add dark theme

2026-02-22 18:13:05 -04:00
parent 1e378b20e0
commit 786dec41e4
3 changed files with 106 additions and 72 deletions
--- a/src/App.vue
+++ b/src/App.vue
@@ -1,5 +1,5 @@
 <script setup lang="ts">
-import { ref, computed, onMounted, onUnmounted } from 'vue';
+import { ref, computed, onMounted, onUnmounted, watch } from 'vue';
 import { 
  Settings, 
  Languages, 
@@ -10,7 +10,9 @@ import {
  Loader2,
  Check,
  FileText,
-  ChevronDown
+  ChevronDown,
+  Sun,
+  Moon
 } from 'lucide-vue-next';
 import { fetch } from '@tauri-apps/plugin-http';
 import { useSettingsStore, LANGUAGES, DEFAULT_TEMPLATE } from './stores/settings';
@@ -23,6 +25,20 @@ function cn(...inputs: ClassValue[]) {
 }

 const settings = useSettingsStore();
+
+// Theme management
+watch(() => settings.isDark, (val) => {
+  if (val) {
+    document.documentElement.classList.add('dark');
+  } else {
+    document.documentElement.classList.remove('dark');
+  }
+}, { immediate: true });
+
+const toggleTheme = () => {
+  settings.isDark = !settings.isDark;
+};
+
 const view = ref<'translate' | 'settings' | 'logs'>('translate');

 // Dropdown State
@@ -183,24 +199,32 @@ const translate = async () => {
 </script>

 <template>
-  <div class="min-h-screen bg-slate-50 text-slate-900 font-sans selection:bg-blue-100 flex flex-col">
+  <div class="min-h-screen bg-slate-50 dark:bg-slate-950 text-slate-900 dark:text-slate-100 font-sans selection:bg-blue-100 dark:selection:bg-blue-900 flex flex-col">
    <!-- Header -->
-    <header class="h-14 border-b bg-white flex items-center justify-between px-6 shrink-0 sticky top-0 z-10 shadow-sm">
+    <header class="h-14 border-b dark:border-slate-800 bg-white dark:bg-slate-900 flex items-center justify-between px-6 shrink-0 sticky top-0 z-10 shadow-sm">
      <div class="flex items-center gap-2 cursor-pointer group" @click="view = 'translate'">
        <Languages class="w-6 h-6 text-blue-600 group-hover:scale-110 transition-transform" />
        <h1 class="font-semibold text-lg tracking-tight">TranslateGemma</h1>
      </div>
      <div class="flex items-center gap-2">
+        <button 
+          @click="toggleTheme"
+          class="p-2 rounded-full transition-colors hover:bg-slate-100 dark:hover:bg-slate-800 text-slate-600 dark:text-slate-300"
+          :title="settings.isDark ? '切换亮色主题' : '切换暗色主题'"
+        >
+          <Sun v-if="settings.isDark" class="w-5 h-5" />
+          <Moon v-else class="w-5 h-5" />
+        </button>
        <button 
          @click="view = 'settings'"
-          :class="cn('p-2 rounded-full transition-colors', view === 'settings' ? 'bg-blue-50 text-blue-600' : 'hover:bg-slate-100 text-slate-600')"
+          :class="cn('p-2 rounded-full transition-colors', view === 'settings' ? 'bg-blue-50 text-blue-600 dark:bg-blue-900/30 dark:text-blue-400' : 'hover:bg-slate-100 dark:hover:bg-slate-800 text-slate-600 dark:text-slate-300')"
          title="设置"
        >
          <Settings class="w-5 h-5" />
        </button>
        <button 
          @click="view = 'logs'"
-          :class="cn('p-2 rounded-full transition-colors', view === 'logs' ? 'bg-blue-50 text-blue-600' : 'hover:bg-slate-100 text-slate-600')"
+          :class="cn('p-2 rounded-full transition-colors', view === 'logs' ? 'bg-blue-50 text-blue-600 dark:bg-blue-900/30 dark:text-blue-400' : 'hover:bg-slate-100 dark:hover:bg-slate-800 text-slate-600 dark:text-slate-300')"
          title="调试日志"
        >
          <FileText class="w-5 h-5" />
@@ -210,15 +234,15 @@ const translate = async () => {

