:root{--auth-navy:#0a1830;--auth-navy-2:#0f2049;--auth-blue:#2f6fed;--auth-blue-dark:#1e4fc4;--auth-green:#16a34a;--auth-red:#dc2626;--auth-bg:#fff;--auth-card-bg:#fff;--auth-text:#111827;--auth-text-muted:#64748b;--auth-border:#e3e8f0}@media (prefers-color-scheme:dark){:root{--auth-bg:#0b1220;--auth-card-bg:#121d38;--auth-text:#e7ebf3;--auth-text-muted:#94a3b8;--auth-border:#223049}}.auth-page{background:linear-gradient(160deg, var(--auth-navy) 0%, var(--auth-navy-2) 100%);box-sizing:border-box;justify-content:center;align-items:center;min-height:100vh;padding:40px 16px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;display:flex}.auth-card{background:var(--auth-card-bg);width:100%;max-width:420px;color:var(--auth-text);box-sizing:border-box;border-radius:14px;padding:36px 32px;box-shadow:0 30px 60px #00000059}.auth-card.auth-card-wide{max-width:640px}.auth-logo{align-items:center;gap:10px;margin-bottom:24px;display:flex}.auth-logo img{width:34px;height:34px;display:block}.auth-logo span{color:var(--auth-text);font-size:18px;font-weight:700}.auth-title{color:var(--auth-text);margin:0 0 6px;font-size:22px;line-height:1.25}.auth-subtitle{color:var(--auth-text-muted);margin:0 0 24px;font-size:13px}.auth-field{margin-bottom:16px;display:block}.auth-field label{color:var(--auth-text);margin-bottom:6px;font-size:13px;font-weight:600;display:block}.auth-field input,.auth-field textarea{border:1px solid var(--auth-border);background:var(--auth-bg);width:100%;color:var(--auth-text);box-sizing:border-box;border-radius:8px;padding:11px 12px;font-family:inherit;font-size:14px}.auth-field input:focus,.auth-field textarea:focus{outline:2px solid var(--auth-blue);outline-offset:1px}.auth-field textarea{resize:vertical;min-height:80px}.auth-hint{color:var(--auth-text-muted);margin:6px 0 0;font-size:12px}.auth-error{color:var(--auth-red);background:#dc26261f;border-radius:8px;margin:0 0 16px;padding:10px 12px;font-size:13px}.auth-success{color:var(--auth-green);background:#16a34a1f;border-radius:8px;margin:0 0 16px;padding:10px 12px;font-size:13px}.auth-btn{cursor:pointer;background:var(--auth-blue);color:#fff;box-sizing:border-box;border:none;border-radius:8px;justify-content:center;align-items:center;gap:8px;width:100%;padding:12px 20px;font-family:inherit;font-size:15px;font-weight:600;display:inline-flex}.auth-btn:hover{background:var(--auth-blue-dark)}.auth-btn[disabled]{opacity:.6;cursor:not-allowed}.auth-btn-secondary{color:var(--auth-text);border:1px solid var(--auth-border);background:0 0;width:auto}.auth-btn-secondary:hover{border-color:var(--auth-blue);color:var(--auth-blue);background:0 0}.auth-btn-row{gap:10px;margin-top:4px;display:flex}.auth-btn-row .auth-btn{flex:1;width:auto}.auth-footer{color:var(--auth-text-muted);text-align:center;margin-top:20px;font-size:13px}.auth-footer a{color:var(--auth-blue);font-weight:600;text-decoration:none}.auth-footer+.auth-footer{margin-top:8px}.auth-steps{gap:6px;margin-bottom:20px;display:flex}.auth-steps span{background:var(--auth-border);border-radius:999px;flex:1;height:4px}.auth-steps span.done{background:var(--auth-blue)}.auth-kb-row{align-items:flex-start;gap:8px;margin-bottom:8px;display:flex}.auth-kb-row textarea{flex:1}.auth-kb-remove{border:1px solid var(--auth-border);color:var(--auth-text-muted);cursor:pointer;background:0 0;border-radius:8px;flex-shrink:0;padding:8px 12px;font-family:inherit;font-size:13px}.auth-kb-remove:hover{border-color:var(--auth-red);color:var(--auth-red)}.auth-kb-add{border:1px dashed var(--auth-border);color:var(--auth-blue);cursor:pointer;background:0 0;border-radius:8px;margin-bottom:16px;padding:8px 14px;font-family:inherit;font-size:13px}.auth-interval-toggle{gap:8px;margin-bottom:20px;display:flex}.auth-interval-toggle button{border:1px solid var(--auth-border);color:var(--auth-text);cursor:pointer;background:0 0;border-radius:999px;padding:8px 16px;font-family:inherit;font-size:13px;font-weight:600}.auth-interval-toggle button.active{background:var(--auth-blue);border-color:var(--auth-blue);color:#fff}.auth-interval-toggle .save-tag{color:var(--auth-green);margin-left:4px;font-size:10px;font-weight:700}.auth-plan-grid{grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;margin-bottom:8px;display:grid}.auth-plan-card{border:1px solid var(--auth-border);border-radius:12px;flex-direction:column;gap:8px;padding:18px;display:flex;position:relative}.auth-plan-card.popular{border:2px solid var(--auth-blue)}.auth-plan-popular-tag{background:var(--auth-blue);color:#fff;white-space:nowrap;border-radius:999px;padding:3px 10px;font-size:10px;font-weight:600;position:absolute;top:-11px;left:50%;transform:translate(-50%)}.auth-plan-card h3{color:var(--auth-text);margin:0;font-size:15px}.auth-plan-price{color:var(--auth-text);margin:0;font-size:22px;font-weight:700}.auth-plan-price span{color:var(--auth-text-muted);font-size:12px;font-weight:400}.auth-plan-limit{color:var(--auth-text-muted);margin:0;font-size:12px}.auth-plan-card .auth-btn{margin-top:auto;padding:9px 12px;font-size:13px}.auth-terms{color:var(--auth-text-muted);margin-top:16px;font-size:11px}.auth-terms a{color:var(--auth-blue)}