body{background:#0b1020;color:#eee;font-family:Arial;padding:30px;max-width:1000px;margin:auto}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:16px;margin:25px 0}
.planet{background:#1b2440;border-radius:12px;padding:20px;text-align:center;font-size:26px;cursor:pointer;transition:.2s}
.planet:hover{transform:scale(1.05);background:#2a3966}
.card{background:#131b30;padding:20px;border-radius:12px}.tag{opacity:.8}