feat: integrate ThemeToggle component and fix module visibility errors

frontend/src/app.rs

@@ -7,10 +7,27 @@ use leptos::task::spawn_local;
 use leptos_router::components::{Router, Routes, Route};
 use leptos_router::hooks::use_navigate;
 use crate::components::ui::toast::Toaster;
+use crate::components::hooks::use_theme_mode::ThemeMode;
 
 #[component]
 pub fn App() -> impl IntoView {
     crate::components::ui::toast::provide_toaster();
+    let theme_mode = ThemeMode::init();
+
+    // Sync theme with document
+    Effect::new(move |_| {
+        let is_dark = theme_mode.get();
+        if let Some(doc) = document().document_element() {
+            if is_dark {
+                let _ = doc.class_list().add_1("dark");
+                let _ = doc.set_attribute("data-theme", "dark");
+            } else {
+                let _ = doc.class_list().remove_1("dark");
+                let _ = doc.set_attribute("data-theme", "light");
+            }
+        }
+    });
+
     view! {
         <Toaster />
         <InnerApp />

frontend/src/components/hooks/mod.rs

@@ -1 +1,2 @@
 pub mod use_random;
+pub mod use_theme_mode;

frontend/src/components/hooks/use_theme_mode.rs

@@ -0,0 +1,108 @@
+use leptos::prelude::*;
+use web_sys::Storage;
+
+#[derive(Debug, Clone, Copy)]
+pub struct ThemeMode {
+    state: RwSignal<bool>,
+}
+
+const LOCALSTORAGE_KEY: &str = "darkmode";
+
+/// Hook to access the dark mode context
+///
+/// Returns the ThemeMode instance from context for easy access
+pub fn use_theme_mode() -> ThemeMode {
+    expect_context::<ThemeMode>()
+}
+
+/* ========================================================== */
+/*                     ✨ FUNCTIONS ✨                        */
+/* ========================================================== */
+
+impl ThemeMode {
+    #[must_use]
+    /// Initializes a new ThemeMode instance.
+    pub fn init() -> Self {
+        let theme_mode = Self { state: RwSignal::new(false) };
+
+        provide_context(theme_mode);
+
+        // Use Effect to handle browser-only initialization
+        Effect::new(move |_| {
+            let initial = Self::get_storage_state().unwrap_or(Self::prefers_dark_mode());
+            theme_mode.state.set(initial);
+        });
+
+        theme_mode
+    }
+
+    pub fn toggle(&self) {
+        self.state.update(|state| {
+            *state = !*state;
+            Self::set_storage_state(*state);
+        });
+    }
+
+    pub fn set_dark(&self) {
+        self.set(true);
+    }
+
+    pub fn set_light(&self) {
+        self.set(false);
+    }
+
+    /// - `dark`: Set to `true` for dark mode, and `false` for light mode.
+    pub fn set(&self, dark: bool) {
+        self.state.set(dark);
+        Self::set_storage_state(dark);
+    }
+
+    #[must_use]
+    pub fn get(&self) -> bool {
+        self.state.get()
+    }
+
+    #[must_use]
+    pub fn is_dark(&self) -> bool {
+        self.state.get()
+    }
+
+    #[must_use]
+    pub fn is_light(&self) -> bool {
+        !self.state.get()
+    }
+
+    /* ========================================================== */
+    /*                     ✨ FUNCTIONS ✨                        */
+    /* ========================================================== */
+
+    /// Retrieves the local storage object, if available.
+    fn get_storage() -> Option<Storage> {
+        window().local_storage().ok().flatten()
+    }
+
+    /// Retrieves the dark mode state from local storage, if available.
+    fn get_storage_state() -> Option<bool> {
+        Self::get_storage()
+            .and_then(|storage| storage.get(LOCALSTORAGE_KEY).ok())
+            .flatten()
+            .and_then(|entry| entry.parse::<bool>().ok())
+    }
+
+    /// Checks whether the user's system prefers dark mode based on media queries.
+    fn prefers_dark_mode() -> bool {
+        window()
+            .match_media("(prefers-color-scheme: dark)")
+            .ok()
+            .flatten()
+            .map(|media| media.matches())
+            .unwrap_or_default()
+    }
+
+    /// Stores the dark mode state in local storage.
+    fn set_storage_state(state: bool) {
+        if let Some(storage) = Self::get_storage() {
+            storage.set(LOCALSTORAGE_KEY, state.to_string().as_str()).ok();
+        }
+    }
+}

frontend/src/components/layout/sidebar.rs

@@ -1,9 +1,6 @@
 use leptos::prelude::*;
 use leptos::task::spawn_local;
 
