feat: Enhance UI components and add visual effects

- Updated Sidebar component styles for improved aesthetics and usability.
- Refactored VersionsView component with a new layout and enhanced version filtering.
- Improved DownloadMonitor and GameConsole components for better performance and visual consistency.
- Added new settings for GPU acceleration and visual effects in settings store.
- Introduced ParticleBackground component with customizable effects (Constellation and Saturn).
- Implemented ConstellationEffect and SaturnEffect classes for dynamic background animations.

1 files changed, 203 insertions, 79 deletions

diff --git a/ui/src/components/SettingsView.svelte b/ui/src/components/SettingsView.svelte
index 801970b..4c92220 100644
--- a/ui/src/components/SettingsView.svelte
+++ b/ui/src/components/SettingsView.svelte
@@ -1,150 +1,274 @@
 <script lang="ts">
   import { settingsState } from "../stores/settings.svelte";
+  import { open } from "@tauri-apps/plugin-dialog";
+  import { convertFileSrc } from "@tauri-apps/api/core";
+
+  async function selectBackground() {
+    try {
+      const selected = await open({
+        multiple: false,
+        filters: [
+          {
+            name: "Images",
+            extensions: ["png", "jpg", "jpeg", "webp", "gif"],
+          },
+        ],
+      });
+
+      if (selected && typeof selected === "string") {
+        settingsState.settings.custom_background_path = selected;
+        settingsState.saveSettings();
+      }
+    } catch (e) {
+      console.error("Failed to select background:", e);
+    }
+  }
+
+  function clearBackground() {
+    settingsState.settings.custom_background_path = undefined;
+    settingsState.saveSettings();
+  }
 </script>
 
-<div class="p-8 bg-zinc-900 h-full overflow-y-auto">
-  <h2 class="text-3xl font-bold mb-8">Settings</h2>
+<div class="h-full flex flex-col p-6 overflow-hidden">
+  <div class="flex items-center justify-between mb-6">
+     <h2 class="text-3xl font-black bg-clip-text text-transparent bg-gradient-to-r from-white to-white/60">Settings</h2>
+  </div>
+
+  <div class="flex-1 overflow-y-auto pr-2 space-y-6 custom-scrollbar pb-10">
 
