/* Flowing Silk × 原型智慧 線上互動（fsg/silk.html）：深色，跟未來語法長頁同一個調性。只有深色（展覽頁本身就是深色）。 */
:root{
  --bg:#07060c; --bg2:#100e18; --line:rgba(255,255,255,.14); --ink:#f4f2fa; --dim:#bdb8cf; --accent:#c9b2ff; --blue:#3d5bff;
  --en:'Space Grotesk',ui-sans-serif,system-ui,sans-serif;
  --zh:'Noto Sans TC',-apple-system,'PingFang TC','Microsoft JhengHei',sans-serif;
  --serif:'Noto Serif TC','Songti TC',serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--zh);font-size:15px;line-height:1.65;-webkit-font-smoothing:antialiased}
button{font:inherit;color:inherit;cursor:pointer}
img{display:block;max-width:100%}
[hidden]{display:none!important}

.top{height:56px;display:flex;align-items:center;gap:10px;padding:0 18px;border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:8px;margin-right:auto;text-decoration:none}
.brand img{height:16px;width:auto} .brand svg{height:22px;width:17px;flex:none}
.back{font-size:13px;color:#d6d2e6;text-decoration:none;padding:6px 12px;border:1px solid rgba(255,255,255,.18);border-radius:99px}

.silk{max-width:1100px;margin:0 auto;padding:28px 18px 64px}
.hero .kick{font-family:var(--en);letter-spacing:.24em;font-size:12px;color:var(--accent);margin:0 0 8px;text-transform:uppercase}
.hero h1{font-size:clamp(28px,5vw,44px);line-height:1.25;margin:0 0 10px;font-weight:900}
.hero h1 span{display:block;font-family:var(--en);font-size:clamp(14px,2.2vw,18px);font-weight:500;letter-spacing:.08em;color:var(--dim);margin-top:6px}
.hero .sub{color:var(--dim);margin:0;max-width:640px}

.steps{list-style:none;display:flex;gap:6px;padding:0;margin:24px 0 22px;overflow-x:auto;scrollbar-width:none}
.steps li{display:flex;align-items:center;gap:6px;flex:none;padding:6px 12px 6px 6px;border:1px solid var(--line);border-radius:99px;color:var(--dim);font-size:13px}
.steps b{width:22px;height:22px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.08);font-family:var(--en);font-size:12px}
.steps li.on{color:var(--ink);border-color:var(--accent)} .steps li.on b{background:var(--accent);color:#120d24}
.steps li.done b{background:rgba(201,178,255,.28);color:var(--ink)}

.pane h2{font-size:clamp(20px,3vw,26px);margin:0 0 16px;font-weight:900}
.themes{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.theme{position:relative;padding:0;border:1px solid var(--line);border-radius:18px;overflow:hidden;background:var(--bg2);text-align:left;transition:transform .2s,border-color .2s}
.theme img{width:100%;aspect-ratio:3/2;object-fit:cover}
.theme span{position:absolute;left:0;right:0;bottom:0;padding:28px 16px 14px;background:linear-gradient(transparent,rgba(5,4,10,.86))}
.theme b{display:block;font-size:clamp(17px,2.6vw,22px);font-weight:900}
.theme i{font-style:normal;font-family:var(--en);font-size:13px;letter-spacing:.06em;color:#e2ddf0}
.theme:hover,.theme:focus-visible{transform:translateY(-2px);border-color:var(--accent)}
.works{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.work{padding:0 0 12px;border:1px solid var(--line);border-radius:16px;background:var(--bg2);text-align:left;overflow:hidden;transition:border-color .2s}
.work .ph{display:grid;place-items:center;aspect-ratio:1;background:#16131f;padding:10px}
.work .ph img{max-height:100%;object-fit:contain;border-radius:4px}
.work b{display:block;padding:10px 12px 0;font-size:15px;line-height:1.45}
.work small{display:block;padding:2px 12px 0;color:var(--dim);font-size:13px}
.work:hover,.work:focus-visible{border-color:var(--accent)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

.reveal{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:28px;align-items:center}
.art{margin:0;padding:18px;border-radius:18px;background:#16131f;display:grid;place-items:center;min-height:300px}
.art img{max-height:62vh;object-fit:contain;border-radius:4px;box-shadow:0 18px 50px rgba(0,0,0,.5)}
.theme-tag{font-family:var(--en);letter-spacing:.14em;font-size:12px;color:var(--accent);margin:0 0 6px}
.words h2{margin:0 0 4px}
.artist{color:var(--dim);margin:0 0 18px}
blockquote{margin:0 0 22px;padding:16px 0 16px 18px;border-left:3px solid var(--accent);font-family:var(--serif);font-size:clamp(19px,2.6vw,24px);line-height:1.7;font-weight:600}
.pane[data-pane="3"]:not([hidden]) blockquote{animation:rise .9s ease both .15s}
@keyframes rise{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

