style.css

/* style.css content here */
body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    color: #333;
}

.container {
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    width: 90%;
    max-width: 600px;
    padding: 20px;
    display: flex;
    flex-direction: column;
}

header {
    text-align: center;
    margin-bottom: 20px;
}

h1 {
    margin: 0;
    font-size: 1.5em;
}

p {
    margin: 5px 0 0;
    color: #666;
}

.chat-container {
    flex: 1;
    overflow-y: auto;
    border: 1px solid #ddd;
    border-radius: 4px;
    padding: 10px;
    margin-bottom: 10px;
    background: #fafafa;
    max-height: 400px;
}

.message {
    margin: 10px 0;
    padding: 10px;
    border-radius: 4px;
    max-width: 80%;
}

.user-message {
    background: #007bff;
    color: white;
    align-self: flex-end;
    margin-left: auto;
}

.bot-message {
    background: #e9e9e9;
    color: #333;
    align-self: flex-start;
}

.input-form {
    display: flex;
    gap: 10px;
}

#user-input {
    flex: 1;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

#send-btn {
    padding: 10px 20px;
    background: #007bff;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

#send-btn:hover {
    background: #0056b3;
}

#send-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
}

.loading {
    text-align: center;
    margin: 10px 0;
    color: #007bff;
}

.error {
    text-align: center;
    margin: 10px 0;
    color: red;
}

.hidden {
    display: none;
}

/* Responsive adjustments */
@media (max-width: 600px) {
    .container {
        padding: 10px;
        width: 95%;
    }

    h1 {
        font-size: 1.2em;
    }

    .chat-container {
        max-height: 300px;
    }
}