Restore themed Hyprland gradients

default/themed/hyprland.lua.tpl

@@ -1,15 +1,18 @@
-local active_border_color = "rgb({{ accent_strip }})"
+local active_border_color = {{ hypr_gradient hyprland_active_border accent }}
+local inactive_border_color = {{ hypr_gradient hyprland_inactive_border rgba(595959aa) }}
 
 hl.config({
   general = {
     col = {
       active_border = active_border_color,
+      inactive_border = inactive_border_color,
     },
   },
 
   group = {
     col = {
       border_active = active_border_color,
+      border_inactive = inactive_border_color,
     },
   },
 })

default/themed/shell.toml.tpl

@@ -126,8 +126,10 @@ border-alpha     = 1.0
 background       = "{{ background }}"
 background-alpha = 1.0
 text             = "{{ foreground }}"
-# Conventionally matches the Hyprland active-window border
-border           = "{{ accent }}"
+# Conventionally matches the Hyprland active-window border. If a theme
+# defines a gradient active border, the shell uses its first stop because
+# QML Rectangle borders are flat colors.
+border           = "{{ gradient_start hyprland_active_border accent }}"
 border-alpha     = 1.0
 countdown        = "{{ accent }}"