#cdvn-hero {
  position: relative;
  min-height: 100%;
  overflow: hidden;
  isolation: isolate;
  background: radial-gradient(circle at 50% 42%, #151a3a 0%, #070914 55%, #03040a 100%);
}

#scene-container { position: absolute; inset: 0; z-index: 0; }
#scene-container canvas { display: block; width: 100%; height: 100%; }
.visualization-menu {
  position: absolute;
  z-index: 3;
  right: 24px;
  bottom: 24px;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(130,150,255,.42);
  border-radius: 50%;
  color: #f5f7ff;
  background: rgba(9,13,30,.72);
  backdrop-filter: blur(12px);
  box-shadow: 0 4px 18px rgba(0,0,0,.28);
  font: 24px/1 ui-monospace, SFMono-Regular, monospace;
  cursor: pointer;
}
.visualization-menu:hover, .visualization-menu:focus-visible { color: #06101e; background: #55e6ff; outline: none; }
.visualization-panel {
  position: absolute;
  z-index: 3;
  right: 24px;
  bottom: 72px;
  width: 270px;
  padding: 15px;
  border: 1px solid rgba(130,150,255,.24);
  border-radius: 12px;
  color: #f5f7ff;
  background: rgba(9,13,30,.86);
  backdrop-filter: blur(12px);
  box-shadow: 0 10px 35px rgba(0,0,0,.36);
  text-shadow: 0 2px 12px #000;
}
.visualization-panel[hidden] { display: none; }
.cdvn-threejs-status { display: flex; align-items: center; gap: 9px; margin-bottom: 18px; color: #9ca8c7; font: 11px ui-monospace, SFMono-Regular, monospace; white-space: nowrap; }
.cdvn-threejs-status-dot { width: 8px; height: 8px; border-radius: 50%; background: #55e6ff; box-shadow: 0 0 14px #55e6ff; }
.cdvn-threejs-group + .cdvn-threejs-group { margin-top: 18px; }
.cdvn-threejs-label { display: flex; justify-content: space-between; margin-bottom: 9px; color: #9ca8c7; font: 600 10px ui-monospace, SFMono-Regular, monospace; letter-spacing: .12em; }
.cdvn-threejs-buttons { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; }
.visualization-panel button:not(.visualization-menu) { color: #f5f7ff; border: 1px solid rgba(130,150,255,.3); border-radius: 6px; background: rgba(30,38,76,.8); padding: 9px 6px; font: 600 10px ui-monospace, SFMono-Regular, monospace; cursor: pointer; }
.visualization-panel button:not(.visualization-menu):hover, .visualization-panel button.active { color: #06101e; border-color: transparent; background: #55e6ff; }
.visualization-panel .secondary-button { width: 100%; margin-top: 18px; color: #9ca8c7; background: transparent; }
.visualization-panel input[type="range"] { width: 100%; accent-color: #55e6ff; cursor: pointer; }
.cdvn-threejs-range-labels { display: flex; justify-content: space-between; color: #697493; font: 8px ui-monospace, SFMono-Regular, monospace; }
.visualization-help { margin-top: 20px; padding-top: 14px; border-top: 1px solid rgba(130,150,255,.18); }
.visualization-help p { margin: 0; color: #9ca8c7; font-size: 11px; line-height: 1.5; }
#selection-text, #metrics-text { margin: 8px 0 0; color: #697493; font: 10px ui-monospace, SFMono-Regular, monospace; }
@media (max-width: 700px) {
  .visualization-menu { right: 18px; bottom: 18px; }
  .visualization-panel { right: 18px; bottom: 66px; width: min(270px, calc(100vw - 36px)); }
}