Initial commit — TANINUX (camel): management app + distro packaging

- app: GTK System Settings (tsettings) + Software Hub (thub) + TUI
- distro/: camel.toml manifest + MANIFEST.md (Arch + [tanin] repo model)
- packaging/: taninux, tanin-desktop (niri metapackage), tanin-greet,
  tanin-libadwaita, tanin-setup
- docs/, data/, LICENSE (GPL-3.0-or-later)

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

packaging/tanin-libadwaita/gtk-3.0/dark.css

@@ -0,0 +1,66 @@
+/* =========================================================================
+ * tanin-libadwaita — Fuji DARK recolour for GTK3 (rides on adw-gtk3-dark).
+ * Covers the gaps the libadwaita/GTK4 recolour can't reach: GTK3 apps
+ * (pavucontrol, nm-connection-editor, …). Same palette as the GTK4 dark.
+ * ========================================================================= */
+
+/* libadwaita-style names (adw-gtk3 honours these) */
+@define-color accent_color    #a39ec4;
+@define-color accent_bg_color #a39ec4;
+@define-color accent_fg_color #0f0f0f;
+@define-color window_bg_color #0f0f0f;
+@define-color window_fg_color #f0f0f0;
+@define-color view_bg_color   #141414;
+@define-color view_fg_color   #f0f0f0;
+@define-color headerbar_bg_color #0f0f0f;
+@define-color headerbar_fg_color #f0f0f0;
+@define-color card_bg_color   #191919;
+@define-color card_fg_color   #f0f0f0;
+@define-color popover_bg_color #191919;
+@define-color popover_fg_color #f0f0f0;
+@define-color dialog_bg_color #141414;
+@define-color dialog_fg_color #f0f0f0;
+@define-color sidebar_bg_color #131313;
+
+/* legacy GTK3 / Adwaita names */
+@define-color theme_bg_color   #0f0f0f;
+@define-color theme_fg_color   #f0f0f0;
+@define-color theme_base_color #141414;
+@define-color theme_text_color #f0f0f0;
+@define-color theme_selected_bg_color #a39ec4;
+@define-color theme_selected_fg_color #0f0f0f;
+@define-color insensitive_bg_color   #161616;
+@define-color insensitive_fg_color   #6a6a6a;
+@define-color insensitive_base_color #121212;
+@define-color borders rgba(240, 240, 240, 0.10);
+
+@define-color destructive_color #e0a3a3;
+@define-color success_color #9ec4a3;
+@define-color warning_color #c4bd9e;
+@define-color error_color   #e0a3a3;
+
+/* pill-shaped controls */
+button,
+entry,
+combobox button,
+spinbutton,
+notebook > header > tabs > tab { border-radius: 999px; }
+
+/* Force the Fuji accent. adw-gtk3 otherwise follows the GNOME accent-color
+ * gsetting (would stay blue), so we override the accented widgets explicitly. */
+scale highlight,
+scale trough progress,
+progressbar progress,
+levelbar block.filled { background-color: @accent_color; }
+checkbutton check:checked,
+radiobutton radio:checked,
+check:checked, radio:checked { background-color: @accent_color; border-color: @accent_color; }
+switch:checked { background-color: @accent_color; }
+notebook > header tab:checked { box-shadow: inset 0 -3px @accent_color; }
+notebook > header tab:checked label { color: @accent_color; }
+row:selected, list row:selected,
+treeview.view:selected, .view:selected,
+menuitem:hover, menu menuitem:hover,
+*:selected { background-color: @accent_color; color: @accent_fg_color; }
+button.suggested-action { background-color: @accent_color; color: @accent_fg_color; }
+entry:focus, entry:focus-within { border-color: @accent_color; }

packaging/tanin-libadwaita/gtk-3.0/light.css

@@ -0,0 +1,65 @@
+/* =========================================================================
+ * tanin-libadwaita — Fuji LIGHT recolour for GTK3 (rides on adw-gtk3).
+ * Same warm Fuji light palette as the GTK4 light variant.
+ * ========================================================================= */
+
+/* libadwaita-style names (adw-gtk3 honours these) */
+@define-color accent_color    #6f67a8;
+@define-color accent_bg_color #6f67a8;
+@define-color accent_fg_color #ffffff;
+@define-color window_bg_color #f3f1ec;
+@define-color window_fg_color #2a2926;
+@define-color view_bg_color   #faf8f4;
+@define-color view_fg_color   #2a2926;
+@define-color headerbar_bg_color #ece8e1;
+@define-color headerbar_fg_color #2a2926;
+@define-color card_bg_color   #ffffff;
+@define-color card_fg_color   #2a2926;
+@define-color popover_bg_color #ffffff;
+@define-color popover_fg_color #2a2926;
+@define-color dialog_bg_color #faf8f4;
+@define-color dialog_fg_color #2a2926;
+@define-color sidebar_bg_color #ece8e1;
+
+/* legacy GTK3 / Adwaita names */
+@define-color theme_bg_color   #f3f1ec;
+@define-color theme_fg_color   #2a2926;
+@define-color theme_base_color #faf8f4;
+@define-color theme_text_color #2a2926;
+@define-color theme_selected_bg_color #6f67a8;
+@define-color theme_selected_fg_color #ffffff;
+@define-color insensitive_bg_color   #ebe7e0;
+@define-color insensitive_fg_color   #9b968c;
+@define-color insensitive_base_color #f1eee8;
+@define-color borders rgba(0, 0, 0, 0.12);
+
+@define-color destructive_color #b04848;
+@define-color success_color #4f7a57;
+@define-color warning_color #8a7f3a;
+@define-color error_color   #b04848;
+
+/* pill-shaped controls */
+button,
+entry,
+combobox button,
+spinbutton,
+notebook > header > tabs > tab { border-radius: 999px; }
+
+/* Force the Fuji accent. adw-gtk3 otherwise follows the GNOME accent-color
+ * gsetting, so we override the accented widgets explicitly. */
+scale highlight,
+scale trough progress,
+progressbar progress,
+levelbar block.filled { background-color: @accent_color; }
+checkbutton check:checked,
+radiobutton radio:checked,
+check:checked, radio:checked { background-color: @accent_color; border-color: @accent_color; }
+switch:checked { background-color: @accent_color; }
+notebook > header tab:checked { box-shadow: inset 0 -3px @accent_color; }
+notebook > header tab:checked label { color: @accent_color; }
+row:selected, list row:selected,
+treeview.view:selected, .view:selected,
+menuitem:hover, menu menuitem:hover,
+*:selected { background-color: @accent_color; color: @accent_fg_color; }
+button.suggested-action { background-color: @accent_color; color: @accent_fg_color; }
+entry:focus, entry:focus-within { border-color: @accent_color; }