/**
 * Cellular Triangulation (Multilateration) Simulator - local styles
 * Max width 800px, Courier New, black background
 */
#celltri-container {
  max-width: 800px;
  width: 100%;
  box-sizing: border-box;
  font-family: 'Courier New', monospace;
  font-size: 13px;
  background: #000;
  color: #fff;
  padding: 12px;
  border-radius: 6px;
  position: relative;
  overflow: hidden;
}

#celltri-container .celltri-control-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 4px 0;
  font-size: 13px;
  flex-wrap: wrap;
}

#celltri-container .celltri-control-row label {
  min-width: 80px;
  color: #fff;
}

#celltri-container .celltri-control-row select {
  font-family: 'Courier New', monospace;
  font-size: 13px;
  padding: 6px 10px;
  background: #1a1a1a;
  color: #ccc;
  border: 1px solid #444;
  border-radius: 4px;
  cursor: pointer;
  min-width: 140px;
}

#celltri-container .celltri-control-row select:hover {
  background: #222;
  border-color: #555;
}

#celltri-container .celltri-control-row select:focus {
  outline: none;
  border-color: #3498db;
}

#celltri-container .celltri-control-row select option {
  background: #1a1a1a;
  color: #ccc;
}

#celltri-container .celltri-sliders-row {
  flex-wrap: nowrap;
  gap: 4px;
}

#celltri-container .celltri-sliders-row label {
  min-width: auto;
  margin-right: 2px;
}

#celltri-container .celltri-sliders-row input[type="range"] {
  flex: 0 1 70px;
  min-width: 50px;
}

#celltri-container .celltri-sliders-row span {
  min-width: 18px;
  margin-right: 4px;
}

#celltri-container .celltri-control-row input[type="range"] {
  flex: 1;
  min-width: 80px;
  height: 6px;
  -webkit-appearance: none;
  appearance: none;
  background: #333;
  border-radius: 3px;
}

#celltri-container .celltri-control-row input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #3498db;
  border: 2px solid #5dade2;
  cursor: pointer;
}

#celltri-container .celltri-control-row input[type="range"]::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #3498db;
  border: 2px solid #5dade2;
  cursor: pointer;
}

#celltri-container .celltri-control-row input[type="range"]::-webkit-slider-thumb:hover {
  background: #5dade2;
}

#celltri-container .celltri-control-row input[type="range"]::-moz-range-thumb:hover {
  background: #5dade2;
}

#celltri-container .celltri-control-row input[type="checkbox"] {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  background: #1a1a1a;
  border: 1px solid #444;
  border-radius: 4px;
  cursor: pointer;
  position: relative;
  flex-shrink: 0;
}

#celltri-container .celltri-control-row input[type="checkbox"]:hover {
  background: #222;
  border-color: #555;
}

#celltri-container .celltri-control-row input[type="checkbox"]:checked {
  background: #1a3a4a;
  border-color: #3498db;
}

#celltri-container .celltri-control-row input[type="checkbox"]:checked::after {
  content: '';
  position: absolute;
  left: 5px;
  top: 2px;
  width: 5px;
  height: 10px;
  border: solid #3498db;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

#celltri-container .celltri-control-row span {
  min-width: 24px;
  color: #ccc;
  font-size: 13px;
}

#celltri-container .celltri-math-sidebar {
  margin-top: 12px;
  padding: 10px;
  background: #0d0d0d;
  border: 1px solid #333;
  border-radius: 4px;
  font-size: 13px;
  color: #ccc;
  max-height: 380px;
  overflow-y: auto;
}

#celltri-container .celltri-math-sidebar p {
  margin: 4px 0;
}

#celltri-container .celltri-dop-warning {
  color: #e74c3c;
  font-weight: bold;
  margin-top: 6px;
}

#celltri-container #celltriCanvas {
  display: block;
  max-width: 100%;
  background: #111;
  border: 1px solid #333;
  border-radius: 4px;
  cursor: crosshair;
  box-sizing: border-box;
}

#content_sim {
  max-width: 800px;
  box-sizing: border-box;
}