#zeichen-canvas {
  position: absolute;
  inset: 0;
  width: 1280px;
  height: 720px;
  pointer-events: none;
  z-index: 10;
}

#canvas.zeichen-aktiv #zeichen-canvas {
  pointer-events: all;
  cursor: crosshair;
}

#canvas.zeichen-aktiv #lineal-overlay {
  pointer-events: none;
}

#canvas.zeichen-aktiv #geodreieck-overlay {
  pointer-events: none;
}

#geodreieck-overlay {
  position: absolute;
  top: 0;
  left: 0;
  cursor: move;
  z-index: 10;
  user-select: none;
  touch-action: none;
}

.zeichen-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 8px;
  border: 2px solid transparent;
  background: transparent;
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  color: #1a1a18;
}

.zeichen-toggle.aktiv {
  border-color: #486959;
  background: #486959;
  color: #fff;
}

.zeichnen-gruppe {
  display: flex;
  gap: 4px;
}

.zeichnen-trennlinie {
  width: 1px;
  height: 28px;
  background: #e0d9d0;
}

.zeichnen-tool {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: 2px solid transparent;
  background: transparent;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.zeichnen-toolbar {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 0 8px;
  border-left: 1px solid #d9d0c4;
}

.zeichnen-toolbar.sichtbar {
  display: flex;
}

.zeichnen-dicke {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: 2px solid transparent;
  background: transparent;
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.zeichnen-dicke.aktiv {
  border-color: #486959;
  background: #f0f5f2;
}

.zeichnen-farben {
  display: grid;
  grid-template-columns: repeat(11, 22px);
  gap: 4px;
}

.zeichnen-farb-btn {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
}

.zeichnen-farb-btn.aktiv {
  border-color: #1a1a18;
}

.zeichnen-tool.aktiv {
  border-color: #486959;
  background: #f0f5f2;
}

#laser-punkt {
  display: none;
  position: absolute;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(220, 30, 30, 0.85);
  box-shadow: 0 0 8px 4px rgba(220, 30, 30, 0.5);
  pointer-events: none;
  transform: translate(-50%, -50%);
  z-index: 20;
}

#canvas.laser-aktiv #zeichen-canvas {
  pointer-events: all;
  cursor: none;
}

#lineal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  transform-origin: 0px 20px;
  cursor: move;
  z-index: 10;
  user-select: none;
  touch-action: none;
}

#zirkel-overlay {
  position: absolute;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: 11;
  user-select: none;
}