/* Member Popup */
        .member-popup-card {
            background: white;
            border-radius: var(--radius-xl);
            width: 100%;
            max-width: 380px;
            max-height: 90vh;
            overflow: hidden;
            opacity: 0;
            transform: scale(0.3) translateY(60px);
            z-index: var(--z-modal-top);
            box-shadow: var(--shadow-xl);
            position: relative;
        }

        .modal-overlay.open .member-popup-card {
            animation: modalBounceIn 0.9s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
        }

        .member-popup-view {
            display: none;
            flex-direction: column;
            align-items: center;
            padding: 32px 24px;
            text-align: center;
        }

        .member-popup-view.active {
            display: flex;
        }

        .member-popup-illustration {
            width: 88px;
            height: 88px;
            border-radius: var(--radius-full);
            background: var(--accent-light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
        }

        .member-popup-title {
            font-size: 22px;
            font-weight: 800;
            color: var(--gray-900);
            margin-bottom: 6px;
            line-height: 1.3;
        }

        .member-popup-subtitle {
            font-size: 14px;
            color: var(--gray-500);
            margin-bottom: 24px;
            line-height: 1.5;
        }

        .member-popup-buttons {
            width: 100%;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .member-popup-form {
            width: 100%;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .member-popup-form .form-input {
            text-align: center;
        }

        .member-popup-error {
            font-size: 13px;
            color: var(--danger);
            min-height: 18px;
            text-align: center;
        }

        .member-popup-back {
            position: absolute;
            top: 16px;
            left: 16px;
            width: 44px;
            height: 44px;
            background: var(--gray-100);
            border: none;
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            color: var(--gray-600);
            transition: all var(--transition);
            z-index: 2;
        }

        .member-popup-back:hover {
            background: var(--gray-200);
        }

        .member-popup-close {
            position: absolute;
            top: 16px;
            right: 16px;
            width: 44px;
            height: 44px;
            background: var(--gray-100);
            border: none;
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            color: var(--gray-600);
            transition: all var(--transition);
            z-index: 2;
        }

        .member-popup-close:hover {
            background: var(--gray-200);
        }

        @keyframes modalBounceIn {
            0% {
                opacity: 0;
                transform: scale(0.3) translateY(60px);
                filter: blur(8px);
            }
            30% {
                opacity: 1;
                transform: scale(1.12) translateY(-14px);
                filter: blur(2px);
            }
            50% {
                transform: scale(0.94) translateY(5px);
                filter: blur(0px);
            }
            70% {
                transform: scale(1.04) translateY(-4px);
            }
            85% {
                transform: scale(0.98) translateY(1px);
            }
            100% {
                opacity: 1;
                transform: scale(1) translateY(0);
                filter: blur(0px);
            }
        }

        /* Registration Success Screen */
        .registration-success-overlay {
            position: fixed;
            inset: 0;
            background: #ffffff;
            z-index: var(--z-dropdown);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            padding: 24px;
            text-align: center;
        }

        .registration-success-content {
            display: flex;
            flex-direction: column;
            align-items: center;
            max-width: 360px;
            width: 100%;
        }

        .registration-success-icon {
            width: 80px;
            height: 80px;
            background: #e8f5e9;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 24px;
        }

        .registration-success-icon i {
            color: #2e7d32;
            width: 40px;
            height: 40px;
            stroke-width: 3;
        }

        .registration-success-title {
            font-size: 24px;
            font-weight: 800;
            color: #1f2937;
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .registration-success-message {
            font-size: 15px;
            color: #6b7280;
            line-height: 1.6;
            margin-bottom: 32px;
        }

        .registration-success-message #registration-success-shop-name {
            font-weight: 600;
            color: #374151;
        }

        .registration-success-btn {
            width: 100%;
            max-width: 320px;
            padding: 14px 24px;
            background: var(--nav-color);
            color: #ffffff;
            border: none;
            border-radius: var(--radius-lg);
            font-size: 16px;
            font-weight: 700;
            cursor: pointer;
            transition: all var(--transition);
        }

        .registration-success-btn:hover {
            background: #1e3323;
            transform: translateY(-1px);
        }

        .registration-success-btn:active {
            transform: translateY(0);
        }

        @media (max-width: 480px) {
            .member-popup-card {
                max-width: 92vw;
            }

            .member-popup-view {
                padding: 28px 20px;
            }

            .member-popup-title {
                font-size: 20px;
            }
        }

        .floating-cart-item {
            position: fixed;
            z-index: var(--z-overlay-low);
            pointer-events: none;
            border-radius: 50%;
            object-fit: cover;
            box-shadow: 0 4px 12px rgba(0,0,0,0.2);
        }