/* ...existing code... */
body {
    font-family: sans-serif;
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: #fff8dc; /* Cornsilk - light yellow/beige */
}

.container {
    width: 90%;
    max-width: 600px;
    background-color: #ffffff; /* White chat background for contrast */
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

h3 {
    color: #c5832b; /* A warm orange-brown */
    text-align: center;
    margin-bottom: 10px;
}

.chat-window {
    height: 300px;
    border: 1px solid #eedd82; /* Light goldenrod yellow border */
    border-radius: 8px;
    padding: 15px;
    overflow-y: auto;
    background-color: #fffacd; /* Lemon chiffon - light yellow */
    line-height: 1.6;
    color: #8b4513; /* Saddlebrown - dark brown for text */
}

.chat-window a {
    color: #d2691e; /* Chocolate - a distinct orange for links */
    text-decoration: underline;
}

.input-container {
    display: flex;
}

.input-container input {
    flex-grow: 1;
    padding: 10px 15px;
    border: 1px solid #eedd82; /* Light goldenrod yellow border */
    border-radius: 8px;
    font-size: 1em;
    color: #555;
    background-color: #fffacd; /* Lemon chiffon - light yellow */
}

.input-container input:disabled {
    background-color: #eee8aa; /* Pale goldenrod - slightly darker disabled background */
    cursor: not-allowed;
    color: #888;
}