:root {
  --bg: #05060a;
  --panel: rgba(10, 12, 18, 0.82);
  --accent: #6ad8ff;
  --muted: #9fb3c8;
  --orbit: #4b5a70;
  --sun: #ffdb8f;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 20% 20%, #0a0c12 0%, #03040a 55%, #010208 100%);
  color: #e8f2ff;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  overflow: hidden;
}

#app {
  position: relative;
  width: 100%;
  height: 100%;
}

canvas { display: block; }

.overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.panel {
  pointer-events: auto;
  background: var(--panel);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 14px;
  padding: 12px;
  backdrop-filter: blur(12px);
  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.25);
}

.top-bar {
  position: absolute;
  top: 16px;
  left: 16px;
  right: 16px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 10px;
}

.panel h3 {
  margin: 4px 0 8px;
  font-size: 13px;
  color: #d1e3ff;
  letter-spacing: 0.4px;
}

.controls-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

button, select, input[type="range"] {
  pointer-events: auto;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.03);
  color: #eef5ff;
  padding: 8px 10px;
  font-size: 12px;
  font-family: inherit;
}

button {
  cursor: pointer;
  transition: background 0.2s, border 0.2s, transform 0.15s;
}

button:hover { border-color: rgba(255,255,255,0.2); }
button:active { transform: translateY(1px) scale(0.99); }

select { min-width: 140px; }

label {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 12px;
}

.range-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.range-row span { color: var(--muted); font-size: 12px; }

.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 12px;
  background: rgba(106, 216, 255, 0.1);
  color: #9de4ff;
  font-size: 11px;
}

.status-line {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  font-size: 12px;
  color: var(--muted);
}

.bottom-panel {
  position: absolute;
  bottom: 18px;
  left: 50%;
  transform: translateX(-50%);
  width: min(960px, calc(100% - 24px));
}

.section-title {
  text-transform: uppercase;
  letter-spacing: 0.6px;
  font-size: 11px;
  color: #7fa9c7;
  margin-bottom: 6px;
}

.timeline {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  align-items: center;
}

.pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.pill {
  padding: 6px 10px;
  border-radius: 12px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.07);
  color: #d8e6ff;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.2s;
}

.pill.active {
  border-color: var(--accent);
  color: #fff;
  box-shadow: 0 0 12px rgba(106, 216, 255, 0.35);
}

#ui-hidden-hint {
  position: absolute;
  top: 12px;
  right: 16px;
  color: #7fa9c7;
  font-size: 12px;
  pointer-events: none;
  opacity: 0.7;
}

.keyline { color: #9de4ff; }

@media (max-width: 720px) {
  .top-bar { grid-template-columns: 1fr; }
  button, select { width: 100%; }
  .controls-row { flex-direction: column; align-items: flex-start; }
}