Lay groundwork for Tailwind v4 upgrade

9 files changed, 54 insertions, 36 deletions

diff --git a/apps/web/src/app/blog/[slug]/page.tsx b/apps/web/src/app/blog/[slug]/page.tsx
index 0de1e0a8..d759050b 100644
--- a/apps/web/src/app/blog/[slug]/page.tsx
+++ b/apps/web/src/app/blog/[slug]/page.tsx
@@ -87,8 +87,8 @@ async function Page({ params }: PageProps) {
 
       <main className="relative">
         <div className="absolute inset-0 overflow-hidden pointer-events-none">
-          <div className="absolute -top-40 -right-40 w-96 h-96 bg-gradient-to-br from-muted/20 to-transparent rounded-full blur-3xl" />
-          <div className="absolute top-1/2 -left-40 w-80 h-80 bg-gradient-to-tr from-muted/10 to-transparent rounded-full blur-3xl" />
+          <div className="absolute -top-40 -right-40 w-96 h-96 bg-linear-to-br from-muted/20 to-transparent rounded-full blur-3xl" />
+          <div className="absolute top-1/2 -left-40 w-80 h-80 bg-linear-to-tr from-muted/10 to-transparent rounded-full blur-3xl" />
         </div>
 
         <div className="relative container max-w-3xl mx-auto px-4 py-16">
diff --git a/apps/web/src/app/blog/page.tsx b/apps/web/src/app/blog/page.tsx
index ca553a67..08da9fd7 100644
--- a/apps/web/src/app/blog/page.tsx
+++ b/apps/web/src/app/blog/page.tsx
@@ -28,8 +28,8 @@ export default async function BlogPage() {
 
       <main className="relative">
         <div className="absolute inset-0 overflow-hidden pointer-events-none">
-          <div className="absolute -top-40 -right-40 w-96 h-96 bg-gradient-to-br from-muted/20 to-transparent rounded-full blur-3xl" />
-          <div className="absolute top-1/2 -left-40 w-80 h-80 bg-gradient-to-tr from-muted/10 to-transparent rounded-full blur-3xl" />
+          <div className="absolute -top-40 -right-40 w-96 h-96 bg-linear-to-br from-muted/20 to-transparent rounded-full blur-3xl" />
+          <div className="absolute top-1/2 -left-40 w-80 h-80 bg-linear-to-tr from-muted/10 to-transparent rounded-full blur-3xl" />
         </div>
 
         <div className="relative container max-w-3xl mx-auto px-4 py-16">
diff --git a/apps/web/src/app/contributors/page.tsx b/apps/web/src/app/contributors/page.tsx
index 29151bd8..3ad99023 100644
--- a/apps/web/src/app/contributors/page.tsx
+++ b/apps/web/src/app/contributors/page.tsx
@@ -77,8 +77,8 @@ export default async function ContributorsPage() {
 
       <main className="relative">
         <div className="absolute inset-0 overflow-hidden pointer-events-none">
-          <div className="absolute -top-40 -right-40 w-96 h-96 bg-gradient-to-br from-muted/20 to-transparent rounded-full blur-3xl" />
-          <div className="absolute top-1/2 -left-40 w-80 h-80 bg-gradient-to-tr from-muted/10 to-transparent rounded-full blur-3xl" />
+          <div className="absolute -top-40 -right-40 w-96 h-96 bg-linear-to-br from-muted/20 to-transparent rounded-full blur-3xl" />
+          <div className="absolute top-1/2 -left-40 w-80 h-80 bg-linear-to-tr from-muted/10 to-transparent rounded-full blur-3xl" />
         </div>
 
