:root{--bg:#f6f7fb;--card:#fff;--text:#1b1d29;--muted:#6b7080;--line:#e4e6ee;--accent:#4f46e5;--accent-text:#fff;--danger:#c0392b;--warn:#b45309;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--bg:#12131a;--card:#1c1e29;--text:#eceef7;--muted:#9aa0b5;--line:#2d3040;--accent:#7c74ff;--accent-text:#0e0f18;--danger:#ff7a6b;--warn:#f5a524}}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);margin:0;font:16px/1.45 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}main{max-width:640px;margin:0 auto;padding:16px 16px 64px}h1{margin:8px 0 16px;font-size:1.5rem}h2{letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin:24px 4px 8px;font-size:.8rem}h3{margin:0 0 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0}.error{color:var(--danger);margin:0;font-size:.9rem}.banner{margin:12px 4px 0}.hint{font-size:.85rem}.overlay,.captcha-overlay{z-index:50;background:#00000080;place-items:center;padding:16px;display:grid;position:fixed;inset:0}.dialog{width:min(420px,100%);max-height:90vh;overflow:auto}.captcha-box{background:var(--card);border-radius:12px;padding:16px}.tabs{gap:4px;margin:8px 0 12px;display:flex}.tabs button{border:1px solid var(--line);background:var(--bg);cursor:pointer;border-radius:8px;flex:1;padding:8px}.tabs button.active{background:var(--accent);border-color:var(--accent);color:var(--accent-text)}.center{text-align:center}.qr{background:#fff;border-radius:8px;padding:8px}.code{letter-spacing:.15em;margin:8px 0;font:600 1.8rem/1.2 ui-monospace,SFMono-Regular,Menlo,monospace}.code-input{letter-spacing:.15em;text-transform:uppercase;text-align:center;margin-bottom:12px;font:600 1.4rem 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