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

        #chatbot-container {
            position: fixed;
            bottom: 20px;
            right: 20px;
            z-index: 9999;
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
        }

        #chat-button {
            background: linear-gradient(135deg, #0692c5, #06A3DA);
            color: white;
            border: none;
            border-radius: 50px;
            padding: 16px 24px;
            cursor: pointer;
            box-shadow: 0 4px 12px rgba(37, 99, 235, 0.4);
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 16px;
            font-weight: 600;
            transition: all 0.3s ease;
        }

        #chat-button:hover {
            transform: scale(1.05);
            box-shadow: 0 6px 16px rgba(37, 99, 235, 0.5);
        }

        #chat-button svg {
            width: 28px;
            height: 28px;
        }

        #chat-window {
            display: none;
            position: fixed;
            bottom: 20px;
            right: 20px;
            width: 400px;
            max-width: calc(100vw - 40px);
            height: 600px;
            max-height: calc(100vh - 40px);
            background: white;
            border-radius: 20px;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
            flex-direction: column;
            overflow: hidden;
            animation: slideUp 0.3s ease;
        }

        @keyframes slideUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        #chat-window.active {
            display: flex;
        }

        .chat-header {
            background: linear-gradient(135deg, #0472bc, #06A3DA);
            color: white;
            padding: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .chat-header-info {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .chat-avatar {
            width: 40px;
            height: 40px;
            background: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #0472bc;
            font-weight: bold;
            font-size: 16px;
        }

        .chat-header-text h3 {
            font-size: 18px;
            margin-bottom: 2px;
        }

        .chat-header-text p {
            font-size: 12px;
            opacity: 0.9;
        }

        .close-btn {
            background: rgba(255, 255, 255, 0.2);
            border: none;
            color: white;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background 0.3s;
        }

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

        #chat-messages {
            flex: 1;
            overflow-y: auto;
            padding: 20px;
            background: #f9fafb;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .message {
            display: flex;
            animation: fadeIn 0.3s ease;
        }

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

        .message.user {
            justify-content: flex-end;
        }

        .message.bot {
            justify-content: flex-start;
        }

        .message-content {
            max-width: 80%;
            padding: 12px 16px;
            border-radius: 18px;
            word-wrap: break-word;
            white-space: pre-line;
        }

        .message.user .message-content {
            background: #0472bc;
            color: white;
            border-bottom-right-radius: 4px;
        }

        .message.bot .message-content {
            background: white;
            color: #1f2937;
            border-bottom-left-radius: 4px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
        }

        .message-time {
            font-size: 11px;
            margin-top: 4px;
            opacity: 0.7;
        }

        .typing-indicator {
            display: none;
            background: white;
            padding: 12px 16px;
            border-radius: 18px;
            border-bottom-left-radius: 4px;
            width: fit-content;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
        }

        .typing-indicator.active {
            display: block;
            animation: fadeIn 0.3s ease;
        }

        .typing-dots {
            display: flex;
            gap: 4px;
        }

        .typing-dot {
            width: 8px;
            height: 8px;
            background: #9ca3af;
            border-radius: 50%;
            animation: bounce 1.4s infinite ease-in-out;
        }

        .typing-dot:nth-child(1) {
            animation-delay: -0.32s;
        }

        .typing-dot:nth-child(2) {
            animation-delay: -0.16s;
        }

        @keyframes bounce {
            0%, 80%, 100% {
                transform: scale(0);
            }
            40% {
                transform: scale(1);
            }
        }

        .quick-options {
            padding: 16px;
            background: #f9fafb;
            border-top: 1px solid #e5e7eb;
        }

        .quick-options p {
            font-size: 12px;
            color: #6b7280;
            margin-bottom: 8px;
            font-weight: 600;
        }

        .quick-options-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .quick-option-btn {
            background: white;
            border: 1px solid #0472bc;
            color: #0472bc;
            padding: 8px 12px;
            border-radius: 20px;
            font-size: 12px;
            cursor: pointer;
            transition: all 0.3s;
        }

        .quick-option-btn:hover {
            background: #eff6ff;
        }

        .chat-input-container {
            padding: 16px;
            background: white;
            border-top: 1px solid #e5e7eb;
            display: flex;
            gap: 8px;
        }

        #chat-input {
            flex: 1;
            padding: 12px 16px;
            border: 1px solid #d1d5db;
            border-radius: 24px;
            font-size: 14px;
            outline: none;
            transition: border 0.3s;
        }

        #chat-input:focus {
            border-color: #0472bc;
        }

        #send-btn {
            background: #0472bc;
            color: white;
            border: none;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background 0.3s;
        }

        #send-btn:hover {
            background: #1c2f61;
        }

        #send-btn:disabled {
            background: #9ca3af;
            cursor: not-allowed;
        }

        @media (max-width: 480px) {
            #chat-window {
                width: calc(100vw - 20px);
                height: calc(100vh - 20px);
                bottom: 10px;
                right: 10px;
            }

            #chat-button span {
                display: none;
            }
        }