 * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: system-ui, -apple-system, sans-serif;
        }
        body {
            background: #e6f2ff;
            height: 100vh;
            display: flex;
            flex-direction: column;
        }
        .top-bar {
            background: #222;
            padding: 14px 18px;
        }
        .top-bar .title {
            font-size: 22px;
            font-weight: bold;
            color: #a8d8ff;
        }
        .chat-container {
            flex: 1;
            overflow-y: auto;
            padding: 15px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .message {
            display: flex;
            gap: 10px;
            max-width: 92%;
        }
        .message.ai {
            align-self: flex-start;
        }
        .message.user {
            align-self: flex-end;
            flex-direction: row-reverse;
        }
        .avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            object-fit: cover;
            flex-shrink: 0;
        }
        .bubble {
            padding: 9px 13px;
            border-radius: 15px;
            line-height: 1.5;
            font-size: 15px;
            max-width: 85%;
        }
        .message.ai .bubble {
            background: #4096ff;
            color: #fff;
        }
        .message.user .bubble {
            background: #ffffff;
            color: #333;
        }
        .input-area {
            display: flex;
            align-items: center;
            padding: 12px 15px;
            background: #fff;
            border-top: 1px solid #eee;
        }
        #input {
            flex: 1;
            border: none;
            outline: none;
            padding: 10px 16px;
            font-size: 15px;
            background: #f0f6ff;
            border-radius: 8px;
        }
        #send-btn {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: none;
            background: transparent;
            cursor: pointer;
            margin-left: 10px;
            padding: 0;
        }
        #send-btn img {
            width: 100%;
            height: 100%;
            object-fit: contain;
            border-radius: 50%;
        }
        .chat-container::-webkit-scrollbar {
            width: 5px;
        }
        .chat-container::-webkit-scrollbar-thumb {
            background: #b3c8e8;
            border-radius: 3px;
        }
		body {
		  background-color: #d1e7f5;
		  margin: 0;
		  padding: 0;
		  min-height: 100vh;
		}