9 files changed, 114 insertions, 24 deletions
diff --git a/src/frontend/app/AppContext.tsx b/src/frontend/app/AppContext.tsx
index e6d8971..9013463 100644
--- a/src/frontend/app/AppContext.tsx
+++ b/src/frontend/app/AppContext.tsx
@@ -8,7 +8,7 @@ import {
 } from "react";
 import { type LngLatLike } from "maplibre-gl";
 
-type Theme = "light" | "dark";
+export type Theme = "light" | "dark" | "system";
 type TableStyle = "regular" | "grouped";
 type MapPositionMode = "gps" | "last";
 
@@ -47,23 +47,75 @@ const AppContext = createContext<AppContextProps | undefined>(undefined);
 
 export const AppProvider = ({ children }: { children: ReactNode }) => {
   //#region Theme
+  const getPreferredScheme = () => {
+    if (typeof window === "undefined" || !window.matchMedia) {
+      return "light" as const;
+    }
+    return window.matchMedia("(prefers-color-scheme: dark)").matches
+      ? "dark"
+      : "light";
+  };
+
+  const [systemTheme, setSystemTheme] = useState<"light" | "dark">(
+    getPreferredScheme,
+  );
+
   const [theme, setTheme] = useState<Theme>(() => {
     const savedTheme = localStorage.getItem("theme");
-    if (savedTheme) {
-      return savedTheme as Theme;
+    if (savedTheme === "light" || savedTheme === "dark" || savedTheme === "system") {
+      return savedTheme;
     }
-    const prefersDark =
-      window.matchMedia &&
-      window.matchMedia("(prefers-color-scheme: dark)").matches;
-    return prefersDark ? "dark" : "light";
+    return "system";
   });
 
+  useEffect(() => {
+    if (typeof window === "undefined" || !window.matchMedia) {
+      return;
+    }
+
+    const media = window.matchMedia("(prefers-color-scheme: dark)");
+    const handleChange = (event: MediaQueryListEvent) => {
+      setSystemTheme(event.matches ? "dark" : "light");
+    };
+
+    // Sync immediately in case theme changed before subscription
+    setSystemTheme(media.matches ? "dark" : "light");
+
+    if (media.addEventListener) {
+      media.addEventListener("change", handleChange);
+    } else {
+      media.addListener(handleChange);
+    }
+
+    return () => {
+      if (media.removeEventListener) {
+        media.removeEventListener("change", handleChange);
+      } else {
+        media.removeListener(handleChange);
+      }
+    };
+  }, []);
+
+  const resolvedTheme = theme === "system" ? systemTheme : theme;
+
   const toggleTheme = () => {
-    setTheme((prevTheme) => (prevTheme === "light" ? "dark" : "light"));
+    setTheme((prevTheme) => {
+      if (prevTheme === "light") {
+        return "dark";
+      }
+      if (prevTheme === "dark") {
+        return "system";
+      }
+      return "light";
+    });
   };
 
   useEffect(() => {
-    document.documentElement.setAttribute("data-theme", theme);
+    document.documentElement.setAttribute("data-theme", resolvedTheme);
+    document.documentElement.style.colorScheme = resolvedTheme;
+  }, [resolvedTheme]);
+
+  useEffect(() => {
     localStorage.setItem("theme", theme);
   }, [theme]);
   //#endregion
diff --git a/src/frontend/app/i18n/locales/en-GB.json b/src/frontend/app/i18n/locales/en-GB.json
index ee8ec7a..4d0c91b 100644
--- a/src/frontend/app/i18n/locales/en-GB.json
+++ b/src/frontend/app/i18n/locales/en-GB.json
@@ -9,8 +9,9 @@
     "data_source_middle": "under license",
     "settings": "Settings",
     "theme": "Mode:",
-    "theme_light": "Light",
-    "theme_dark": "Dark",
+  "theme_light": "Light",
+  "theme_dark": "Dark",
+  "theme_system": "System",
     "table_style": "Table style:",
     "table_style_regular": "Show in order",
     "table_style_grouped": "Group by line",
diff --git a/src/frontend/app/i18n/locales/es-ES.json b/src/frontend/app/i18n/locales/es-ES.json
index a152564..0915361 100644
--- a/src/frontend/app/i18n/locales/es-ES.json
+++ b/src/frontend/app/i18n/locales/es-ES.json
@@ -9,8 +9,9 @@
     "data_source_middle": "bajo licencia",
     "settings": "Ajustes",
     "theme": "Modo:",
-    "theme_light": "Claro",
-    "theme_dark": "Oscuro",
+  "theme_light": "Claro",
+  "theme_dark": "Oscuro",
+  "theme_system": "Sistema",
     "table_style": "Estilo de tabla:",
     "table_style_regular": "Mostrar por orden",
     "table_style_grouped": "Agrupar por línea",
diff --git a/src/frontend/app/i18n/locales/gl-ES.json b/src/frontend/app/i18n/locales/gl-ES.json
index b683fc0..8949333 100644
--- a/src/frontend/app/i18n/locales/gl-ES.json
+++ b/src/frontend/app/i18n/locales/gl-ES.json
@@ -9,8 +9,9 @@
     "data_source_middle": "baixo licenza",
     "settings": "Axustes",
     "theme": "Modo:",
-    "theme_light": "Claro",
-    "theme_dark": "Escuro",
+  "theme_light": "Claro",
+  "theme_dark": "Escuro",
+  "theme_system": "Sistema",
     "table_style": "Estilo de táboa:",
     "table_style_regular": "Mostrar por orde",
     "table_style_grouped": "Agrupar por liña",
diff --git a/src/frontend/app/maps/styleloader.ts b/src/frontend/app/maps/styleloader.ts
index cf285a5..08086f1 100644
--- a/src/frontend/app/maps/styleloader.ts
+++ b/src/frontend/app/maps/styleloader.ts
@@ -1,9 +1,22 @@
 import type { StyleSpecification } from "react-map-gl/maplibre";
+import type { Theme } from "~/AppContext";
 