.nav{display:flex;flex-wrap:wrap;gap:10px;margin:14px 0 0}
.go,.ghost{display:inline-flex;align-items:center;min-height:44px;padding:10px 20px;border-radius:99px;font-weight:700;font-size:15px;text-decoration:none}
.go{background:var(--accent);color:#120d24;border:0}
.ghost{background:transparent;color:var(--ink);border:1px solid rgba(255,255,255,.28)}
.go:hover{background:#d9c8ff} .ghost:hover{border-color:var(--accent)}

.result{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:28px;align-items:start}
.card{margin:0;position:relative;border-radius:16px;overflow:hidden;background:#16131f;aspect-ratio:4/5}
.card img{width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .8s}
.card.ready img{opacity:1}
.weaving{position:absolute;inset:0;display:grid;place-items:center;color:var(--dim);font-size:14px}
.card.ready .weaving{display:none}
.note{color:var(--dim);margin:0 0 6px;font-size:14px}
.small{font-size:13px;color:var(--accent);min-height:1.4em;margin:8px 0 0}
.qr{display:flex;align-items:center;gap:14px;margin:12px 0 4px;padding:12px;border:1px solid var(--line);border-radius:14px}
.qr img{background:#fff;border-radius:8px;padding:6px;flex:none}
.qr p{margin:0;color:var(--dim);font-size:13px}

@media (max-width:760px){
  .works{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
  .themes{gap:10px}
  .reveal,.result{grid-template-columns:1fr;gap:18px}
  .art{min-height:0} .art img{max-height:52vh}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

/* AI 圖篩選頁（fsg/silk_review.html） */
.legend{list-style:none;padding:0;margin:14px 0 0;display:flex;flex-wrap:wrap;gap:8px}
.legend li{border:1px solid var(--line);border-radius:12px;padding:6px 12px;color:var(--dim);font-size:13px}
.legend b{color:var(--ink);margin-right:6px}
.tally{margin:14px 0 0;color:var(--dim)} .tally b{color:var(--ink)}
.rv-theme{font-size:22px;margin:34px 0 12px;padding-top:14px;border-top:1px solid var(--line)} .rv-theme span{font-family:var(--en);color:var(--dim);font-size:15px;font-weight:500}
.combo{display:grid;grid-template-columns:240px minmax(0,1fr);gap:18px;padding:16px;margin:0 0 14px;border:1px solid var(--line);border-radius:18px;background:var(--bg2)}
.cid{font-family:var(--en);font-size:12px;letter-spacing:.12em;color:var(--accent);margin:0 0 8px}
.refs{display:flex;align-items:center;gap:6px}
.refs figure{margin:0;flex:1}
.refs img{width:100%;aspect-ratio:1;object-fit:cover;border-radius:8px}
.refs figcaption{font-size:11.5px;color:var(--dim);line-height:1.4;margin-top:4px}
.refs span{color:var(--dim)}
.combo .who{margin:10px 0 2px;color:var(--dim);font-size:13px} .combo .who b{display:block;color:var(--ink);font-size:15px}
.quote{margin:6px 0 0;font-size:13.5px;color:#e6e1f3}
.outs{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px}
.out{border:2px solid transparent;border-radius:14px;padding:8px;background:#16131f}
.out[data-pick="keep"]{border-color:#6fdc9a} .out[data-pick="drop"]{opacity:.55}
.vlabel{margin:0 0 6px;font-size:12px;color:var(--dim);line-height:1.4} .vlabel b{display:block;color:var(--ink);font-size:14px}
.shot{display:block;border-radius:10px;overflow:hidden;aspect-ratio:896/1152;background:#0d0b14}
.shot img{width:100%;height:100%;object-fit:cover}
.shot.none{display:grid;place-items:center;color:var(--dim);font-size:13px}
.pick{display:flex;gap:6px;margin:8px 0 0}
.pick button{flex:1;min-height:40px;border-radius:99px;border:1px solid rgba(255,255,255,.28);background:transparent;font-weight:700}
.pick .yes[aria-pressed="true"]{background:#6fdc9a;border-color:#6fdc9a;color:#0b1d12}
.pick .no[aria-pressed="true"]{background:#f0a3a3;border-color:#f0a3a3;color:#2a0b0b}
.out details{margin-top:6px;font-size:12px;color:var(--dim)} .out summary{cursor:pointer}
.out details p{margin:6px 0 0;line-height:1.6}
.msg{position:sticky;bottom:12px;color:#f0a3a3;text-align:center;min-height:1em}
.tag-code{font-style:normal;font-weight:500;font-size:11px;color:#120d24;background:#e3d8ff;border-radius:99px;padding:1px 7px;margin-left:4px;white-space:nowrap}
@media (max-width:1180px){.outs{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media (max-width:860px){.combo{grid-template-columns:1fr}.refs figure{max-width:140px}}
@media (max-width:560px){.outs{grid-template-columns:1fr 1fr}}