:root{--bg:#000;--fg:#fff;--muted:#8a8a8a;--ui:rgba(0,0,0,0.55);--uiBorder:rgba(255,255,255,0.08)}
*{box-sizing:border-box}
html,body{margin:0;height:100%;background:var(--bg);color:var(--fg);font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace}
#glcanvas{position:fixed;inset:0;width:100vw;height:100vh;display:block;background:#000}
#ui{position:fixed;left:16px;bottom:16px;display:flex;flex-direction:column;gap:8px;padding:12px 12px 10px 12px;background:var(--ui);backdrop-filter:saturate(120%) blur(6px);-webkit-backdrop-filter:saturate(120%) blur(6px);border:1px solid var(--uiBorder);border-radius:8px;min-width:300px}
#ui .row{display:flex;align-items:center;gap:10px}
#ui .row.compact{justify-content:space-between}
label{font-size:11px;color:var(--muted);min-width:62px}
input[type=range]{flex:1}
.val{width:52px;text-align:right;font-size:11px;color:var(--muted)}
button{appearance:none;background:#0a0a0a;border:1px solid #1a1a1a;color:#ddd;padding:6px 10px;border-radius:6px;font-size:12px}
button:hover{border-color:#2a2a2a;color:#fff}
select{appearance:none;background:#0a0a0a;border:1px solid #1a1a1a;color:#ddd;padding:6px 8px;border-radius:6px;font-size:12px}
.hint{font-size:10px;color:#6d6d6d;text-align:right;margin-top:4px}
.hidden{opacity:0;pointer-events:none}