feat(ui): add InfoPopover — viewport-aware metric help via Floating UI

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-07-22 15:36:23 +01:00
parent ddb42badb6
commit 1d9d2eb5ae
3 changed files with 234 additions and 0 deletions
@@ -0,0 +1,77 @@
+.icon {
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  min-width: 24px;
+  min-height: 24px;
+  margin: -6px 0;
+  padding: 0;
+  border: none;
+  background: none;
+  /* font-size:0 hides the button's own "?" text node; the ::before glyph
+     below carries the visible circled "?" at its own explicit size. */
+  font-size: 0;
+  color: var(--text-muted, #8a7a72);
+  cursor: help;
+  line-height: 1;
+  user-select: none;
+  transition: color 0.15s ease;
+}
+
+/* The visible affordance: a small circled "?" centred in the 24px target. */
+.icon::before {
+  content: '?';
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  width: 15px;
+  height: 15px;
+  border-radius: 50%;
+  border: 1px solid currentColor;
+  font-size: 0.65rem;
+}
+
+.icon:hover,
+.icon[aria-expanded='true'],
+.icon:focus-visible {
+  color: var(--accent-coral-dark, #b04a2e);
+}
+
+.tooltip {
+  z-index: 9999;
+  width: max-content;
+  max-width: min(260px, calc(100vw - 24px));
+  background: var(--bg-primary, #faf7f2);
+  border: 1px solid var(--border-color, #e8ddd4);
+  border-radius: 10px;
+  box-shadow: 0 4px 16px rgba(44, 36, 32, 0.15);
+  padding: 0.6rem 0.75rem;
+  display: flex;
+  flex-direction: column;
+  gap: 0.3rem;
+}
+
+.arrow {
+  fill: var(--bg-primary, #faf7f2);
+  stroke: var(--border-color, #e8ddd4);
+  stroke-width: 1px;
+}
+
+.label {
+  font-weight: 600;
+  font-size: 0.75rem;
+  color: var(--text-primary, #2c2420);
+}
+
+.plain {
+  font-size: 0.75rem;
+  color: var(--text-secondary, #5a4a44);
+  line-height: 1.4;
+}
+
+.detail {
+  font-size: 0.7rem;
+  color: var(--text-muted, #8a7a72);
+  line-height: 1.4;
+  margin-top: 0.1rem;
+}