:root{color-scheme:light;--surface-0: #f4f3f0;--surface-1: #fcfcfb;--surface-2: #eceae5;--border: #dedbd4;--border-strong: #c4c0b6;--text-primary: #0b0b0b;--text-secondary: #52514e;--text-muted: #7d7b74;--accent: #2a78d6;--good: #008300;--warning: #eda100;--critical: #e34948;--series-1: #2a78d6;--series-2: #eb6834;--series-3: #1baf7a;--series-4: #eda100;--series-5: #e87ba4;--series-6: #008300;--series-7: #4a3aa7;--grid: #e4e1da;--radius: 6px;--mono: ui-monospace, "SF Mono", "Cascadia Mono", Menlo, Consolas, monospace}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){color-scheme:dark;--surface-0: #121211;--surface-1: #1a1a19;--surface-2: #232321;--border: #33332f;--border-strong: #4a4a45;--text-primary: #ffffff;--text-secondary: #c3c2b7;--text-muted: #8f8e84;--accent: #3987e5;--good: #3ba55d;--warning: #c98500;--critical: #e66767;--series-1: #3987e5;--series-2: #d95926;--series-3: #199e70;--series-4: #c98500;--series-5: #d55181;--series-6: #008300;--series-7: #9085e9;--grid: #2b2b28}}:root[data-theme=dark]{color-scheme:dark;--surface-0: #121211;--surface-1: #1a1a19;--surface-2: #232321;--border: #33332f;--border-strong: #4a4a45;--text-primary: #ffffff;--text-secondary: #c3c2b7;--text-muted: #8f8e84;--accent: #3987e5;--good: #3ba55d;--warning: #c98500;--critical: #e66767;--series-1: #3987e5;--series-2: #d95926;--series-3: #199e70;--series-4: #c98500;--series-5: #d55181;--series-6: #008300;--series-7: #9085e9;--grid: #2b2b28}*{box-sizing:border-box}body{margin:0;background:var(--surface-0);color:var(--text-primary);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}h1,h2,h3{margin:0;font-weight:600;letter-spacing:-.01em}h2{font-size:15px}h3{font-size:13px}.topbar{display:flex;align-items:center;gap:20px;padding:0 20px;height:52px;background:var(--surface-1);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10}.brand{font-weight:700;font-size:17px;letter-spacing:-.03em}.brand span{color:var(--accent)}.nav{display:flex;gap:4px;flex:1}.nav button{background:none;border:none;padding:6px 10px;border-radius:var(--radius);color:var(--text-secondary);font:inherit;cursor:pointer}.nav button:hover{background:var(--surface-2);color:var(--text-primary)}.nav button[aria-current=page]{background:var(--surface-2);color:var(--text-primary);font-weight:600}.nav button:disabled{opacity:.4;cursor:not-allowed}.layout{display:grid;grid-template-columns:300px minmax(0,1fr);gap:16px;padding:16px;align-items:start;max-width:1600px;margin:0 auto}@media(max-width:1000px){.layout{grid-template-columns:minmax(0,1fr)}}.panel{background:var(--surface-1);border:1px solid var(--border);border-radius:var(--radius);padding:14px}.panel+.panel{margin-top:12px}.panel-head{display:flex;align-items:baseline;justify-content:space-between;gap:8px;margin-bottom:10px}.hint{color:var(--text-muted);font-size:12px;line-height:1.45}.stack{display:grid;gap:10px}.row{display:grid;grid-template-columns:1fr 1fr;gap:8px}.field{display:grid;gap:3px}.field label{font-size:11px;text-transform:uppercase;letter-spacing:.04em;color:var(--text-muted);font-weight:600}.field .control{display:flex;align-items:stretch;border:1px solid var(--border-strong);border-radius:var(--radius);background:var(--surface-0);overflow:hidden}.field .control:focus-within{border-color:var(--accent)}.field input,.field select{flex:1;min-width:0;border:none;background:none;color:var(--text-primary);font:inherit;font-family:var(--mono);padding:6px 8px;outline:none}.field select{font-family:inherit;cursor:pointer}.field .suffix{display:flex;align-items:center;padding:0 8px;background:var(--surface-2);border-left:1px solid var(--border);color:var(--text-muted);font-size:11px;white-space:nowrap}.field .note{font-size:11px;color:var(--text-muted);font-family:var(--mono)}.field .note.bad{color:var(--critical)}button.btn{border:1px solid var(--border-strong);background:var(--surface-0);color:var(--text-primary);border-radius:var(--radius);padding:5px 10px;font:inherit;font-size:12px;cursor:pointer}button.btn:hover{background:var(--surface-2)}button.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}button.btn.primary:hover{filter:brightness(1.08)}button.btn:disabled{opacity:.45;cursor:not-allowed}.seg{display:inline-flex;border:1px solid var(--border-strong);border-radius:var(--radius);overflow:hidden}.seg button{border:none;background:var(--surface-0);color:var(--text-secondary);font:inherit;font-size:12px;padding:4px 10px;cursor:pointer}.seg button+button{border-left:1px solid var(--border)}.seg button[aria-pressed=true]{background:var(--accent);color:#fff}table.data{width:100%;border-collapse:collapse;font-family:var(--mono);font-size:12.5px}table.data th{text-align:right;font-family:ui-sans-serif,system-ui,sans-serif;font-size:10.5px;text-transform:uppercase;letter-spacing:.04em;color:var(--text-muted);font-weight:600;padding:0 8px 6px;border-bottom:1px solid var(--border);white-space:nowrap}table.data th:first-child,table.data td:first-child{text-align:left}table.data td{text-align:right;padding:5px 8px;border-bottom:1px solid var(--border)}table.data tr:last-child td{border-bottom:none}table.data tbody tr:hover{background:var(--surface-2)}.swatch{display:inline-block;width:9px;height:9px;border-radius:2px;margin-right:7px;vertical-align:baseline}.tag{display:inline-block;font-family:ui-sans-serif,system-ui,sans-serif;font-size:10.5px;font-weight:600;padding:1px 6px;border-radius:20px;border:1px solid currentColor;white-space:nowrap}.tag.ok{color:var(--good)}.tag.warn{color:var(--warning)}.tag.bad{color:var(--critical)}.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:10px}.tile{background:var(--surface-0);border:1px solid var(--border);border-radius:var(--radius);padding:9px 11px}.tile .k{font-size:10.5px;text-transform:uppercase;letter-spacing:.04em;color:var(--text-muted);font-weight:600}.tile .v{font-family:var(--mono);font-size:19px;font-weight:600;margin-top:1px}.tile .v small{font-size:11px;font-weight:400;color:var(--text-muted);margin-left:3px}.chart-wrap{position:relative}.chart-wrap svg{display:block;width:100%;height:auto;overflow:visible}.legend{display:flex;flex-wrap:wrap;gap:4px 14px;margin-top:10px;font-size:12px;color:var(--text-secondary)}.legend .item{display:flex;align-items:center;gap:6px}.legend .item .line{width:14px;height:2px;border-radius:1px}.tooltip{position:absolute;pointer-events:none;background:var(--surface-1);border:1px 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.step{font-family:var(--mono);font-size:11px;color:var(--text-muted);margin-right:6px}.bars{display:grid;gap:10px}.bar-row{display:grid;grid-template-columns:170px minmax(0,1fr) 110px;gap:12px;align-items:center;font-size:12.5px}.bar-row .name{color:var(--text-secondary)}.bar-row .name b{color:var(--text-primary);font-weight:600}.bar-row .value{font-family:var(--mono);text-align:right}.bar-track{position:relative;height:14px}.bar-fill{position:absolute;inset:0 auto 0 0;border-radius:0 4px 4px 0;min-width:2px}.bar-mark{position:absolute;top:-4px;bottom:-4px;width:0;border-left:1.5px