/* ShiFu 研究室 · Graphite design system（參考 Linear / Raycast） */
:root{
  --bg:#0E0F12;--surface:#16171B;--surface-2:#1D1F24;--line:#26282E;--line-strong:#34373F;
  --text:#ECEDEF;--text-2:#A3A6AE;--text-3:#7C808A;
  --accent:#8A8FFF;--accent-fg:#0E0F12;--accent-soft:rgba(138,143,255,.14);
  --ok:#4CC38A;--ok-soft:rgba(76,195,138,.14);--warn:#E5B454;--warn-soft:rgba(229,180,84,.12);--danger:#F2555A;
  --radius:8px;--radius-sm:6px;
  --font:"Inter",-apple-system,BlinkMacSystemFont,"PingFang TC","Noto Sans TC","Microsoft JhengHei",sans-serif;
  --mono:"JetBrains Mono","SF Mono",ui-monospace,Menlo,Consolas,monospace;
  --fs-base:14px;--fs-sm:12.5px;--side-w:224px;
  --focus:0 0 0 2px var(--bg),0 0 0 4px var(--accent);
  color-scheme:dark;font-family:var(--font);font-size:var(--fs-base);line-height:1.6;color:var(--text);background:var(--bg)
}
*{box-sizing:border-box}
body{margin:0;-webkit-font-smoothing:antialiased}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}
h1,h2,h3{margin:0;line-height:1.3;letter-spacing:-.01em;font-weight:600;color:var(--text)}
h1{font-size:24px}h2{font-size:17px}h3{font-size:14px}
p{color:var(--text-2);margin:0}
:focus-visible{outline:none;box-shadow:var(--focus)}
button,input,select{font:inherit;color:inherit}
button{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:36px;padding:0 14px;border-radius:var(--radius-sm);border:1px solid var(--accent);background:var(--accent);color:var(--accent-fg);font-size:var(--fs-sm);font-weight:600;cursor:pointer;white-space:nowrap}
button:hover{filter:brightness(1.08)}
button:disabled{opacity:.45;cursor:not-allowed;filter:none}
.quiet{background:var(--surface);border-color:var(--line-strong);color:var(--text)}
.quiet:hover{background:var(--surface-2);filter:none}
input,select{min-height:38px;padding:0 12px;border:1px solid var(--line-strong);border-radius:var(--radius-sm);background:var(--surface);font-size:var(--fs-sm)}
input::placeholder{color:var(--text-3)}
input:focus,select:focus{border-color:var(--accent);box-shadow:var(--focus);outline:none}
.num,time,[data-seek]{font-family:var(--mono);font-variant-numeric:tabular-nums}

/* ---- App shell：側欄（桌面）／頂列（手機） ---- */
.app{display:grid;grid-template-columns:var(--side-w) minmax(0,1fr);min-height:100vh}
.side{position:sticky;top:0;height:100vh;display:flex;flex-direction:column;gap:2px;padding:16px 12px;border-right:1px solid var(--line);background:var(--surface)}
.brand{display:flex;align-items:center;gap:8px;padding:6px 8px 16px;color:var(--text);font-weight:650;white-space:nowrap}
.brand:hover{text-decoration:none}
.brand .mark{width:22px;height:22px;border-radius:6px;background:var(--accent);color:var(--accent-fg);display:grid;place-items:center;font-size:12px;font-weight:700}
.side nav{display:flex;flex-direction:column;gap:2px}
.side nav button{justify-content:flex-start;width:100%;background:none;border:0;color:var(--text-2);font-weight:500;font-size:var(--fs-base);padding:0 10px}
.side nav button:hover{background:var(--surface-2);color:var(--text)}
.side nav button[aria-current="page"]{background:var(--accent-soft);color:var(--text);font-weight:600}
.side nav .ico{width:16px;text-align:center;color:var(--text-3)}
.side .foot{margin-top:auto;padding:8px 10px;font-size:12px;color:var(--text-3)}
.side .foot button{margin-top:8px;width:100%;justify-content:flex-start;background:none;border:0;color:var(--text-2);padding:0}
.side .foot button:hover{color:var(--text)}
.app main>button{align-self:flex-start}
.app main{min-width:0;max-width:1180px;width:100%;margin:0 auto;padding:28px 32px 48px;display:flex;flex-direction:column;gap:20px}
footer{padding:20px 32px;color:var(--text-3);font-size:12px;border-top:1px solid var(--line)}

