:root{color:#1a1a1a;background:#f7f8fa;font-family:system-ui,-apple-system,sans-serif;line-height:1.5}body{margin:0}.page{background:#fff;border-radius:8px;max-width:640px;margin:2rem auto;padding:1.5rem;box-shadow:0 1px 4px #00000014}.progress{background:#e5e7eb;border-radius:3px;height:6px;margin-bottom:1.5rem;overflow:hidden}.progress-bar{background:#2563eb;height:100%;transition:width .2s}.options{padding:0;list-style:none}.options li{margin-bottom:.5rem}.options label{cursor:pointer;align-items:center;gap:.5rem;display:flex}button{color:#fff;cursor:pointer;background:#2563eb;border:none;border-radius:6px;margin-top:1rem;padding:.6rem 1.2rem}button:disabled{opacity:.6;cursor:not-allowed}input[type=text],input:not([type]){box-sizing:border-box;border:1px solid #d1d5db;border-radius:6px;width:100%;padding:.6rem}.error{color:#b91c1c}