:root{
  --bg:#F8FAFC; --card:#FFFFFF; --text:#0F172A; --muted:#475569; --border:#E2E8F0;
  --primary:#3B82F6; --accent:#0EA5E9; --success:#10B981; --warning:#F59E0B;
  --radius:14px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font:16px/1.5 ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Inter,"Helvetica Neue",Arial}
a{color:var(--primary);text-decoration:none}
.header{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;background:#FFFFFFB3;border-bottom:1px solid var(--border);backdrop-filter:saturate(180%) blur(6px);position:sticky;top:0;z-index:10}
.header__brand{font-weight:700;letter-spacing:.2px}
.header__nav a{margin-left:16px;color:var(--muted)}
.container{max-width:980px;margin:32px auto;padding:0 16px}
.hero{margin:24px 0 20px}
.hero h1{font-size:28px;margin:0 0 8px}
.hero p{color:var(--muted);margin:0}
.note{font-size:14px;color:var(--muted);margin-top:8px}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:0 6px 18px rgba(15,23,42,.04)}
.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
button,.btn{appearance:none;border:1px solid transparent;background:var(--primary);color:#fff;border-radius:10px;padding:10px 16px;font-weight:600;cursor:pointer}
.btn--ghost{background:#fff;color:var(--primary);border-color:var(--primary)}
button:disabled{opacity:.55;cursor:not-allowed}
.chip{display:inline-flex;align-items:center;gap:8px;background:#F1F5F9;border:1px solid var(--border);border-radius:999px;padding:6px 10px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.copy{border:none;background:#E2E8F0;border-radius:8px;padding:4px 8px;font-size:13px;cursor:pointer}
.kbd{font-family:ui-monospace,Menlo,monospace;background:#0F172A;color:#fff;border-radius:8px;padding:6px 8px;font-size:13px}
.meta{display:flex;gap:12px;flex-wrap:wrap;margin:12px 0;color:var(--muted);font-size:14px}
.meta .dot::before{content:"•";margin:0 6px;color:#94A3B8}
.panel{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin:12px 0}
.metric{background:#F8FAFF;border:1px solid var(--border);border-radius:12px;padding:10px 12px}
.metric b{display:block;font-size:14px;color:var(--muted);font-weight:600}
.metric span{font-weight:700}
.table{width:100%;border-collapse:separate;border-spacing:0;margin-top:12px}
.table th,.table td{padding:10px 12px;border-bottom:1px solid var(--border);font-size:14px}
.table th{text-align:left;color:var(--muted);font-weight:600}
.table tbody tr:nth-child(even){background:#FAFBFF}
.table td.mono{font-family:ui-monospace,Menlo,monospace}
.badge{display:inline-block;padding:2px 8px;border-radius:999px;background:#E0F2FE;color:#0369A1;font-weight:600;font-size:12px}
.progress{height:6px;background:#E2E8F0;border-radius:999px;overflow:hidden}
.progress > div{height:6px;background:var(--accent);width:70%}
.info-icon{display:inline-flex;align-items:center;justify-content:center;width:16px;height:16px;border-radius:50%;border:1px solid var(--border);font-size:11px;color:var(--muted);background:#fff;margin-left:4px;cursor:pointer;position:relative}
.info-icon::after{content:attr(data-tooltip);position:absolute;bottom:130%;left:50%;transform:translateX(-50%);background:#0F172A;color:#fff;padding:4px 8px;border-radius:6px;font-size:12px;white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .15s ease;box-shadow:0 4px 8px rgba(15,23,42,.15)}
.info-icon::before{content:\"\";position:absolute;bottom:120%;left:50%;transform:translateX(-50%);border:6px solid transparent;border-top-color:#0F172A;opacity:0;transition:opacity .15s ease}
.info-icon:hover::after,.info-icon:hover::before{opacity:1}
.footer{color:#64748B;margin:28px 0 40px;text-align:center;font-size:14px}