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

.chat-container {
    width: 100%;
    max-width: 400px; /* Maximum width for larger screens */
    height: 80vh; /* Use viewport height for responsiveness */
    max-height: 600px; /* Maximum height cap */
    border: 1px solid #ccc;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    background-color: white;
    display: flex;
    flex-direction: column;
}

.chat-header {
    background-color: #f28c38;
    color: white;
    padding: 10px;
    text-align: center;
    font-size: 20px;
    flex-shrink: 0;
}

.chat-messages {
    flex: 1; /* Allow messages to take available space */
    overflow-y: auto;
    padding: 20px;
    box-sizing: border-box;
}

.bot-message {
    background-color: #fffbe6;
    padding: 10px;
    margin: 10px 0;
    border-radius: 5px;
    max-width: 70%;
    word-wrap: break-word;
}

.user-message {
    background-color: #e1f5fe;
    padding: 10px;
    margin: 10px 0;
    border-radius: 5px;
    max-width: 70%;
    margin-left: auto;
    text-align: right;
    word-wrap: break-word;
}

.chat-input {
    display: flex;
    padding: 10px;
    border-top: 1px solid #ccc;
    flex-shrink: 0;
}

.chat-input input {
    flex: 1;
    padding: 5px;
    border: 1px solid #ccc;
    border-radius: 5px;
    box-sizing: border-box;
}

.chat-input button {
    padding: 5px 10px;
    margin-left: 10px;
    background-color: #f28c38;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.chat-input button:hover {
    background-color: #d8702a;
}

.option-button {
    display: inline-block;
    padding: 10px 20px;
    margin: 5px;
    background-color: #9c27b0;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.option-button.green {
    background-color: #4caf50;
}

.option-button.red {
    background-color: #f44336;
}

.option-button:hover {
    opacity: 0.9;
}