feat(ui,store): live today clock, rail as lane filter, b toggle, quick look on space

src/tailwind.css

@@ -243,6 +243,62 @@
   vertical-align: text-bottom;
 }
 
+/* The quick look reads the whole card, so here markdown keeps its blocks. */
+.bcal-root.bcal-root .bcal-prose > * + * {
+  margin-top: 0.45em;
+}
+
+.bcal-root.bcal-root .bcal-prose :is(ul, ol) {
+  padding-left: 1.25em;
+  list-style: disc;
+}
+
+.bcal-root.bcal-root .bcal-prose ol {
+  list-style: decimal;
+}
+
+.bcal-root.bcal-root .bcal-prose li + li {
+  margin-top: 0.2em;
+}
+
+.bcal-root.bcal-root .bcal-prose li.task-list-item {
+  list-style: none;
+  margin-left: -1.25em;
+}
+
+.bcal-root.bcal-root .bcal-prose input.task-list-item-checkbox {
+  margin: 0 0.4em 0 0;
+  vertical-align: -0.15em;
+  pointer-events: none;
+}
+
+.bcal-root.bcal-root .bcal-prose a {
+  color: var(--link-color, var(--color-accent));
+  text-decoration: none;
+}
+
+.bcal-root.bcal-root .bcal-prose a:hover {
+  text-decoration: underline;
+}
+
+.bcal-root.bcal-root .bcal-prose code {
+  padding: 0 0.25em;
+  font-size: 0.9em;
+  background: var(--secondary);
+  border-radius: var(--radius-sm);
+}
+
+.bcal-root.bcal-root .bcal-prose :is(img, .internal-embed) {
+  max-width: 100%;
+  border-radius: var(--radius-md);
+}
+
+.bcal-root.bcal-root .bcal-prose blockquote {
+  padding-left: 0.75em;
+  border-left: 1px solid var(--border);
+  color: var(--muted-foreground);
+}
+
 .bcal-root.bcal-root .bcal-dragging {
   position: relative;
   z-index: 40;
@@ -261,6 +317,18 @@
   font-variant-numeric: tabular-nums;
 }
 
+/* A lane's gate in the rail: the project's hue as a filled check. */
+@utility gate-hue {
+  color: white;
+  background: oklch(0.58 0.11 var(--hue));
+  border-color: oklch(0.58 0.11 var(--hue));
+  .theme-dark & {
+    background: oklch(0.66 0.11 var(--hue));
+    border-color: oklch(0.66 0.11 var(--hue));
+    color: oklch(0.2 0.02 var(--hue));
+  }
+}
+
 @utility hue-chip {
   color: oklch(0.45 0.13 var(--hue));
   background: oklch(0.6 0.09 var(--hue) / 0.12);