:root{color-scheme:light;--bg:#f8fafc;--surface:#ffffff;--text:#0f172a;--muted:#64748b;--border:#e2e8f0;--accent:#0f172a;--danger:#b91c1c}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}a{color:inherit}input,select{font:inherit;padding:.5rem .65rem;border:1px solid var(--border);border-radius:6px;background:var(--surface);color:var(--text)}button{font:inherit;cursor:pointer}.btn-primary{background:var(--accent);color:white;border:none;border-radius:6px;padding:.6rem 1rem}.btn-primary:disabled{opacity:.5;cursor:default}.field{display:flex;flex-direction:column;gap:.25rem;margin-bottom:.85rem}.field label{font-size:.85rem;color:var(--muted)}.error-text{color:var(--danger);font-size:.85rem}