/* Hide on mobile devices */
        @media (max-width: 768px) {
            .mu--ftbn--container {
                display: none !important;
            }
        }

        /* Main container */
        .mu--ftbn--container {
            position: fixed;
            top: 50%;
            right: 20px;
            transform: translateY(-50%);
            z-index: 99999;
            font-family: Arial, sans-serif;
        }

        /* Banner box */
        .mu--ftbn--banner-box {
            /* background: rgba(255, 255, 255, 0.25); */
            /* box-shadow: -2px 0 10px rgba(0, 0, 0, 0.15); */
            /* border-radius: 8px 0 0 8px; */
            padding: 5px;
            min-width: 200px;
            max-width: 300px;
            transition: all 0.3s ease;
            position: relative;
            /* backdrop-filter: blur(12px) saturate(180%);
            border: 1px solid rgba(255,255,255,0.35); */
        }

        .mu--ftbn--banner-box.mu--ftbn--hidden {
            display: none;
        }

        /* Close button */
        .mu--ftbn--close-btn {
            position: absolute;
            top: -20px;
            right: -20px;
            background: url('https://mu-newdawn.playpark.com/wp-content/uploads/2025/07/sm-close.png') no-repeat center center;
            background-size: 51px 51px;
            color: transparent;
            border: none;
            border-radius: 50%;
            width: 51px;
            height: 51px;
            cursor: pointer;
            font-size: 0;
            font-weight: bold;
            line-height: 1;
            z-index: 2;
            transition: background-color 0.2s ease;
            padding: 0;
        }

        .mu--ftbn--close-btn:hover {
            filter: brightness(0.9);
        }

        /* Open button */
        .mu--ftbn--open-btn {
            background: transparent;
            color: white;
            border: none;
            border-radius: 8px 0 0 8px;
            padding: 15px 10px;
            cursor: pointer;
            font-size: 14px;
            font-weight: bold;
            writing-mode: vertical-rl;
            text-orientation: mixed;
            transition: background-color 0.2s ease;
            display: none;
            animation: buttonBounce 1.5s ease-in-out infinite;
        }

        .mu--ftbn--open-btn.mu--ftbn--visible {
            display: block;
        }

        .mu--ftbn--open-btn:hover {
            background: transparent;
        }

        /* Banner items */
        .mu--ftbn--banner-item {
            margin-bottom: 10px;
            display: block;
            transition: transform 0.2s ease;
        }

        .mu--ftbn--banner-item:last-child {
            margin-bottom: 0;
        }

        .mu--ftbn--banner-item:hover {
            transform: scale(1.02);
        }

        .mu--ftbn--banner-item img {
            width: 100%;
            height: auto;
            border-radius: 4px;
            display: block;
        }

        /* Loading state */
        .mu--ftbn--loading {
            text-align: center;
        }

        /* Add keyframes for bounce animation */
        @keyframes buttonBounce {
            0%, 100% {
                transform: translateX(0);
            }
            50% {
                transform: translateX(-5px);
            }
        }