body {
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: radial-gradient(circle at center, #000814 0%, #000 80%);
    margin: 0;
    overflow: hidden;
}

.space {
    width: 200px;
    height: 200px;
    position: relative;
}

.earth {
    width: 100px;
    height: 100px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, #4facfe, #001f54 70%);
    box-shadow:
        0 0 25px #1e90ff,
        inset -10px -10px 20px rgba(0, 0, 0, 0.6);
}

.orbit {
    width: 200px;
    height: 200px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    border: 1px dashed rgba(255, 255, 255, 0.2);
    animation: orbit 6s linear infinite;
}

.moon {
    width: 30px;
    height: 30px;
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, #fff, #999);
    box-shadow:
        0 0 15px #fff,
        inset -5px -5px 10px rgba(0, 0, 0, 0.5);
}

@keyframes orbit {
    from {
        transform: translate(-50%, -50%) rotate(0deg);
    }

    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}