    <main class="flex-1 flex overflow-hidden">
      <!-- Translation View -->
-      <div v-if="view === 'translate'" class="flex-1 flex flex-col md:flex-row divide-y md:divide-y-0 md:divide-x bg-white overflow-hidden">
+      <div v-if="view === 'translate'" class="flex-1 flex flex-col md:flex-row divide-y md:divide-y-0 md:divide-x dark:divide-slate-800 bg-white dark:bg-slate-900 overflow-hidden">
        <!-- Source Pane -->
        <div class="flex-1 flex flex-col min-h-0 relative">
-          <div class="flex items-center gap-3 px-6 py-3 border-b bg-slate-50/50 relative z-40">
+          <div class="flex items-center gap-3 px-6 py-3 border-b dark:border-slate-800 bg-slate-50/50 dark:bg-slate-800/30 relative z-40">
            <!-- Custom Source Dropdown -->
            <div class="relative lang-dropdown min-w-[120px]">
              <button 
                @click.stop="toggleDropdown('source')"
-                class="flex items-center gap-2 px-3 py-1.5 rounded-lg hover:bg-slate-200/60 transition-colors text-sm font-semibold text-slate-700 w-full justify-between group"
+                class="flex items-center gap-2 px-3 py-1.5 rounded-lg hover:bg-slate-200/60 dark:hover:bg-slate-700/60 transition-colors text-sm font-semibold text-slate-700 dark:text-slate-200 w-full justify-between group"
              >
                <span class="truncate">{{ sourceLang.displayName }}</span>
                <ChevronDown :class="cn('w-4 h-4 text-slate-400 transition-transform duration-200', sourceDropdownOpen && 'rotate-180')" />
@@ -235,7 +259,7 @@ const translate = async () => {
              >
                <div 
                  v-if="sourceDropdownOpen"
-                  class="absolute left-0 mt-2 w-56 max-h-80 overflow-y-auto bg-white rounded-xl shadow-xl border border-slate-200 z-50 py-2 py-1 flex flex-col custom-scrollbar"
+                  class="absolute left-0 mt-2 w-56 max-h-80 overflow-y-auto bg-white dark:bg-slate-800 rounded-xl shadow-xl border border-slate-200 dark:border-slate-700 z-50 py-2 py-1 flex flex-col custom-scrollbar"
                >
                  <button
                    v-for="lang in LANGUAGES"
@@ -243,7 +267,7 @@ const translate = async () => {
                    @click="sourceLangCode = lang.code; sourceDropdownOpen = false"
                    :class="cn(
                      'px-4 py-2.5 text-sm text-left transition-colors flex items-center justify-between',
-                      sourceLangCode === lang.code ? 'bg-blue-50 text-blue-600 font-bold' : 'text-slate-600 hover:bg-slate-50'
+                      sourceLangCode === lang.code ? 'bg-blue-50 text-blue-600 dark:bg-blue-900/30 dark:text-blue-400 font-bold' : 'text-slate-600 dark:text-slate-300 hover:bg-slate-50 dark:hover:bg-slate-700/50'
                    )"
                  >
                    {{ lang.displayName }}
@@ -253,25 +277,25 @@ const translate = async () => {
              </transition>
            </div>

-            <button @click="swapLanguages" class="p-1.5 hover:bg-slate-200 rounded-md transition-colors" title="交换语言">
-              <ArrowRightLeft class="w-4 h-4 text-slate-500" />
+            <button @click="swapLanguages" class="p-1.5 hover:bg-slate-200 dark:hover:bg-slate-700 rounded-md transition-colors" title="交换语言">
+              <ArrowRightLeft class="w-4 h-4 text-slate-500 dark:text-slate-400" />
            </button>
            <div class="ml-auto flex items-center gap-2">
-               <button @click="clearSource" class="p-1.5 hover:bg-slate-200 rounded-md transition-colors" title="清空内容">
-                <Trash2 class="w-4 h-4 text-slate-500" />
+               <button @click="clearSource" class="p-1.5 hover:bg-slate-200 dark:hover:bg-slate-700 rounded-md transition-colors" title="清空内容">
+                <Trash2 class="w-4 h-4 text-slate-500 dark:text-slate-400" />
              </button>
            </div>
          </div>
          <textarea
            v-model="sourceText"
            placeholder="请输入待翻译内容..."
-            class="flex-1 p-6 resize-none outline-none text-lg leading-relaxed placeholder:text-slate-300"
+            class="flex-1 p-6 resize-none outline-none text-lg leading-relaxed placeholder:text-slate-300 dark:placeholder:text-slate-600 bg-transparent"
          ></textarea>
-          <div class="p-4 border-t flex justify-end">
+          <div class="p-4 border-t dark:border-slate-800 flex justify-end">
            <button 
              @click="translate"
              :disabled="isTranslating || !sourceText.trim()"
-              class="bg-blue-600 hover:bg-blue-700 disabled:bg-blue-300 text-white px-6 py-2.5 rounded-lg font-medium transition-all flex items-center gap-2 shadow-sm"
+              class="bg-blue-600 hover:bg-blue-700 disabled:bg-blue-300 dark:disabled:bg-blue-900/40 text-white px-6 py-2.5 rounded-lg font-medium transition-all flex items-center gap-2 shadow-sm"
            >
              <Loader2 v-if="isTranslating" class="w-4 h-4 animate-spin" />
              <Send v-else class="w-4 h-4" />
@@ -281,13 +305,13 @@ const translate = async () => {
        </div>

