f5c53;--accent:#9a4a2c;--accent-ink:#fff;--line:#d6d3c6;--focus:#9a4a2c;--measure:46rem;--wide:72rem}
@media (prefers-color-scheme:dark){:root{--paper:#161b18;--surface:#1f2622;--ink:#ece8df;--muted:#b9b6ac;--accent:#e39a76;--accent-ink:#161b18;--line:#39423c;--focus:#e39a76}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:system-ui,-apple-system,"Segoe UI","Noto Sans TC","PingFang TC","Hiragino Sans","Microsoft JhengHei",sans-serif;line-height:1.8;font-size:1.0625rem}
:lang(zh-CN) body,body:lang(zh-CN){font-family:system-ui,-apple-system,"Segoe UI","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif}
:lang(ja) body,body:lang(ja){font-family:system-ui,-apple-system,"Segoe UI","Hiragino Sans","Noto Sans JP","Yu Gothic UI",Meiryo,sans-serif}
a{color:inherit;text-decoration:underline;text-decoration-color:var(--line);text-underline-offset:.2em}
a:hover{color:var(--accent);text-decoration-color:currentColor}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--focus);outline-offset:3px}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3{line-height:1.35;letter-spacing:-.01em}
h1{font-size:clamp(2rem,5vw,3.6rem);margin:.4em 0}
h2{font-size:clamp(1.3rem,2.6vw,1.7rem);margin:2.2em 0 .7em}
h3{font-size:1.2rem;margin:.3em 0}
p{margin:0 0 1em}
small{color:var(--muted)}
.skip-link{position:absolute;left:-999px;top:0;background:var(--accent);color:var(--accent-ink);padding:.6rem 1rem;z-index:10}
.skip-link:focus{left:1rem;top:1rem}
.container-fluid{width:100%;padding-left:max(1rem,4vw);padding-right:max(1rem,4vw)}
.reading-shell{max-width:var(--wide);margin:0 auto;padding-bottom:4rem}
.eyebrow{display:inline-block;font-size:.78rem;letter-spacing:.18em;font-weight:700;color:var(--accent);text-transform:uppercase}

/* 頁首／頁尾 */
.site-header{display:flex;flex-wrap:wrap;gap:1rem 2rem;align-items:center;justify-content:space-between;padding-top:1.1rem;padding-bottom:1.1rem;border-bottom:1px solid var(--line);max-width:calc(var(--wide) + 8vw);margin:0 auto}
.brand{display:flex;align-items:center;gap:.6rem;font-weight:800;font-size:1.15rem;text-decoration:none}
.brand-mark{display:inline-grid;place-items:center;width:2rem;height:2rem;border-radius:4px;background:var(--ink);color:var(--paper);font-size:1rem}
.site-header nav{display:flex;flex-wrap:wrap;gap:.3rem 1.3rem}
.site-header nav a{text-decoration:none;padding:.2rem 0;border-bottom:2px solid transparent}
.site-header nav a[aria-current=page]{border-bottom-color:var(--accent);font-weight:700}
.locale-switch{position:relative}
.locale-switch summary{cursor:pointer;list-style:none;border:1px solid var(--line);border-radius:4px;padding:.25rem .8rem;background:var(--surface)}
.locale-switch summary::-webkit-details-marker{display:none}
.locale-switch summary::after{content:" ▾"}
.locale-switch div{position:absolute;right:0;top:calc(100% + .4rem);background:var(--surface);border:1px solid var(--line);border-radius:4px;display:grid;min-width:10rem;z-index:5;box-shadow:0 6px 20px rgb(0 0 0/.08)}
.locale-switch div a{padding:.55rem .9rem;text-decoration:none}
.locale-switch div a:hover{background:var(--paper)}
.site-footer{border-top:1px solid var(--line);padding-top:2rem;padding-bottom:2.5rem;display:grid;gap:1rem;max-width:calc(var(--wide) + 8vw);margin:0 auto}
.site-footer p{margin:.2rem 0 0}

