/* Full-screen layout */

/* Color palette for PCB layers */
:root {
  --layer-0: #C83434;
  --layer-1: #7FC87F;
  --layer-2: #ce7d2c;
  --layer-3: #4fcbcb;
  --layer-4: #db628b;
  --layer-5: #a7a5c6;
  --layer-6: #28ccd9;
  --layer-7: #e8b2a7;
  --layer-8: #f2eda1;
  --layer-9: #8dcb81;
  --layer-10: #ed7c33;
  --layer-11: #5bc3eb;
  --outline: #d0d2cd;
  --silkscreen: #f2eda1;
}

html,
body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  font-family: sans-serif;
}

/* Fixed control panel */
#controls {
  position: fixed;
  top: 10px;
  left: 10px;
  background: rgba(40, 40, 40, 0.9);
  padding: 12px;
  border-radius: 6px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  z-index: 1000;
  color: white;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

#controls span {
  color: white;
  margin-right: 8px;
}

#controls button {
  margin: 4px 2px;
  padding: 6px 12px;
  border: 1px solid #555;
  border-radius: 4px;
  background: #333;
  color: white;
  cursor: pointer;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: background-color 0.2s ease;
}

#controls button:hover {
  background: #444;
}

#controls button.active {
  background: #555;
  border-color: #777;
}

#controls button::before {
  content: '';
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--layer-color, #888);
  flex-shrink: 0;
}

/* SVG should fill the viewport */
#pcb {
  width: 100%;
  height: 100%;
  background: #001023;
  cursor: grab;
}

#pcb:active {
  cursor: grabbing;
}