 export async function loadStyle(
   styleName: string,
-  colorScheme: string,
+  colorScheme: Theme,
 ): Promise<StyleSpecification> {
+  if (styleName == "openfreemap") {
+    const url = "/maps/styles/openfreemap-any.json";
+
+    const resp = await fetch(url);
+    if (!resp.ok) {
+      throw new Error(`Failed to load style: ${url}`);
+    }
+
+    const style = await resp.json();
+    return style as StyleSpecification;
+   }
+
   const stylePath = `/maps/styles/${styleName}-${colorScheme}.json`;
   const resp = await fetch(stylePath);
 
diff --git a/src/frontend/app/root.css b/src/frontend/app/root.css
index b77f44d..202e6f1 100644
--- a/src/frontend/app/root.css
+++ b/src/frontend/app/root.css
@@ -10,6 +10,7 @@
   --star-color: #ffcc00;
   --message-background-color: #f8f9fa;
 
+  color-scheme: light;
   font-family: "Roboto Variable", Roboto, Arial, sans-serif;
 }
 
@@ -24,6 +25,8 @@
   --button-disabled-background-color: #555555;
   --star-color: #ffcc00;
   --message-background-color: #333333;
+
+  color-scheme: dark;
 }
 
 body {
diff --git a/src/frontend/app/routes/map.tsx b/src/frontend/app/routes/map.tsx
index 5887b9c..56a9c79 100644
--- a/src/frontend/app/routes/map.tsx
+++ b/src/frontend/app/routes/map.tsx
@@ -73,7 +73,8 @@ export default function StopMap() {
   }, []);
 
   useEffect(() => {
-    const styleName = "carto";
+    //const styleName = "carto";
+    const styleName = "openfreemap";
     loadStyle(styleName, theme)
       .then((style) => setMapStyle(style))
       .catch((error) => console.error("Failed to load map style:", error));
@@ -158,12 +159,33 @@ export default function StopMap() {
         source="stops-source"
         layout={{
           "icon-image": "stop",
-          "icon-size": ["interpolate", ["linear"], ["zoom"], 11, 0.4, 16, 0.8],
+          "icon-size": ["interpolate", ["linear"], ["zoom"], 11, 0.4, 18, 0.8],
           "icon-allow-overlap": true,
           "icon-ignore-placement": true,
         }}
       />
 
+      <Layer
+        id="stops-label"
+        type="symbol"
+        source="stops-source"
+        minzoom={16}
+        layout={{
+          "text-field": ["get", "name"],
+          "text-font": ["Noto Sans Regular"],
+          "text-offset": [0, 2.5],
+          "text-anchor": "center",
+          "text-justify": "center",
+          "text-size": ["interpolate", ["linear"], ["zoom"], 11, 8, 22, 14]
+        }}
+        paint={{
+          "text-color": "#45a15a",
+          "text-halo-color": "#fff",
+          "text-halo-width": 1.5
+        }}
+      />
+
+
       {selectedStop && (
         <StopSheet
           isOpen={isSheetOpen}
diff --git a/src/frontend/app/routes/settings.css b/src/frontend/app/routes/settings.css
index 47de391..ef9fbd5 100644
--- a/src/frontend/app/routes/settings.css
+++ b/src/frontend/app/routes/settings.css
@@ -51,7 +51,6 @@
   margin-left: 0.5em;
   padding: 0.5rem;
   font-size: 1rem;
-  border: 1px solid var(--border-color);
   border-radius: 8px;
 }
 
diff --git a/src/frontend/app/routes/settings.tsx b/src/frontend/app/routes/settings.tsx
index 3bc3492..bcda311 100644
--- a/src/frontend/app/routes/settings.tsx
+++ b/src/frontend/app/routes/settings.tsx
@@ -1,4 +1,4 @@
-import { useApp } from "../AppContext";
+import { type Theme, useApp } from "../AppContext";
 import "./settings.css";
 import { useTranslation } from "react-i18next";
 import { useState } from "react";
@@ -14,9 +14,6 @@ export default function Settings() {
     setMapPositionMode,
   } = useApp();
 
-  const [isCheckingUpdates, setIsCheckingUpdates] = useState(false);
-  const [updateMessage, setUpdateMessage] = useState<string | null>(null);
-
   return (
     <div className="page-container">
       <h1 className="page-title">{t("about.title")}</h1>
@@ -31,10 +28,11 @@ export default function Settings() {
             id="theme"
             className="form-select-inline"
             value={theme}
-            onChange={(e) => setTheme(e.target.value as "light" | "dark")}
+            onChange={(e) => setTheme(e.target.value as Theme)}
           >
             <option value="light">{t("about.theme_light")}</option>
             <option value="dark">{t("about.theme_dark")}</option>
+            <option value="system">{t("about.theme_system")}</option>
           </select>
         </div>
         <div className="settings-content-inline">