Add Moonbase theme

A warm dark theme with gold (#d4a039) accents on deep charcoal
backgrounds (#0a0a09/#141413). Features muted cream text (#e5ddd3),
copper error states (#c45c3c), and subtle earthy secondary tones.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

ui/src/themes/index.js

@@ -14,6 +14,7 @@ import NuclearTheme from './nuclear'
 import AmusicTheme from './amusic'
 import SquiddiesGlassTheme from './SquiddiesGlass'
 import NautilineTheme from './nautiline'
+import MoonbaseTheme from './moonbase'
 
 export default {
   // Classic default themes
@@ -30,6 +31,7 @@ export default {
   GruvboxDarkTheme,
   LigeraTheme,
   MonokaiTheme,
+  MoonbaseTheme,
   NautilineTheme,
   NordTheme,
   NuclearTheme,

ui/src/themes/moonbase.css.js

@@ -0,0 +1,63 @@
+const stylesheet = `
+
+.react-jinke-music-player-main svg:active, .react-jinke-music-player-main svg:hover {
+    color: #d4a039
+}
+
+.react-jinke-music-player-main .music-player-panel .panel-content .rc-slider-handle, .react-jinke-music-player-main .music-player-panel .panel-content .rc-slider-track {
+    background-color: #d4a039;
+    border-color: #b8862e
+}
+
+.react-jinke-music-player-main ::-webkit-scrollbar-thumb {
+    background-color: #d4a039;
+}
+
+.react-jinke-music-player-main .music-player-panel .panel-content .rc-slider-handle:active {
+    box-shadow: 0 0 2px #d4a039
+}
+
+.react-jinke-music-player-main .audio-item.playing svg {
+    color: #d4a039
+}
+
+.react-jinke-music-player-main .audio-item.playing .player-singer {
+    color: #d4a039 !important
+}
+
+.react-jinke-music-player-main .rc-slider-rail {
+    background-color: #2a2a27 !important
+}
+
+.react-jinke-music-player-main .lyric-btn {
+    color: #e5ddd3 !important
+}
+
+.react-jinke-music-player-main .music-player-panel {
+    color: #e5ddd3 !important
+}
+
+.react-jinke-music-player-main .lyric-btn-active svg {
+    color: #d4a039 !important
+}
+
+.music-player-lyric {
+    color: #d4a039 !important
+}
+
+.audio-lists-panel-content .audio-item.playing, .audio-lists-panel-content .audio-item.playing svg {
+    color: #d4a039
+}
+.audio-lists-panel-content .audio-item:active .group:not([class=".player-delete"]) svg, .audio-lists-panel-content .audio-item:hover .group:not([class=".player-delete"]) svg {
+    color: #d4a039
+}
+
+.progress-bar-content .audio-title a {
+    color: #e5ddd3
+}
+
+.MuiCheckbox-colorSecondary.Mui-checked {
+    color: #d4a039 !important
+}
+`
+export default stylesheet

ui/src/themes/moonbase.js

@@ -0,0 +1,96 @@
+import stylesheet from './moonbase.css.js'
+
+export default {
+  themeName: 'Moonbase',
+  palette: {
+    primary: {
+      main: '#d4a039',
+    },
+    secondary: {
+      main: '#1e1e1c',
+      contrastText: '#e5ddd3',
+    },
+    type: 'dark',
+    background: {
+      default: '#0a0a09',
+    },
+  },
+  overrides: {
+    MuiPaper: {
+      root: {
+        color: '#e5ddd3',
+        backgroundColor: '#141413',
+      },
+    },
+    MuiButton: {
+      textPrimary: {
+        color: '#d4a039',
+      },
+      textSecondary: {
+        color: '#e5ddd3',
+      },
+    },
+    MuiChip: {
+      clickable: {
+        background: '#1e1e1c',
+      },
+    },
+    MuiFormGroup: {
+      root: {
+        color: '#e5ddd3',
+      },
+    },
+    MuiFormHelperText: {
+      root: {
+        Mui: {
+          error: {
+            color: '#c45c3c',
+          },
+        },
+      },
+    },
+    MuiTableHead: {
+      root: {
+        color: '#8a8278',
+        background: '#0a0a09 !important',
+      },
+    },
+    MuiTableCell: {
+      root: {
+        color: '#e5ddd3',
+        background: '#141413 !important',
+      },
+      head: {
+        color: '#8a8278',
+        background: '#0a0a09 !important',
+      },
+    },
+    NDLogin: {
+      systemNameLink: {
+        color: '#d4a039',
+      },
+      icon: {},
+      welcome: {
+        color: '#e5ddd3',
+      },
+      card: {
+        minWidth: 300,
+        background: '#1e1e1c',
+      },
+      avatar: {},
+      button: {
+        boxShadow: '3px 3px 5px #0a0a09',
+      },
+    },
+    NDMobileArtistDetails: {
+      bgContainer: {
+        background:
+          'linear-gradient(to bottom, rgba(10 10 9 / 72%), rgb(20 20 19))!important',
+      },
+    },
+  },
+  player: {
+    theme: 'dark',
+    stylesheet,
+  },
+}