/* ---- 共用元件 ---- */
.eyebrow{font-size:12px;color:var(--text-3);font-family:var(--mono)}
.badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:550;padding:2px 9px;border-radius:999px;background:var(--ok-soft);color:var(--ok);white-space:nowrap;line-height:1.6}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.badge.pending{background:var(--surface-2);color:var(--text-2);box-shadow:inset 0 0 0 1px var(--line)}
.category,.tag{font-size:12px;padding:1px 8px;border-radius:var(--radius-sm);background:var(--surface-2);color:var(--text-2);white-space:nowrap}
.label{font-size:12px;color:var(--accent);font-weight:550}
.notice{display:flex;gap:10px;padding:10px 14px;border-radius:var(--radius-sm);background:var(--warn-soft);border:1px solid rgba(229,180,84,.28);color:var(--text);font-size:var(--fs-sm)}
.notice::before{content:"資料限制";color:var(--warn);font-weight:600;white-space:nowrap}
.panel{min-width:0;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px;display:flex;flex-direction:column;gap:10px}
.panel ul{margin:0;padding-left:18px;display:flex;flex-direction:column;gap:8px}
.panel li{color:var(--text-2)}
.progress{font-size:var(--fs-sm);color:var(--text-3);font-family:var(--mono)}
.empty{padding:40px;text-align:center;color:var(--text-3)}

/* ---- 場次資料庫 ---- */
.page-head{display:flex;align-items:flex-end;gap:16px;flex-wrap:wrap}
.page-head .lead{flex:1;min-width:240px;display:flex;flex-direction:column;gap:6px}
.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.stat{padding:16px 20px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}
.stat strong{display:block;font-family:var(--mono);font-size:24px;font-weight:600;letter-spacing:-.02em}
.stat small{font-size:var(--fs-sm);color:var(--text-2)}
.filters{display:flex;gap:8px;flex-wrap:wrap}
.filters input[type=search]{flex:1;min-width:200px}
.rows{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);overflow:hidden}
.row-head,.card{display:grid;grid-template-columns:150px minmax(0,1fr) 110px 130px 132px;gap:16px;align-items:center;padding:10px 20px}
.row-head{background:var(--bg);font-size:12px;color:var(--text-3);border-bottom:1px solid var(--line)}
.card{border-top:1px solid var(--line);cursor:pointer}
.card:first-of-type{border-top:0}
.card:hover{background:var(--surface-2)}
.card time{font-size:13px;color:var(--text-2)}
.card h2{font-size:14px;font-weight:600}
.card p{font-size:var(--fs-sm);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.card .meta{display:flex;flex-direction:column;min-width:0;gap:2px}
.card .dur{font-size:12px;color:var(--text-3);font-family:var(--mono)}
.card button{justify-self:end;background:none;border:1px solid var(--line-strong);color:var(--text)}
.card button:hover{background:var(--surface);filter:none}

/* ---- 場次詳情 ---- */
.detail-head{display:flex;flex-direction:column;gap:8px}
.detail-head .chips{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.detail-layout{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:20px;align-items:start}
.detail-layout>div{display:flex;flex-direction:column;gap:16px;min-width:0}
video{width:100%;background:#000;border-radius:var(--radius);max-height:62vh;display:block}
.video-note{font-size:var(--fs-sm);color:var(--text-3)}
aside{position:sticky;top:16px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
aside>h2{padding:12px 16px 0;font-size:14px}
aside>h2 small{color:var(--text-3);font-weight:400;font-family:var(--mono)}
aside>p{padding:2px 16px 10px;font-size:12px;color:var(--text-3);border-bottom:1px solid var(--line)}
.timeline{max-height:calc(100vh - 140px);overflow:auto}
.chapter{position:relative;display:grid;grid-template-columns:auto minmax(0,1fr);gap:2px 10px;padding:10px 16px;border-bottom:1px solid var(--line)}
.chapter:hover{background:var(--surface-2)}
.chapter>.label{grid-column:2;grid-row:2;color:var(--text-3);font-weight:400;font-size:12px}
.chapter>div{display:contents}
.chapter [data-seek]{grid-column:1;grid-row:1/span 2;align-self:start;min-height:28px;padding:0 6px;background:none;border:0;color:var(--accent);font-size:12.5px;font-weight:500}
.chapter [data-seek]:hover{background:var(--accent-soft);filter:none}
.chapter h3{grid-column:2;grid-row:1;font-size:14px;align-self:center}
.chapter p{grid-column:2;font-size:12.5px;line-height:1.55}
.chapter p b{color:var(--text-3);font-weight:500}
.chapter.active{background:var(--accent-soft)}
.chapter.active::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;border-radius:0 3px 3px 0;background:var(--accent)}

/* ---- 表格 ---- */
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:var(--radius)}
table{width:100%;border-collapse:collapse;font-size:var(--fs-sm);background:var(--surface)}
th,td{text-align:left;vertical-align:top;padding:10px 14px;border-bottom:1px solid var(--line);min-width:180px;color:var(--text-2)}
thead th{background:var(--bg);color:var(--text-3);font-weight:500}
tbody th,td:first-child{color:var(--text);font-weight:600}
td ul{margin:0;padding-left:16px}

