* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  font-family: var(--font);
  background: var(--paper);
  color: var(--ink);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
button { font: inherit; cursor: pointer; }

.top {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  padding: 0.6rem 0.85rem;
  background: var(--head);
  color: #efe7db;
  border-bottom: 1px solid #3d3630;
}
.top h1 {
  margin: 0 0.75rem 0 0;
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.tools {
  display: flex;
  gap: 0.25rem;
}
.tools .tool {
  background: transparent;
  border: 1px solid #6a6156;
  color: #efe7db;
  padding: 0.32rem 0.6rem;
  border-radius: 3px;
  font-size: 0.82rem;
}
.tools .tool:hover { border-color: #a89888; }
.tools .tool.active {
  background: var(--rust);
  border-color: var(--rust);
  color: #fff;
}
.actions {
  display: flex;
  gap: 0.4rem;
  align-items: center;
  margin-left: auto;
}
.actions button {
  background: var(--rust);
  color: #fff;
  border: 0;
  padding: 0.35rem 0.65rem;
  border-radius: 3px;
  font-size: 0.82rem;
}
.actions button.ghost {
  background: transparent;
  border: 1px solid #6a6156;
  color: #efe7db;
}
.actions button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}
.actions a {
  color: #e8c4b0;
  font-size: 0.85rem;
  margin-left: 0.25rem;
}

.workspace {
  flex: 1;
  display: grid;
  grid-template-columns: 220px 1fr;
  min-height: 0;
}

.layers-panel {
  background: var(--panel);
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  min-height: 0;
}
.panel-head {
  padding: 0.55rem 0.75rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
}
.layers-list {
  list-style: none;
  margin: 0;
  padding: 0.35rem 0;
  overflow-y: auto;
  flex: 1;
}
.layer-item {
  display: grid;
  grid-template-columns: 1fr auto auto auto;
  gap: 0.2rem;
  align-items: center;
  padding: 0.35rem 0.5rem 0.35rem 0.65rem;
  font-size: 0.82rem;
  border-left: 3px solid transparent;
  cursor: pointer;
}
.layer-item:hover { background: var(--rust-soft); }
.layer-item.selected {
  background: var(--sel);
  border-left-color: var(--rust);
}
.layer-item.hidden-layer .layer-name {
  opacity: 0.45;
  text-decoration: line-through;
}
.layer-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.layer-btn {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--muted);
  width: 1.5rem;
  height: 1.5rem;
  padding: 0;
  border-radius: 2px;
  font-size: 0.7rem;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}
.layer-btn:hover {
  border-color: var(--rust);
  color: var(--rust);
}
.layer-btn.danger:hover {
  border-color: #8b2e0f;
  color: #8b2e0f;
}

.canvas-area {
  display: flex;
  flex-direction: column;
  min-height: 0;
  background: var(--paper);
}
.canvas-scroll {
  flex: 1;
  overflow: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  min-height: 0;
}
#artboard {
  background: var(--artboard);
  border: 1px solid var(--line);
  box-shadow: 0 2px 12px rgba(26, 22, 18, 0.08);
  touch-action: none;
  user-select: none;
}
#artboard .shape {
  cursor: pointer;
}
#artboard.tool-select .shape { cursor: move; }
#artboard.tool-rect,
#artboard.tool-ellipse,
#artboard.tool-draw { cursor: crosshair; }

.status {
  padding: 0.4rem 0.85rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--muted);
  border-top: 1px solid var(--line);
  background: var(--panel);
}

/* Selection overlay */
.sel-box {
  fill: none;
  stroke: var(--rust);
  stroke-width: 1;
  stroke-dasharray: 4 3;
  pointer-events: none;
}
.handle {
  fill: #fff;
  stroke: var(--handle);
  stroke-width: 1.5;
  cursor: nwse-resize;
}
.handle[data-handle="n"],
.handle[data-handle="s"] { cursor: ns-resize; }
.handle[data-handle="e"],
.handle[data-handle="w"] { cursor: ew-resize; }
.handle[data-handle="ne"],
.handle[data-handle="sw"] { cursor: nesw-resize; }

.draw-preview {
  fill: none;
  stroke: var(--rust);
  stroke-width: 2;
  stroke-dasharray: 6 4;
  pointer-events: none;
}
.draw-vertex {
  fill: var(--rust);
  stroke: #fff;
  stroke-width: 1;
  pointer-events: none;
}

.empty-layers {
  padding: 1rem 0.75rem;
  font-size: 0.82rem;
  color: var(--muted);
}