         <div className="relative container mx-auto px-4 py-16">
@@ -138,8 +138,8 @@ export default async function ContributorsPage() {
                       className="group block flex-1"
                     >
                       <div className="relative mx-auto max-w-md">
-                        <div className="absolute inset-0 bg-gradient-to-r from-muted/50 to-muted/30 rounded-2xl blur group-hover:blur-md transition-all duration-300" />
-                        <Card className="relative bg-background/80 backdrop-blur-sm border-2 group-hover:border-muted-foreground/20 transition-all duration-300 group-hover:shadow-xl">
+                        <div className="absolute inset-0 bg-linear-to-r from-muted/50 to-muted/30 rounded-2xl blur-sm group-hover:blur-md transition-all duration-300" />
+                        <Card className="relative bg-background/80 backdrop-blur-xs border-2 group-hover:border-muted-foreground/20 transition-all duration-300 group-hover:shadow-xl">
                           <CardContent className="p-8 text-center">
                             <div className="relative mb-6">
                               <Avatar className="h-24 w-24 mx-auto ring-4 ring-background shadow-2xl">
@@ -268,7 +268,7 @@ export default async function ContributorsPage() {
                         animationDelay: `${index * 100}ms`,
                       }}
                     >
-                      <Card className="h-full bg-background/80 backdrop-blur-sm border-2 group-hover:border-muted-foreground/20 transition-all duration-300 group-hover:shadow-xl">
+                      <Card className="h-full bg-background/80 backdrop-blur-xs border-2 group-hover:border-muted-foreground/20 transition-all duration-300 group-hover:shadow-xl">
                         <CardContent className="p-6 text-center h-full flex flex-col">
                           <div className="mb-4">
                             <div className="w-12 h-12 mx-auto rounded-full bg-muted/50 flex items-center justify-center group-hover:bg-muted/70 transition-colors">
diff --git a/apps/web/src/app/globals.css b/apps/web/src/app/globals.css
index 2f7158cc..9cc7ed6b 100644
--- a/apps/web/src/app/globals.css
+++ b/apps/web/src/app/globals.css
@@ -1,6 +1,24 @@
-@tailwind base;
-@tailwind components;
-@tailwind utilities;
+@import 'tailwindcss';
+
+@config '../../tailwind.config.ts';
+
+/*
+  The default border color has changed to `currentcolor` in Tailwind CSS v4,
+  so we've added these compatibility styles to make sure everything still
+  looks the same as it did with Tailwind CSS v3.
+
+  If we ever want to remove these styles, we need to add an explicit border
+  color utility to any element that depends on these defaults.
+*/
+@layer base {
+  *,
+  ::after,
+  ::before,
+  ::backdrop,
+  ::file-selector-button {
+    border-color: var(--color-gray-200, currentcolor);
+  }
+}
 