/* ---- 登入 ---- */
body.login{min-height:100vh;display:grid;place-items:center;padding:24px}
.login-box{width:100%;max-width:400px;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:32px;display:flex;flex-direction:column;gap:12px}
.login h1{font-size:22px}
.login form{display:flex;flex-direction:column;gap:10px;margin:12px 0 4px}
.login label{font-size:var(--fs-sm);color:var(--text-2)}
.login small{color:var(--text-3);font-size:12px}
#error{color:var(--danger);font-size:var(--fs-sm);min-height:1em}

/* ---- 獨立報告頁（spoken-analysis，共用 header/main） ---- */
body:not(.login)>header{display:flex;align-items:center;gap:16px;height:52px;padding:0 24px;border-bottom:1px solid var(--line);background:var(--surface);position:sticky;top:0;z-index:5}
body:not(.login)>header .brand{padding:0}
body:not(.login)>main{max-width:760px;margin:0 auto;padding:32px 24px 64px;line-height:1.8;font-size:15px}
body:not(.login)>main h1{font-size:28px;margin:8px 0 16px}
body:not(.login)>main h2{font-size:19px;margin:36px 0 10px}
body:not(.login)>main h3{margin:24px 0 8px}
body:not(.login)>main p,body:not(.login)>main li{color:var(--text-2);margin:0 0 12px}
body:not(.login)>main .notice{margin:16px 0}
body:not(.login)>main code{font-family:var(--mono);font-size:.9em;background:var(--surface-2);padding:1px 5px;border-radius:4px}

/* ---- 響應式 ---- */
@media(max-width:900px){
  .detail-layout{display:flex;flex-direction:column;gap:16px}
  .detail-layout>div{display:contents}
  .detail-layout video{order:0}.detail-layout .video-note{order:1}.detail-layout .progress{order:2}
  .detail-layout aside{order:3}.detail-layout .panel{order:4}
  .detail-layout>*,.detail-layout>div>*{min-width:0;max-width:100%}
  aside{position:static}
  .timeline{max-height:460px}
}
@media(max-width:760px){
  .app{grid-template-columns:1fr}
  .side{position:sticky;top:0;z-index:10;height:auto;flex-direction:row;align-items:center;gap:4px;padding:8px 12px;border-right:0;border-bottom:1px solid var(--line)}
  .brand{padding:0 8px 0 0}.brand .txt{display:none}
  .side nav{flex-direction:row;flex:1;gap:2px;overflow-x:auto}
  .side nav button{width:auto;font-size:13px;padding:0 10px;min-height:40px}
  .side nav .ico{display:none}
  .side .foot{margin:0;padding:0}.side .foot span{display:none}
  .side .foot button{margin:0;padding:0 8px;min-height:40px;font-size:13px}
  .app main{padding:16px 16px 32px;gap:16px}
  h1{font-size:20px}
  .stats{gap:8px}.stat{padding:12px}.stat strong{font-size:20px}
  .row-head{display:none}
  .card{grid-template-columns:minmax(0,1fr) auto;gap:4px 10px;padding:12px 16px}
  .card .meta{grid-column:1/-1;order:1}
  .card p{white-space:normal}
  .card time{order:2;font-size:12px;color:var(--text-3)}
  .card .badge{order:3;justify-self:end}
  .card .dur{display:none}
  .card button{order:4;grid-column:1/-1;width:100%}
  .filters input[type=search]{flex:1 1 100%}
  .filters select{flex:1;min-width:0}
  footer{padding:16px}
  body:not(.login)>header{padding:0 16px}
  body:not(.login)>main{padding:20px 16px 48px}
}

