Refine root UI around shadcn primitives

components/layout/app-sidebar.tsx

@@ -41,7 +41,7 @@ export function AppSidebar({
         <Link
           href={item.href}
           className={cn(
-            "flex items-center gap-2 rounded-nested px-3 py-2 text-sm transition-colors",
+            "flex items-center gap-2 rounded-md px-3 py-2 text-sm transition-colors",
             item.active
               ? "bg-sidebar-primary text-sidebar-primary-foreground"
               : "text-sidebar-foreground/80 hover:bg-sidebar-accent hover:text-sidebar-accent-foreground",

components/layout/floating-preferences.tsx

@@ -20,7 +20,7 @@ export function FloatingPreferences({
   return (
     <div className={cn("fixed inset-x-0 top-0 z-50 px-4 pt-4 sm:px-6", className)}>
       <div className="mx-auto flex w-full max-w-max items-center justify-center gap-2">
-        <ThemeToggle ariaLabel={t("themeToggle")} className="bg-surface-1/90" />
+        <ThemeToggle ariaLabel={t("themeToggle")} className="bg-background/90" />
         <LocaleToggle locale={locale} />
       </div>
     </div>

components/layout/site-footer.tsx

@@ -22,7 +22,7 @@ export function SiteFooter({ isAdmin = false }: SiteFooterProps) {
   const tFooter = useTranslations("footer");
 
   return (
-    <footer className="border-t border-border bg-surface-2">
+    <footer className="border-t border-border bg-background">
       <Container className="flex flex-col gap-4 py-8">
         <nav className="flex flex-wrap gap-x-5 gap-y-3 text-sm">
           {navItems.map((item) => (

components/layout/site-header.tsx

@@ -71,7 +71,7 @@ export function SiteHeader({ isAdmin = false }: SiteHeaderProps) {
           <div className="flex items-center gap-4">
             <Link
               href={getLocalizedPath(locale)}
-              className="inline-flex items-center rounded-nested border border-border bg-surface-1 px-3 py-2 shadow-xs"
+              className="inline-flex items-center rounded-md border border-input bg-background px-3 py-2 shadow-sm"
             >
               <Image
                 src="/logos/light-primary.svg"
@@ -115,7 +115,7 @@ export function SiteHeader({ isAdmin = false }: SiteHeaderProps) {
       </Container>
 
       {isOpen ? (
-        <div className="border-t border-border/80 bg-surface-1 md:hidden">
+        <div className="border-t border-border/80 bg-background md:hidden">
           <Container className="py-4">
             <nav className="flex flex-col gap-3">
               <NavLinks isAdmin={isAdmin} onNavigate={() => setIsOpen(false)} />

components/root/flash-message.tsx

@@ -55,7 +55,7 @@ export function FlashMessage({
   return (
     <p
       className={cn(
-        "rounded-nested border px-4 py-3 text-sm",
+        "rounded-md border px-4 py-3 text-sm",
         type === "success"
           ? "border-status-success/30 bg-status-success/10 text-status-success"
           : "border-destructive/30 bg-destructive/10 text-destructive",

components/root/media-field-picker.tsx

@@ -3,7 +3,7 @@
 /* eslint-disable @next/next/no-img-element */
 
 import type { MediaKind } from "@prisma/client";
-import { Check, Search } from "lucide-react";
+import { Check, Link2, Search, Type, Upload } from "lucide-react";
 import { useEffect, useId, useMemo, useRef, useState } from "react";
 
 import type { MediaOption } from "@/lib/media";
@@ -110,9 +110,9 @@ export function MediaFieldPicker({
   }, [serializedValue]);
 
