h8r4npp3p: Add the new-posts pill, feed list motion and app-wide reduced-motion switch-off

2026-10-19 22:24:38 -06:00
parent f250cdf09c
commit 5e391ae678
10 changed files with 150 additions and 26 deletions
@@ -0,0 +1,63 @@
+/*
+ * Feed list: scroll snap, the new-posts pill and the loading-more skeleton
+ * (spec "Feed list", ADR 0001). Prefixed `feed-` classes, tokens only.
+ */
+.feed .feed-list { scroll-snap-type: y proximity; }
+
+.feed-message { text-align: center; color: var(--ink-3); padding: 32px 16px; }
+.feed-message button { margin-top: 8px; }
+.feed-center { display: grid; place-items: center; padding: 16px; }
+.sentinel { height: 1px; }
+
+.spinner { width: 24px; height: 24px; border: 3px solid var(--line); border-top-color: var(--accent); border-radius: 50%; animation: spin .8s linear infinite; }
+@keyframes spin { to { transform: rotate(360deg); } }
+
+/* The pill floats at the top center of the list. The zero-height sticky
+   wrapper takes the entrance animation, so the button keeps its own transforms
+   (hover expand, press). */
+.feed-pill {
+  position: sticky;
+  top: 12px;
+  z-index: 4;
+  display: flex;
+  justify-content: center;
+  height: 0;
+  margin-bottom: -16px;
+  overflow: visible;
+  animation: feed-pill-in .45s var(--ease) backwards;
+}
+.feed-pill .btn-grow { flex: none; }
+@keyframes feed-pill-in { from { opacity: 0; transform: translateY(-10px) scale(.96); } to { opacity: 1; transform: none; } }
+
+/* Skeleton card: same footprint as a post, with a shimmer band sweeping over it. */
+.feed-skel {
+  flex: none;
+  position: relative;
+  overflow: hidden;
+  display: flex;
+  flex-direction: column;
+  gap: 12px;
+  padding: 16px;
+  background: var(--tile);
+  border: 1px solid var(--line);
+  border-radius: var(--r-card);
+  scroll-snap-align: none;
+}
+.feed-skel::after {
+  content: "";
+  position: absolute;
+  inset: 0;
+  background: linear-gradient(100deg, transparent 20%, color-mix(in srgb, var(--ink), transparent 90%) 50%, transparent 80%);
+  transform: translateX(-100%);
+  animation: feed-shimmer 1.4s ease-in-out infinite;
+}
+@keyframes feed-shimmer { to { transform: translateX(100%); } }
+.feed-skel-head { display: flex; align-items: center; gap: 12px; }
+.feed-skel-lines { display: flex; flex-direction: column; gap: 6px; flex: 1; }
+.feed-skel-dot { width: 40px; height: 40px; border-radius: 50%; background: var(--tile-3); flex: none; }
+.feed-skel-line { display: block; height: 12px; border-radius: 6px; background: var(--tile-3); }
+.feed-skel-w25 { width: 25%; }
+.feed-skel-w40 { width: 40%; }
+.feed-skel-w80 { width: 80%; }
+.feed-skel-w100 { width: 100%; }
+.feed-skel-media { display: block; aspect-ratio: 16 / 9; border-radius: 12px; background: var(--tile-3); }