:root{--bg:#0b100c;--panel:#1b2216;--line:#485839;--text:#eef2ea;--muted:#acb3a5;--lime:#c4ff64;--bad:#ff8a7a}
*{box-sizing:border-box}
[hidden]{display:none!important}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.4 system-ui,-apple-system,"Segoe UI",sans-serif;padding:env(safe-area-inset-top) 16px calc(16px + env(safe-area-inset-bottom))}
header{display:flex;justify-content:space-between;align-items:center;max-width:520px;margin:auto;padding:14px 0;font-size:13px;letter-spacing:.08em}
.pill{border:1px solid var(--line);border-radius:999px;padding:4px 10px;font-size:12px;color:var(--muted)}
.pill.ok{color:var(--lime);border-color:var(--lime)}.pill.bad{color:var(--bad);border-color:var(--bad)}
main{max-width:520px;margin:auto;display:grid;gap:14px}
body.unpaired main>*:not(#notice){display:none!important}
.preview{position:relative;aspect-ratio:16/9;background:#000;border-radius:8px;overflow:hidden}
.preview img{width:100%;height:100%;object-fit:contain;display:block}
.count{position:absolute;inset:0;display:grid;place-items:center;font-size:96px;font-weight:800;color:var(--lime);text-shadow:0 4px 30px #000}
h1{margin:0;font-size:24px}#runner-meta{margin:2px 0 0;color:var(--muted)}
.message{min-height:1.4em;margin:0;color:var(--lime)}
form{display:flex;gap:8px}
input,select{flex:1;min-width:0;width:100%;font:inherit;padding:12px;border-radius:8px;border:1px solid var(--line);background:var(--panel);color:var(--text)}
#bib{font-size:24px;font-weight:700}
button{font:inherit;font-weight:700;padding:14px 16px;border-radius:8px;border:1px solid var(--line);background:#293421;color:var(--text)}
button.primary{background:var(--lime);color:#17200e;border-color:var(--lime)}
button:disabled{opacity:.45}
.segmented{display:flex;gap:4px;border:1px solid var(--line);border-radius:8px;padding:4px}
.segmented button{flex:1;border:0;background:transparent;color:var(--muted);padding:10px}
.segmented button[aria-pressed=true]{background:var(--lime);color:#17200e}
.actions{display:grid;gap:8px}.actions .primary{font-size:20px;padding:18px}
details{border-top:1px solid var(--line);padding-top:10px}summary{cursor:pointer;color:var(--muted)}
details>*+*{margin-top:10px}details>button{width:100%}
#qr svg{width:220px;height:220px;display:block;background:#fff;padding:8px;border-radius:8px}
.help{color:var(--muted);font-size:13px;margin:0}
.notice{border:1px solid var(--line);background:var(--panel);border-radius:10px;padding:16px;display:grid;gap:12px}.notice p{margin:0}