:root{color-scheme:light;font-family:system-ui,-apple-system,Segoe UI,sans-serif}body{margin:0;background:#f4f5f7;color:#1a1a1a}.page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;box-sizing:border-box}.card{background:#fff;border-radius:12px;box-shadow:0 1px 3px #0000001a;padding:32px;max-width:480px;width:100%}h1{font-size:20px;margin:0 0 12px}p{line-height:1.5;color:#444}form{display:flex;flex-direction:column;gap:8px;margin-top:16px}label{font-size:14px;font-weight:600}input{padding:10px 12px;border:1px solid #ccc;border-radius:8px;font-size:16px}button{margin-top:8px;padding:12px 16px;border:none;border-radius:8px;background:#1a1a1a;color:#fff;font-size:15px;cursor:pointer}button:disabled{opacity:.6;cursor:default}button.danger{background:#c62828}.error{color:#c62828;font-size:14px}