:root{--brand:#0d9488;--brand-dark:#0f766e;--brand-light:#99f6e4;--brand-bg:#f0fdfa;--text:#0f172a;--text-muted:#64748b;--bg:#fff;--bg-subtle:#f8fafc;--border:#e2e8f0;--error:#dc2626;--error-bg:#fef2f2;--success:#16a34a;--success-bg:#f0fdf4;--warning:#d97706;--warning-bg:#fffbeb;--radius:12px;--shadow:0 1px 3px rgba(0,0,0,.08),0 1px 2px rgba(0,0,0,.04);--shadow-lg:0 10px 25px rgba(0,0,0,.08)}*,:after,:before{box-sizing:border-box;margin:0;padding:0}body,html{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;color:var(--text);background:var(--bg-subtle);line-height:1.5;-webkit-font-smoothing:antialiased}.page-container{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px}.page-card{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:40px;max-width:480px;width:100%}.page-card--wide{max-width:640px}.page-logo{font-size:14px;color:var(--brand);letter-spacing:.08em;text-transform:uppercase}.page-logo,.page-title{font-weight:700;margin-bottom:8px}.page-title{font-size:24px;color:var(--text);line-height:1.2}.page-subtitle{font-size:15px;color:var(--text-muted);margin-bottom:28px;line-height:1.5}.input-group{margin-bottom:20px}.input-label{display:block;font-size:13px;font-weight:600;color:var(--text);margin-bottom:6px}.input-field{width:100%;padding:12px 16px;font-size:16px;font-family:SF Mono,Fira Code,monospace;letter-spacing:.06em;border:1.5px solid var(--border);border-radius:8px;background:var(--bg);color:var(--text);transition:border-color .15s,box-shadow .15s;text-transform:uppercase}.input-field:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(13,148,136,.15)}.input-field.error{border-color:var(--error);box-shadow:0 0 0 3px rgba(220,38,38,.1)}.input-hint{font-size:12px;color:var(--text-muted);margin-top:6px}.input-error{font-size:13px;color:var(--error);margin-top:6px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;font-size:15px;font-weight:600;border:none;border-radius:8px;cursor:pointer;transition:all .15s;text-decoration:none;line-height:1}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--brand);color:#fff}.btn-primary:hover:not(:disabled){background:var(--brand-dark)}.btn-secondary{background:var(--bg);color:var(--text);border:1.5px solid var(--border)}.btn-secondary:hover:not(:disabled){background:var(--bg-subtle);border-color:#cbd5e1}.btn-success{background:var(--success);color:#fff}.btn-success:hover:not(:disabled){background:#15803d}.btn-full{width:100%}.btn-group{display:flex;gap:12px;margin-top:20px}.btn-group--stacked{flex-direction:column}.alert{padding:14px 16px;border-radius:8px;font-size:14px;line-height:1.5;margin-bottom:20px}.alert-error{background:var(--error-bg);color:var(--error);border:1px solid #fecaca}.alert-success{background:var(--success-bg);color:var(--success);border:1px solid #bbf7d0}.alert-warning{background:var(--warning-bg);color:var(--warning);border:1px solid #fde68a}.code-display{background:var(--bg-subtle);border:2px dashed var(--brand);border-radius:var(--radius);padding:24px;text-align:center;margin:24px 0}.code-display .code-value{font-family:SF Mono,Fira Code,monospace;font-size:22px;font-weight:700;color:var(--brand-dark);letter-spacing:.08em;word-break:break-all}.code-display .code-label{font-size:12px;color:var(--text-muted);margin-top:8px}.compliance-box{background:var(--brand-bg);border:1px solid var(--brand-light);border-radius:var(--radius);padding:24px;margin-bottom:24px}.compliance-box h3{font-size:16px;font-weight:600;color:var(--brand-dark);margin-bottom:12px}.compliance-box ul{list-style:none;padding:0}.compliance-box li{font-size:14px;color:var(--text);padding:6px 0 6px 20px;position:relative}.compliance-box li:before{content:"→";position:absolute;left:0;color:var(--brand);font-weight:600}.checkbox-row{display:flex;align-items:flex-start;gap:10px;margin-top:24px;cursor:pointer}.checkbox-row input[type=checkbox]{width:18px;height:18px;margin-top:2px;accent-color:var(--brand);cursor:pointer;flex-shrink:0}.checkbox-row label{font-size:14px;color:var(--text);line-height:1.5;cursor:pointer}.fca-disclaimer{position:fixed;bottom:0;left:0;right:0;background:var(--bg-subtle);border-top:1px solid var(--border);padding:8px 20px;text-align:center;z-index:100}.fca-disclaimer p{font-size:11px;color:var(--text-muted);margin:0}.upgrade-prompt{background:linear-gradient(135deg,var(--brand-bg) 0,#ecfdf5 100%);border:1px solid var(--brand-light);border-radius:var(--radius);padding:20px;text-align:center}.upgrade-prompt p{font-size:14px;color:var(--text);margin-bottom:12px}.spinner{display:inline-block;width:18px;height:18px;border:2px solid hsla(0,0%,100%,.3);border-top-color:#fff;border-radius:50%;animation:spin .6s linear infinite}.spinner--dark{border-color:rgba(13,148,136,.2);border-top-color:var(--brand)}@keyframes spin{to{transform:rotate(1turn)}}@media (max-width:520px){.page-card{padding:28px 20px}.page-title{font-size:20px}.btn-group:not(.btn-group--stacked){flex-direction:column}.code-display .code-value{font-size:18px}}