-  <div class="space-y-6 max-w-2xl">
-    <!-- Java Path -->
-    <div class="bg-zinc-800/50 p-6 rounded-lg border border-zinc-700">
-      <label
-        for="java-path"
-        class="block text-sm font-bold text-zinc-400 mb-2 uppercase tracking-wide"
-        >Java Executable Path</label
-      >
-      <div class="flex gap-2">
-        <input
-          id="java-path"
-          bind:value={settingsState.settings.java_path}
-          type="text"
-          class="bg-zinc-950 text-white flex-1 p-3 rounded border border-zinc-700 focus:border-indigo-500 outline-none font-mono text-sm"
-          placeholder="e.g. java, /usr/bin/java"
-        />
-        <button
-          onclick={() => settingsState.detectJava()}
-          disabled={settingsState.isDetectingJava}
-          class="bg-zinc-700 hover:bg-zinc-600 disabled:opacity-50 text-white px-4 py-2 rounded transition-colors whitespace-nowrap"
-        >
-          {settingsState.isDetectingJava ? "Detecting..." : "Auto Detect"}
-        </button>
+    <!-- Appearance / Background -->
+    <div class="bg-black/20 p-6 rounded-2xl border border-white/5 ">
+      <h3 class="text-xs font-bold uppercase tracking-widest text-white/40 mb-6 flex items-center gap-2">
+        Appearance
+      </h3>
+      
+      <div class="space-y-4">
+        <div>
+          <label class="block text-sm font-medium text-white/70 mb-3">Custom Background Image</label>
+          
+          <div class="flex items-center gap-6">
+            <!-- Preview -->
+            <div class="w-40 h-24 rounded-xl overflow-hidden bg-black/50 border border-white/10 relative group shadow-lg">
+              {#if settingsState.settings.custom_background_path}
+                <img 
+                  src={convertFileSrc(settingsState.settings.custom_background_path)} 
+                  alt="Background Preview" 
+                  class="w-full h-full object-cover"
+                />
+              {:else}
+                <div class="w-full h-full bg-gradient-to-br from-emerald-900 via-zinc-900 to-indigo-950 opacity-100"></div>
+                <div class="absolute inset-0 flex items-center justify-center text-[10px] text-white/50 bg-black/20 ">Default Gradient</div>
+              {/if}
+            </div>
+
+            <!-- Actions -->
+            <div class="flex flex-col gap-2">
+              <button
+                onclick={selectBackground}
+                class="bg-white/10 hover:bg-white/20 text-white px-4 py-2 rounded-lg text-sm transition-colors border border-white/5"
+              >
+                Select Image
+              </button>
+              
+              {#if settingsState.settings.custom_background_path}
+                <button
+                  onclick={clearBackground}
+                  class="text-red-400 hover:text-red-300 text-sm px-4 py-1 text-left transition-colors"
+                >
+                  Reset to Default
+                </button>
+              {/if}
+            </div>
+          </div>
+          <p class="text-xs text-white/30 mt-3">
+            Select an image from your computer to replace the default gradient background.
+            Supported formats: PNG, JPG, WEBP, GIF.
+          </p>
+        </div>
+
+        <!-- Visual Settings -->
+        <div class="pt-4 border-t border-white/5 space-y-4">
+             <div class="flex items-center justify-between">
+                <div>
+                   <h4 class="text-sm font-medium text-white/90" id="visual-effects-label">Visual Effects</h4>
+                   <p class="text-xs text-white/40 mt-1">Enable particle effects and animated gradients. (Default: On)</p>
+                </div>
+                <button 
+                    aria-labelledby="visual-effects-label"
+                    onclick={() => { settingsState.settings.enable_visual_effects = !settingsState.settings.enable_visual_effects; settingsState.saveSettings(); }}
+                    class="w-11 h-6 rounded-full transition-colors duration-200 ease-in-out relative focus:outline-none {settingsState.settings.enable_visual_effects ? 'bg-indigo-500' : 'bg-white/10'}"
+                >
+                    <div class="absolute top-1 left-1 bg-white w-4 h-4 rounded-full shadow-sm transition-transform duration-200 ease-in-out {settingsState.settings.enable_visual_effects ? 'translate-x-5' : 'translate-x-0'}"></div>
+                </button>
+             </div>
+
+             {#if settingsState.settings.enable_visual_effects}
+                 <div class="flex items-center justify-between pl-2 border-l-2 border-white/5 ml-1">
+                    <div>
+                       <h4 class="text-sm font-medium text-white/90" id="theme-effect-label">Theme Effect</h4>
+                       <p class="text-xs text-white/40 mt-1">Select the active visual theme.</p>
+                    </div>
+                    <select
+                        aria-labelledby="theme-effect-label"
+                        bind:value={settingsState.settings.active_effect}
+                        onchange={() => settingsState.saveSettings()}
+                        class="bg-black/40 text-white text-xs px-3 py-2 rounded-lg border border-white/10 outline-none focus:border-indigo-500/50 appearance-none cursor-pointer hover:bg-white/5 transition-colors"
+                    >
+                        <option value="saturn">Saturn (Saturn)</option>
+                        <option value="constellation">Network (Constellation)</option>
+                    </select>
+                 </div>
+             {/if}
+
+             <div class="flex items-center justify-between">
+                <div>
+                   <h4 class="text-sm font-medium text-white/90" id="gpu-acceleration-label">GPU Acceleration</h4>
+                   <p class="text-xs text-white/40 mt-1">Enable GPU acceleration for the interface. (Default: Off, Requires Restart)</p>
+                </div>
+                <button 
+                    aria-labelledby="gpu-acceleration-label"
+                    onclick={() => { settingsState.settings.enable_gpu_acceleration = !settingsState.settings.enable_gpu_acceleration; settingsState.saveSettings(); }}
+                    class="w-11 h-6 rounded-full transition-colors duration-200 ease-in-out relative focus:outline-none {settingsState.settings.enable_gpu_acceleration ? 'bg-indigo-500' : 'bg-white/10'}"
+                >
+                    <div class="absolute top-1 left-1 bg-white w-4 h-4 rounded-full shadow-sm transition-transform duration-200 ease-in-out {settingsState.settings.enable_gpu_acceleration ? 'translate-x-5' : 'translate-x-0'}"></div>
+                </button>
+             </div>
+        </div>
       </div>
+    </div>
+
+    <!-- Java Path -->
+    <div class="bg-black/20 p-6 rounded-2xl border border-white/5 ">
+      <h3 class="text-xs font-bold uppercase tracking-widest text-white/40 mb-6 flex items-center gap-2">
+        Java Environment
+      </h3>
+      <div class="space-y-4">
+        <div>
+             <label for="java-path" class="block text-sm font-medium text-white/70 mb-2">Java Executable Path</label>
+             <div class="flex gap-2">
+                <input
+                id="java-path"
+                bind:value={settingsState.settings.java_path}
+                type="text"
+                class="bg-black/40 text-white flex-1 px-4 py-3 rounded-xl border border-white/10 focus:border-indigo-500/50 outline-none font-mono text-xs transition-colors"
+                placeholder="e.g. java, /usr/bin/java"
+                />
+                <button
+                onclick={() => settingsState.detectJava()}
+                disabled={settingsState.isDetectingJava}
+                class="bg-white/10 hover:bg-white/20 disabled:opacity-50 text-white px-4 py-2 rounded-xl border border-white/5 transition-colors whitespace-nowrap text-sm font-medium"
+                >
+                {settingsState.isDetectingJava ? "Detecting..." : "Auto Detect"}
+                </button>
+            </div>
+        </div>
       
