:root{
  --bg:#f5f6f9;
  --panel:#ffffff;
  --ink:#15171c;
  --ink2:#4a4f5a;
  --ink3:#7c828f;
  --line:#e4e7ee;
  --line2:#eef0f5;
  --accent:#4f46e5;
  --accent-soft:#eef0ff;
  --ok:#0f7b62;
  --ok-soft:#e6f5f0;
  --warn:#9a5b00;
  --warn-soft:#fdf3e3;
  --radius:14px;
  --shadow:0 1px 2px rgba(18,22,34,.04),0 8px 24px -12px rgba(18,22,34,.18);
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font:15px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Noto Sans SC","Microsoft YaHei",sans-serif;
  -webkit-font-smoothing:antialiased;
}
code,.mono{font-family:var(--mono);font-size:.86em}
a{color:var(--accent);text-decoration:none}
.wrap{max-width:1280px;margin:0 auto;padding:0 28px}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:radial-gradient(1100px 420px at 12% -10%,#5b4bdb 0%,transparent 60%),
             radial-gradient(900px 380px at 88% 0%,#0e8f7a 0%,transparent 55%),
             linear-gradient(160deg,#141726 0%,#1b1f33 60%,#20243a 100%);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:44px 44px;
  mask-image:radial-gradient(700px 320px at 70% 10%,#000 20%,transparent 75%);
}
.hero .wrap{position:relative;z-index:1;padding-top:64px;padding-bottom:44px}
.eyebrow{margin:0 0 14px;font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;color:#a9b0ff;font-weight:600}
.hero h1{margin:0;font-size:clamp(34px,4.6vw,60px);line-height:1.08;letter-spacing:-.02em;font-weight:750}
.hero h1 span{background:linear-gradient(92deg,#9fb4ff,#7ff0d3 70%);-webkit-background-clip:text;background-clip:text;color:transparent}
.lede{max-width:720px;margin:18px 0 0;color:#c8cddd;font-size:15.5px;line-height:1.75}
.lede b{color:#fff;font-weight:600}
.lede code{color:#a9b0ff;background:rgba(255,255,255,.07);padding:1px 6px;border-radius:5px}
.stats{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.stat{
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);
  border-radius:12px;padding:10px 16px;min-width:118px;backdrop-filter:blur(6px);
}
.stat b{display:block;font-size:22px;letter-spacing:-.01em;font-variant-numeric:tabular-nums}
.stat span{font-size:12px;color:#aeb4c8}

/* ---------- toolbar ---------- */
.toolbar{position:sticky;top:0;z-index:30;background:rgba(245,246,249,.86);backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid var(--line)}
.toolbar .wrap{padding-top:14px;padding-bottom:12px;display:flex;flex-direction:column;gap:10px}
.searchbox{position:relative}
.searchbox svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);width:17px;height:17px;fill:var(--ink3)}
.searchbox input{
  width:100%;padding:12px 14px 12px 42px;border:1px solid var(--line);border-radius:12px;background:var(--panel);
  font:inherit;color:var(--ink);outline:none;transition:border-color .15s,box-shadow .15s;
}
.searchbox input:focus{border-color:#b9b4f5;box-shadow:0 0 0 4px rgba(79,70,229,.10)}
.chips{display:flex;flex-wrap:wrap;gap:7px}
.chip{
  border:1px solid var(--line);background:var(--panel);color:var(--ink2);border-radius:999px;
  padding:5px 12px;font-size:13px;cursor:pointer;transition:all .13s;white-space:nowrap;
}
.chip:hover{border-color:#c9cbe0;color:var(--ink)}
.chip.on{background:var(--ink);border-color:var(--ink);color:#fff}
.chip .n{opacity:.55;margin-left:5px;font-size:12px;font-variant-numeric:tabular-nums}
.chips.sub .chip{font-size:12.5px;padding:4px 11px}
.chips.sub .chip.on{background:var(--accent);border-color:var(--accent)}
.sortbar{display:flex;align-items:center;justify-content:space-between;gap:12px}
.count{font-size:13px;color:var(--ink3)}
select{
  appearance:none;border:1px solid var(--line);background:var(--panel) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='6'><path d='M0 0l5 6 5-6z' fill='%237c828f'/></svg>") no-repeat right 11px center;
  padding:6px 30px 6px 12px;border-radius:9px;font:inherit;font-size:13px;color:var(--ink2);cursor:pointer;outline:none;
}

