html{font-size:18px}body{margin:0;background:#f4f6f9;color:#1d2430;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;-webkit-font-smoothing:antialiased}#customer-portal-app .unified-input,#customer-portal-app .unified-select{font-size:1.1rem;padding:12px 14px}#customer-portal-app .unified-btn{font-size:1.1rem;padding:12px 20px}:root{--primary-color: #3B82F6;--primary-hover: #2563EB;--success-color: #10B981;--error-color: #EF4444;--warning-color: #F59E0B;--border-radius: 8px;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1)}.portal-card{background:#fff;border-radius:var(--border-radius);box-shadow:var(--shadow-md);padding:1.5rem;margin-bottom:1.5rem}.portal-card-header{font-size:1.25rem;font-weight:600;color:#111827;margin-bottom:1rem}.payment-form{max-width:500px;margin:0 auto}.form-group{margin-bottom:1.5rem}.form-label{display:block;font-size:.875rem;font-weight:500;color:#374151;margin-bottom:.5rem}.form-input{width:100%;padding:.75rem;border:1px solid #D1D5DB;border-radius:var(--border-radius);font-size:1rem;transition:border-color .2s}.form-input:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #3b82f61a}.form-input-error{border-color:var(--error-color)}.form-error{color:var(--error-color);font-size:.875rem;margin-top:.25rem}.btn-primary{background-color:var(--primary-color);color:#fff;padding:.75rem 1.5rem;border-radius:var(--border-radius);font-weight:600;border:none;cursor:pointer;width:100%;font-size:1rem;transition:background-color .2s}.btn-primary:hover:not(:disabled){background-color:var(--primary-hover)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-secondary{background-color:#fff;color:#374151;padding:.75rem 1.5rem;border-radius:var(--border-radius);font-weight:600;border:1px solid #D1D5DB;cursor:pointer;width:100%;font-size:1rem;transition:all .2s}.btn-secondary:hover:not(:disabled){background-color:#f9fafb;border-color:#9ca3af}.fee-breakdown{background-color:#f9fafb;border-radius:var(--border-radius);padding:1rem;margin:1rem 0}.fee-row{display:flex;justify-content:space-between;padding:.5rem 0;font-size:.875rem}.fee-row-total{font-weight:600;font-size:1.125rem;border-top:2px solid #E5E7EB;padding-top:.75rem;margin-top:.75rem}.payment-methods{display:grid;grid-template-columns:1fr;gap:1rem;margin-bottom:1.5rem}@media (min-width: 640px){.payment-methods{grid-template-columns:repeat(2,1fr)}}.payment-method{border:2px solid #E5E7EB;border-radius:var(--border-radius);padding:1rem;cursor:pointer;transition:all .2s;text-align:center}.payment-method:hover{border-color:var(--primary-color);background-color:#eff6ff}.payment-method.selected{border-color:var(--primary-color);background-color:#dbeafe}.payment-method-icon{font-size:2rem;margin-bottom:.5rem}.payment-method-name{font-weight:600;color:#111827}.payment-method-fee{font-size:.875rem;color:#6b7280;margin-top:.25rem}.loading-spinner{display:inline-block;width:1.5rem;height:1.5rem;border:3px solid rgba(255,255,255,.3);border-radius:50%;border-top-color:#fff;animation:spin .6s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.alert{padding:1rem;border-radius:var(--border-radius);margin-bottom:1rem}.alert-success{background-color:#d1fae5;border:1px solid #10B981;color:#065f46}.alert-error{background-color:#fee2e2;border:1px solid #EF4444;color:#991b1b}.alert-info{background-color:#dbeafe;border:1px solid #3B82F6;color:#1e40af}.security-badge{display:flex;align-items:center;justify-content:center;padding:1rem;background-color:#f9fafb;border-radius:var(--border-radius);margin-top:2rem;font-size:.875rem;color:#6b7280}.security-icon{width:1.25rem;height:1.25rem;margin-right:.5rem;color:#10b981}@media (max-width: 640px){.portal-card{padding:1rem}.payment-form{padding:0}}