feat: theme support for the spotter

Allows changing the colors of sxyazi#1802.
Fixes sxyazi#1986.

yazi-config/preset/theme-dark.toml

@@ -128,6 +128,14 @@ btn_labels = [ "  [Y]es  ", "  (N)o  " ]
 # : }}}
 
 
+# : Spot {{{
+
+[spot]
+border = { fg = "blue" }
+title  = { fg = "blue" }
+
+# : }}}
+
 # : Completion {{{
 
 [completion]

yazi-config/preset/theme-light.toml

@@ -128,6 +128,15 @@ btn_labels = [ "  [Y]es  ", "  (N)o  " ]
 # : }}}
 
 
+# : Spot {{{
+
+[spot]
+border = { fg = "blue" }
+title  = { fg = "blue" }
+
+# : }}}
+
+
 # : Completion {{{
 
 [completion]

yazi-config/src/theme/theme.rs

@@ -15,6 +15,7 @@ pub struct Theme {
 	status:         Status,
 	pub input:      Input,
 	pub confirm:    Confirm,
+	pub spot:       Spot,
 	pub pick:       Pick,
 	pub completion: Completion,
 	pub tasks:      Tasks,
@@ -127,6 +128,12 @@ pub struct Confirm {
 	pub btn_labels: [String; 2],
 }
 
+#[derive(Deserialize, Serialize)]
+pub struct Spot {
+	pub border: Style,
+	pub title:  Style,
+}
+
 #[derive(Deserialize, Serialize)]
 pub struct Pick {
 	pub border:   Style,

yazi-plugin/src/utils/spot.rs

@@ -1,5 +1,5 @@
 use mlua::{AnyUserData, Function, Lua, Table};
-use ratatui::style::Stylize;
+use yazi_config::THEME;
 use yazi_macro::emit;
 use yazi_shared::{Layer, event::Cmd};
 
@@ -70,10 +70,10 @@ impl Utils {
 					area,
 					position: ratatui::widgets::Borders::ALL,
 					type_: ratatui::widgets::BorderType::Rounded,
-					style: ratatui::style::Style::default().blue(),
+					style: ratatui::style::Style::from(THEME.spot.border),
 					titles: vec![(
 						ratatui::widgets::block::Position::Top,
-						ratatui::text::Line::raw(lock.url.name().to_string_lossy().into_owned()).centered(),
+						ratatui::text::Line::raw(lock.url.name().to_string_lossy().into_owned()).centered().style(THEME.spot.title),
 					)],
 				}),
 				Renderable::Table(table),