-use leptos_use::storage::use_local_storage;
-use ::codee::string::FromToStringCodec;
-
 #[component]
 pub fn Sidebar() -> impl IntoView {
     let store = use_context::<crate::store::TorrentStore>().expect("store not provided");
@@ -67,34 +64,6 @@ pub fn Sidebar() -> impl IntoView {
         username().chars().next().unwrap_or('?').to_uppercase().to_string()
     };
 
-    // --- THEME LOGIC START ---
-    let (current_theme, set_current_theme, _) = use_local_storage::<String, FromToStringCodec>("vibetorrent_theme");
-
-    // Initialize with default if empty
-    let current_theme_val = current_theme.get();
-    if current_theme_val.is_empty() {
-        set_current_theme.set("dark".to_string());
-    }
-
-    // Automatically sync theme to document attribute
-    Effect::new(move |_| {
-        let theme = current_theme.get().to_lowercase();
-        if let Some(doc) = document().document_element() {
-            let _ = doc.set_attribute("data-theme", &theme);
-            if theme == "dark" || theme == "dracula" || theme == "dim" || theme == "abyss" || theme == "sunset" || theme == "cyberpunk" || theme == "nord" || theme == "business" || theme == "night" || theme == "black" || theme == "luxury" || theme == "coffee" || theme == "forest" || theme == "halloween" || theme == "synthwave" {
-                let _ = doc.class_list().add_1("dark");
-            } else {
-                let _ = doc.class_list().remove_1("dark");
-            }
-        }
-    });
-
-    let toggle_theme = move |_| {
-        let new_theme = if current_theme.get() == "dark" { "light" } else { "dark" };
-        set_current_theme.set(new_theme.to_string());
-    };
-    // --- THEME LOGIC END ---
-
     view! {
         <div class="w-full h-full flex flex-col bg-card" style="padding-top: env(safe-area-inset-top);">
             <div class="p-4 flex-1 overflow-y-auto">
@@ -164,20 +133,9 @@ pub fn Sidebar() -> impl IntoView {
                     </div>
 
                     // Theme toggle button
-                    <button
+                    <div class="inline-flex items-center justify-center size-8 rounded-md hover:bg-accent hover:text-accent-foreground text-muted-foreground hover:text-foreground transition-colors">
-                        class="inline-flex items-center justify-center size-8 rounded-md hover:bg-accent hover:text-accent-foreground text-muted-foreground hover:text-foreground transition-colors"
+                        <crate::components::ui::theme_toggle::ThemeToggle />
-                        on:click=toggle_theme
+                    </div>
-                    >
-                        <Show when=move || current_theme.get() == "dark" fallback=|| view! {
-                             <svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke-width="1.5" stroke="currentColor" class="w-4 h-4">
-                                <path stroke-linecap="round" stroke-linejoin="round" d="M21.752 15.002A9.718 9.718 0 0118 15.75c-5.385 0-9.75-4.365-9.75-9.75 0-1.33.266-2.597.748-3.752A9.753 9.753 0 003 11.25C3 16.635 7.365 21 12.75 21a9.753 9.753 0 009.002-5.998z" />
-                            </svg>
-                        }>
-                            <svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke-width="1.5" stroke="currentColor" class="w-4 h-4">
-                                <path stroke-linecap="round" stroke-linejoin="round" d="M12 3v2.25m6.364.386l-1.591 1.591M21 12h-2.25m-.386 6.364l-1.591-1.591M12 18.75V21m-4.773-4.227l-1.591 1.591M5.25 12H3m4.227-4.773L5.636 5.636M15.75 12a3.75 3.75 0 11-7.5 0 3.75 3.75 0 017.5 0z" />
-                            </svg>
-                        </Show>
-                    </button>
                     // Logout button
                     <button
                         class="inline-flex items-center justify-center size-8 rounded-md hover:bg-accent text-destructive transition-colors"

