body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 0;
}

h1 {
    background-color: #35424a;
    color: #ffffff;
    padding: 20px;
    text-align: center;
    margin: 0;
}

.chat-container {
    max-width: 800px;
    margin: 20px auto;
    padding: 10px;
    background-color: #ffffff;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    height: 60vh;
    overflow-y: scroll;
}

.user-message, .ai-message {
    margin: 10px;
    padding: 10px;
    border-radius: 5px;
}

.user-message {
    background-color: #daf1da;
    text-align: right;
    position: relative;
    padding-right: 50px;
}

.user-message::after {
    content: "👤";
    position: absolute;
    right: 10px;
    top: 10px;
}

.ai-message {
    background-color: #f1f1f1;
    text-align: left;
    position: relative;
    padding-left: 50px;
}

.ai-message::before {
    content: "🤖";
    position: absolute;
    left: 10px;
    top: 10px;
}

.timestamp {
    display: block;
    font-size: 0.8em;
    color: #555555;
    margin-top: 5px;
}

.message-form {
    max-width: 800px;
    margin: 10px auto;
    display: flex;
    flex-direction: column;
    padding: 10px;
    background-color: #ffffff;
    border-radius: 5px;
}

.message-form textarea {
    resize: none;
    height: 100px;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    margin-bottom: 10px;
    font-size: 16px;
}

.message-form input[type="submit"] {
    background-color: #35424a;
    color: #ffffff;
    padding: 10px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
}

.message-form input[type="submit"]:hover {
    background-color: #45a049;
}

.clear-form {
    max-width: 800px;
    margin: 10px auto;
    text-align: center;
}

.clear-form button {
    background-color: #c0392b;
    color: #ffffff;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
}

.clear-form button:hover {
    background-color: #e74c3c;
}

a {
    color: #35424a;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}