:root{color-scheme:dark;--bg:#080b13;--card:#111827;--ink:#edf4f5;--muted:#a7b5c5;--accent:#7fe4ca;--amber:#f4c46b;--line:#2d3b4b}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 system-ui,sans-serif}main{max-width:960px;margin:auto;padding:32px}header{display:flex;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:24px;margin-bottom:48px;letter-spacing:.16em;font-size:12px}a{color:var(--accent)}header a{text-decoration:none;font-weight:900}h1{font-size:clamp(30px,5vw,52px);line-height:1.12;letter-spacing:-.04em;margin:16px 0 24px;overflow-wrap:anywhere}h2{font-size:20px}.eyebrow{color:var(--accent);letter-spacing:.15em;font-size:12px;font-weight:800}.muted,dt,footer{color:var(--muted)}.status{font-size:26px;font-weight:800;color:var(--accent)}.stale{color:var(--amber)}.invalid{color:#ffa3a3}.hero{display:flex;justify-content:space-between;align-items:center;gap:30px;margin:28px 0;padding:28px;background:var(--card);border-radius:14px}.seconds{font-size:68px;line-height:1.2;font-weight:800;letter-spacing:-.05em}.grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.grid>div{background:var(--card);padding:16px;border-radius:8px}dt{font-size:12px;text-transform:uppercase;letter-spacing:.05em}dd{margin:4px 0;overflow-wrap:anywhere}.hash{overflow-wrap:anywhere;font:12px/1.8 ui-monospace,monospace}details{border:1px solid var(--line);border-radius:10px;padding:20px;margin:24px 0}summary{cursor:pointer;font-weight:700}.actions{display:flex;gap:10px;flex-wrap:wrap;margin:22px 0}button,.button{font:inherit;font-size:14px;font-weight:700;background:var(--accent);color:var(--bg);border:0;padding:12px 16px;border-radius:7px;cursor:pointer;text-decoration:none;display:inline-block}button:disabled{opacity:.4;cursor:default}input,textarea{font:inherit;width:100%;background:var(--bg);border:1px solid #5a6a7a;border-radius:5px;color:var(--ink);padding:9px;margin:6px 0 16px}input[type=checkbox]{width:auto;margin:10px}label{display:block}fieldset{border:1px solid var(--line);margin:20px 0}svg{display:block;width:100%;height:auto;shape-rendering:crispEdges}#qr,#requestQr{width:240px;min-width:240px;background:white;padding:8px;border-radius:8px}#history{padding-left:24px}footer{border-top:1px solid var(--line);margin-top:42px;padding:24px 0;font-size:13px}#message:empty{display:none}#message{color:var(--amber)}:focus-visible{outline:3px solid var(--amber);outline-offset:3px}[hidden]{display:none!important}@media(max-width:600px){main{padding:20px}.grid{grid-template-columns:1fr}.hero{flex-direction:column;align-items:flex-start}header span{display:none}.seconds{font-size:54px}}@media print{:root{color-scheme:light;--bg:white;--card:#f1f5f7;--ink:#18212a;--muted:#425363;--accent:#08715b;--line:#cbd5de}main{max-width:none;padding:0}header{margin-bottom:16px}.actions,#welcome,#requestForm,#message,details,footer a,input,label:has(input){display:none!important}.hero{break-inside:avoid;margin:16px 0;padding:16px}h1{font-size:30px}.seconds{font-size:48px}.grid{gap:8px}.grid>div{padding:8px}#qr{width:220px;min-width:220px}footer{margin-top:18px}.stale{color:#875500}.invalid{color:#a00000}body{font-size:12px}}