body{font-family:Inter,system-ui,Arial;margin:20px;background:#0e1024;color:#eef1ff}
input{display:block;margin:8px 0;padding:8px;border-radius:6px;border:1px solid #333}
button{padding:8px 12px;border-radius:6px;border:none;background:#6f5aff;color:white;cursor:pointer}
label{margin-right:8px}
#colorControls div{margin-bottom:10px}