body {
    font-family: sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: #f0f0f0;
    color: #333;
}

h1 {
    color: #333;
}

#status {
    margin-top: 20px;
    font-size: 1.2em;
    font-weight: bold;
}

#messages {
    margin-top: 20px;
    border: 1px solid #ccc;
    padding: 10px;
    width: 80%;
    max-width: 600px;
    height: 200px;
    overflow-y: scroll;
    background-color: white;
}

.connection-controls, .charger-controls {
    margin-top: 20px;
}

input[type="text"] {
    padding: 8px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

button {
    padding: 10px 20px;
    font-size: 1em;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    background-color: #4CAF50;
    color: white;
    margin: 5px;
}

button:disabled {
    background-color: #ccc;
    cursor: not-allowed;
}

/* Dark Mode Styles */
body.dark-mode {
    background-color: #121212;
    color: #e0e0e0;
}

body.dark-mode h1 {
    color: #e0e0e0;
}

body.dark-mode #messages {
    background-color: #1e1e1e;
    border-color: #444;
    color: #e0e0e0;
}

body.dark-mode input[type="text"] {
    background-color: #1e1e1e;
    border-color: #444;
    color: #e0e0e0;
}

body.dark-mode button:disabled {
    background-color: #444;
}

body.dark-mode button {
    background-color: #5a5a5a;
}