:root{
  --bg:#f4f6f9; --card:#ffffff; --ink:#1f2733; --muted:#5b6675;
  --line:#e3e8ef; --brand:#1769ff; --brand-dark:#0d4fd1; --accent:#0fae8e;
  --warn:#c0392b; --chip:#eef3ff;
}
*{box-sizing:border-box}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;background:var(--bg);color:var(--ink);margin:0;line-height:1.55}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:980px;margin:0 auto;padding:18px 18px 64px}
nav.top{display:flex;flex-wrap:wrap;gap:6px 16px;align-items:center;padding:12px 0;border-bottom:1px solid var(--line);margin-bottom:8px}
nav.top a{font-weight:600;font-size:.92rem;color:var(--muted)}
nav.top a.brand{color:var(--brand-dark);font-weight:800;font-size:1rem;margin-right:8px}
nav.top a.active{color:var(--brand-dark)}
header.hero{text-align:center;padding:18px 0 8px}
header.hero h1{font-size:1.9rem;margin:.2em 0}
header.hero p.sub{color:var(--muted);max-width:700px;margin:0 auto;font-size:1.02rem}
.badges{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin:14px 0 0}
.badge{background:var(--chip);color:var(--brand-dark);font-size:.8rem;padding:4px 10px;border-radius:999px;font-weight:600}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:20px;box-shadow:0 1px 3px rgba(16,24,40,.04);margin:18px 0}
h2{font-size:1.25rem;margin:0 0 12px}
h3{font-size:1.02rem;margin:18px 0 6px}
p{margin:.6em 0}
label{display:block;font-weight:600;color:var(--ink);margin:12px 0 4px;font-size:.92rem}
.hint{color:var(--muted);font-weight:400;font-size:.82rem}
code{background:#f1f4f9;padding:1px 5px;border-radius:4px;font-size:.85em}
pre{background:#0f1726;color:#e6edf7;padding:14px 16px;border-radius:8px;overflow:auto;font-size:.82rem;line-height:1.5;margin:10px 0}
pre code{background:none;color:inherit;padding:0;font-size:inherit}
ol.steps{padding-left:0;counter-reset:step;list-style:none}
ol.steps>li{position:relative;padding:2px 0 14px 42px;margin:0}
ol.steps>li:before{counter-increment:step;content:counter(step);position:absolute;left:0;top:0;width:28px;height:28px;border-radius:50%;background:var(--brand);color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center;font-size:.9rem}
ol.steps>li h3{margin:2px 0 4px}
.cta{display:inline-block;background:var(--brand);color:#fff;padding:10px 16px;border-radius:8px;font-weight:600;margin:4px 8px 4px 0}
.cta:hover{background:var(--brand-dark);text-decoration:none}
.cta.alt{background:#fff;color:var(--brand);border:1px solid var(--brand)}
select,input[type=number],input[type=text]{width:100%;padding:10px;border:1px solid var(--line);border-radius:8px;font-size:.95rem;background:#fff}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.row{display:flex;align-items:center;gap:8px;margin-top:10px}
.row input[type=checkbox]{width:18px;height:18px}
.btns{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
button{padding:11px 16px;border:none;border-radius:8px;font-size:.95rem;font-weight:600;cursor:pointer}
button.primary{background:var(--brand);color:#fff}
button.primary:hover{background:var(--brand-dark)}
button.ghost{background:#fff;color:var(--brand);border:1px solid var(--brand)}
button.ghost:hover{background:var(--chip)}
button:disabled{opacity:.5;cursor:not-allowed}
.meta{display:flex;flex-wrap:wrap;gap:18px;margin:14px 0;color:var(--muted);font-size:.9rem}
.meta b{color:var(--ink)}
.tablewrap{overflow:auto;border:1px solid var(--line);border-radius:8px;max-height:340px}
table{border-collapse:collapse;width:100%;font-size:.82rem}
th,td{padding:7px 9px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}
th{position:sticky;top:0;background:#f8fafc;font-weight:700}
tr:nth-child(even) td{background:#fcfdff}
.anom td{background:#fff4f2 !important}
canvas{max-width:100%}
.scenario-bar{display:flex;flex-wrap:wrap;gap:8px;align-items:end}
.scenario-bar > div{flex:1;min-width:160px}
details{border:1px solid var(--line);border-radius:8px;padding:10px 14px;margin:10px 0;background:#fff}
summary{font-weight:600;cursor:pointer}
.domain-cards{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.domain-cards .dc{border:1px solid var(--line);border-radius:10px;padding:16px;display:block;color:inherit}
a.dc:hover{border-color:var(--brand);text-decoration:none;box-shadow:0 2px 10px rgba(23,105,255,.08)}
.domain-cards .dc h3{margin-top:0;color:var(--brand-dark)}
.dict th{background:#f8fafc}
.dict td:first-child{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.85em;color:var(--brand-dark)}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin:6px 0}
.tag{background:var(--chip);color:var(--brand-dark);font-size:.82rem;padding:3px 10px;border-radius:999px}
footer{color:var(--muted);font-size:.85rem;text-align:center;margin-top:30px}
.links{display:flex;flex-wrap:wrap;gap:10px 20px;justify-content:center;margin:10px 0}
@media(max-width:640px){.grid,.domain-cards{grid-template-columns:1fr}}