       {#if settingsState.javaInstallations.length > 0}
         <div class="mt-4 space-y-2">
-          <p class="text-xs text-zinc-400 uppercase font-bold">Detected Java Installations:</p>
+          <p class="text-[10px] text-white/30 uppercase font-bold tracking-wider">Detected Installations</p>
           {#each settingsState.javaInstallations as java}
             <button
               onclick={() => settingsState.selectJava(java.path)}
-              class="w-full text-left p-3 bg-zinc-950 rounded border transition-colors {settingsState.settings.java_path === java.path ? 'border-indigo-500 bg-indigo-950/30' : 'border-zinc-700 hover:border-zinc-500'}"
+              class="w-full text-left p-3 rounded-lg border transition-all duration-200 group
+              {settingsState.settings.java_path === java.path 
+                ? 'bg-indigo-500/20 border-indigo-500/30' 
+                : 'bg-black/20 border-white/5 hover:bg-white/5 hover:border-white/10'}"
             >
               <div class="flex justify-between items-center">
                 <div>
-                  <span class="text-white font-mono text-sm">{java.version}</span>
-                  <span class="text-zinc-500 text-xs ml-2">{java.is_64bit ? "64-bit" : "32-bit"}</span>
+                  <span class="text-white font-mono text-xs font-bold">{java.version}</span>
+                  <span class="text-white/40 text-[10px] ml-2">{java.is_64bit ? "64-bit" : "32-bit"}</span>
                 </div>
                 {#if settingsState.settings.java_path === java.path}
-                  <span class="text-indigo-400 text-xs">Selected</span>
+                  <span class="text-indigo-300 text-[10px] font-bold uppercase tracking-wider">Selected</span>
                 {/if}
               </div>
-              <div class="text-zinc-500 text-xs font-mono truncate mt-1">{java.path}</div>
+              <div class="text-white/30 text-[10px] font-mono truncate mt-1 group-hover:text-white/50">{java.path}</div>
             </button>
           {/each}
         </div>
       {/if}
-      
-      <p class="text-xs text-zinc-500 mt-2">
-        The command or path to the Java Runtime Environment. Click "Auto Detect" to find installed Java versions.
-      </p>
+      </div>
     </div>
 
     <!-- Memory -->
-    <div class="bg-zinc-800/50 p-6 rounded-lg border border-zinc-700">
-      <h3
-        class="block text-sm font-bold text-zinc-400 mb-4 uppercase tracking-wide"
-        >Memory Allocation (RAM)</h3>
-
+    <div class="bg-black/20 p-6 rounded-2xl border border-white/5 ">
+      <h3 class="text-xs font-bold uppercase tracking-widest text-white/40 mb-6 flex items-center gap-2">
+        Memory Allocation (RAM)
+      </h3>
       <div class="grid grid-cols-2 gap-6">
         <div>
-          <label for="min-memory" class="block text-xs text-zinc-500 mb-1"
-            >Minimum (MB)</label
-          >
+          <label for="min-memory" class="block text-sm font-medium text-white/70 mb-2">Minimum (MB)</label>
           <input
             id="min-memory"
             bind:value={settingsState.settings.min_memory}
             type="number"
-            class="bg-zinc-950 text-white w-full p-3 rounded border border-zinc-700 focus:border-indigo-500 outline-none"
+            class="bg-black/40 text-white w-full px-4 py-3 rounded-xl border border-white/10 focus:border-indigo-500/50 outline-none transition-colors"
           />
         </div>
         <div>
-          <label for="max-memory" class="block text-xs text-zinc-500 mb-1"
-            >Maximum (MB)</label
-          >
+          <label for="max-memory" class="block text-sm font-medium text-white/70 mb-2">Maximum (MB)</label>
           <input
             id="max-memory"
             bind:value={settingsState.settings.max_memory}
             type="number"
-            class="bg-zinc-950 text-white w-full p-3 rounded border border-zinc-700 focus:border-indigo-500 outline-none"
+            class="bg-black/40 text-white w-full px-4 py-3 rounded-xl border border-white/10 focus:border-indigo-500/50 outline-none transition-colors"
           />
         </div>
       </div>
     </div>
 
