:root {
  --bg: #04060d;
  --panel: rgba(12, 16, 32, 0.82);
  --line: rgba(255, 255, 255, 0.08);
  --text: #eef0ff;
  --muted: #8f97c2;
  --accent: #ffcc33;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; overflow: hidden; background: var(--bg); color: var(--text); }

#scene { position: fixed; inset: 0; }
#scene canvas { display: block; touch-action: none; }

.panel {
  position: fixed;
  top: 16px;
  left: 16px;
  width: 300px;
  max-height: calc(100vh - 64px);
  overflow-y: auto;
  padding: 14px 16px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  font-size: 0.9rem;
}
.panel-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 8px; }
.panel h1 { font-size: 1.15rem; margin: 0; }
.panel .sub { margin: 2px 0 0; color: var(--muted); font-size: 0.85rem; }
.panel h2 { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.8px; margin: 16px 0 6px; color: var(--muted); font-weight: 600; }
.muted { color: var(--muted); font-weight: 400; text-transform: none; letter-spacing: 0; }

.collapse {
  background: none; border: 1px solid var(--line); color: var(--text);
  width: 28px; height: 28px; border-radius: 8px; cursor: pointer; font-size: 1rem; flex: none;
}
.panel.collapsed #panel-body { display: none; }

.fly { display: flex; gap: 6px; margin-top: 12px; flex-wrap: wrap; }
.chip {
  border: 1px solid var(--line); background: rgba(255, 255, 255, 0.05); color: var(--text);
  padding: 6px 10px; border-radius: 999px; cursor: pointer; font-size: 0.85rem;
}
.chip:hover, .chip[aria-pressed="true"] { background: rgba(255, 204, 51, 0.18); border-color: rgba(255, 204, 51, 0.5); }
.chip:focus-visible, .collapse:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.layer { display: flex; align-items: center; gap: 8px; padding: 4px 0; cursor: pointer; }
.layer input { accent-color: var(--accent); margin: 0; }
.layer b { margin-left: auto; color: var(--muted); font-weight: 500; font-variant-numeric: tabular-nums; }
i { display: inline-block; width: 18px; height: 3px; border-radius: 2px; background: var(--c); flex: none; }
i.dot { width: 9px; height: 9px; border-radius: 50%; }

.legend { display: flex; flex-wrap: wrap; gap: 10px; font-size: 0.8rem; margin: 4px 0 0 22px; }
.legend span { display: inline-flex; align-items: center; gap: 4px; }

.status { margin: 14px 0 0; color: var(--muted); font-size: 0.8rem; min-height: 1em; }

.tooltip {
  position: fixed;
  pointer-events: none;
  max-width: 260px;
  padding: 8px 10px;
  background: rgba(8, 10, 20, 0.92);
  border: 1px solid var(--line);
  border-radius: 10px;
  font-size: 0.85rem;
  line-height: 1.35;
  z-index: 5;
}
.tooltip strong { display: block; margin-bottom: 2px; }
.tooltip span { color: var(--muted); }

.badge {
  position: fixed; top: 16px; right: 16px;
  font-size: 0.75rem; color: var(--muted);
  background: var(--panel); border: 1px solid var(--line);
  padding: 4px 10px; border-radius: 999px;
}

.credits {
  position: fixed; left: 0; right: 0; bottom: 0;
  padding: 6px 16px;
  font-size: 0.72rem; color: var(--muted);
  text-align: right;
  background: linear-gradient(transparent, rgba(4, 6, 13, 0.85));
}
.credits a { color: var(--muted); }

.noscript { position: fixed; inset: 0; display: grid; place-items: center; }

@media (max-width: 600px) {
  .panel { top: auto; bottom: 34px; left: 8px; right: 8px; width: auto; max-height: 46vh; padding: 12px; }
  .badge { top: 8px; right: 8px; }
  .credits { text-align: center; font-size: 0.65rem; }
}