 @layer base {
   :root {
diff --git a/apps/web/src/app/privacy/page.tsx b/apps/web/src/app/privacy/page.tsx
index b7d700b5..4bb1e023 100644
--- a/apps/web/src/app/privacy/page.tsx
+++ b/apps/web/src/app/privacy/page.tsx
@@ -24,8 +24,8 @@ export default function PrivacyPage() {
       <Header />
       <main className="relative">
         <div className="absolute inset-0 overflow-hidden pointer-events-none">
-          <div className="absolute -top-40 -right-40 w-96 h-96 bg-gradient-to-br from-muted/20 to-transparent rounded-full blur-3xl" />
-          <div className="absolute top-1/2 -left-40 w-80 h-80 bg-gradient-to-tr from-muted/10 to-transparent rounded-full blur-3xl" />
+          <div className="absolute -top-40 -right-40 w-96 h-96 bg-linear-to-br from-muted/20 to-transparent rounded-full blur-3xl" />
+          <div className="absolute top-1/2 -left-40 w-80 h-80 bg-linear-to-tr from-muted/10 to-transparent rounded-full blur-3xl" />
         </div>
         <div className="relative container mx-auto px-4 py-16">
           <div className="max-w-4xl mx-auto">
@@ -47,7 +47,7 @@ export default function PrivacyPage() {
                 have any questions.
               </p>
             </div>
-            <Card className="bg-background/80 backdrop-blur-sm border-2 border-muted/30">
+            <Card className="bg-background/80 backdrop-blur-xs border-2 border-muted/30">
               <CardContent className="p-8 text-base leading-relaxed space-y-8">
                 <section>
                   <h2 className="text-2xl font-semibold mb-4">
diff --git a/apps/web/src/app/projects/page.tsx b/apps/web/src/app/projects/page.tsx
index 4b68791b..37c1ced2 100644
--- a/apps/web/src/app/projects/page.tsx
+++ b/apps/web/src/app/projects/page.tsx
@@ -142,7 +142,7 @@ export default function ProjectsPage() {
           href="/"
           className="flex items-center gap-1 hover:text-muted-foreground transition-colors"
         >
-          <ChevronLeft className="!size-5 shrink-0" />
+          <ChevronLeft className="size-5! shrink-0" />
           <span className="text-sm font-medium">Back</span>
         </Link>
         <div className="block md:hidden">
@@ -153,7 +153,7 @@ export default function ProjectsPage() {
                 size="sm"
                 onClick={handleCancelSelection}
               >
-                <X className="!size-4" />
+                <X className="size-4!" />
                 Cancel
               </Button>
               {selectedProjects.size > 0 && (
@@ -162,7 +162,7 @@ export default function ProjectsPage() {
                   size="sm"
                   onClick={() => setIsBulkDeleteDialogOpen(true)}
                 >
-                  <Trash2 className="!size-4" />
+                  <Trash2 className="size-4!" />
                   Delete ({selectedProjects.size})
                 </Button>
               )}
@@ -192,7 +192,7 @@ export default function ProjectsPage() {
             {isSelectionMode ? (
               <div className="flex items-center gap-2">
                 <Button variant="outline" onClick={handleCancelSelection}>
-                  <X className="!size-4" />
+                  <X className="size-4!" />
                   Cancel
                 </Button>
                 {selectedProjects.size > 0 && (
@@ -200,7 +200,7 @@ export default function ProjectsPage() {
                     variant="destructive"
                     onClick={() => setIsBulkDeleteDialogOpen(true)}
                   >
-                    <Trash2 className="!size-4" />
+                    <Trash2 className="size-4!" />
                     Delete Selected ({selectedProjects.size})
                   </Button>
                 )}
@@ -399,7 +399,7 @@ function ProjectCard({
       >
         {isSelectionMode && (
           <div className="absolute top-3 left-3 z-10">
-            <div className="w-5 h-5 rounded bg-background/80 backdrop-blur-sm border flex items-center justify-center">
+            <div className="w-5 h-5 rounded bg-background/80 backdrop-blur-xs border flex items-center justify-center">
               <Checkbox
                 checked={isSelected}
                 onCheckedChange={(checked) =>
@@ -426,7 +426,7 @@ function ProjectCard({
             />
           ) : (
             <div className="w-full h-full bg-muted/50 flex items-center justify-center">
-              <Video className="h-12 w-12 flex-shrink-0 text-muted-foreground" />
+              <Video className="h-12 w-12 shrink-0 text-muted-foreground" />
             </div>
           )}
         </div>
@@ -501,7 +501,7 @@ function ProjectCard({
 
