body {
    margin: 0;
    font-family: Arial;
    background: #0f1117;
    color: white;
}

.chat-container {
    width: 60%;
    margin: auto;
    margin-top: 30px;
    background: #1a1d24;
    border-radius: 10px;
    overflow: hidden;
}

.chat-header {
    background: #11131a;
    padding: 15px;
    text-align: center;
}

.chat-box {
    height: 400px;
    overflow-y: auto;
    padding: 10px;
}

.message {
    padding: 10px;
    margin: 5px;
    border-radius: 8px;
    max-width: 70%;
}

.user {
    background: #4a90e2;
    margin-left: auto;
    text-align: right;
}

.bot {
    background: #2c2f3a;
    margin-right: auto;
}

.input-area {
    display: flex;
    padding: 10px;
    background: #11131a;
}

textarea {
    flex: 1;
    padding: 10px;
    resize: none;
}

button {
    padding: 10px;
    margin-left: 10px;
    background: #4a90e2;
    color: white;
    border: none;
    cursor: pointer;
}