frontend/src/components/mod.rs

@@ -1,3 +1,4 @@
+pub mod hooks;
 pub mod context_menu;
 pub mod layout;
 pub mod torrent;

frontend/src/components/ui/mod.rs

@@ -3,3 +3,5 @@ pub mod card;
 pub mod input;
 pub mod toast;
 pub mod context_menu;
+pub mod theme_toggle;
+pub mod svg_icon;

frontend/src/components/ui/svg_icon.rs

@@ -0,0 +1,25 @@
+use leptos::prelude::*;
+use tw_merge::tw_merge;
+
+#[component]
+pub fn SvgIcon(
+    children: Children,
+    #[prop(optional, into)] class: String,
+) -> impl IntoView {
+    let class = tw_merge!("size-4", class);
+    
+    view! {
+        <svg
+            xmlns="http://www.w3.org/2000/svg"
+            viewBox="0 0 24 24"
+            fill="none"
+            stroke="currentColor"
+            stroke-width="2"
+            stroke-linecap="round"
+            stroke-linejoin="round"
+            class=class
+        >
+            {children()}
+        </svg>
+    }
+}

frontend/src/components/ui/theme_toggle.rs

@@ -0,0 +1,76 @@
+use crate::components::ui::svg_icon::SvgIcon;
+use leptos::prelude::*;
+
+use crate::components::hooks::use_theme_mode::use_theme_mode;
+
+#[component]
+pub fn ThemeToggle() -> impl IntoView {
+    let theme_mode = use_theme_mode();
+
+    view! {
+        <style>
+            {"
+            .theme__toggle_transition {
+            -webkit-tap-highlight-color: transparent;
+            
+            svg path {
+            transform-origin: center;
+            transition: all .6s ease;
+            transform: translate3d(0,0,0);
+            backface-visibility: hidden;
+            
+            &.sun {
+            transform: scale(.4) rotate(60deg);
+            opacity: 0;
+            }
+            
+            &.moon {
+            opacity: 1;
+            }
+            }
+            
+            &.switch {
+            svg path {
+            &.sun {
+            transform: scale(1) rotate(0);
+            opacity: 1;
+            }
+            
+            &.moon {
+            transform: scale(.4) rotate(-60deg);
+            opacity: 0;
+            }
+            }
+            }
+            }
+            "}
+        </style>
+
+        <button
+            type="button"
+            aria-label="Toggle theme"
+            class=move || {
+                let base_class = "theme__toggle_transition";
+                if theme_mode.get() { format!("{base_class} switch") } else { base_class.to_string() }
+            }
+            on:click=move |_| theme_mode.toggle()
+        >
+            <SvgIcon class="size-4">
+                <path
+                    d="M12 1.75V3.25M12 20.75V22.25M1.75 12H3.25M20.75 12H22.25M4.75216 4.75216L5.81282 5.81282M18.1872 18.1872L19.2478 19.2478M4.75216 19.2478L5.81282 18.1872M18.1872 5.81282L19.2478 4.75216M16.25 12C16.25 14.3472 14.3472 16.25 12 16.25C9.65279 16.25 7.75 14.3472 7.75 12C7.75 9.65279 9.65279 7.75 12 7.75C14.3472 7.75 16.25 9.65279 16.25 12Z"
+                    stroke="currentColor"
+                    stroke-width="1.5"
+                    stroke-linecap="round"
+                    class="sun text-neutral-300"
+                />
+                <path
+                    d="M2.75 12C2.75 17.1086 6.89137 21.25 12 21.25C16.7154 21.25 20.6068 17.7216 21.1778 13.161C20.1198 13.8498 18.8566 14.25 17.5 14.25C13.7721 14.25 10.75 11.2279 10.75 7.5C10.75 5.66012 11.4861 3.99217 12.6799 2.77461C12.4554 2.7583 12.2287 2.75 12 2.75C6.89137 2.75 2.75 6.89137 2.75 12Z"
+                    stroke="currentColor"
+                    stroke-width="1.5"
+                    stroke-linejoin="round"
+                    class="moon text-neutral-700"
+                />
+            </SvgIcon>
+        </button>
+    }
+}