        <!-- Target Pane -->
-        <div class="flex-1 flex flex-col min-h-0 bg-slate-50/30 relative">
-          <div class="flex items-center gap-3 px-6 py-3 border-b bg-slate-50/50 relative z-40">
+        <div class="flex-1 flex flex-col min-h-0 bg-slate-50/30 dark:bg-slate-900/50 relative">
+          <div class="flex items-center gap-3 px-6 py-3 border-b dark:border-slate-800 bg-slate-50/50 dark:bg-slate-800/30 relative z-40">
            <!-- Custom Target Dropdown -->
            <div class="relative lang-dropdown min-w-[120px]">
              <button 
                @click.stop="toggleDropdown('target')"
-                class="flex items-center gap-2 px-3 py-1.5 rounded-lg hover:bg-slate-200/60 transition-colors text-sm font-semibold text-slate-700 w-full justify-between"
+                class="flex items-center gap-2 px-3 py-1.5 rounded-lg hover:bg-slate-200/60 dark:hover:bg-slate-700/60 transition-colors text-sm font-semibold text-slate-700 dark:text-slate-200 w-full justify-between"
              >
                <span class="truncate">{{ targetLang.displayName }}</span>
                <ChevronDown :class="cn('w-4 h-4 text-slate-400 transition-transform duration-200', targetDropdownOpen && 'rotate-180')" />
@@ -304,7 +328,7 @@ const translate = async () => {
              >
                <div 
                  v-if="targetDropdownOpen"
-                  class="absolute left-0 mt-2 w-56 max-h-80 overflow-y-auto bg-white rounded-xl shadow-xl border border-slate-200 z-50 py-2 flex flex-col custom-scrollbar"
+                  class="absolute left-0 mt-2 w-56 max-h-80 overflow-y-auto bg-white dark:bg-slate-800 rounded-xl shadow-xl border border-slate-200 dark:border-slate-700 z-50 py-2 flex flex-col custom-scrollbar"
                >
                  <button
                    v-for="lang in LANGUAGES"
@@ -312,7 +336,7 @@ const translate = async () => {
                    @click="targetLangCode = lang.code; targetDropdownOpen = false"
                    :class="cn(
                      'px-4 py-2.5 text-sm text-left transition-colors flex items-center justify-between',
-                      targetLangCode === lang.code ? 'bg-blue-50 text-blue-600 font-bold' : 'text-slate-600 hover:bg-slate-50'
+                      targetLangCode === lang.code ? 'bg-blue-50 text-blue-600 dark:bg-blue-900/30 dark:text-blue-400 font-bold' : 'text-slate-600 dark:text-slate-300 hover:bg-slate-50 dark:hover:bg-slate-700/50'
                    )"
                  >
                    {{ lang.displayName }}
@@ -322,9 +346,9 @@ const translate = async () => {
              </transition>
            </div>
            <div class="ml-auto flex items-center gap-2">
-              <button @click="copyTarget" class="p-1.5 hover:bg-slate-200 rounded-md transition-colors relative" title="复制结果">
+              <button @click="copyTarget" class="p-1.5 hover:bg-slate-200 dark:hover:bg-slate-700 rounded-md transition-colors relative" title="复制结果">
                <Check v-if="showCopyFeedback" class="w-4 h-4 text-green-600" />
-                <Copy v-else class="w-4 h-4 text-slate-500" />
+                <Copy v-else class="w-4 h-4 text-slate-500 dark:text-slate-400" />
              </button>
            </div>
          </div>
@@ -332,45 +356,45 @@ const translate = async () => {
            <template v-if="targetText">
              {{ targetText }}
            </template>
-            <span v-else class="text-slate-300 italic">翻译结果将在此显示...</span>
+            <span v-else class="text-slate-300 dark:text-slate-600 italic">翻译结果将在此显示...</span>
          </div>
        </div>
      </div>

