body {
            font-family: Arial, sans-serif;
            margin: 0;
            padding: 0;
            background-color: #f5f5f5;
            overflow-x: hidden;
            overflow-y: auto;
        }
        .centered-div {
            width: 100%;
            max-width: 400px;
            margin: 0 auto;
            padding: 20px;
            color: #6c6d75;
            text-align: left;
        }
        .circled-list {
            list-style-type: none;
            counter-reset: item;
            padding-left: 0;
        }
        .circled-list li {
            counter-increment: item;
            margin-bottom: 10px;
            position: relative;
            padding-left: 40px;
        }
        .circled-list li:before {
            content: counter(item);
            background: #1ca4ed;
            color: white;
            font-weight: bold;
            border-radius: 50%;
            width: 26px;
            height: 26px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            position: absolute;
            left: 0;
            top: 0;
        }
        
        /* Tombol Scroll to Top - revised */
        #scrollToTopBtn {
            position: fixed;
            bottom: 20px;
            right: 20px;
            background-color: #4285F4;
            color: white;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s ease;
            z-index: 9999;
            box-shadow: 0 2px 5px rgba(0,0,0,0.2);
            border: none;
        }
        
        #scrollToTopBtn:hover {
            background-color: #3367D6;
        }
        
        #scrollToTopBtn.hidden {
            opacity: 0;
            visibility: hidden;
        }
        
        /* Penyesuaian untuk perangkat mobile */
        @media (max-width: 768px) {
            #scrollToTopBtn {
                bottom: 80px; /* Pastikan tidak tertutup oleh chat input di mobile */
            }
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
            padding: 0;
        }
        #send-button {
            background-color: #4285F4;
            color: white;
            border-radius: 50%;
            width: 50px;
            height: 50px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background-color 0.3s;
        }
        #send-button:hover {
            background-color: #3367D6;
        }
        #upgrade-button {
            background-color: #ff9800;
            color: white;
            border-radius: 50%;
            width: 50px;
            height: 50px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background-color 0.3s;
        }
        #upgrade-button:hover {
            background-color: #e68a00;
        }
        
      /* Modal Styles */
        .modal {
            display: none;
            position: fixed;
            z-index: 1000;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.5);
            overflow: auto;
        }
        .modal-content {
            background-color: #fefefe;
            margin: 10% auto;
            padding: 0;
            width: 80%;
            max-width: 350px;
            border-radius: 8px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
            animation: modalopen 0.4s;
        }
        @keyframes modalopen {
            from {opacity: 0; transform: translateY(-60px);}
            to {opacity: 1; transform: translateY(0);}
        }
        .modal-header {
            padding: 16px;
            background-color: #4285F4;
            color: white;
            border-top-left-radius: 8px;
            border-top-right-radius: 8px;
            position: relative;
        }
        .modal-header h2 {
            margin: 0;
            font-size: 18px;
        }
        .close {
            position: absolute;
            right: 20px;
            top: 20px;
            color: white;
            font-size: 24px;
            font-weight: bold;
            cursor: pointer;
        }
        .modal-body {
            padding: 16px;
        }
        .pricing-box {
            border: 1px solid #e0e0e0;
            border-radius: 6px;
            padding: 16px;
            text-align: center;
            margin-bottom: 16px;
            background-color: #f9f9f9;
        }
        .pricing-title {
            font-size: 24px;
            margin-bottom: 4px;
            color: #333;
        }
        .pricing-price {
            font-size: 32px;
            color: #4285F4;
            margin-bottom: 14px;
            font-weight: bold;
        }
        .pricing-period {
            font-size: 14px;
            color: #666;
        }
        .feature-list {
            list-style-type: none;
            padding: 0;
            margin: 20px 0;
            text-align: left;
        }
        .feature-list li {
            padding: 4px 0;
            display: flex;
            align-items: center;
        }
        .feature-list li i {
            color: #4CAF50;
            margin-right: 10px;
        }
        .upgrade-now-btn {
            background-color: #4285F4;
            color: white;
            border: none;
            padding: 12px 24px;
            font-size: 16px;
            font-weight: bold;
            border-radius: 4px;
            cursor: pointer;
            transition: background-color 0.3s;
            width: 100%;
        }
        .upgrade-now-btn:hover {
            background-color: #3367D6;
        }
        
        /* Login Button Styles */
        .login-button {
            position: fixed;
            top: 15px;
            right: 15px;
            background-color: #4285F4;
            color: white;
            padding: 8px 20px;
            border-radius: 5px;
            xfont-weight: bold;
            text-decoration: none;
            z-index: 1000;
            box-shadow: 0 2px 5px rgba(0,0,0,0.2);
            border: none;
            cursor: pointer;
            font-size: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .login-button i {
            margin-right: 6px;
        }
        
        .login-button:hover {
            background-color: #3367D6;
        }
        
        /* Make the login button responsive */
        @media (max-width: 768px) {
            .login-button {
                padding: 6px 15px;
                font-size: 12px;
                top: 10px;
                right: 10px;
            }
            
            .chat-input-container {
                position: fixed;
                bottom: 0;
                left: 0;
                right: 0;
                background-color: white;
                padding: 10px;
                box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
                z-index: 100;
                display: block !important; /* Force display */
            }
            
            .chat-messages {
                padding-bottom: 80px; /* Space for the input box */
            }
            
            /* Ensure there's enough space at the bottom */
            body {
                padding-bottom: 60px;
            }
        }