*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:Manrope,system-ui,-apple-system,sans-serif;background:#f3f4f6;color:#111827;-webkit-font-smoothing:antialiased;min-height:100dvh}.loyalty-app{min-height:100dvh;display:flex;flex-direction:column}.container{max-width:480px;margin:0 auto;padding:24px 16px;width:100%}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:12px;font-weight:600;font-size:1rem;cursor:pointer;border:none;transition:all .15s;width:100%}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:#0d9488;color:#fff}.btn-primary:hover:not(:disabled){background:#0f766e}.form-group{margin-bottom:16px}.form-label{display:block;font-size:.85rem;font-weight:600;color:#374151;margin-bottom:4px}.form-input{width:100%;padding:10px 14px;border:1px solid #d1d5db;border-radius:10px;font-size:1rem;font-family:inherit;transition:border-color .15s;background:#fff}.form-input:focus{outline:none;border-color:#0d9488;box-shadow:0 0 0 3px #0d94881a}.form-hint{font-size:.75rem;color:#9ca3af;margin-top:2px}.checkbox-group{display:flex;align-items:flex-start;gap:8px}.checkbox-group input[type=checkbox]{margin-top:3px;accent-color:#0d9488}.checkbox-group label{font-size:.85rem;color:#6b7280}.alert{padding:12px 16px;border-radius:10px;font-size:.9rem;margin-bottom:16px}.alert-error{background:#fef2f2;color:#dc2626;border:1px solid #fecaca}.alert-success{background:#f0fdf4;color:#16a34a;border:1px solid #bbf7d0}.spinner{width:20px;height:20px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .6s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}