Merge issue-41 (Refs #41)

craft/src/styles/editor.css

@@ -1348,11 +1348,43 @@ body {
   pointer-events: none;
 }
 
-.empty-canvas-hint i {
+.empty-canvas-hint i.fa-cubes {
   font-size: 32px;
   opacity: 0.2;
 }
 
+.empty-canvas-actions {
+  display: flex;
+  flex-wrap: wrap;
+  justify-content: center;
+  gap: 8px;
+}
+
+.empty-canvas-btn {
+  pointer-events: auto;
+  display: inline-flex;
+  align-items: center;
+  gap: 6px;
+  padding: 8px 14px;
+  font-size: 13px;
+  color: var(--color-text);
+  background: var(--color-bg-elevated);
+  border: 1px solid var(--color-border-light);
+  border-radius: var(--radius-sm);
+  cursor: pointer;
+}
+
+.empty-canvas-btn:hover {
+  border-color: var(--color-accent);
+}
+
+@media (max-width: 767px) {
+  .empty-canvas-actions {
+    flex-direction: column;
+    align-items: stretch;
+  }
+}
+
 /* --------------------------------------------------------------------------
    Settings Tabs (General / Style / Advanced)
    -------------------------------------------------------------------------- */
@@ -2284,3 +2316,58 @@ body {
 }
 .canvas-device-frame[data-device="tablet"]::before { content: "Tablet \00b7  768px"; }
 .canvas-device-frame[data-device="mobile"]::before { content: "Mobile \00b7  375px"; }
+/* #41 empty container add */
+.empty-container-add {
+  position: fixed;
+  z-index: 45;
+  width: 28px;
+  height: 28px;
+  margin: -14px 0 0 -14px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  padding: 0;
+  font-size: 13px;
+  color: #fff;
+  background: var(--color-accent);
+  border: 0;
+  border-radius: 50%;
+  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.35);
+  cursor: pointer;
+  /* Only the button is interactive; it never sits in Craft's drop path. */
+  pointer-events: auto;
+}
+
+.empty-container-add-pop {
+  position: fixed;
+  z-index: 46;
+  display: grid;
+  grid-template-columns: repeat(3, 1fr);
+  gap: 4px;
+  padding: 6px;
+  background: var(--color-bg-elevated);
+  border: 1px solid var(--color-border-light);
+  border-radius: var(--radius-sm);
+  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
+}
+
+.empty-container-add-item {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  gap: 4px;
+  min-width: 64px;
+  padding: 8px 6px;
+  font-size: 11px;
+  color: var(--color-text);
+  background: transparent;
+  border: 1px solid transparent;
+  border-radius: var(--radius-sm);
+  cursor: pointer;
+}
+
+.empty-container-add-item:hover,
+.empty-container-add-item:focus-visible {
+  border-color: var(--color-accent);
+  outline: none;
+}