:root{--bg:#f4f6f8;--card:#fff;--ink:#1c2733;--mute:#66727f;--line:#e1e6ea;--brand:#1f4f78;--brand-ink:#fff;--good:#1b7f4b;--bad:#b3261e;--warn:#9a6700}
@media (prefers-color-scheme:dark){:root{--bg:#10151a;--card:#192028;--ink:#e8edf2;--mute:#93a0ad;--line:#27313b;--brand:#6aa7d8;--brand-ink:#0b1116;--good:#4cc38a;--bad:#ff8a80;--warn:#e3b341}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.4 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left)}
main{max-width:480px;margin:0 auto;padding:16px}
header{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:4px}
h1{font-size:20px;margin:0}
h2{font-size:14px;margin:18px 0 8px}
.sub{color:var(--mute);font-size:12px;margin:0 0 14px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px;margin-bottom:12px}
.hero{border-left:5px solid var(--bad)}
.hero.ok{border-left-color:var(--good)}
.lbl{font-size:12px;color:var(--mute);text-transform:uppercase;letter-spacing:.04em}
.big{font-size:32px;font-weight:700;margin:2px 0}
.neg{color:var(--bad)}.pos{color:var(--good)}.warn{color:var(--warn)}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:12px}
.grid .card{margin:0}
.num{font-size:20px;font-weight:650;margin-top:2px}
.row{display:flex;justify-content:space-between;gap:12px;padding:9px 0;border-bottom:1px solid var(--line)}
.row:last-child{border:0}
.row small{display:block;color:var(--mute)}
.bar{height:8px;background:var(--line);border-radius:9px;overflow:hidden;margin-top:6px}
.bar i{display:block;height:100%;background:var(--brand)}
.empty{color:var(--mute);padding:6px 0}
.banner{border:1px solid var(--warn);color:var(--warn);border-radius:10px;padding:8px 12px;margin-bottom:12px;font-size:13px}
button{font:inherit;border:0;border-radius:12px;padding:12px 16px;background:var(--brand);color:var(--brand-ink);font-weight:600;min-height:44px}
button.link{background:none;color:var(--mute);font-weight:400;text-decoration:underline;min-height:0;padding:8px}
button:disabled{opacity:.6}
input{font:inherit;font-size:28px;letter-spacing:.4em;text-align:center;width:100%;padding:12px;border-radius:12px;border:1px solid var(--line);background:var(--card);color:var(--ink)}
.center{text-align:center;padding-top:12vh}
.err{color:var(--bad);min-height:1.4em;margin:8px 0}
.hint{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:12px;margin-top:16px;font-size:13px;color:var(--mute);text-align:left}
footer{color:var(--mute);font-size:11px;text-align:center;margin:16px 0 8px}