body {
    font-family: Arial, sans-serif;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

.chat-container {
    border: 1px solid #ccc;
    border-radius: 8px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 500px;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 15px;
    background: #f9f9f9;
}

.message {
    margin-bottom: 10px;
    padding: 8px 12px;
    border-radius: 18px;
    max-width: 80%;
    word-wrap: break-word;
}

.message.system {
    background-color: #f0f0f0;
    color: #666;
    text-align: center;
    margin-left: auto;
    margin-right: auto;
    font-style: italic;
}

.message.user {
    background-color: #e3f2fd;
    margin-right: auto;
}

.message.self {
    background-color: #dcf8c6;
    margin-left: auto;
}

.chat-input {
    display: flex;
    padding: 10px;
    background: #fff;
    border-top: 1px solid #eee;
}

#messageInput {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 20px;
    margin-right: 10px;
}

button {
    background-color: #4CAF50;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 20px;
    cursor: pointer;
}

button:hover {
    background-color: #45a049;
}

.connection-status {
    text-align: center;
    margin-bottom: 10px;
    font-weight: bold;
}

.status-connecting { color: #f39c12; }
.status-connected { color: #2ecc71; }
.status-disconnected { color: #e74c3c; }