body {
    font-family: 'Segoe UI', sans-serif;
    background-color: #121212;
    margin: 0;
    padding: 0;
    color: #e0e0e0;
}

.chat-container {
    width: 100%;
    max-width: 800px;
    margin: 16px auto;
    background-color: #1e1e1e;
    border-radius: 8px;
    box-shadow: 0 0 15px rgba(0,0,0,0.3);
    display: flex;
    flex-direction: column;
    height: 90vh;
}

.chat-box {
    flex-grow: 1;
    padding: 20px;
    overflow-y: auto;
    border-bottom: 1px solid #333;
}

.chat-box div {
    margin: 10px 0;
    line-height: 1.5;
}

.input-box {
    display: flex;
    padding: 10px;
    margin: 10px;
    background-color: #2a2a2a;
    border-top: 1px solid #333;
}

input[type="text"] {
    flex-grow: 1;
    padding: 10px;
    font-size: 16px;
    background-color: #2a2a2a;
    border: 1px solid #444;
    color: #fff;
    border-radius: 4px;
}

button {
    margin-left: 10px;
    padding: 10px 20px;
    font-size: 16px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

.markdown code {
    background-color: #333;
    padding: 2px 5px;
    border-radius: 4px;
    color: #f1f1f1;
    font-family: monospace;
}

.markdown pre {
    background-color: #1a1a1a;
    padding: 10px;
    border-radius: 6px;
    overflow-x: auto;
}

.markdown a {
    color: #4FC3F7;
    text-decoration: none;
}