      <!-- Settings View -->
-      <div v-else-if="view === 'settings'" class="flex-1 overflow-y-auto bg-slate-50 p-6 md:p-10">
+      <div v-else-if="view === 'settings'" class="flex-1 overflow-y-auto bg-slate-50 dark:bg-slate-950 p-6 md:p-10">
        <div class="max-w-2xl mx-auto space-y-8">
          <section>
-            <h2 class="text-sm font-semibold text-slate-500 uppercase tracking-wider mb-4">API 配置</h2>
-            <div class="bg-white rounded-xl shadow-sm border p-6 space-y-4">
+            <h2 class="text-sm font-semibold text-slate-500 dark:text-slate-400 uppercase tracking-wider mb-4">API 配置</h2>
+            <div class="bg-white dark:bg-slate-900 rounded-xl shadow-sm border dark:border-slate-800 p-6 space-y-4">
              <div class="space-y-2">
-                <label class="text-sm font-medium text-slate-700">Ollama API 地址</label>
+                <label class="text-sm font-medium text-slate-700 dark:text-slate-300">Ollama API 地址</label>
                <input 
                  v-model="settings.ollamaApiAddress"
                  type="text" 
-                  class="w-full px-4 py-2 border rounded-lg focus:ring-2 focus:ring-blue-500/20 focus:border-blue-500 outline-none transition-all font-mono"
+                  class="w-full px-4 py-2 border dark:border-slate-700 rounded-lg bg-transparent focus:ring-2 focus:ring-blue-500/20 focus:border-blue-500 outline-none transition-all font-mono text-slate-900 dark:text-slate-100"
                  placeholder="http://localhost:11434"
                />
              </div>
              <div class="space-y-2">
-                <label class="text-sm font-medium text-slate-700">Ollama 模型名称</label>
+                <label class="text-sm font-medium text-slate-700 dark:text-slate-300">Ollama 模型名称</label>
                <input 
                  v-model="settings.modelName"
                  type="text" 
-                  class="w-full px-4 py-2 border rounded-lg focus:ring-2 focus:ring-blue-500/20 focus:border-blue-500 outline-none transition-all font-mono text-sm"
+                  class="w-full px-4 py-2 border dark:border-slate-700 rounded-lg bg-transparent focus:ring-2 focus:ring-blue-500/20 focus:border-blue-500 outline-none transition-all font-mono text-sm text-slate-900 dark:text-slate-100"
                  placeholder="translategemma:12b"
                />
              </div>
              <div class="flex items-center justify-between">
                <div>
-                  <label class="text-sm font-medium text-slate-700">启用流式输出</label>
-                  <p class="text-xs text-slate-500">在生成时即时渲染文本</p>
+                  <label class="text-sm font-medium text-slate-700 dark:text-slate-300">启用流式输出</label>
+                  <p class="text-xs text-slate-500 dark:text-slate-500">在生成时即时渲染文本</p>
                </div>
                <button 
                  @click="settings.enableStreaming = !settings.enableStreaming"
                  :class="cn(
                    'w-12 h-6 rounded-full transition-colors relative',
-                    settings.enableStreaming ? 'bg-blue-600' : 'bg-slate-300'
+                    settings.enableStreaming ? 'bg-blue-600' : 'bg-slate-300 dark:bg-slate-700'
                  )"
                >
                  <div :class="cn(
@@ -383,20 +407,20 @@ const translate = async () => {
          </section>

