:root{--bg:#f6f4ef;--card:#fff;--text:#1c1b19;--muted:#6b6760;--line:#e4e0d8;--accent:#1f4d3a;--accent-text:#fff;--up:#1d7a46;--down:#b3261e}@media (prefers-color-scheme:dark){:root{--bg:#151412;--card:#1f1d1a;--text:#f1eee8;--muted:#a39e95;--line:#34312c;--accent:#6fbf95;--accent-text:#0e1a14;--up:#6fbf95;--down:#f08a80}}*{box-sizing:border-box}html,body{background:var(--bg);color:var(--text);margin:0}body{padding:env(safe-area-inset-top) 0 env(safe-area-inset-bottom);font:16px/1.45 -apple-system,BlinkMacSystemFont,SF Pro Text,system-ui,sans-serif}h1{margin:.5rem 0 1rem;font-size:1.6rem}h2{margin:0 0 .5rem;font-size:1.05rem}h3{margin:.15rem 0;font-size:1rem}p{margin:0}.shell{flex-direction:column;gap:14px;max-width:560px;margin:0 auto;padding:16px;display:flex}.narrow{max-width:400px;padding-top:12vh}.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px}.stack{flex-direction:column;gap:12px;display:flex}.tight{gap:6px}.row{align-items:center;display:flex}.between{justify-content:space-between}.gap{flex-wrap:wrap;align-items:flex-start;gap:10px}.big{letter-spacing:-.02em;font-variant-numeric:tabular-nums;font-size:2.3rem;font-weight:700}.muted{color:var(--muted)}.small{font-size:.85rem}.up{color:var(--up);font-weight:600}.down{color:var(--down)}.error{color:var(--down);font-size:.9rem}.pre,.answer{white-space:pre-wrap}.answer{border-top:1px solid var(--line);padding-top:10px}label{color:var(--muted);flex-direction:column;gap:4px;font-size:.9rem;display:flex}input,textarea{font:inherit;color:var(--text);background:var(--bg);border:1px solid var(--line);border-radius:10px;width:100%;padding:10px 12px;font-size:16px}button{font:inherit;background:var(--accent);color:var(--accent-text);cursor:pointer;border:0;border-radius:10px;padding:11px 16px;font-weight:600}button.secondary{color:var(--text);border:1px solid var(--line);background:0 0}button.link{color:var(--muted);background:0 0;padding:4px;font-weight:500}button:disabled{opacity:.55;cursor:default}.accounts{margin:0;padding:0;list-style:none}.accounts li{border-top:1px solid var(--line);font-variant-numeric:tabular-nums;justify-content:space-between;gap:12px;padding:10px 0;display:flex}.accounts li:first-child{border-top:0}