Initial commit: HMDesignSystem baseline

packages/ui/src/theme/hover-card.css

@@ -0,0 +1,31 @@
+/* Hover Card mapping. ui-viz has no Hover Card spec, so these are current HM values from the HM Semantic tokens.
+   A richer preview than Tooltip (title / description / metadata); it is wider than Popover so a preview reads in one block. */
+:root, [data-hm-theme] {
+  --hm-hover-card-background: var(--hm-sem-floating-background);
+  --hm-hover-card-text: var(--hm-sem-fg-primary);
+  --hm-hover-card-border-width: var(--hm-sem-floating-border-width);
+  --hm-hover-card-border-color: var(--hm-sem-floating-border-color);
+  --hm-hover-card-radius: var(--hm-sem-floating-radius);
+  --hm-hover-card-shadow: var(--hm-sem-floating-shadow);
+  --hm-hover-card-padding: 16px;
+  --hm-hover-card-width: 320px;
+  --hm-hover-card-font-size: 14px;
+  --hm-hover-card-line-height: 20px;
+  --hm-hover-card-font-weight: 400;
+}
+
+[data-slot="hover-card-content"] {
+  box-sizing: border-box;
+  width: var(--hm-hover-card-width);
+  max-width: calc(100vw - 16px);
+  padding: var(--hm-hover-card-padding);
+  border: var(--hm-hover-card-border-width) solid var(--hm-hover-card-border-color);
+  border-radius: var(--hm-hover-card-radius);
+  background: var(--hm-hover-card-background);
+  color: var(--hm-hover-card-text);
+  box-shadow: var(--hm-hover-card-shadow);
+  font-size: var(--hm-hover-card-font-size);
+  line-height: var(--hm-hover-card-line-height);
+  font-weight: var(--hm-hover-card-font-weight);
+  overflow-wrap: anywhere;
+}