:root{
  --bg:#0b0d12;--bg2:#11141b;--panel:#161a23;--line:#262b37;--text:#e8eaf0;--muted:#9aa3b5;--dim:#6b7384;
  --accent:#7cc4ff;--accent2:#ffb86b;--good:#6fe3a5;--warn:#ffd166;--bad:#ff6b6b;--violet:#b39cff;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;--sans:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --radius:12px;
}
@media (prefers-color-scheme: light){
  :root{--bg:#f6f7fa;--bg2:#ffffff;--panel:#ffffff;--line:#e1e5ee;--text:#151924;--muted:#4e566a;--dim:#8a92a6;--accent:#1565c0;--accent2:#c05d00;--good:#1b8f5a;--warn:#9a6b00;--bad:#c62828;--violet:#5b3fd6}
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html,body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);line-height:1.5;-webkit-font-smoothing:antialiased}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}
code,pre,.mono{font-family:var(--mono);font-size:.92em}
pre{background:var(--bg2);border:1px solid var(--line);border-radius:8px;padding:12px 14px;overflow:auto}
h1,h2,h3{line-height:1.2;margin:0 0 .5em;font-weight:650;letter-spacing:-.01em}
h1{font-size:1.9rem}h2{font-size:1.3rem;margin-top:1.6em}h3{font-size:1.05rem;margin-top:1.2em}
p{margin:.4em 0 .9em}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px 60px}
header.top{position:sticky;top:0;z-index:10;background:color-mix(in srgb,var(--bg) 85%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
header.top .wrap{display:flex;align-items:center;gap:18px;padding:10px 20px;max-width:1180px}
header.top .brand{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--text)}
header.top .brand img{width:26px;height:26px}
header.top nav{display:flex;gap:4px;flex-wrap:wrap}
header.top nav a{padding:6px 10px;border-radius:8px;color:var(--muted);font-size:.93rem}
header.top nav a:hover,header.top nav a.on{background:var(--panel);color:var(--text);text-decoration:none}
header.top .spacer{flex:1}
header.top .who{display:flex;align-items:center;gap:10px;font-size:.88rem;color:var(--muted)}
header.top .who img,.av{width:28px;height:28px;border-radius:50%;background:var(--panel);display:inline-flex;align-items:center;justify-content:center;font-weight:600;font-size:.75rem;color:var(--text)}
.btn{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:9px;border:1px solid var(--line);background:var(--panel);color:var(--text);cursor:pointer;font:inherit;font-size:.93rem}
.btn:hover{border-color:var(--accent);text-decoration:none}
.btn.primary{background:var(--accent);color:#06101c;border-color:transparent;font-weight:600}
.btn.small{padding:5px 10px;font-size:.85rem}
.btn:disabled{opacity:.5;cursor:default}
.grid{display:grid;gap:16px}
.grid.cols-2{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}
.grid.cols-3{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px}
.card h3{margin-top:0}
.card.link{display:block;color:inherit}.card.link:hover{border-color:var(--accent);text-decoration:none}
.tag{display:inline-block;padding:2px 8px;border-radius:999px;font-size:.75rem;font-weight:600;letter-spacing:.02em;border:1px solid var(--line);color:var(--muted)}
.tag.good{color:var(--good);border-color:color-mix(in srgb,var(--good) 40%,transparent)}
.tag.warn{color:var(--warn);border-color:color-mix(in srgb,var(--warn) 40%,transparent)}
.tag.bad{color:var(--bad);border-color:color-mix(in srgb,var(--bad) 40%,transparent)}
.tag.accent{color:var(--accent);border-color:color-mix(in srgb,var(--accent) 40%,transparent)}
.muted{color:var(--muted)}.dim{color:var(--dim)}.small{font-size:.88rem}
.hero{padding:44px 0 20px}
.hero p.lead{font-size:1.1rem;color:var(--muted);max-width:760px}
table{border-collapse:collapse;width:100%;font-size:.92rem}
th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line);vertical-align:top}
th{color:var(--muted);font-weight:600;font-size:.82rem;text-transform:uppercase;letter-spacing:.04em}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}
input,select,textarea{font:inherit;color:var(--text);background:var(--bg2);border:1px solid var(--line);border-radius:8px;padding:8px 10px}
input:focus,select:focus,textarea:focus{outline:2px solid color-mix(in srgb,var(--accent) 50%,transparent);outline-offset:1px}
label.f{display:flex;flex-direction:column;gap:4px;font-size:.85rem;color:var(--muted)}
.row{display:flex;gap:12px;flex-wrap:wrap;align-items:end}
.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin:12px 0}
canvas.viz{width:100%;background:var(--bg2);border:1px solid var(--line);border-radius:var(--radius);display:block}
.kpis{display:flex;gap:14px;flex-wrap:wrap;margin:10px 0}
.kpi{background:var(--bg2);border:1px solid var(--line);border-radius:10px;padding:10px 14px;min-width:140px}
.kpi .v{font-size:1.35rem;font-weight:650;font-variant-numeric:tabular-nums}
.kpi .l{font-size:.78rem;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
.note{border-left:3px solid var(--accent2);padding:8px 14px;background:color-mix(in srgb,var(--accent2) 8%,transparent);border-radius:0 8px 8px 0;margin:14px 0}
.math{font-family:"STIX Two Math","Cambria Math","Latin Modern Math",serif;font-size:1.05em}
footer.foot{border-top:1px solid var(--line);margin-top:40px;padding:16px 20px;color:var(--dim);font-size:.82rem;display:flex;gap:16px;flex-wrap:wrap;justify-content:space-between}
.timeline{list-style:none;padding:0;margin:0;border-left:2px solid var(--line)}
.timeline li{padding:4px 0 14px 18px;position:relative}
.timeline li::before{content:"";position:absolute;left:-7px;top:11px;width:10px;height:10px;border-radius:50%;background:var(--accent);border:2px solid var(--bg)}
.timeline .when{font-size:.8rem;color:var(--dim);font-family:var(--mono)}
details{border:1px solid var(--line);border-radius:10px;padding:10px 14px;margin:10px 0;background:var(--bg2)}
summary{cursor:pointer;font-weight:600}
.log{font-family:var(--mono);font-size:.8rem;background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:10px;max-height:220px;overflow:auto;white-space:pre-wrap}
.tree{font-family:var(--mono);font-size:.8rem;color:var(--muted);margin:6px 0 0;padding-left:14px;list-style:none}
.tree li.dir{color:var(--text)}
.statusbar{display:flex;gap:10px;align-items:center;font-size:.85rem;color:var(--muted);min-height:24px}
.spin{display:inline-block;width:12px;height:12px;border:2px solid var(--line);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}