body {
    font-family: sans-serif;
    background-color: #f3e8ff;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
}

.chat-container {
    background: white;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 500px;
    display: flex;
    flex-direction: column;
}

.chat-output {
    flex-grow: 1;
    overflow-y: auto;
    margin-bottom: 10px;
    max-height: 300px;
}

#chat-input {
    resize: none;
    overflow-y: auto;
    max-height: 120px;
    min-height: 40px;
    height: auto;
    font-size: 16px;
    line-height: 1.6;
    padding: 10px;
    border-radius: 8px;
    border: 1px solid #ccc;
    width: 100%;
    transition: all 0.2s ease;
}