dashed var(--text-primary)}@media(max-width:640px){.bar-row{grid-template-columns:minmax(0,1fr) 90px}.bar-row .bar-track{grid-column:1 / -1;grid-row:2}}.formula{font-family:var(--mono);font-size:12px;color:var(--text-secondary);background:var(--surface-0);border:1px solid var(--border);border-radius:var(--radius);padding:8px 10px;line-height:1.7;overflow-x:auto}.formula b{color:var(--text-primary);font-weight:600}.shaft-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}@media(max-width:1200px){.shaft-grid{grid-template-columns:minmax(0,1fr)}}.shaft-grid .panel+.panel{margin-top:0}.checks{display:grid;gap:1px;background:var(--border);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;margin-top:12px}.check{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px;align-items:baseline;padding:6px 10px;background:var(--surface-1);font-size:12.5px}.check .k{color:var(--text-secondary)}.check .v{font-family:var(--mono);text-align:right}.check.head{background:var(--surface-0)}.check.head .v{font-size:18px;font-weight:600}.ref-toc{position:sticky;top:64px;max-height:calc(100vh - 80px);overflow-y:auto}.ref-toc ol{list-style:none;margin:0;padding:0;display:grid;gap:1px}.ref-toc a{display:block;padding:5px 8px;border-radius:var(--radius);color:var(--text-secondary);text-decoration:none;font-size:13px;line-height:1.35}.ref-toc a:hover{background:var(--surface-2);color:var(--text-primary)}.ref-toc a[aria-current=true]{background:var(--surface-2);color:var(--text-primary);font-weight:600;box-shadow:inset 2px 0 0 var(--accent)}.ref-toc .num{font-family:var(--mono);font-size:11px;color:var(--text-muted);margin-right:6px}@media(max-width:1000px){.ref-toc{position:static;max-height:none}}.ref-article section{scroll-margin-top:64px}.ref-article section+section{margin-top:12px}.ref-article h2{font-size:19px;letter-spacing:-.02em;margin-bottom:4px}.ref-article .kicker{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--accent);font-weight:700;margin-bottom:4px}.ref-article h3{font-size:14.5px;margin:22px 0 6px}.ref-article p,.ref-article li{max-width:80ch;line-height:1.65}.ref-article p{margin:0 0 10px}.ref-article ul,.ref-article ol.steps{margin:0 0 12px;padding-left:20px}.ref-article li+li{margin-top:4px}.ref-article .lead{font-size:15px;color:var(--text-secondary);max-width:78ch}.ref-article code{font-family:var(--mono);font-size:12.5px;background:var(--surface-2);padding:1px 5px;border-radius:4px}.ref-article .formula{margin:8px 0 14px;max-width:80ch}.callout{border-left:3px solid var(--border-strong);background:var(--surface-0);border-radius:0 var(--radius) var(--radius) 0;padding:9px 12px;margin:12px 0;max-width:80ch}.callout p:last-child,.callout ul:last-child{margin-bottom:0}.callout .ctitle{font-size:11px;text-transform:uppercase;letter-spacing:.05em;font-weight:700;margin-bottom:3px}.callout.book{border-left-color:var(--accent)}.callout.book .ctitle{color:var(--accent)}.callout.warn{border-left-color:var(--warning)}.callout.warn .ctitle{color:var(--warning)}.callout.note .ctitle{color:var(--text-secondary)}table.data.text td,table.data.text th{text-align:left;vertical-align:top}table.data.text td{font-family:ui-sans-serif,system-ui,sans-serif;font-size:13px;line-height:1.45}table.data.text td.num{font-family:var(--mono);font-size:12.5px;min-width:120px}table.data.text .src{color:var(--text-muted);font-size:11.5px;white-space:nowrap}.flow{display:block;width:100%;max-width:760px;height:auto;margin:8px 0 14px}