* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    background-color: #000;
    color: #fff;
    overflow: hidden;
}

#container {
    position: relative;
    width: 100vw;
    height: 100vh;
}

#solar-system {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

#controls {
    position: absolute;
    top: 20px;
    right: 20px;
    background-color: rgba(0, 0, 0, 0.8);
    padding: 20px;
    border-radius: 10px;
    max-width: 300px;
    z-index: 1000;
}

.control-group {
    margin: 10px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

label {
    margin-right: 10px;
    min-width: 80px;
}

input[type="range"] {
    width: 150px;
}

button {
    width: 100%;
    padding: 10px;
    margin: 5px 0;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
}

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

@media (max-width: 768px) {
    #controls {
        position: fixed;
        bottom: 0;
        top: auto;
        right: 0;
        left: 0;
        max-width: 100%;
        border-radius: 10px 10px 0 0;
    }
}