* {
  box-sizing: border-box;
  font-family: 'Noto Sans KR', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}
body {
  background-color: #090b10;
  color: #f1f5f9;
  overflow-x: hidden;
}
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: #0f131d; }
::-webkit-scrollbar-thumb { background: #262f45; border-radius: 9999px; }
.studio-card {
  background: linear-gradient(180deg, rgba(20, 24, 36, 0.95) 0%, rgba(14, 17, 26, 0.98) 100%);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 12px 32px -8px rgba(0, 0, 0, 0.6);
}
.neon-amber-badge {
  background: linear-gradient(135deg, #facc15 0%, #f59e0b 100%);
  color: #090b10;
  box-shadow: 0 0 20px rgba(245, 158, 11, 0.35);
}
.active-preset-card {
  border-color: #f59e0b !important;
  background: rgba(245, 158, 11, 0.08) !important;
  box-shadow: inset 0 0 0 1px rgba(245, 158, 11, 0.4);
}
.active-scene-tab {
  border-color: #f59e0b !important;
  background: rgba(245, 158, 11, 0.16) !important;
  color: #fde68a !important;
}
input[type="range"] { accent-color: #f59e0b; }