* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            background: transparent;
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Poppins', Roboto, sans-serif;
            overflow: hidden;
        }

        /* Floating Button */
        .widget-button {
            position: fixed;
            bottom: 24px;
            right: 24px;
            width: 64px;
            height: 64px;
            background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
            border-radius: 50%;
            cursor: pointer;
            box-shadow: 0 8px 24px rgba(37, 211, 102, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 9999;
            transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
            border: none;
            animation: float 2s ease-in-out infinite;
        }

        @keyframes float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-8px); }
        }

        .widget-button:hover {
            transform: scale(1.12) rotate(5deg);
            box-shadow: 0 12px 32px rgba(37, 211, 102, 0.4);
        }

        .widget-button img {
            width: 36px;
            height: 36px;
        }

        /* Ripple Effect */
        .ripple {
            position: absolute;
            width: 100%;
            height: 100%;
            border-radius: 50%;
            background: #48b2db;
            background: linear-gradient(90deg, rgba(72, 178, 219, 1) 0%, rgba(87, 199, 133, 1) 50%, rgba(68, 230, 28, 1) 46%, rgba(237, 221, 83, 1) 100%);
            animation: ripple 1.5s ease-out infinite;
        }

        @keyframes ripple {
            0% {
                transform: scale(1);
                opacity: 0.6;
            }
            100% {
                transform: scale(1.8);
                opacity: 0;
            }
        }

        /* Chat Popup */
        .chat-popup {
            position: fixed;
            bottom: 100px;
            right: 24px;
            width: 380px;
            background: white;
            border-radius: 20px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2), 0 0 0 1px rgba(0, 0, 0, 0.05);
            display: none;
            z-index: 9998;
            overflow: hidden;
            animation: slideUp 0.4s cubic-bezier(0.34, 1.2, 0.64, 1);
        }

        .chat-popup.show {
            display: block;
        }

        @keyframes slideUp {
            from {
                opacity: 0;
                transform: translateY(30px) scale(0.95);
            }
            to {
                opacity: 1;
                transform: translateY(0) scale(1);
            }
        }

        /* Header */
        .chat-header {
            background: linear-gradient(135deg, #075E54 0%, #0a6b5e 100%);
            color: white;
            padding: 20px;
            position: relative;
        }

        .header-content {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .avatar {
            width: 52px;
            height: 52px;
            background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.2);
        }

        .info h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 4px;
        }

        .status {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            opacity: 0.9;
        }

        .status-dot {
            width: 8px;
            height: 8px;
            background: #25D366;
            border-radius: 50%;
            animation: pulse 1.5s ease-in-out infinite;
        }

        @keyframes pulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.5; }
        }

        .close-btn {
            position: absolute;
            top: 20px;
            right: 20px;
            width: 30px;
            height: 30px;
            background: rgba(255,255,255,0.2);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: background 0.2s;
            font-size: 20px;
        }

        .close-btn:hover {
            background: rgba(255,255,255,0.3);
        }

        /* Body */
        .chat-body {
            padding: 24px;
            background: #f8f9fa;
        }

        /* Welcome Message Bubble */
        .welcome-bubble {
            background: white;
            border-radius: 16px;
            padding: 16px;
            margin-bottom: 20px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.05);
            position: relative;
            animation: fadeIn 0.5s ease;
        }

        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .welcome-icon {
            font-size: 32px;
            margin-bottom: 10px;
        }

        .welcome-bubble p {
            color: #333;
            line-height: 1.6;
            font-size: 14px;
        }

        .welcome-bubble::before {
            content: '';
            position: absolute;
            top: -8px;
            left: 20px;
            width: 16px;
            height: 16px;
            background: white;
            transform: rotate(45deg);
            box-shadow: -2px -2px 4px rgba(0,0,0,0.02);
        }

        /* Quick Reply Buttons */
        .quick-replies {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }

        .quick-reply {
            background: white;
            border: 1px solid #e0e0e0;
            padding: 8px 16px;
            border-radius: 24px;
            font-size: 12px;
            cursor: pointer;
            transition: all 0.2s;
            color: #075E54;
            font-weight: 500;
        }

        .quick-reply:hover {
            background: #25D366;
            border-color: #25D366;
            color: white;
            transform: translateY(-2px);
        }

        /* Input Area */
        .input-group {
            display: flex;
            gap: 12px;
            align-items: center;
            background: white;
            border-radius: 50px;
            padding: 4px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.05);
        }

        .input-group input {
            flex: 1;
            padding: 14px 18px;
            border: none;
            border-radius: 50px;
            font-size: 14px;
            outline: none;
            background: transparent;
        }

        .input-group input::placeholder {
            color: #999;
        }

        .send-button {
            width: 44px;
            height: 44px;
            background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
            border: none;
            border-radius: 50%;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.2s;
        }

        .send-button:hover {
            transform: scale(1.05);
        }

        .send-button svg {
            width: 20px;
            height: 20px;
            fill: white;
        }

        /* Footer */
        .chat-footer {
            padding: 12px 24px;
            background: white;
            border-top: 1px solid #f0f0f0;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 11px;
            color: #999;
        }

        /* Responsive */
        @media (max-width: 480px) {
            .chat-popup {
                width: calc(100vw - 40px);
                right: 20px;
                left: 20px;
                bottom: 90px;
            }
            
            .widget-button {
                width: 56px;
                height: 56px;
                bottom: 20px;
                right: 20px;
            }
            
            .widget-button img {
                width: 30px;
                height: 30px;
            }
        }