:root,[data-theme="dark"]{--bg:#0d1117;--card:#161b22;--fg:#e6edf3;--muted:#8b949e;--line:#30363d;--acc:#f7931a;--acc2:#ffb347}
[data-theme="light"]{--bg:#f6f8fa;--card:#fff;--fg:#1f2328;--muted:#656d76;--line:#d0d7de;--acc:#f7931a;--acc2:#c2410c}
*{box-sizing:border-box}body{margin:0;font-family:-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--fg);line-height:1.5}
.topbar{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;padding:12px 20px;border-bottom:1px solid var(--line);background:var(--card);position:sticky;top:0;z-index:5}
.brand{font-weight:700;font-size:18px}.brand span{color:var(--acc)}.brand small{color:var(--muted)}
.brand{text-decoration:none;color:var(--fg)}
.nav{display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.nav>a{color:var(--fg);text-decoration:none;padding:6px 12px;border-radius:8px;border:1px solid transparent}
.nav>a.active{border-color:var(--acc);color:var(--acc)}
.hamburger{display:none;background:none;border:1px solid var(--line);color:var(--fg);font-size:20px;border-radius:8px;padding:2px 10px;cursor:pointer}
.seed{border-color:var(--acc);margin-bottom:16px}.seed a{color:var(--acc)}.row-left{display:flex;gap:8px;flex-wrap:wrap}
a.btn{text-decoration:none;display:inline-block}
.actions{display:flex;gap:8px;align-items:center}
.btn{background:var(--acc);color:#fff;border:0;padding:6px 12px;border-radius:8px;cursor:pointer}.btn.ghost{background:none;color:var(--fg);border:1px solid var(--line)}
.btn:disabled{opacity:.5;cursor:not-allowed}.hidden{display:none!important}
.banner{background:rgba(247,147,26,.15);border-bottom:1px solid var(--acc);padding:8px 20px;font-size:14px}
main{max-width:1100px;margin:0 auto;padding:20px}h2 small{font-size:13px;color:var(--muted);font-weight:400;margin-left:8px}
.panel{display:none}.panel.active{display:block}
.timeline{border-left:2px solid var(--line);margin-left:60px}
.hour{position:relative;padding:4px 0 16px 20px}.hour .h{position:absolute;left:-64px;top:4px;width:56px;text-align:right;color:var(--acc);font-weight:700}
.hour::before{content:"";position:absolute;left:-7px;top:10px;width:12px;height:12px;border-radius:50%;background:var(--acc)}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px 14px;margin-bottom:10px}
.card h3{margin:0 0 4px;font-size:16px}.muted{color:var(--muted);font-size:13px}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px}
.tag{display:inline-block;font-size:12px;padding:1px 8px;border-radius:999px;border:1px solid var(--acc);color:var(--acc);margin:2px 4px 2px 0;background:none;cursor:pointer}
.tag.on{background:var(--acc);color:#fff}.tagbar{margin-bottom:12px}
.sample{display:inline-block;font-size:11px;padding:0 6px;border-radius:4px;background:#8b5cf6;color:#fff;margin-left:6px;vertical-align:middle}
.score{font-size:13px;color:var(--acc2)}
.group{margin-bottom:20px}.group h3{border-bottom:1px solid var(--line);padding-bottom:4px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:10px}
dialog{background:var(--card);color:var(--fg);border:1px solid var(--line);border-radius:12px;width:min(520px,92vw)}
dialog::backdrop{background:rgba(0,0,0,.5)}textarea{width:100%;min-height:80px;background:var(--bg);color:var(--fg);border:1px solid var(--line);border-radius:8px;padding:8px}
.stars button{font-size:26px;background:none;border:0;cursor:pointer;color:var(--muted)}.stars button.on{color:var(--acc)}
.row{display:flex;justify-content:flex-end;gap:8px;margin-top:8px}.comments{padding-left:18px;max-height:220px;overflow:auto}
.footer{border-top:1px solid var(--line);padding:16px 20px;color:var(--muted);font-size:13px;text-align:center}
@media(max-width:760px){.hamburger{display:block}.nav{display:none;width:100%;flex-direction:column;align-items:stretch}.nav.open{display:flex}.actions{flex-wrap:wrap}.timeline{margin-left:48px}.hour .h{left:-52px;width:44px;font-size:13px}}