:root{--page-bg: #f5f6f8;--card-bg: #ffffff;--ink: #1f2430;--muted: #7a8395;--line: #e4e7ec;--brand: #4b6fe0;--danger: #d13438}*{box-sizing:border-box}body{margin:0;background:var(--page-bg);color:var(--ink);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}.page{min-height:100vh;display:flex;flex-direction:column;align-items:center}.card-wrap{width:100%;max-width:480px;margin:0 auto;padding:48px 16px;display:flex;flex-direction:column}.wordmark{align-self:center;margin-bottom:40px;font-size:20px;font-weight:700;color:var(--ink)}.card{background:var(--card-bg);border:1px solid var(--line);border-radius:12px;padding:32px}.card h1{margin:0 0 8px;font-size:24px;font-weight:600;line-height:1.3;color:var(--ink)}.subtitle{margin:0 0 24px;font-size:14px;color:var(--muted)}.card-footer{margin-top:20px;text-align:center;font-size:14px}.card-footer a{color:var(--brand);text-decoration:none}.card-footer a:hover{text-decoration:underline}.field{display:block;margin-bottom:16px}.field-label{display:block;margin-bottom:6px;font-size:13px;font-weight:600;color:var(--ink)}.req{color:var(--danger)}.field input{width:100%;padding:10px;border:1px solid var(--line);border-radius:6px;font-size:14px;font-family:inherit;color:var(--ink);background:var(--card-bg)}.field input:focus{outline:none;border-color:var(--brand)}.primary{width:100%;margin-top:8px;padding:12px;border:none;border-radius:6px;background:var(--brand);color:#fff;font-size:15px;font-weight:600;font-family:inherit;cursor:pointer}.primary:disabled{background:var(--line);color:var(--muted);cursor:not-allowed}.error{margin:4px 0 16px;font-size:13px;color:var(--danger)}.hint,.notice{font-size:12px;color:var(--muted)}.steps{margin:0 0 20px;padding-left:20px;font-size:13px;color:var(--ink)}.steps li{margin-bottom:8px}.qr-panel{display:flex;justify-content:center;align-items:center;background:#fff;border:1px solid var(--line);border-radius:8px;padding:20px;margin-bottom:16px}.secret-key{margin:0 0 20px;text-align:center;font-size:14px;letter-spacing:1px;color:var(--ink)}