     <!-- Resolution -->
-    <div class="bg-zinc-800/50 p-6 rounded-lg border border-zinc-700">
-      <h3
-        class="block text-sm font-bold text-zinc-400 mb-4 uppercase tracking-wide"
-        >Game Window Size</h3>
+    <div class="bg-black/20 p-6 rounded-2xl border border-white/5 ">
+      <h3 class="text-xs font-bold uppercase tracking-widest text-white/40 mb-6 flex items-center gap-2">
+        Game Window Size
+      </h3>
       <div class="grid grid-cols-2 gap-6">
         <div>
-          <label for="window-width" class="block text-xs text-zinc-500 mb-1">Width</label>
+          <label for="window-width" class="block text-sm font-medium text-white/70 mb-2">Width</label>
           <input
             id="window-width"
             bind:value={settingsState.settings.width}
             type="number"
-            class="bg-zinc-950 text-white w-full p-3 rounded border border-zinc-700 focus:border-indigo-500 outline-none"
+            class="bg-black/40 text-white w-full px-4 py-3 rounded-xl border border-white/10 focus:border-indigo-500/50 outline-none transition-colors"
           />
         </div>
         <div>
-          <label for="window-height" class="block text-xs text-zinc-500 mb-1">Height</label>
+          <label for="window-height" class="block text-sm font-medium text-white/70 mb-2">Height</label>
           <input
             id="window-height"
             bind:value={settingsState.settings.height}
             type="number"
-            class="bg-zinc-950 text-white w-full p-3 rounded border border-zinc-700 focus:border-indigo-500 outline-none"
+            class="bg-black/40 text-white w-full px-4 py-3 rounded-xl border border-white/10 focus:border-indigo-500/50 outline-none transition-colors"
           />
         </div>
       </div>
     </div>
 
     <!-- Download Settings -->
-    <div class="bg-zinc-800/50 p-6 rounded-lg border border-zinc-700">
-      <h3
-        class="block text-sm font-bold text-zinc-400 mb-4 uppercase tracking-wide"
-        >Download Settings</h3>
-      <div>
-        <label for="download-threads" class="block text-xs text-zinc-500 mb-1"
-          >Concurrent Download Threads</label
-        >
-        <input
-          id="download-threads"
-          bind:value={settingsState.settings.download_threads}
-          type="number"
-          min="1"
-          max="128"
-          step="1"
-          class="bg-zinc-950 text-white w-full p-3 rounded border border-zinc-700 focus:border-indigo-500 outline-none"
-        />
-        <p class="text-xs text-zinc-500 mt-2">
-          Number of concurrent download threads (1-128). Higher values increase download speed but use more bandwidth and system resources. Default: 32
-        </p>
-      </div>
+    <div class="bg-black/20 p-6 rounded-2xl border border-white/5 ">
+        <h3 class="text-xs font-bold uppercase tracking-widest text-white/40 mb-6 flex items-center gap-2">
+            Network
+        </h3>
+        <div>
+            <label for="download-threads" class="block text-sm font-medium text-white/70 mb-2">Concurrent Download Threads</label>
+            <input
+              id="download-threads"
+              bind:value={settingsState.settings.download_threads}
+              type="number"
+              min="1"
+              max="128"
+              class="bg-black/40 text-white w-full px-4 py-3 rounded-xl border border-white/10 focus:border-indigo-500/50 outline-none transition-colors"
+            />
+            <p class="text-xs text-white/30 mt-2">Higher values usually mean faster downloads but use more CPU/Network.</p>
+        </div>
     </div>
 
-    <div class="pt-4">
+    <div class="pt-4 flex justify-end">
       <button
         onclick={() => settingsState.saveSettings()}
-        class="bg-indigo-600 hover:bg-indigo-500 text-white font-bold py-3 px-8 rounded shadow-lg transition-transform active:scale-95"
+        class="bg-gradient-to-r from-emerald-600 to-green-600 hover:from-emerald-500 hover:to-green-500 text-white font-bold py-3 px-8 rounded-xl shadow-lg shadow-emerald-500/20 transition-all hover:scale-105 active:scale-95"
       >
         Save Settings
       </button>