:root{--forest:#25443d;--forest-d:#1a322c;--moss:#576656;--teal:#41685e;--bark:#666256;--taupe:#776f60;--sand:#b4a489;--stone:#cbc4b6;--slate:#4f5754;--ash:#a4a09a;--ink:#121417;--ink-2:#5a6069;--ink-3:#8c919a;--paper:#fff;--band:#f7f7f5;--line:#eaeae7;--ok:#2c6a4c;--ok-bg:#e7f1ea;--attn:#8f6b1a;--attn-bg:#fbf2dc;--stop:#8c382c;--stop-bg:#f8ebe8;--sans:Archivo,system-ui,-apple-system,"Segoe UI",sans-serif;--mono:"IBM Plex Mono",ui-monospace,Menlo,monospace}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased}a{color:var(--forest)}:focus-visible{outline:2px solid var(--teal);outline-offset:3px;border-radius:4px}h1{font-size:2rem;letter-spacing:-.04em;margin:0 0 .6rem;line-height:1.1}h1,h2{font-weight:600}h2{font-size:1.3rem;letter-spacing:-.03em;margin:0 0 .5rem}p{margin:0 0 1rem;max-width:56ch;color:var(--ink-2)}.shell{max-width:960px;margin-inline:auto;padding:0 1.5rem}.centre{max-width:480px;margin:0 auto;padding:4rem 1.5rem}.topbar{border-bottom:1px solid var(--line);padding:.9rem 0;position:-webkit-sticky;position:sticky;top:0;background:hsla(0,0%,100%,.9);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);z-index:20}.topbar .shell{display:flex;align-items:center;gap:1rem}.topbar img{height:34px;width:auto}.topbar .who{margin-left:auto;font-size:.88rem;color:var(--ink-3)}label{display:block;font-size:.88rem;font-weight:500;margin:1.1rem 0 .35rem}input,select,textarea{width:100%;padding:.75rem .9rem;border:1px solid var(--line);border-radius:9px;background:#fff;color:var(--ink)}.btn,input,select,textarea{font-family:var(--sans);font-size:1rem}.btn{display:inline-flex;align-items:center;gap:.45rem;font-weight:500;padding:.78rem 1.4rem;border:1px solid var(--ink);background:var(--ink);color:#fff;border-radius:9px;cursor:pointer}.btn:hover{background:var(--forest);border-color:var(--forest)}.btn:disabled{opacity:.5;cursor:default}.btn.line{background:#fff;color:var(--ink);border-color:var(--line)}.btn.full{width:100%;justify-content:center}.msg{padding:.9rem 1.1rem;border-radius:10px;font-size:.92rem;margin:1rem 0}.msg.ok{background:var(--ok-bg);color:var(--ok)}.msg.bad{background:var(--stop-bg);color:var(--stop)}.msg.warn{background:var(--attn-bg);color:var(--attn)}.hint{font-size:.85rem;color:var(--ink-3);margin:.4rem 0 0}.card{border:1px solid var(--line);border-radius:14px;padding:1.4rem;background:#fff}.tiles{display:grid;grid-gap:1rem;gap:1rem;grid-template-columns:repeat(2,1fr);margin:1.5rem 0}@media(min-width:640px){.tiles{grid-template-columns:repeat(4,1fr)}}.tile .n{font-size:1.7rem;font-weight:600;letter-spacing:-.04em;display:block;line-height:1}.tile .t{font-size:.82rem;color:var(--ink-3)}.total{font-size:2.6rem;font-weight:600;letter-spacing:-.05em;line-height:1;margin:0;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.rule{width:230px;margin-top:.5rem}.rule hr{border:0;border-top:1px solid var(--ink);margin:0 0 3px}.rule .b{border-top:4px solid var(--teal)}.empty{border:1px dashed var(--line);border-radius:14px;padding:2.5rem 1.5rem;text-align:center;color:var(--ink-3)}.steps{display:flex;gap:.4rem;margin-bottom:2rem}.steps i{height:4px;flex:1 1;border-radius:3px;background:var(--line)}.steps i.on{background:var(--teal)}