:root{color-scheme:light dark;--fg: #1a1a1a;--muted: #666;--border: #d0d0d0;--accent: #2b5fff;--err: #b00020}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,sans-serif;background:#f6f7f9;color:var(--fg);display:flex;min-height:100vh;align-items:center;justify-content:center}.card{background:#fff;width:min(24rem,92vw);margin:2rem;padding:2rem;border-radius:12px;box-shadow:0 1px 3px #00000014,0 8px 24px #0000000f}.logo{display:block;max-width:200px;height:auto;margin:0 auto 1.25rem}h1{font-size:1.25rem;margin:0 0 .25rem;text-align:center}.muted{color:var(--muted);font-size:.9rem;text-align:center;margin-top:0}label{display:block;margin:.9rem 0 .3rem;font-size:.85rem;font-weight:600}input{width:100%;padding:.6rem .7rem;border:1px solid var(--border);border-radius:8px;font-size:1rem}button{width:100%;margin-top:1.25rem;padding:.65rem 1rem;border:0;border-radius:8px;background:var(--accent);color:#fff;font-size:1rem;font-weight:600;cursor:pointer}button:disabled{opacity:.6;cursor:default}.err{color:var(--err);font-size:.9rem}ul{padding-left:1.2rem}