@charset "UTF-8";
:root{color-scheme:light;--bg:#f5f4ef;--surface:#fff;--ink:#182b30;--muted:#52666a;--line:#d8e1df;--accent:#14695f;--soft:#e7f3ef;--warn:#994510;--radius:14px;--space:20px;font-family:Inter,"Segoe UI",system-ui,sans-serif;font-size:16px}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);line-height:1.55}a{color:var(--accent);text-underline-offset:3px}button,input,select{font:inherit}button,a,input,select,summary{touch-action:manipulation}button{cursor:pointer;min-height:44px;padding:10px 15px;border-radius:9px;border:1px solid var(--line);background:white;color:var(--ink);font-weight:600}button:hover{border-color:var(--accent);background:var(--soft)}button:disabled{cursor:wait;opacity:.55}button.primary{background:var(--accent);color:white;border-color:var(--accent)}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #d59622;outline-offset:3px}input,select{min-height:44px;width:100%;border:1px solid #a7b7b5;border-radius:7px;padding:8px 10px;background:var(--surface);color:var(--ink);min-width:0}input[type=range]{padding:0;accent-color:var(--accent)}label{display:block;font-size:.88rem;font-weight:650}label small{display:block;font-weight:400;color:var(--muted)}header{max-width:1260px;margin:auto;padding:24px 28px;display:flex;justify-content:space-between;align-items:center;gap:20px;border-bottom:1px solid var(--line)}.brand{font-weight:750;letter-spacing:.03em}.brand span{color:var(--accent)}nav{display:flex;gap:22px;font-size:.9rem;flex-wrap:wrap}.wrap{max-width:1260px;margin:auto;padding:34px 28px}.hero{display:flex;justify-content:space-between;align-items:flex-end;gap:28px;margin-bottom:28px}.eyebrow{font-size:.78rem;letter-spacing:.11em;color:var(--accent);font-weight:750;text-transform:uppercase}h1{font-size:clamp(1.9rem,3.5vw,2.7rem);line-height:1.17;letter-spacing:-.035em;margin:9px 0 16px;max-width:780px}h2{font-size:1.13rem;line-height:1.3;margin:0 0 16px}h3{font-size:1rem;margin:0 0 12px}p{margin:0 0 14px}.intro{max-width:730px;color:var(--muted)}.badge{font-size:.8rem;white-space:nowrap;border:1px solid var(--line);border-radius:6px;padding:7px 10px;background:var(--surface)}.layout{display:grid;grid-template-columns:282px minmax(0,1fr);gap:22px;align-items:start}.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px}.controls{display:grid;gap:17px}.field{display:grid;gap:6px}.row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.presets{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 20px}.presets button{font-size:.84rem;min-height:42px}.results{display:grid;gap:20px;min-width:0}.metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.metric{padding:17px 14px;background:var(--surface);border:1px solid var(--line);border-radius:12px;min-width:0}.metric .value{display:block;font-size:1.75rem;line-height:1.2;font-weight:720;font-variant-numeric:tabular-nums;margin:9px 0}.metric .label{font-size:.83rem;color:var(--muted)}.metric small{color:var(--muted);font-size:.77rem}.note{font-size:.85rem;color:var(--muted);line-height:1.6}.status{min-height:26px;font-size:.85rem;color:var(--muted);margin:4px 0 0}.error{color:#a02920;background:#fff0ed;border:1px solid #edbab4;border-radius:8px;padding:12px;margin-bottom:16px}.flow{display:grid;grid-template-columns:1fr 32px 1fr 1fr;gap:10px;align-items:center}.station{border:1px solid var(--line);border-radius:10px;padding:13px;background:#fbfcfb;min-width:0}.station h3{margin-bottom:8px}.station strong{font-size:1.3rem}.station p{font-size:.79rem;margin:5px 0 0;color:var(--muted)}.meter{height:6px;margin:10px 0;background:#e3ebe8;border-radius:8px;overflow:hidden}.meter i{display:block;background:var(--accent);height:100%;width:0}.arrow{text-align:center;font-size:1.3rem;color:var(--muted)}.legend{display:flex;gap:16px;flex-wrap:wrap;font-size:.8rem;color:var(--muted);margin-top:10px}.legend span::before{content:"";display:inline-block;width:10px;height:10px;background:var(--color);border-radius:50%;margin-right:6px}.chart{width:100%;display:block;min-height:180px}.chart text{fill:var(--muted);font-size:12px}.chart line{stroke:var(--line)}.actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.actions button{font-size:.86rem}details{border-top:1px solid var(--line);padding-top:14px;margin-top:2px}summary{cursor:pointer;font-size:.86rem;font-weight:600;min-height:36px}details .field{margin-top:14px}.table-wrap{overflow:auto;max-width:100%}table{width:100%;border-collapse:collapse;font-size:.84rem}th,td{text-align:left;padding:10px;border-bottom:1px solid var(--line)}th{color:var(--muted);font-weight:650}td:not(:first-child){font-variant-numeric:tabular-nums}.explain{margin-top:30px;display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.explain article{border-top:2px solid var(--line);padding-top:17px}.explain p{font-size:.9rem;color:var(--muted)}footer{max-width:1260px;margin:20px auto 0;padding:24px 28px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:18px;color:var(--muted);font-size:.82rem}.sr-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}[hidden]{display:none!important}.tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px}.tabs [aria-selected=true]{background:var(--accent);color:white}.tree-canvas{width:100%;height:300px;background:#fafcfb;border-radius:10px}.tree-canvas text{font:600 15px "Segoe UI",sans-serif;fill:var(--ink)}.tree-canvas line{stroke:#91ada5;stroke-width:2}.tree-canvas circle{fill:var(--soft);stroke:var(--accent);stroke-width:2}.empty{min-height:100px;display:grid;place-items:center;color:var(--muted)}code{font-family:"Cascadia Code",Consolas,monospace;font-size:.9em;background:var(--soft);padding:2px 5px;border-radius:4px}
@media(max-width:960px){.metrics{grid-template-columns:repeat(2,1fr)}.hero{display:block}.hero .badge{display:inline-block;margin-top:10px}.layout{grid-template-columns:250px minmax(0,1fr)}.flow{grid-template-columns:1fr 1fr}.arrow{display:none}.flow .station:first-child{grid-column:1/-1}.explain{grid-template-columns:1fr}}
@media(max-width:680px){header,.wrap,footer{padding:20px 16px}header{align-items:flex-start}nav{gap:10px;font-size:.8rem}.layout{grid-template-columns:1fr}.panel{padding:18px}.controls{gap:15px}.metrics{gap:10px}.hero{margin-bottom:20px}.explain{gap:14px}footer{display:block}.chart{min-height:155px}.presets{gap:6px}.metric .value{font-size:1.5rem}.tree-canvas{height:240px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}}
.tabs [aria-pressed=true]{background:var(--accent);color:white} .metrics .value{overflow-wrap:anywhere} @media(min-width:681px){.metrics:has(.metric:nth-child(3)):not(:has(.metric:nth-child(4))){grid-template-columns:repeat(3,minmax(0,1fr))}}