         <div className="space-y-1">
           <div className="flex items-center gap-1.5 text-sm text-muted-foreground">
-            <Calendar className="!size-4" />
+            <Calendar className="size-4!" />
             <span>Created {formatDate(project.createdAt)}</span>
           </div>
         </div>
@@ -543,7 +543,7 @@ function ProjectCard({
 function CreateButton({ onClick }: { onClick?: () => void }) {
   return (
     <Button className="flex" onClick={onClick}>
-      <Plus className="!size-4" />
+      <Plus className="size-4!" />
       <span className="text-sm font-medium">New project</span>
     </Button>
   );
diff --git a/apps/web/src/app/roadmap/page.tsx b/apps/web/src/app/roadmap/page.tsx
index 5c003cf0..b26da5aa 100644
--- a/apps/web/src/app/roadmap/page.tsx
+++ b/apps/web/src/app/roadmap/page.tsx
@@ -122,8 +122,8 @@ export default function RoadmapPage() {
       <Header />
       <main className="relative">
         <div className="absolute inset-0 overflow-hidden pointer-events-none">
-          <div className="absolute -top-40 -right-40 w-96 h-96 bg-gradient-to-br from-muted/20 to-transparent rounded-full blur-3xl" />
-          <div className="absolute top-1/2 -left-40 w-80 h-80 bg-gradient-to-tr from-muted/10 to-transparent rounded-full blur-3xl" />
+          <div className="absolute -top-40 -right-40 w-96 h-96 bg-linear-to-br from-muted/20 to-transparent rounded-full blur-3xl" />
+          <div className="absolute top-1/2 -left-40 w-80 h-80 bg-linear-to-tr from-muted/10 to-transparent rounded-full blur-3xl" />
         </div>
         <div className="relative container mx-auto px-4 py-16">
           <div className="max-w-4xl mx-auto">
@@ -148,7 +148,7 @@ export default function RoadmapPage() {
               {roadmapItems.map((item, index) => (
                 <div key={index} className="relative">
                   <div className="flex items-start gap-2">
-                    <span className="text-lg font-medium text-muted-foreground select-none leading-[1.5]">
+                    <span className="text-lg font-medium text-muted-foreground select-none leading-normal">
                       {index + 1}.
                     </span>
                     <div className="flex-1 pt-[2px]">
@@ -156,13 +156,13 @@ export default function RoadmapPage() {
                         <h3 className="font-medium text-lg">{item.title}</h3>
                         <Badge
                           className={cn("shadow-none", {
-                            "!bg-green-500 text-white":
+                            "bg-green-500! text-white":
                               item.status.type === "complete",
-                            "!bg-yellow-500 text-white":
+                            "bg-yellow-500! text-white":
                               item.status.type === "pending",
-                            "!bg-blue-500 text-white":
+                            "bg-blue-500! text-white":
                               item.status.type === "info",
-                            "!bg-foreground/10 text-accent-foreground":
+                            "bg-foreground/10! text-accent-foreground":
                               item.status.type === "default",
                           })}
                         >
diff --git a/apps/web/src/app/terms/page.tsx b/apps/web/src/app/terms/page.tsx
index 7d1fda7f..ee202d8b 100644
--- a/apps/web/src/app/terms/page.tsx
+++ b/apps/web/src/app/terms/page.tsx
@@ -24,8 +24,8 @@ export default function TermsPage() {
       <Header />
       <main className="relative">
         <div className="absolute inset-0 overflow-hidden pointer-events-none">
-          <div className="absolute -top-40 -right-40 w-96 h-96 bg-gradient-to-br from-muted/20 to-transparent rounded-full blur-3xl" />
-          <div className="absolute top-1/2 -left-40 w-80 h-80 bg-gradient-to-tr from-muted/10 to-transparent rounded-full blur-3xl" />
+          <div className="absolute -top-40 -right-40 w-96 h-96 bg-linear-to-br from-muted/20 to-transparent rounded-full blur-3xl" />
+          <div className="absolute top-1/2 -left-40 w-80 h-80 bg-linear-to-tr from-muted/10 to-transparent rounded-full blur-3xl" />
         </div>
         <div className="relative container mx-auto px-4 py-16">
           <div className="max-w-4xl mx-auto">
@@ -47,7 +47,7 @@ export default function TermsPage() {
                 editor.
               </p>
             </div>
-            <Card className="bg-background/80 backdrop-blur-sm border-2 border-muted/30">
+            <Card className="bg-background/80 backdrop-blur-xs border-2 border-muted/30">
               <CardContent className="p-8 text-base leading-relaxed space-y-8">
                 <section>
                   <h2 className="text-2xl font-semibold mb-4">
diff --git a/apps/web/src/app/why-not-capcut/page.tsx b/apps/web/src/app/why-not-capcut/page.tsx
index 7fe6df66..b05860a6 100644
--- a/apps/web/src/app/why-not-capcut/page.tsx
+++ b/apps/web/src/app/why-not-capcut/page.tsx
@@ -7,8 +7,8 @@ export default function WhyNotCapcut() {
 
       <main className="relative mt-12">
         <div className="absolute inset-0 overflow-hidden pointer-events-none">
-          <div className="absolute -top-40 -right-40 w-96 h-96 bg-gradient-to-br from-muted/20 to-transparent rounded-full blur-3xl" />
-          <div className="absolute top-1/2 -left-40 w-80 h-80 bg-gradient-to-tr from-muted/10 to-transparent rounded-full blur-3xl" />
+          <div className="absolute -top-40 -right-40 w-96 h-96 bg-linear-to-br from-muted/20 to-transparent rounded-full blur-3xl" />
+          <div className="absolute top-1/2 -left-40 w-80 h-80 bg-linear-to-tr from-muted/10 to-transparent rounded-full blur-3xl" />
         </div>
 
         <div className="relative container mx-auto px-4 py-16">