:root {
  --control-panel-width: 220px;
  --control-panel-content-margin: 15px; /* Margin around logo and minimap */
  --control-panel-border-width: 2px;
}

html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: white;
  user-select: none;
  touch-action: none;
}
#canvas {
  position: absolute;
  left: calc(var(--control-panel-width) + var(--control-panel-border-width));
  top: 0;
  width: calc(100% - var(--control-panel-width) - var(--control-panel-border-width));
  height: 100%;
  background: #f0f0f0;
  cursor: crosshair;
  touch-action: none;
  overflow: hidden;
  user-select: none;
}

#canvas svg {
  transition: transform 0.1s ease-out;
}

#version-info {
  position: fixed;
  bottom: 8px;
  right: 8px;
  font-size: 10px;
  font-family: monospace;
  color: #bbb;
  background: rgba(255, 255, 255, 0.8);
  padding: 2px 6px;
  border-radius: 3px;
  border: 1px solid #ddd;
  pointer-events: none;
  z-index: 1000;
}

/* Left Control Panel - Full Height Column */
.control-panel {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--control-panel-width);
  height: 100vh;
  background: linear-gradient(180deg, rgba(248, 249, 250, 0.95) 0%, rgba(255, 255, 255, 0.95) 100%);
  border-right: var(--control-panel-border-width) solid #e1e4e8;
  box-shadow: 2px 0 8px rgba(0,0,0,0.1);
  z-index: 1000;
  backdrop-filter: blur(8px);
  /* Disable context menu for entire control panel */
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

#logo {
  position: absolute;
  top: var(--control-panel-content-margin);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 18px;
  font-weight: 600;
  color: #24292f;
  padding: 0;
  margin: 0;
}

#logo img {
  filter: drop-shadow(0 1px 2px rgba(0,0,0,0.1));
}

/* Minimap Styles */
#minimap-container {
  position: absolute;
  top: calc(var(--control-panel-content-margin) + 52px); /* Logo height + spacing */
  left: var(--control-panel-content-margin);
  right: var(--control-panel-content-margin);
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid #d0d7de;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  overflow: hidden;
  height: 140px;
}

#minimap-canvas {
  width: 100%;
  height: 100%;
  cursor: grab;
  border-radius: 2px;
}

#minimap-canvas:active {
  cursor: grabbing;
}

/* Viewport overlay in minimap */
.viewport-overlay {
  fill: rgba(0, 0, 0, 0.2);
  stroke: none;
}

/* Viewport window border */
.viewport-window-border {
  fill: none;
  stroke: #666;
  stroke-width: 1;
  opacity: 0.8;
  transition: none;
}

.grid-line {
  stroke: #ccc;
  stroke-width: 1px;
}