          <section>
-            <h2 class="text-sm font-semibold text-slate-500 uppercase tracking-wider mb-4">提示词工程</h2>
-            <div class="bg-white rounded-xl shadow-sm border p-6">
+            <h2 class="text-sm font-semibold text-slate-500 dark:text-slate-400 uppercase tracking-wider mb-4">提示词工程</h2>
+            <div class="bg-white dark:bg-slate-900 rounded-xl shadow-sm border dark:border-slate-800 p-6">
              <div class="space-y-2">
                <div class="flex items-center justify-between">
-                  <label class="text-sm font-medium text-slate-700">系统提示词模板</label>
-                  <button @click="settings.systemPromptTemplate = DEFAULT_TEMPLATE" class="text-xs text-blue-600 hover:underline">恢复默认值</button>
+                  <label class="text-sm font-medium text-slate-700 dark:text-slate-300">系统提示词模板</label>
+                  <button @click="settings.systemPromptTemplate = DEFAULT_TEMPLATE" class="text-xs text-blue-600 dark:text-blue-400 hover:underline">恢复默认值</button>
                </div>
                <textarea 
                  v-model="settings.systemPromptTemplate"
                  rows="9"
-                  class="w-full px-4 py-3 border rounded-lg focus:ring-2 focus:ring-blue-500/20 focus:border-blue-500 outline-none transition-all font-mono text-xs leading-relaxed"
+                  class="w-full px-4 py-3 border dark:border-slate-700 rounded-lg bg-transparent focus:ring-2 focus:ring-blue-500/20 focus:border-blue-500 outline-none transition-all font-mono text-xs leading-relaxed text-slate-900 dark:text-slate-100"
                ></textarea>
                <div class="flex flex-wrap gap-2 mt-2">
-                   <span v-for="tag in ['{SOURCE_LANG}', '{SOURCE_CODE}', '{TARGET_LANG}', '{TARGET_CODE}', '{TEXT}']" :key="tag" class="px-2 py-1 bg-slate-100 text-[10px] font-mono rounded border text-slate-600">{{ tag }}</span>
+                   <span v-for="tag in ['{SOURCE_LANG}', '{SOURCE_CODE}', '{TARGET_LANG}', '{TARGET_CODE}', '{TEXT}']" :key="tag" class="px-2 py-1 bg-slate-100 dark:bg-slate-800 text-[10px] font-mono rounded border dark:border-slate-700 text-slate-600 dark:text-slate-400">{{ tag }}</span>
                </div>
              </div>
            </div>
@@ -405,39 +429,39 @@ const translate = async () => {
      </div>

      <!-- Logs View -->
-      <div v-else-if="view === 'logs'" class="flex-1 overflow-y-auto bg-slate-50 p-6 md:p-10">
+      <div v-else-if="view === 'logs'" class="flex-1 overflow-y-auto bg-slate-50 dark:bg-slate-950 p-6 md:p-10">
        <div class="max-w-3xl mx-auto space-y-6">
          <div class="flex items-center justify-between">
-            <h2 class="text-sm font-semibold text-slate-500 uppercase tracking-wider">调试日志</h2>
+            <h2 class="text-sm font-semibold text-slate-500 dark:text-slate-400 uppercase tracking-wider">调试日志</h2>
            <button 
              @click="settings.logs = []" 
-              class="text-xs text-red-600 hover:underline flex items-center gap-1"
+              class="text-xs text-red-600 dark:text-red-400 hover:underline flex items-center gap-1"
            >
              <Trash2 class="w-3 h-3" />
              清空
            </button>
          </div>
-          <div class="bg-white rounded-xl shadow-sm border p-4 space-y-4">
-            <div v-if="settings.logs.length === 0" class="text-sm text-slate-400 text-center py-10 italic">
+          <div class="bg-white dark:bg-slate-900 rounded-xl shadow-sm border dark:border-slate-800 p-4 space-y-4">
+            <div v-if="settings.logs.length === 0" class="text-sm text-slate-400 dark:text-slate-500 text-center py-10 italic">
              暂无日志记录。请尝试进行翻译。
            </div>
            <div 
              v-for="(log, idx) in settings.logs" 
              :key="idx" 
-              class="text-[11px] font-mono border-b last:border-0 pb-4 flex flex-col gap-2"
+              class="text-[11px] font-mono border-b dark:border-slate-800 last:border-0 pb-4 flex flex-col gap-2"
            >
              <div class="flex items-center gap-2">
-                <span class="text-slate-400">[{{ log.timestamp }}]</span>
+                <span class="text-slate-400 dark:text-slate-500">[{{ log.timestamp }}]</span>
                <span 
                  :class="cn(
                    'px-2 py-0.5 rounded uppercase font-bold text-[11px]',
-                    log.type === 'request' ? 'bg-blue-100 text-blue-700' :
-                    log.type === 'response' ? 'bg-green-100 text-green-700' :
-                    'bg-red-100 text-red-700'
+                    log.type === 'request' ? 'bg-blue-100 text-blue-700 dark:bg-blue-900/40 dark:text-blue-300' :
+                    log.type === 'response' ? 'bg-green-100 text-green-700 dark:bg-green-900/40 dark:text-green-300' :
+                    'bg-red-100 text-red-700 dark:bg-red-900/40 dark:text-red-300'
                  )"
                >{{ log.type === 'request' ? '请求' : log.type === 'response' ? '响应' : '错误' }}</span>
              </div>
-              <pre class="bg-slate-50 p-3 rounded-lg overflow-x-auto text-slate-600 max-h-48 leading-relaxed shadow-inner border border-slate-100">{{ typeof log.content === 'object' ? JSON.stringify(log.content, null, 2) : log.content }}</pre>
+              <pre class="bg-slate-50 dark:bg-slate-800/50 p-3 rounded-lg overflow-x-auto text-slate-600 dark:text-slate-300 max-h-48 leading-relaxed shadow-inner border border-slate-100 dark:border-slate-700">{{ typeof log.content === 'object' ? JSON.stringify(log.content, null, 2) : log.content }}</pre>
            </div>
          </div>
        </div>
@@ -445,30 +469,14 @@ const translate = async () => {
    </main>