/* Content-first library and a dedicated playback surface. */
[hidden]{display:none!important}
.view-switch{display:flex;gap:4px;padding:4px;background:var(--surface);border:1px solid var(--line);border-radius:8px}
.view-switch button[aria-pressed=true]{background:var(--accent-soft);color:var(--text);border-color:var(--accent)}
.cover-library.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.cover-library .cover-card{display:flex;flex-direction:column;align-items:stretch;gap:0;padding:0;border:1px solid var(--line);border-radius:12px;background:var(--surface);overflow:hidden;cursor:default;min-width:0}
.cover-library .cover-card:hover{border-color:var(--line-strong)}
.cover-link{display:block;position:relative;overflow:hidden;background:#090a0c}
.cover-image{display:block;width:100%;height:auto;aspect-ratio:2120/1380;object-fit:cover;transition:transform .2s}
.cover-link:hover .cover-image{transform:scale(1.025)}
.cover-play{position:absolute;right:16px;bottom:16px;display:grid;place-items:center;width:42px;height:42px;border:1px solid #ffffff44;border-radius:50%;background:#0e0f12cc;color:#fff;backdrop-filter:blur(8px)}
.cover-placeholder{display:grid;place-items:center;min-height:180px;background:linear-gradient(135deg,#202334,#101116);font-size:24px}
.cover-body{padding:20px;display:flex;flex-direction:column;gap:12px;min-width:0;flex:1}
.cover-top{display:flex;align-items:center;justify-content:space-between;gap:8px}
.cover-library .cover-card h2{font-size:20px;line-height:1.4}.cover-card h2 a{color:var(--text)}
.cover-library .cover-card p{white-space:normal;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.7}
.cover-meta,.library-footnote{font-size:12px;color:var(--text-3)}
.cover-body>button{align-self:flex-start;margin-top:auto}
.session-dates,.session-strip{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.session-dates a,.session-strip a{padding:3px 8px;border:1px solid var(--line-strong);border-radius:5px;font-size:12px;color:var(--text-2);font-family:var(--mono)}
.session-strip a[aria-current=page]{border-color:var(--accent);background:var(--accent-soft);color:var(--text)}
.session-strip span{font-size:12px;color:var(--text-3)}
.cover-library.list{display:flex;flex-direction:column;gap:14px}
.cover-library.list .cover-card{display:grid;grid-template-columns:220px minmax(0,1fr)}
.cover-library.list .cover-link{height:100%}.cover-library.list .cover-image{height:100%;object-fit:contain}
.cover-library.list .cover-body{padding:16px 20px;gap:8px}
.player-panel{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:var(--surface)}
video-player{display:block;width:100%}
video-neutral-skin{display:block;width:100%;aspect-ratio:16/9;font-family:var(--font);background:#000}
.player-panel video{display:block;width:100%;height:100%;max-height:none;object-fit:contain;border-radius:0}
.player-toolbar{display:flex;align-items:center;gap:12px;padding:14px 16px 8px}
#active-chapter{flex:1;text-align:center;font-size:13px;color:var(--text)}
.player-toolbar button{padding:0 10px;font-size:12px;min-height:32px}
.player-options{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:0 16px 12px}
.player-options label{font-size:12px;color:var(--text-2)}
.player-options select,.player-options button{min-height:30px;font-size:12px}
.player-panel .video-note,.player-panel .progress{padding:0 16px 10px;font-size:12px}
.chapter-progress{display:flex;gap:3px;padding:8px 10px 0}
.chapter-segment{min-width:0;min-height:18px;flex-basis:0;padding:0;border:0;border-radius:3px;background:var(--line-strong)}
.chapter-segment.active{background:var(--accent)}
.study-tabs{display:flex;padding:12px;gap:6px;border-bottom:1px solid var(--line)}
.study-tabs button{background:transparent;border-color:transparent;color:var(--text-2);flex:1}
.study-tabs button[aria-pressed=true]{background:var(--accent-soft);color:var(--text);border-color:var(--line-strong)}
.chapter-search-label{display:flex;flex-direction:column;gap:6px;padding:12px;font-size:12px;color:var(--text-2)}
.chapter-search-label input{width:100%;min-width:0}
.study-sidebar .timeline{max-height:580px;padding:0 8px 8px}
.chapter-item{display:flex;align-items:flex-start;text-align:left;justify-content:flex-start;width:100%;padding:12px 8px;background:transparent;border:1px solid transparent;color:var(--text-2);white-space:normal;gap:10px;border-radius:7px}
.chapter-item strong{font-size:13px;font-weight:500;color:inherit;display:block}
.chapter-item small{display:block;font:11px var(--mono);color:var(--text-3);margin-top:5px}
.chapter-item.active{background:var(--accent-soft);border-color:var(--line-strong);color:var(--text)}
.chapter-number{color:var(--text-3);font:12px var(--mono);padding-top:3px}
@media(max-width:1000px){.detail-layout{grid-template-columns:minmax(0,1fr)}.player-panel,.study-sidebar,.detail-layout .panel{width:100%}.study-sidebar{position:static}.study-sidebar .timeline{max-height:420px}}
@media(max-width:700px){.cover-library.grid{grid-template-columns:1fr}.cover-library.list .cover-card{grid-template-columns:100px minmax(0,1fr)}.cover-library.list .cover-body{padding:12px}.cover-library.list .cover-card h2{font-size:15px}.cover-library.list .cover-top{flex-wrap:wrap}.cover-body{padding:16px}.player-toolbar{gap:5px;padding:12px 8px}.player-toolbar button{font-size:11px;padding:0 7px}#active-chapter{font-size:12px}.player-options{padding:0 10px 10px}.chapter-progress{gap:2px}.page-head .lead{min-width:0}.view-switch{margin-left:auto}}
@media(prefers-reduced-motion:reduce){.cover-image{transition:none}}