:root{
  --bg:#05030a;
  --accent1:#00ffe7;
  --accent2:#ff00ff;
  --accent3:#00a3ff;
  --card: rgba(255,255,255,0.03);
  --glass: rgba(255,255,255,0.04);
  --glass-2: rgba(255,255,255,0.02);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
}

*{box-sizing:border-box}
html,body{height:100%;margin:0;background:linear-gradient(180deg,#07060b 0%, #020103 100%);color:#e6f7ff}
.ui{display:flex;gap:24px;max-width:1200px;margin:28px auto;padding:20px}
.ui__left{flex:1;min-width:300px}
.ui__right{flex:1.3;display:flex;flex-direction:column;align-items:center}

.title{font-size:28px;margin:0 0 6px;text-shadow:0 4px 18px rgba(0,255,230,0.08)}
.subtitle{margin:0 0 18px;color:#cdeff6}

.controls{display:flex;flex-wrap:wrap;gap:8px 12px;margin-bottom:12px;align-items:center}
.btn{
  background:linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02));
  border:1px solid rgba(255,255,255,0.06);
  padding:8px 12px;border-radius:10px;color:#e6fff9;cursor:pointer;
  box-shadow:0 6px 22px rgba(0,0,0,0.6), 0 0 18px rgba(0,160,255,0.06) inset;
}
.btn:hover{transform:translateY(-2px);box-shadow:0 12px 34px rgba(0,160,255,0.08)}

.label{display:flex;align-items:center;gap:10px;color:#cdeff6}
.label input[type=range]{width:140px}

.stats{display:flex;gap:18px;margin:12px 0;color:#dff9ff}
.hints{color:#bfeff6;font-size:13px;margin-bottom:6px}

.canvas-wrap{position:relative;background:radial-gradient(ellipse at center, rgba(0,0,0,0.2), transparent 40%), linear-gradient(135deg, rgba(0,160,255,0.04), rgba(255,0,200,0.02));border-radius:14px;padding:12px;box-shadow:0 10px 40px rgba(0,0,0,0.8)}
#gameCanvas{display:block;border-radius:10px;background:linear-gradient(180deg, rgba(255,255,255,0.02), rgba(0,0,0,0.2));width:100%;height:auto;max-width:900px;box-shadow: 0 6px 40px rgba(0,0,0,0.7) inset, 0 20px 60px rgba(0,0,0,0.6)}

.overlay{position:absolute;inset:12px;display:flex;align-items:center;justify-content:center;backdrop-filter: blur(6px)}
.overlay.hidden{display:none}
.overlay__panel{background:linear-gradient(180deg, rgba(2,6,23,0.85), rgba(2,6,23,0.65));padding:24px;border-radius:12px;border:1px solid rgba(255,255,255,0.04);text-align:center}
.overlay__actions{display:flex;gap:10px;justify-content:center;margin-top:10px}

.audio-controls{margin-top:8px;color:#bfeff6}

.footer-credits{margin-top:18px;color:#98eaf4;font-size:12px}
@media (max-width:900px){
  .ui{flex-direction:column;padding:12px}
  .ui__right{order:-1}
}