body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
}

.chat-container {
    display: flex;
    height: 100vh;
}

.input-container {
    display: flex;
    flex-direction: column;
    width: 50%;
    padding: 20px;
}

.messages-container {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
}

.input-section {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    margin-bottom: 20px;
    flex: 1; 
}

textarea {
    resize: none;
    width: 100%;
    height: 70%; 
    padding: 10px;
    font-size: 16px;
    box-sizing: border-box;
}

button {
    width: 100%;
    padding: 10px;
    font-size: 16px;
    cursor: pointer;
    margin-bottom: 20px; 
}

.user {
    color: blue;
    margin-bottom: 10px;
    word-wrap: break-word;
}

.service {
    color: red;
    margin-bottom: 10px;
    word-wrap: break-word;
}

.bot {
    color: green;
    margin-bottom: 10px;
    word-wrap: break-word;
}

.progress-bar {
    width: 100%;
    height: 4px;
    background-color: #f3f3f3;
    position: relative;
    overflow: hidden;
}

.progress-bar::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background-color: #4CAF50;
    animation: loading 2s linear infinite;
}

@keyframes loading {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}