static/styles.css

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;
    margin: 10px; /* Add margin for better spacing on mobile */
}

.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: 15px; /* Reduced padding for mobile */
    box-sizing: border-box;
}

.bot-message {
    background-color: #fffbe6;
    padding: 10px;
    margin: 10px 0;
    border-radius: 5px;
    max-width: 70%;
    word-wrap: break-word;
    font-size: 14px; /* Smaller font for mobile */
}

.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;
    font-size: 14px; /* Smaller font for mobile */
}

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

.chat-input input {
    flex: 1;
    padding: 8px; /* Slightly larger padding for better touch targets on mobile */
    border: 1px solid #ccc;
    border-radius: 5px;
    box-sizing: border-box;
    font-size: 14px; /* Smaller font for mobile */
    min-height: 40px; /* Ensure input is tappable on mobile */
}

.chat-input button {
    padding: 8px 15px; /* Larger padding for better touch targets on mobile */
    margin-left: 10px;
    background-color: #f28c38;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
    font-size: 14px; /* Smaller font for mobile */
    min-height: 40px; /* Ensure button is tappable on mobile */
}

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

.option-button {
    display: inline-block;
    padding: 10px 15px; /* Adjusted padding for mobile */
    margin: 5px;
    background-color: #9c27b0;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
    font-size: 14px; /* Smaller font for mobile */
    min-width: 100px; /* Minimum width for readability */
    text-align: center;
}

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

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

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

/* Media Queries for Responsiveness */
@media (max-width: 768px) {
    .chat-container {
        max-width: 100%; /* Full width on mobile */
        height: 90vh; /* Use more of the viewport on mobile */
        margin: 5px; /* Reduced margin on mobile */
    }

    .chat-header {
        font-size: 18px; /* Slightly smaller header on mobile */
    }

    .chat-messages {
        padding: 10px; /* Further reduced padding for mobile */
    }

    .chat-input input,
    .chat-input button {
        padding: 6px; /* Smaller padding on mobile */
        font-size: 12px; /* Even smaller font on mobile */
        min-height: 35px; /* Adjusted for mobile touch */
    }

    .option-button {
        padding: 8px 12px; /* Smaller padding for option buttons */
        font-size: 12px; /* Smaller font for option buttons */
        min-width: 90px; /* Adjusted minimum width */
    }
}

@media (min-width: 769px) {
    .chat-container {
        margin: 20px; /* Increased margin on larger screens */
    }

    .chat-header {
        font-size: 22px; /* Slightly larger header on desktop */
    }

    .bot-message,
    .user-message {
        font-size: 16px; /* Larger font for desktop */
    }

    .chat-input input,
    .chat-input button {
        font-size: 16px; /* Larger font for desktop */
        min-height: 45px; /* Adjusted for desktop */
    }

    .option-button {
        font-size: 16px; /* Larger font for desktop */
        min-width: 120px; /* Adjusted minimum width */
    }
}