/* 首頁 */
.hero{padding:4rem 0 2.5rem;max-width:var(--measure)}
.hero h1{white-space:normal}
.hero p{font-size:1.15rem;color:var(--muted)}
.actions{display:flex;flex-wrap:wrap;gap:.8rem;align-items:center;margin-top:1.5rem}
.button{display:inline-flex;align-items:center;gap:.4rem;border:1px solid var(--ink);background:var(--ink);color:var(--paper);padding:.65rem 1.2rem;border-radius:4px;font-weight:700;text-decoration:none;cursor:pointer}
.button:hover{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.button.secondary{background:transparent;color:var(--ink)}
.button.secondary:hover{color:var(--accent-ink)}
.button[disabled]{opacity:.6;cursor:progress}
.text-button{white-space:nowrap;border:0;background:none;padding:.2rem 0;color:var(--accent);font-weight:700;cursor:pointer;text-decoration:underline;text-underline-offset:.2em}
.daily-card,.random-panel,.quote-card,.topic-card{background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:clamp(1.2rem,3vw,2.2rem)}
.daily-card{margin:1rem 0 2rem;max-width:var(--measure)}
blockquote{margin:.8rem 0 1rem;font-size:clamp(1.25rem,2.6vw,1.7rem);line-height:1.6;font-weight:600;overflow-wrap:anywhere}
.section-heading{display:flex;justify-content:space-between;align-items:baseline;gap:1rem;margin-top:3rem}
.section-heading h2{margin:0}
.category-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:.8rem;margin-top:1.2rem}
.category-grid a,.latest-link{display:flex;justify-content:space-between;gap:1rem;background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:1.1rem 1.2rem;text-decoration:none;font-weight:600}
.category-grid a:hover,.latest-link:hover{border-color:var(--accent)}
.latest-link{margin-bottom:.6rem;max-width:var(--measure)}
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-top:1.2rem}
.topic-card h3 a{text-decoration:none}
.topic-card p{color:var(--muted);font-size:.97rem}
.text-link{font-weight:700;color:var(--accent)}
.random-panel{margin-top:3rem}
.random-panel h2{margin-top:.4rem}

/* 內頁 */
.breadcrumbs{margin-top:2rem;font-size:.92rem;color:var(--muted)}
.page-title{margin-top:.3rem}
.article{max-width:var(--measure)}
.article .lead{font-size:1.2rem;color:var(--ink)}
.article .quote-card{margin:1.4rem 0}
.article .quote-card p{color:var(--muted);margin-bottom:.4rem}
.attribution{font-size:.9rem;color:var(--muted)}
.filter-form{display:flex;flex-wrap:wrap;gap:.8rem 1rem;align-items:flex-end;margin:1.2rem 0}
.filter-form label{display:grid;gap:.25rem;font-size:.9rem;font-weight:600}
.filter-form input,.filter-form select{min-width:12rem;padding:.5rem .7rem;border:1px solid var(--line);border-radius:4px;background:var(--surface)}
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--line);border-radius:6px;background:var(--surface)}
.table-wrap table{width:100%;border-collapse:collapse}
.table-wrap th,.table-wrap td{padding:.9rem 1rem;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.table-wrap th{font-size:.85rem;letter-spacing:.06em;color:var(--muted)}
.table-wrap tr:last-child td{border-bottom:0}
.table-wrap td:first-child{overflow-wrap:anywhere}
.pagination{display:flex;gap:1.2rem;align-items:center;margin-top:1.4rem}
.empty-state{padding:2rem;border:1px dashed var(--line);border-radius:6px;color:var(--muted);max-width:var(--measure)}

/* 語言入口 */

/* 錯誤頁 */
.error-page{max-width:var(--measure);margin:0 auto;padding:14vh max(1rem,4vw) 8vh}
.error-page .code{font-size:clamp(3rem,10vw,6rem);font-weight:800;line-height:1;color:var(--accent)}
.error-page ul{padding-left:1.2rem}

@media (max-width:900px){.category-grid,.topic-grid{grid-template-columns:1fr 1fr}}
@media (max-width:600px){
  body{font-size:1rem}
  .site-header{gap:.7rem}
  .site-header nav{order:3;width:100%;overflow-x:auto;flex-wrap:nowrap;gap:1.1rem;padding-bottom:.2rem}
  .site-header nav a{white-space:nowrap}
  .hero{padding-top:2.2rem}
  .category-grid,.topic-grid{grid-template-columns:1fr}
  .filter-form input,.filter-form select{min-width:0;width:100%}
  .filter-form label{width:100%}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}
@media print{.site-header nav,.locale-switch,.actions,.filter-form,.text-button{display:none}}

/* Phase 4 元件 */
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.page-lead{font-size:1.1rem;color:var(--muted);max-width:var(--measure)}
.h3{font-size:1.2rem;margin:.3em 0}
.actions.compact{margin-top:.6rem;gap:1.2rem}
.context{color:var(--muted)}
.quote-card .attribution a{color:var(--muted)}
.latest-list{list-style:none;padding:0;margin:1rem 0 0;max-width:var(--measure)}
.latest-list li{padding:.9rem 0;border-bottom:1px solid var(--line);font-weight:600}
.cell-actions{width:1%;white-space:nowrap}
.result-count{color:var(--muted);font-size:.95rem}
.intro-block{margin-top:3rem;max-width:var(--measure)}
.share-line{overflow-wrap:anywhere}
.topic-grid .topic-card{display:flex;flex-direction:column}
.topic-grid .topic-card .text-link{margin-top:auto}
.ad-slot{min-height:90px;margin:2rem 0;border:1px dashed var(--line);border-radius:6px}