/* ---------- grid ---------- */
main{padding-top:22px;padding-bottom:40px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(330px,1fr));gap:14px}
.card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:16px 17px 14px;cursor:pointer;box-shadow:0 1px 1px rgba(18,22,34,.03);
  transition:transform .14s,box-shadow .14s,border-color .14s;display:flex;flex-direction:column;gap:9px;
  position:relative;overflow:hidden;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:#d7dae6}
.card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--bar,#c9cdf7);opacity:.9}
.card h3{margin:0;font-size:15.5px;line-height:1.35;letter-spacing:-.01em;word-break:break-word}
.card h3 code{font-size:14px;font-weight:600}
.card .sum{margin:0;color:var(--ink2);font-size:13.5px;line-height:1.62;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.meta{display:flex;flex-wrap:wrap;gap:6px;align-items:center;margin-top:auto;padding-top:2px}
.tag{font-size:11.5px;line-height:1;padding:5px 8px;border-radius:6px;background:#f1f2f7;color:var(--ink2);white-space:nowrap}
.tag.fmt{background:#f6f4ee;color:#6b5a2e}
.tag.cat{background:var(--catbg,#eef0ff);color:var(--catfg,#3f38b8);font-weight:600}
.pill{font-size:11.5px;line-height:1;padding:5px 8px;border-radius:999px;font-weight:600}
.pill.ok{background:var(--ok-soft);color:var(--ok)}
.pill.part{background:var(--warn-soft);color:var(--warn)}
.pill.none{background:#f1f2f7;color:var(--ink3)}
.size{margin-left:auto;font-family:var(--mono);font-size:11.5px;color:var(--ink3);white-space:nowrap}

/* ---------- drawer ---------- */
.drawer{position:fixed;inset:0;z-index:60;display:flex;justify-content:flex-end}
.drawer[hidden]{display:none}
.drawer-mask{position:absolute;inset:0;background:rgba(12,14,22,.42);backdrop-filter:blur(2px);animation:fade .18s ease}
.drawer-body{
  position:relative;width:min(680px,94vw);height:100%;background:var(--panel);overflow-y:auto;
  box-shadow:-20px 0 60px rgba(10,12,20,.22);animation:slide .22s cubic-bezier(.2,.7,.3,1);padding:30px 32px 60px;
}
@keyframes fade{from{opacity:0}}
@keyframes slide{from{transform:translateX(40px);opacity:.4}}
.close{position:absolute;right:16px;top:12px;border:0;background:transparent;font-size:26px;line-height:1;color:var(--ink3);cursor:pointer;padding:6px 10px;border-radius:8px}
.close:hover{background:#f2f3f7;color:var(--ink)}
.d-cat{display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:600;color:var(--catfg,#3f38b8);background:var(--catbg,#eef0ff);padding:5px 10px;border-radius:999px}
.d-title{margin:12px 0 4px;font-size:24px;line-height:1.25;letter-spacing:-.015em;word-break:break-word}
.d-path{font-family:var(--mono);font-size:12.5px;color:var(--ink3);word-break:break-all;background:#f6f7fa;border:1px solid var(--line2);padding:9px 12px;border-radius:9px;margin:10px 0 4px}
.d-sum{margin:16px 0 6px;font-size:15px;line-height:1.8;color:#2b2f38}
.d-sec{margin-top:22px}
.d-sec h4{margin:0 0 8px;font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink3);font-weight:700}
.d-sec p{margin:0;color:var(--ink2);font-size:14px;line-height:1.75}
pre.skel{margin:0;background:#f7f8fb;border:1px solid var(--line2);border-radius:10px;padding:12px 14px;font-family:var(--mono);font-size:12.5px;line-height:1.7;overflow-x:auto;color:#333a47;white-space:pre-wrap}
ul.bul{margin:0;padding-left:18px;color:var(--ink2);font-size:14px}
ul.bul li{margin:3px 0}
.files{margin:0;padding:0;list-style:none;border:1px solid var(--line2);border-radius:10px;overflow:hidden}
.files li{font-family:var(--mono);font-size:12px;color:#3a4150;padding:8px 12px;border-top:1px solid var(--line2);word-break:break-all;background:#fcfcfe}
.files li:first-child{border-top:0}
.kv{display:grid;grid-template-columns:88px 1fr;gap:6px 12px;font-size:13.5px;color:var(--ink2)}
.kv b{color:var(--ink3);font-weight:500;font-size:12.5px}
.cmd{position:relative;margin-top:8px}
.cmd pre{margin:0;background:#171a24;color:#d7dbef;border-radius:10px;padding:12px 14px;font-family:var(--mono);font-size:12px;overflow-x:auto}
.cmd button{position:absolute;right:8px;top:8px;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.08);color:#dfe3f4;font-size:11.5px;padding:4px 9px;border-radius:6px;cursor:pointer}
.cmd button:hover{background:rgba(255,255,255,.16)}
.caveat{margin-top:18px;font-size:12.5px;color:var(--warn);background:var(--warn-soft);border:1px solid #f3e2c4;padding:10px 12px;border-radius:9px}
.empty{color:var(--ink3);text-align:center;padding:60px 0;font-size:14px}

/* ---------- footer ---------- */
.foot{border-top:1px solid var(--line);background:#fff;padding:22px 0 40px}
.foot p{margin:4px 0;font-size:12.5px;color:var(--ink3);line-height:1.7}
.foot code{background:#f3f4f8;padding:1px 5px;border-radius:4px}

@media (max-width:640px){
  .wrap{padding:0 16px}
  .hero .wrap{padding-top:42px;padding-bottom:32px}
  .drawer-body{padding:24px 18px 50px;width:100%}
  .grid{grid-template-columns:1fr}
  .d-title{font-size:20px}
}