    <!-- Footer -->
-    <footer class="h-8 bg-slate-100 border-t flex items-center px-4 justify-between shrink-0">
-      <div class="text-[10px] text-slate-400">
+    <footer class="h-8 bg-slate-100 dark:bg-slate-900 border-t dark:border-slate-800 flex items-center px-4 justify-between shrink-0">
+      <div class="text-[10px] text-slate-400 dark:text-slate-500">
        {{ settings.ollamaApiAddress }}
      </div>
-      <div class="text-[10px] text-slate-400">
+      <div class="text-[10px] text-slate-400 dark:text-slate-500">
        GemmaTrans v{{ pkg.version }}
      </div>
    </footer>
  </div>
 </template>

-<style>
-/* Custom Scrollbar */
-::-webkit-scrollbar {
-  width: 8px;
-}
-::-webkit-scrollbar-track {
-  background: transparent;
-}
-::-webkit-scrollbar-thumb {
-  background: #e2e8f0;
-  border-radius: 4px;
-}
-::-webkit-scrollbar-thumb:hover {
-  background: #cbd5e1;
-}
-</style>
--- a/src/stores/settings.ts
+++ b/src/stores/settings.ts
@@ -32,6 +32,7 @@ Produce only the {TARGET_LANG} translation, without any additional explanations
 {TEXT}`;

 export const useSettingsStore = defineStore('settings', () => {
+  const isDark = useLocalStorage('is-dark', false);
  const ollamaApiAddress = useLocalStorage('ollama-api-address', 'http://localhost:11434');
  const modelName = useLocalStorage('model-name', 'translategemma:12b');
  const enableStreaming = useLocalStorage('enable-streaming', true);
@@ -56,6 +57,7 @@ export const useSettingsStore = defineStore('settings', () => {
  };

  return {
+    isDark,
    ollamaApiAddress,
    modelName,
    enableStreaming,
--- a/src/style.css
+++ b/src/style.css
@@ -1 +1,25 @@
@import "tailwindcss";
+
+@variant dark (&:where(.dark, .dark *));
+
+/* Custom Scrollbar */
+::-webkit-scrollbar {
+  width: 8px;
+}
+::-webkit-scrollbar-track {
+  background: transparent;
+}
+::-webkit-scrollbar-thumb {
+  background: #e2e8f0;
+  border-radius: 4px;
+}
+::-webkit-scrollbar-thumb:hover {
+  background: #cbd5e1;
+}
+
+.dark ::-webkit-scrollbar-thumb {
+  background: #334155;
+}
+.dark ::-webkit-scrollbar-thumb:hover {
+  background: #475569;
+}