:root {
  --bg: #0b1222;
  --panel: #111b31;
  --panel-2: #0f172a;
  --border: #24324e;
  --text: #e2e8f0;
  --muted: #9aa7bd;
  --accent: #00d9ff;
  --accent-2: #ff1694;
  --ok: #ffd700;
  --s1: #ff6b6b;
  --s2: #ffa94d;
  --s3: #ffd700;
  --s4: #51cf66;
  --s5: #00d9ff;
  --env: #cc5de8;
}

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

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow: hidden;
  height: 100vh;
  width: 100vw;
  display: flex;
}

#canvas-container {
  flex: 1;
  height: 100vh;
  cursor: grab;
}
#canvas-container:active { cursor: grabbing; }
#canvas-container canvas { display: block; }

#info-panel {
  width: 340px;
  min-width: 340px;
  height: 100vh;
  background: var(--panel);
  border-left: 3px solid #000;
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  overflow-y: auto;
  z-index: 10;
  box-shadow: -8px 0 0 rgba(0,0,0,0.3);
}

.panel-header { text-align: center; }
.panel-header h1 {
  font-size: 1.4rem;
  font-weight: 900;
  letter-spacing: 2px;
  color: var(--accent);
  text-shadow: 0 0 20px rgba(0,217,255,0.4);
  line-height: 1.2;
}
.panel-header .subtitle {
  font-size: 0.7rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  display: block;
  margin-top: 4px;
}

.system-detail {
  background: var(--panel-2);
  border: 2px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  min-height: 180px;
  flex-shrink: 0;
}
.detail-placeholder {
  color: var(--muted);
  font-style: italic;
  text-align: center;
  padding: 30px 0;
  font-size: 0.85rem;
}
.detail-content h2 {
  font-size: 1.05rem;
  font-weight: 800;
  margin-bottom: 8px;
  letter-spacing: 0.5px;
}
.detail-content .sys-label {
  display: inline-block;
  font-size: 0.65rem;
  text-transform: uppercase;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: 3px;
  border: 2px solid #000;
  margin-bottom: 10px;
}
.detail-content p {
  font-size: 0.8rem;
  color: var(--muted);
  line-height: 1.5;
}
.detail-content .metrics {
  margin-top: 12px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.detail-content .metric {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 6px 10px;
  font-size: 0.7rem;
  text-align: center;
  flex: 1;
  min-width: 60px;
}
.detail-content .metric .val {
  font-size: 1.1rem;
  font-weight: 800;
  display: block;
}
.detail-content .metric .lbl {
  color: var(--muted);
  font-size: 0.6rem;
  text-transform: uppercase;
}

.ashby-meter {
  background: var(--panel-2);
  border: 2px solid var(--border);
  border-radius: 8px;
  padding: 14px 16px;
}
.meter-label {
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 1.5px;
  color: var(--ok);
  margin-bottom: 10px;
}
.meter-track {
  height: 12px;
  background: #1a2744;
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid var(--border);
}
.meter-fill {
  height: 100%;
  width: 50%;
  background: linear-gradient(90deg, #ff4444, var(--ok), #44ff44);
  border-radius: 6px;
  transition: width 0.5s ease;
}
.meter-values {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  font-size: 0.65rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.meter-values span span { color: var(--text); font-weight: 700; }

.legend {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.7rem;
}
.legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
}
.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
  border: 1px solid #000;
}
.dot.s1 { background: var(--s1); box-shadow: 0 0 8px var(--s1); }
.dot.s2 { background: var(--s2); box-shadow: 0 0 8px var(--s2); }
.dot.s3 { background: var(--s3); box-shadow: 0 0 8px var(--s3); }
.dot.s4 { background: var(--s4); box-shadow: 0 0 8px var(--s4); }
.dot.s5 { background: var(--s5); box-shadow: 0 0 8px var(--s5); }
.dot.env { background: var(--env); box-shadow: 0 0 8px var(--env); }

.controls-hint {
  text-align: center;
  font-size: 0.65rem;
  color: var(--muted);
  padding-top: 4px;
  border-top: 1px solid var(--border);
}

.tooltip-3d {
  position: absolute;
  pointer-events: none;
  background: var(--panel);
  border: 2px solid #000;
  color: var(--text);
  padding: 6px 12px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 700;
  white-space: nowrap;
  transform: translate(-50%, -150%);
  z-index: 100;
  box-shadow: 4px 4px 0 rgba(0,0,0,0.5);
  display: none;
}

@media (max-width: 768px) {
  body { flex-direction: column; }
  #info-panel {
    width: 100%;
    min-width: 100%;
    height: auto;
    max-height: 40vh;
    border-left: none;
    border-top: 3px solid #000;
    flex-shrink: 0;
  }
  #canvas-container { height: 60vh; flex: none; }
}