body {
    font-family: Arial, sans-serif;
    background: #f1f1f1;
}

.chat-container {
    width: 100%;
    max-width: 350px;
    height: 400px;
    border: 1px solid #ccc;
    background: white;
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.chat-box {
    flex-grow: 1;
    padding: 10px;
    overflow-y: auto;
    border-bottom: 1px solid #ccc;
}

.input-container {
    display: flex;
    padding: 10px;
    background: #eee;
}

input {
    flex: 1;
    padding: 8px;
    border: none;
    border-radius: 5px;
}

button {
    padding: 8px 12px;
    background: blue;
    color: white;
    border: none;
    cursor: pointer;
    border-radius: 5px;
    margin-left: 5px;
}

button:hover {
    background: darkblue;
}