*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--primary:#2563eb;--primary-dark:#1d4ed8;--primary-light:#eff6ff;--success:#16a34a;--success-light:#f0fdf4;--error:#dc2626;--error-light:#fef2f2;--warning:#d97706;--warning-light:#fffbeb;--info:#0284c7;--info-light:#f0f9ff;--text:#111827;--text-secondary:#6b7280;--border:#e5e7eb;--bg:#f3f4f6;--surface:#fff;--radius:14px;--radius-sm:8px;--shadow-lg:0 4px 6px #0000000a, 0 10px 40px #00000012;--font:-apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;--mono:"SF Mono", "Consolas", "Menlo", monospace}body{font-family:var(--font);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;min-height:100vh;line-height:1.55}#root{flex-direction:column;justify-content:center;align-items:center;min-height:100vh;padding:32px 16px;display:flex}.card{background:var(--surface);border-radius:var(--radius);width:100%;max-width:520px;box-shadow:var(--shadow-lg);padding:36px 32px 32px}.card-logo{margin-bottom:4px;font-size:26px}.card-title{letter-spacing:-.3px;color:var(--text);margin-bottom:4px;font-size:22px;font-weight:700}.card-subtitle{color:var(--text-secondary);margin-bottom:24px;font-size:14px}.steps{scrollbar-width:none;align-items:center;margin-bottom:28px;display:flex;overflow-x:auto}.steps::-webkit-scrollbar{display:none}.step{color:var(--text-secondary);white-space:nowrap;align-items:center;gap:6px;font-size:12px;font-weight:500;display:flex}.step-dot{border:2px solid var(--border);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:22px;height:22px;font-size:10px;font-weight:700;transition:background .2s,border-color .2s;display:flex}.step.active{color:var(--primary)}.step.active .step-dot{background:var(--primary);border-color:var(--primary);color:#fff}.step.done .step-dot{background:var(--success);border-color:var(--success);color:#fff}.step-line{background:var(--border);border-radius:2px;flex:1;min-width:20px;max-width:48px;height:2px;margin:0 4px;transition:background .2s}.step-line.done{background:var(--success)}.field{flex-direction:column;gap:6px;margin-bottom:14px;display:flex}.field label{color:var(--text);font-size:13px;font-weight:600}.field-hint{color:var(--text-secondary);margin-top:2px;font-size:12px;line-height:1.5}input.inp,textarea.inp{border:1.5px solid var(--border);border-radius:var(--radius-sm);width:100%;font-family:var(--font);color:var(--text);background:var(--surface);resize:vertical;outline:none;padding:10px 14px;font-size:15px;transition:border-color .15s,box-shadow .15s}input.inp::placeholder,textarea.inp::placeholder{color:#c4c9d1}input.inp:focus,textarea.inp:focus{border-color:var(--primary);box-shadow:0 0 0 3px #2563eb1f}textarea.inp{min-height:130px;font-family:var(--mono);font-size:12.5px;line-height:1.6}.btn{border-radius:var(--radius-sm);font-family:var(--font);cursor:pointer;white-space:nowrap;border:none;justify-content:center;align-items:center;gap:7px;padding:10px 18px;font-size:14px;font-weight:600;transition:background .15s,opacity .15s,transform 80ms;display:inline-flex}.btn:disabled{opacity:.5;cursor:not-allowed}.btn:active:not(:disabled){transform:scale(.98)}.btn-full{width:100%}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-dark)}.btn-outline{color:var(--primary);border:1.5px solid var(--primary);background:0 0}.btn-outline:hover:not(:disabled){background:var(--primary-light)}.btn-ghost{color:var(--text-secondary);border:1.5px solid var(--border);background:0 0}.btn-ghost:hover:not(:disabled){background:var(--bg)}.btn-success{background:var(--success);color:#fff}.btn-success:hover:not(:disabled){background:#15803d}.btn-danger-soft{background:var(--error-light);color:var(--error);border:1.5px solid #dc26262e}.btn-danger-soft:hover:not(:disabled){background:#fee2e2}.btn-sm{padding:6px 12px;font-size:13px}.alert{border-radius:var(--radius-sm);border:1px solid #0000;align-items:flex-start;gap:10px;margin-bottom:16px;padding:12px 14px;font-size:14px;line-height:1.55;display:flex}.alert-icon{flex-shrink:0;font-size:16px}.alert-body{flex:1}.alert-close{cursor:pointer;color:inherit;opacity:.6;background:0 0;border:none;flex-shrink:0;padding:0;font-size:15px;line-height:1}.alert-close:hover{opacity:1}.alert-error{background:var(--error-light);color:#991b1b;border-color:#dc26262e}.alert-success{background:var(--success-light);color:#15803d;border-color:#16a34a2e}.alert-info{background:var(--info-light);color:#075985;border-color:#0284c72e}.alert-warning{background:var(--warning-light);color:#92400e;border-color:#d977062e}.stack{flex-direction:column;display:flex}.gap-8{gap:8px}.gap-12{gap:12px}.gap-16{gap:16px}.choice-card{border:1.5px solid var(--border);border-radius:var(--radius-sm);padding:16px;transition:border-color .15s,background .15s}.choice-card:hover{background:#fafcff;border-color:#93c5fd}.choice-badge{border-radius:20px;margin-bottom:6px;padding:2px 7px;font-size:11px;font-weight:700;display:inline-block}.badge-blue{background:var(--primary-light);color:var(--primary)}.badge-purple{color:#7c3aed;background:#f5f3ff}.choice-title{margin-bottom:6px;font-size:15px;font-weight:700}.choice-desc{color:var(--text-secondary);margin-bottom:14px;font-size:13px;line-height:1.6}.email-box{border-radius:var(--radius-sm);background:#f8faff;border:1.5px solid #bfdbfe;justify-content:space-between;align-items:center;gap:10px;margin-bottom:4px;padding:12px 14px;display:flex}.email-text{font-family:var(--mono);color:var(--primary-dark);word-break:break-all;font-size:14px;font-weight:600}.spinner{border:2.5px solid #ffffff59;border-top-color:#fff;border-radius:50%;flex-shrink:0;width:16px;height:16px;animation:.7s linear infinite spin;display:inline-block}.spinner-blue{border-color:#2563eb33;border-top-color:var(--primary)}@keyframes spin{to{transform:rotate(360deg)}}.polling-area{text-align:center;flex-direction:column;align-items:center;gap:14px;padding:32px 0 20px;display:flex}.polling-title{color:var(--text);font-size:16px;font-weight:600}.polling-sub{color:var(--text-secondary);max-width:340px;font-size:13px;line-height:1.6}.terminal{text-align:center;flex-direction:column;align-items:center;gap:10px;padding:24px 0 16px;display:flex}.terminal-icon{font-size:48px}.terminal-title{font-size:20px;font-weight:700}.terminal-message{color:var(--text-secondary);max-width:360px;font-size:14px;line-height:1.6}.reset-choice-grid{grid-template-columns:1fr 1fr;gap:10px;display:grid}.divider{background:var(--border);height:1px;margin:14px 0}.page-footer{color:#c9d0db;text-align:center;margin-top:10px;font-size:12px}@media (width<=540px){.card{box-shadow:none;border-radius:0;min-height:100dvh;padding:28px 18px 24px}#root{justify-content:flex-start;align-items:stretch;padding:0}.reset-choice-grid{grid-template-columns:1fr}}