Initial commit: HMDesignSystem baseline

packages/ui/src/theme/separator.css

@@ -0,0 +1,17 @@
+/* Separator mapping — current HM values. ui-viz has no standalone Separator (only per-component divider values), so this is a plain 1px line.
+   The color is a divider tone (the same pale warm neutral the HM input / Dialog outlines use) referenced from the Primitive; no Semantic exists for it yet. */
+:root, [data-hm-theme] {
+  --hm-separator-thickness: 1px;
+  --hm-separator-color: var(--hm-sem-stroke-input-default);
+}
+
+[data-slot="separator"] {
+  background: var(--hm-separator-color);
+}
+[data-slot="separator"][data-orientation="horizontal"] {
+  height: var(--hm-separator-thickness);
+}
+[data-slot="separator"][data-orientation="vertical"] {
+  width: var(--hm-separator-thickness);
+  min-height: 1em;
+}