/* DXF 2D drawing viewer */

.drawing-layout .panel {
  overflow: auto;
  max-height: calc(100vh - 7rem);
}

.drawing-tools .tool-toggle {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.4rem;
  margin-bottom: 0.5rem;
}

.tool-btn.on {
  border-color: rgba(61, 139, 253, 0.65);
  background: rgba(61, 139, 253, 0.18);
  color: #dce9f8;
}

.drawing-viewport {
  position: relative;
  min-height: 520px;
  background:
    radial-gradient(800px 420px at 70% 0%, #182230 0%, transparent 55%),
    #0c1014;
  overflow: hidden;
  cursor: grab;
}

.drawing-viewport.measure-mode {
  cursor: crosshair;
}

.drawing-viewport.panning {
  cursor: grabbing;
}

.drawing-viewport #paper {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 520px;
  touch-action: none;
}

.measure-badge {
  position: absolute;
  left: 1rem;
  top: 1rem;
  padding: 0.45rem 0.75rem;
  border-radius: 8px;
  border: 1px solid rgba(61, 139, 253, 0.45);
  background: rgba(12, 18, 26, 0.88);
  color: #dce9f8;
  font-family: var(--mono);
  font-size: 0.85rem;
  pointer-events: none;
}

.layer-box {
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.layer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.55rem;
}

.layer-head h3 {
  margin: 0;
  font-size: 0.95rem;
}

.layer-all {
  min-height: 1.9rem;
  padding: 0 0.55rem;
  font-size: 0.75rem;
}

.layer-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.35rem;
  max-height: 240px;
  overflow: auto;
}

.layer-list li {
  margin: 0;
}

.layer-empty {
  color: var(--muted);
  font-size: 0.82rem;
  padding: 0.35rem 0;
}

.layer-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.4rem 0.5rem;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--field);
  color: var(--text);
  font: inherit;
  font-size: 0.8rem;
  text-align: left;
  cursor: pointer;
}

.layer-item:hover {
  border-color: #4a5a6c;
}

.layer-item.off {
  opacity: 0.45;
}

.layer-swatch {
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 2px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  flex-shrink: 0;
}

.layer-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.layer-count {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.72rem;
}

@media (max-width: 900px) {
  .drawing-layout .panel {
    max-height: none;
  }
}