*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: #000;
  color: #e0e0e0;
  overflow: hidden;
  height: 100vh;
}

#canvas-container {
  position: fixed;
  inset: 0;
  z-index: 0;
}

#ui-panel {
  position: fixed;
  top: 0; left: 0;
  width: 280px;
  height: 100vh;
  overflow-y: auto;
  background: rgba(10, 10, 20, 0.88);
  backdrop-filter: blur(12px);
  border-right: 1px solid rgba(100, 140, 255, 0.15);
  z-index: 10;
  padding: 16px;
  scrollbar-width: thin;
  scrollbar-color: #334 transparent;
}

#ui-panel h1 {
  font-size: 1.2rem;
  font-weight: 700;
  color: #8ab4ff;
  margin-bottom: 12px;
  letter-spacing: 0.5px;
}

.section {
  margin-bottom: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(100, 140, 255, 0.1);
}

.section h2 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: #6688bb;
  margin-bottom: 8px;
}

label {
  display: block;
  font-size: 0.8rem;
  color: #99aabb;
  margin-bottom: 6px;
}

label span {
  float: right;
  color: #aaccff;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

input[type="range"] {
  width: 100%;
  margin-top: 2px;
  accent-color: #5588ff;
}

.toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  margin-bottom: 4px;
}

.toggle input { accent-color: #5588ff; }

button {
  background: rgba(60, 80, 140, 0.4);
  border: 1px solid rgba(100, 140, 255, 0.25);
  color: #c0d4ff;
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.8rem;
  transition: all 0.15s;
}

button:hover {
  background: rgba(80, 110, 200, 0.5);
  border-color: rgba(120, 160, 255, 0.5);
}

button.primary {
  background: rgba(50, 100, 220, 0.5);
  border-color: rgba(100, 160, 255, 0.4);
}

.btn-row {
  display: flex;
  gap: 8px;
  margin-bottom: 10px;
}
.btn-row button { flex: 1; }

#body-list {
  max-height: 180px;
  overflow-y: auto;
  scrollbar-width: thin;
}

.body-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 4px 6px;
  border-radius: 4px;
  font-size: 0.75rem;
  margin-bottom: 2px;
  background: rgba(40, 50, 80, 0.3);
}

.body-item .dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  display: inline-block;
  margin-right: 6px;
}

.body-item button {
  padding: 2px 6px;
  font-size: 0.65rem;
  background: rgba(200, 60, 60, 0.3);
  border-color: rgba(255, 80, 80, 0.3);
  color: #ff8888;
}

.info { font-size: 0.7rem; color: #667; line-height: 1.5; }
.info em { color: #88aadd; }

#stats-bar {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  height: 28px;
  background: rgba(10, 10, 20, 0.7);
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 0 16px 0 296px;
  font-size: 0.7rem;
  color: #556;
  z-index: 10;
}