body {
    font-family: Arial, sans-serif;
    background: #f0f2f5;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.chat-container {
    width: 400px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.chat-container h2 {
    background: #007bff;
    color: white;
    padding: 15px;
    margin: 0;
    text-align: center;
}

.chatbox {
    flex: 1;
    padding: 15px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.message {
    max-width: 75%;
    padding: 10px 15px;
    border-radius: 15px;
    word-wrap: break-word;
}

.user {
    align-self: flex-end;
    background: #007bff;
    color: white;
    border-bottom-right-radius: 5px;
}

.bot {
    align-self: flex-start;
    background: #e4e6eb;
    color: black;
    border-bottom-left-radius: 5px;
}

.input-area {
    display: flex;
    padding: 10px;
    border-top: 1px solid #ddd;
    background: #fafafa;
}

.input-area input {
    flex: 1;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 8px;
    outline: none;
    margin-right: 10px;
}

.input-area button {
    padding: 10px 15px;
    border: none;
    border-radius: 8px;
    background: #007bff;
    color: white;
    cursor: pointer;
}

.input-area button:hover {
    background: #0056b3;
}