body {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    background-color: #1a1a1a; 
    font-family: sans-serif;
}

.container {
    display: flex;
    align-items: center;
    gap: 20px;
    background: #2b2b2b;
    padding: 24px 32px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
}

button {
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 10px;
    transition: transform 0.2s ease;
}

button:hover {
    transform: scale(1.2);
}

.btn-off i {
    font-size: 32px;
    color: #ff5555; 
}

.btn-on i {
    font-size: 32px;
    color: #50fa7b; 
}

.lamp-img {
    width: 200px;
    height: 200px;
    object-fit: contain;
}