Обновить UI-кнопки и прокрутку

shine-UI/styles/components.css

@@ -6408,9 +6408,9 @@ html, body { overflow-x: hidden; }
 .dm-screen .bubble.out {
   justify-self: end;
   border-radius: 18px 18px 4px 18px;
-  border: 1px solid rgba(212, 175, 55, 0.38);
-  background: rgba(212, 175, 55, 0.16);
-  color: rgba(255, 236, 191, 0.96);
+  border: 1px solid rgba(83, 216, 251, 0.4);
+  background: rgba(83, 216, 251, 0.16);
+  color: rgba(225, 248, 255, 0.97);
   backdrop-filter: blur(20px);
   -webkit-backdrop-filter: blur(20px);
 }
@@ -8141,3 +8141,55 @@ html, body { overflow-x: hidden; }
 .notifications-screen .notification-card--clickable:active {
   transform: scale(0.99);
 }
+
+
+/* ===== Общая кнопка прокрутки ленты вниз ===== */
+.scroll-to-bottom-btn {
+  position: absolute;
+  right: 18px;
+  bottom: calc(var(--toolbar-height, 78px) + var(--composer-height, 0px) + 18px + env(safe-area-inset-bottom));
+  width: 48px;
+  height: 48px;
+  margin: 0;
+  padding: 0;
+  cursor: pointer;
+  -webkit-tap-highlight-color: transparent;
+  border-radius: 999px;
+  border: 1px solid rgba(212, 175, 55, 0.45);
+  background: linear-gradient(160deg, rgba(16, 24, 38, 0.94), rgba(12, 18, 30, 0.9));
+  color: rgba(255, 227, 150, 0.96);
+  box-shadow: 0 12px 26px rgba(3, 8, 18, 0.45), 0 0 20px rgba(212, 175, 55, 0.16);
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  z-index: 38;
+  opacity: 0;
+  pointer-events: none;
+  transform: translateY(8px);
+  transition: opacity 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
+}
+
+.scroll-to-bottom-btn.is-visible {
+  opacity: 1;
+  pointer-events: auto;
+  transform: translateY(0);
+}
+
+.scroll-to-bottom-btn:hover {
+  box-shadow: 0 14px 30px rgba(3, 8, 18, 0.55), 0 0 24px rgba(212, 175, 55, 0.22);
+}
+
+.scroll-to-bottom-btn:focus-visible {
+  outline: 2px solid rgba(255, 227, 150, 0.92);
+  outline-offset: 3px;
+}
+
+.scroll-to-bottom-btn__icon {
+  font-size: 22px;
+  line-height: 1;
+  transform: translateY(-1px);
+}
+
+body.chat-topbar-overlay .app-shell.keyboard-open .scroll-to-bottom-btn {
+  bottom: calc(var(--keyboard-offset, 0px) + var(--composer-height, 0px) + 18px);
+}