:root{color-scheme:light dark;--bg:#f5f6fa;--ink:#151923;--muted:#51596b;--accent:#3455f6;--card:#fff}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.55 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}main{max-width:620px;margin:0 auto;padding:42px 26px 48px}header{display:flex;align-items:center;gap:10px;font-size:26px;font-weight:850;letter-spacing:.04em}h1{font-size:clamp(36px,7.5vw,50px);line-height:1.08;letter-spacing:-.045em;margin:48px 0 20px;font-weight:850}h2{font-size:21px;line-height:1.3;letter-spacing:-.025em}.intro{font-size:20px;max-width:32ch;color:var(--muted);margin-bottom:30px}.primary{display:block;text-align:center;background:var(--accent);color:#fff;border-radius:14px;padding:16px;font-weight:700;text-decoration:none}.help,footer{font-size:14px;color:var(--muted)}.help{margin:16px 0 28px}.codebox{padding:20px;border-radius:16px;background:var(--card)}label{display:block;font-weight:650;margin-bottom:8px}input{width:100%;background:transparent;border:1px solid #9ca3b5;border-radius:8px;padding:12px;font:14px ui-monospace,monospace;color:var(--ink)}button{font:inherit;font-weight:600;border:0;border-radius:10px;background:var(--ink);color:var(--bg);padding:12px 18px;margin-top:12px;cursor:pointer;min-height:46px}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid var(--accent);outline-offset:4px}.install{border-top:1px solid #aeb5c633;margin-top:30px;padding-top:18px}.install p{color:var(--muted)}footer{margin-top:32px}#status{font-size:14px;color:var(--muted)}[hidden]{display:none!important}@media(prefers-color-scheme:dark){:root{--bg:#151923;--ink:#f5f6fa;--muted:#b6bece;--card:#202535;--accent:#3455f6}}