Add anime and foss channel themes

Two new web-only channels alongside EU: anime (🌸 sakura pink #ec5e8a)
and foss (🐧 amber #d97706). Both get the full bg/text/decoration/
border/glow theme classes.

internal/web/server.go

@@ -36,6 +36,8 @@ var channels = []Channel{
 	{Slug: "politics", Title: "Politics", Theme: "politics", Emoji: "🏛️", Blurb: "Policy, power, and the news of the day."},
 	{Slug: "eu", Title: "EU", Theme: "eu", Emoji: "🇪🇺", Blurb: "Portugal and the wider European beat. Read-only — these stories don't post to Matrix."},
 	{Slug: "music", Title: "Music", Theme: "music", Emoji: "🎵", Blurb: "Records, scenes, and the artists shaping the sound."},
+	{Slug: "anime", Title: "Anime", Theme: "anime", Emoji: "🌸", Blurb: "Series, studios, and the wider world of anime and manga."},
+	{Slug: "foss", Title: "FOSS", Theme: "foss", Emoji: "🐧", Blurb: "Kernel, distros, and the wider free and open source software world."},
 }
 
 // Server is the HTTP server for Pete's web UI.

internal/web/static/css/input.css

@@ -60,24 +60,32 @@ html[data-phase="night"] {
   .bg-theme-politics  { background-color: #e07a5f; }
   .bg-theme-eu        { background-color: #003399; }
   .bg-theme-music     { background-color: #b079d6; }
+  .bg-theme-anime     { background-color: #ec5e8a; }
+  .bg-theme-foss      { background-color: #d97706; }
 
   .text-theme-gaming    { color: #2d8a5a; }
   .text-theme-tech      { color: #2f7fb8; }
   .text-theme-politics  { color: #b8523a; }
   .text-theme-eu        { color: #003399; }
   .text-theme-music     { color: #8a4fb8; }
+  .text-theme-anime     { color: #c33a6a; }
+  .text-theme-foss      { color: #b8530a; }
 
   .decoration-theme-gaming    { text-decoration-color: #4caf7d; }
   .decoration-theme-tech      { text-decoration-color: #5aa9e6; }
   .decoration-theme-politics  { text-decoration-color: #e07a5f; }
   .decoration-theme-eu        { text-decoration-color: #003399; }
   .decoration-theme-music     { text-decoration-color: #b079d6; }
+  .decoration-theme-anime     { text-decoration-color: #ec5e8a; }
+  .decoration-theme-foss      { text-decoration-color: #d97706; }
 
   .border-theme-gaming    { border-color: #4caf7d; }
   .border-theme-tech      { border-color: #5aa9e6; }
   .border-theme-politics  { border-color: #e07a5f; }
   .border-theme-eu        { border-color: #003399; }
   .border-theme-music     { border-color: #b079d6; }
+  .border-theme-anime     { border-color: #ec5e8a; }
+  .border-theme-foss      { border-color: #d97706; }
 
   /* "Posted to Matrix" glow — soft pulsing aura in the channel's theme color. */
   .glow-theme-gaming   { box-shadow: 0 0 0 2px rgba(76,175,125,0.35), 0 0 24px 4px rgba(76,175,125,0.45); animation: pete-glow-pulse 2.4s ease-in-out infinite; }
@@ -85,6 +93,8 @@ html[data-phase="night"] {
   .glow-theme-politics { box-shadow: 0 0 0 2px rgba(224,122,95,0.35), 0 0 24px 4px rgba(224,122,95,0.45); animation: pete-glow-pulse 2.4s ease-in-out infinite; }
   .glow-theme-eu       { box-shadow: 0 0 0 2px rgba(0,51,153,0.35), 0 0 24px 4px rgba(0,51,153,0.45); animation: pete-glow-pulse 2.4s ease-in-out infinite; }
   .glow-theme-music    { box-shadow: 0 0 0 2px rgba(176,121,214,0.35), 0 0 24px 4px rgba(176,121,214,0.45); animation: pete-glow-pulse 2.4s ease-in-out infinite; }
+  .glow-theme-anime    { box-shadow: 0 0 0 2px rgba(236,94,138,0.35), 0 0 24px 4px rgba(236,94,138,0.45); animation: pete-glow-pulse 2.4s ease-in-out infinite; }
+  .glow-theme-foss     { box-shadow: 0 0 0 2px rgba(217,119,6,0.35), 0 0 24px 4px rgba(217,119,6,0.45); animation: pete-glow-pulse 2.4s ease-in-out infinite; }
 
   @keyframes pete-glow-pulse {
     0%, 100% { filter: brightness(1); }