refactor!: separate CSS into modular theme and base styles (#185)

- Split monolithic index.css into modular structure
- Introduced src/styles/theme.css for improved modularity
- Move base styles to src/styles/index.css

BREAKING CHANGE: CSS file structure has been reorganized

components.json

@@ -5,7 +5,7 @@
   "tsx": true,
   "tailwind": {
     "config": "",
-    "css": "src/index.css",
+    "css": "src/styles/index.css",
     "baseColor": "slate",
     "cssVariables": true,
     "prefix": ""
@@ -18,4 +18,4 @@
     "hooks": "@/hooks"
   },
   "iconLibrary": "lucide"
-}
+}

src/main.tsx

@@ -13,9 +13,10 @@ import { handleServerError } from '@/utils/handle-server-error'
 import { DirectionProvider } from './context/direction-context'
 import { FontProvider } from './context/font-context'
 import { ThemeProvider } from './context/theme-context'
-import './index.css'
 // Generated Routes
 import { routeTree } from './routeTree.gen'
+// Styles
+import './styles/index.css'
 
 const queryClient = new QueryClient({
   defaultOptions: {

src/styles/index.css

@@ -0,0 +1,81 @@
+@import 'tailwindcss';
+@import 'tw-animate-css';
+@import './theme.css';
+
+@custom-variant dark (&:is(.dark *));
+
+@layer base {
+  * {
+    @apply border-border outline-ring/50;
+    scrollbar-width: thin;
+    scrollbar-color: var(--border) transparent;
+  }
+  html {
+    @apply overflow-x-hidden;
+  }
+  body {
+    @apply bg-background text-foreground min-h-svh w-full;
+  }
+
+  button:not(:disabled),
+  [role='button']:not(:disabled) {
+    cursor: pointer;
+  }
+
+  /* Prevent focus zoom on mobile devices */
+  @media screen and (max-width: 767px) {
+    input,
+    select,
+    textarea {
+      font-size: 16px !important;
+    }
+  }
+}
+
+@utility container {
+  margin-inline: auto;
+  padding-inline: 2rem;
+}
+
+@utility no-scrollbar {
+  /* Hide scrollbar for Chrome, Safari and Opera */
+  &::-webkit-scrollbar {
+    display: none;
+  }
+  /* Hide scrollbar for IE, Edge and Firefox */
+  -ms-overflow-style: none; /* IE and Edge */
+  scrollbar-width: none; /* Firefox */
+}
+
+@utility faded-bottom {
+  @apply after:pointer-events-none after:absolute after:start-0 after:bottom-0 after:hidden after:h-32 after:w-full after:bg-[linear-gradient(180deg,_transparent_10%,_var(--background)_70%)] md:after:block;
+}
+
+/* styles.css */
+.CollapsibleContent {
+  overflow: hidden;
+}
+.CollapsibleContent[data-state='open'] {
+  animation: slideDown 300ms ease-out;
+}
+.CollapsibleContent[data-state='closed'] {
+  animation: slideUp 300ms ease-out;
+}
+
+@keyframes slideDown {
+  from {
+    height: 0;
+  }
+  to {
+    height: var(--radix-collapsible-content-height);
+  }
+}
+
+@keyframes slideUp {
+  from {
+    height: var(--radix-collapsible-content-height);
+  }
+  to {
+    height: 0;
+  }
+}

src/index.css → src/styles/theme.css

@@ -1,8 +1,3 @@
-@import 'tailwindcss';
-@import 'tw-animate-css';
-
-@custom-variant dark (&:is(.dark *));
-
 :root {
   --radius: 0.625rem;
   --background: oklch(1 0 0);
@@ -105,79 +100,3 @@
   --color-sidebar-border: var(--sidebar-border);
   --color-sidebar-ring: var(--sidebar-ring);
 }
-
-@layer base {
-  * {
-    @apply border-border outline-ring/50;
-    scrollbar-width: thin;
-    scrollbar-color: var(--border) transparent;
-  }
-  html {
-    @apply overflow-x-hidden;
-  }
-  body {
-    @apply bg-background text-foreground min-h-svh w-full;
-  }
-
-  button:not(:disabled),
-  [role='button']:not(:disabled) {
-    cursor: pointer;
-  }
-
-  /* Prevent focus zoom on mobile devices */
-  @media screen and (max-width: 767px) {
-    input,
-    select,
-    textarea {
-      font-size: 16px !important;
-    }
-  }
-}
-
-@utility container {
-  margin-inline: auto;
-  padding-inline: 2rem;
-}
-
-@utility no-scrollbar {
-  /* Hide scrollbar for Chrome, Safari and Opera */
-  &::-webkit-scrollbar {
-    display: none;
-  }
-  /* Hide scrollbar for IE, Edge and Firefox */
-  -ms-overflow-style: none; /* IE and Edge */
-  scrollbar-width: none; /* Firefox */
-}
-
-@utility faded-bottom {
-  @apply after:pointer-events-none after:absolute after:start-0 after:bottom-0 after:hidden after:h-32 after:w-full after:bg-[linear-gradient(180deg,_transparent_10%,_var(--background)_70%)] md:after:block;
-}
-
-/* styles.css */
-.CollapsibleContent {
-  overflow: hidden;
-}
-.CollapsibleContent[data-state='open'] {
-  animation: slideDown 300ms ease-out;
-}
-.CollapsibleContent[data-state='closed'] {
-  animation: slideUp 300ms ease-out;
-}
-
-@keyframes slideDown {
-  from {
-    height: 0;
-  }
-  to {
-    height: var(--radix-collapsible-content-height);
-  }
-}
-
-@keyframes slideUp {
-  from {
-    height: var(--radix-collapsible-content-height);
-  }
-  to {
-    height: 0;
-  }
-}