feat: Implement view transitions for smoother navigation

- Added `useViewTransitions` hook to enable view transitions in the app.
- Created `useNavigateWithTransition` for navigation with transitions.
- Integrated view transitions in `ClientRoot`, `HomeTab`, `InboxTab`, and `SettingsTab`.
- Introduced `AnimatedOutlet` and `RouteTransition` components for route-based animations.
- Enhanced CSS for transitions and added a new `twilightTheme`.
- Updated Vite configuration to serve sound and font assets.
- Added support for reaction notifications in the room utility.
- Created `DirectList` and related components for direct messaging functionality.

src/index.css

@@ -48,7 +48,8 @@
 .dark-theme,
 .butter-theme,
 .discord-theme,
-.discord-darker-theme {
+.discord-darker-theme,
+.twilight-theme {
   --tc-link: hsl(213deg 100% 80%);
 
   --mx-uc-1: hsl(208, 100%, 75%);
@@ -111,6 +112,9 @@ body.discord-theme {
 body.discord-darker-theme {
   background-color: #1E1F22;
 }
+body.twilight-theme {
+  background: linear-gradient(135deg, #14121F 0%, #1C1A2E 50%, #24223D 100%);
+}
 #root {
   width: 100%;
   height: 100%;
@@ -119,6 +123,160 @@ body.discord-darker-theme {
   background-color: #262626;
 }
 
+.twilight-theme #root {
+  background: linear-gradient(180deg, rgba(28, 26, 46, 0.5) 0%, rgba(36, 34, 61, 0.3) 100%);
+}
+
+/* Twilight theme gradient overlays */
+.twilight-theme [role="navigation"],
+.twilight-theme aside {
+  background: linear-gradient(180deg, rgba(20, 18, 31, 0.8) 0%, rgba(28, 26, 46, 0.9) 100%);
+  backdrop-filter: blur(8px);
+}
+
+.twilight-theme main {
+  background: linear-gradient(135deg, rgba(24, 22, 45, 0.4) 0%, rgba(36, 34, 61, 0.3) 100%);
+}
+
+.twilight-theme header {
+  background: linear-gradient(90deg, rgba(20, 18, 31, 0.9) 0%, rgba(28, 26, 46, 0.8) 100%);
+}
+
+/* CSS animations for route transitions */
+@keyframes fadeSlideIn {
+  from {
+    opacity: 0;
+    transform: translateX(20px);
+  }
+  to {
+    opacity: 1;
+    transform: translateX(0);
+  }
+}
+
+@keyframes fadeIn {
+  from {
+    opacity: 0;
+  }
+  to {
+    opacity: 1;
+  }
+}
+
+/* Apply transition to route changes - works on ALL themes */
+[data-route-transition="true"] {
+  animation: fadeSlideIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
+}
+
+/* Twilight theme enhanced transitions */
+.twilight-theme [data-route-transition="true"] {
+  animation: fadeSlideIn 0.35s cubic-bezier(0.4, 0, 0.2, 1);
+}
+
+/* Also apply to main content areas for double coverage */
+.twilight-theme [data-room-view],
+.twilight-theme [data-space-view],
+.twilight-theme [data-inbox-view],
+.twilight-theme [data-explore-view] {
+  animation: fadeSlideIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
+}
+
+/* Smooth transitions for interactive elements */
+.twilight-theme button,
+.twilight-theme [role="button"],
+.twilight-theme a,
+.twilight-theme input,
+.twilight-theme textarea {
+  transition: background-color 0.2s ease, color 0.2s ease, transform 0.15s ease;
+}
+
+.twilight-theme button:hover,
+.twilight-theme [role="button"]:hover {
+  transform: translateY(-1px);
+}
+
+.twilight-theme button:active,
+.twilight-theme [role="button"]:active {
+  transform: translateY(0);
+}
+
+/* Message transitions */
+.twilight-theme [data-message-item] {
+  transition: background-color 0.2s ease, transform 0.2s ease;
+}
+
+.twilight-theme [data-message-item]:hover {
+  background: linear-gradient(90deg, rgba(62, 58, 106, 0.15) 0%, rgba(86, 80, 150, 0.1) 100%);
+  transform: translateX(2px);
+}
+
+/* Selected item indicator */
+.twilight-theme [data-selected="true"],
+.twilight-theme [aria-selected="true"],
+.twilight-theme [aria-current="true"] {
+  position: relative;
+  transition: all 0.2s ease;
+}
+
+.twilight-theme [data-selected="true"]::before,
+.twilight-theme [aria-selected="true"]::before,
+.twilight-theme [aria-current="true"]::before {
+  content: '';
+  position: absolute;
+  left: 0;
+  top: 0;
+  bottom: 0;
+  width: 3px;
+  background: linear-gradient(180deg, #8B7FFF 0%, #6E62E8 100%);
+  transition: width 0.2s ease;
+}
+
+/* Scrollbar styling */
+.twilight-theme ::-webkit-scrollbar {
+  width: 10px;
+  height: 10px;
+}
+
+.twilight-theme ::-webkit-scrollbar-track {
+  background: rgba(20, 18, 31, 0.5);
+}
+
+.twilight-theme ::-webkit-scrollbar-thumb {
+  background: linear-gradient(180deg, #3E3A6A 0%, #565096 100%);
+  border-radius: 5px;
+  border: 2px solid rgba(20, 18, 31, 0.5);
+  transition: background 0.2s ease;
+}
+
+.twilight-theme ::-webkit-scrollbar-thumb:hover {
+  background: linear-gradient(180deg, #4A4580 0%, #625BAC 100%);
+}
+
+/* Subtle dot pattern overlay */
+.twilight-theme::after {
+  content: '';
+  position: fixed;
+  inset: 0;
+  background-image: radial-gradient(rgba(139, 127, 255, 0.03) 1px, transparent 1px);
+  background-size: 24px 24px;
+  pointer-events: none;
+  z-index: 0;
+}
+
+.twilight-theme #root {
+  position: relative;
+  z-index: 1;
+}
+
+/* Focus states */
+.twilight-theme input:focus,
+.twilight-theme textarea:focus,
+.twilight-theme button:focus-visible {
+  outline: 2px solid rgba(139, 127, 255, 0.5);
+  outline-offset: 2px;
+  transition: outline 0.2s ease;
+}
+
 *,
 *::before,
 *::after {