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.send-btn:disabled{opacity:.5;cursor:not-allowed}.login-stage{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:linear-gradient(135deg,#eef2f9 0%,var(--c-bg) 45%,#e9eef8 100%)}.login-card{width:min(460px,100%)}.auth-card{width:min(520px,100%)}.auth-tabs{display:flex;gap:4px;padding:4px;margin-bottom:18px;background:#f3f4f6;border-radius:var(--radius)}.auth-tab{flex:1;padding:8px 4px;font-size:13px;color:var(--c-text-sub);border-radius:6px;transition:all .15s}.auth-tab:hover{color:var(--c-primary)}.auth-tab.active{background:#fff;color:var(--c-primary);font-weight:600;box-shadow:var(--shadow-sm)}.code-row{display:grid;grid-template-columns:1fr auto;gap:8px;align-items:center}.code-row .btn{white-space:nowrap}.dev-echo{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:8px 10px;font-size:12px;color:#92400e;background:#fffbeb;border:1px dashed var(--c-warning);border-radius:var(--radius)}.dev-echo-tag{padding:1px 6px;font-weight:600;color:#fff;background:var(--c-warning);border-radius:4px}.dev-echo-code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:15px;font-weight:700;letter-spacing:2px}.notice-box{padding:10px 12px;font-size:12px;line-height:1.7;color:var(--c-text-sub);background:#f9fafb;border:1px solid var(--c-border);border-radius:var(--radius)}.notice-box.is-warning{color:#92400e;background:#fffbeb;border-color:var(--c-warning)}.auth-links{display:flex;gap:16px;justify-content:center;margin-top:14px}.auth-link{font-size:12px;color:var(--c-text-sub);background:none}.auth-link:hover{color:var(--c-primary-light);text-decoration:underline}.unlock-panel{margin-top:14px;padding:14px;background:#f9fafb;border:1px solid var(--c-border);border-radius:var(--radius)}.demo-head{display:flex;align-items:center;gap:8px}.seed-result{padding:10px 12px 10px 26px;font-size:12px;line-height:1.9;color:#047857;background:#f0fdf7;border-radius:var(--radius)}.steps{display:flex;gap:8px;margin-bottom:18px;list-style:none}.steps .step{flex:1;padding-bottom:8px;font-size:12px;text-align:center;color:var(--c-text-mute);border-bottom:2px solid var(--c-border)}.steps .step.active{color:var(--c-primary);font-weight:600;border-bottom-color:var(--c-primary)}.steps .step.done{color:var(--c-success);border-bottom-color:var(--c-success)}.ticket-code{padding:12px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:14px;word-break:break-all;background:#f9fafb;border:1px dashed var(--c-border);border-radius:var(--radius)}.ticket-code.is-expired{color:var(--c-text-mute);text-decoration:line-through}.role-picker{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.role-option{border:1.5px solid var(--c-border);border-radius:10px;padding:12px 8px;text-align:center;background:#fff;cursor:pointer;transition:all .15s}.role-option:hover{border-color:var(--c-primary-light);background:#f8faff}.role-option.selected{border-color:var(--c-primary);background:var(--c-primary-bg)}.role-option .ic{font-size:20px;display:block;margin-bottom:4px}.role-option .nm{font-size:13px;font-weight:500}@media(max-width:560px){.app-header .brand-suffix{display:none}}