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

body {
    background: linear-gradient(135deg, #0f0c29, #302b63, #24243e);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    font-family: 'Arial', sans-serif;
}

.container {
    position: relative;
    width: 100%;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.orbital-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(3, 1fr);
    gap: 10px;
    width: 80%;
    max-width: 900px;
    height: 60vh;
    position: relative;
}

.orbital-system {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.gravitational-point {
    position: absolute;
    width: 0;
    height: 0;
}

.orbiting-circle {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.7);
    width: 20px;
    height: 20px;
}