:root{--bg:#f4f6fa;--surface:#fff;--text:#0f1b2d;--muted:#56637a;--border:#d5dbe6;--brand:#0b1f3a;--accent:#ffb020;--accent-text:#0b1f3a;--link:#0a55c4;--danger:#b3261e;--focus:#0a55c4}@media (prefers-color-scheme:dark){:root{--bg:#0a1424;--surface:#112038;--text:#eef2f9;--muted:#9fb0c9;--border:#26395a;--link:#7db2ff;--danger:#ff8a80;--focus:#7db2ff}}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:15px;line-height:1.5}a{color:var(--link)}:focus-visible{outline:3px solid var(--focus);outline-offset:2px}.topbar{background:var(--brand);color:#fff;justify-content:space-between;align-items:center;gap:16px;padding:10px 24px;display:flex}.brand{letter-spacing:.01em;font-weight:700}.page{max-width:1100px;margin:0 auto;padding:24px}.page.narrow{max-width:420px;padding-top:64px}.page-error{max-width:1100px;margin:8px auto 0;padding:0 24px}h1{margin:0 0 16px;font-size:1.5rem}.muted{color:var(--muted)}.notice{border:1px solid var(--border);background:var(--surface);border-radius:8px;padding:10px 12px}.field{gap:4px;margin-bottom:14px;display:grid}.field span{font-weight:600}.field input{border:1px solid var(--border);background:var(--surface);min-height:40px;color:var(--text);font:inherit;border-radius:8px;padding:8px 10px}.form-error{min-height:1.5em;color:var(--danger);margin:0 0 8px;font-weight:600}.btn{min-height:40px;font:inherit;cursor:pointer;border:1px solid #0000;border-radius:8px;justify-content:center;align-items:center;padding:8px 18px;font-weight:600;display:inline-flex}.btn:disabled{opacity:.6;cursor:progress}.btn.primary{background:var(--accent);color:var(--accent-text)}.btn.secondary{color:inherit;background:0 0;border-color:currentColor}.btn.small{min-height:34px;padding:4px 12px}@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}