   return (
-    <div className="space-y-3 rounded-surface border border-border p-4">
+    <div className="space-y-3 rounded-lg border bg-card p-4 shadow-sm">
       <div className="space-y-2">
-        <Label>{title}</Label>
+        <Label className="sr-only">{title}</Label>
         <div className="flex flex-wrap gap-2">
           {modeOptions.map((mode) => (
             <button
@@ -128,10 +128,10 @@ export function MediaFieldPicker({
                 })
               }
               className={cn(
-                "rounded-pill border px-4 py-2 text-sm transition-colors",
+                "rounded-md border px-4 py-2 text-sm transition-colors",
                 value.mode === mode
-                  ? "border-border-strong bg-foreground text-background"
-                  : "border-border bg-background text-foreground/75 hover:border-border-strong hover:text-foreground",
+                  ? "border-input bg-primary text-primary-foreground"
+                  : "border-input bg-background text-foreground/75 hover:bg-accent hover:text-accent-foreground",
               )}
             >
               {mode}
@@ -150,7 +150,7 @@ export function MediaFieldPicker({
                   isCleared: true,
                 })
               }
-              className="rounded-pill border border-destructive/25 px-4 py-2 text-sm text-destructive transition-colors hover:border-destructive/50 hover:bg-destructive/5"
+              className="rounded-md border border-destructive/25 px-4 py-2 text-sm text-destructive transition-colors hover:bg-destructive/5"
             >
               {clearLabel}
             </button>
@@ -167,37 +167,48 @@ export function MediaFieldPicker({
 
       {value.mode !== "library" ? (
         <div className="space-y-2">
-          <Label>Label</Label>
-          <Input
-            value={value.label}
-            onChange={(event) => onChange({ ...value, label: event.target.value, isCleared: false })}
-            placeholder="Homepage Hero"
-          />
+          <Label className="sr-only">Label</Label>
+          <div className="relative">
+            <Type className="pointer-events-none absolute left-3 top-1/2 h-4 w-4 -translate-y-1/2 text-muted-foreground" />
+            <Input
+              value={value.label}
+              onChange={(event) => onChange({ ...value, label: event.target.value, isCleared: false })}
+              placeholder="Label"
+              className="pl-9"
+            />
+          </div>
         </div>
       ) : null}
 
       {value.mode === "upload" ? (
         <div className="space-y-2">
-          <Label>{fileLabel ?? fileFieldName}</Label>
-          <Input name={fileFieldName} type="file" accept={accept} />
+          <Label className="sr-only">{fileLabel ?? fileFieldName}</Label>
+          <div className="relative">
+            <Upload className="pointer-events-none absolute left-3 top-1/2 z-10 h-4 w-4 -translate-y-1/2 text-muted-foreground" />
+            <Input name={fileFieldName} type="file" accept={accept} className="pl-9 file:mr-3" />
+          </div>
         </div>
       ) : null}
 
       {value.mode === "external" ? (
         <div className="space-y-2">
-          <Label>{externalLabel ?? "External URL"}</Label>
-          <Input
-            value={value.url}
-            onChange={(event) => onChange({ ...value, url: event.target.value, isCleared: false })}
-            placeholder="https://example.com/image.jpg"
-          />
+          <Label className="sr-only">{externalLabel ?? "External URL"}</Label>
+          <div className="relative">
+            <Link2 className="pointer-events-none absolute left-3 top-1/2 h-4 w-4 -translate-y-1/2 text-muted-foreground" />
+            <Input
+              value={value.url}
+              onChange={(event) => onChange({ ...value, url: event.target.value, isCleared: false })}
+              placeholder={externalLabel ?? "External URL"}
+              className="pl-9"
+            />
+          </div>
         </div>
       ) : null}
 
       {value.mode === "library" ? (
         <div className="space-y-3">
-          <Label>{libraryLabel ?? "Media Library"}</Label>
-          <div className="space-y-2 rounded-nested border border-border bg-surface-1 p-3">
+          <Label className="sr-only">{libraryLabel ?? "Media Library"}</Label>
+          <div className="space-y-2 rounded-md border bg-card p-3">
             <div className="relative">
               <Search className="pointer-events-none absolute left-3 top-1/2 h-4 w-4 -translate-y-1/2 text-muted-foreground" />
               <Input
@@ -227,10 +238,10 @@ export function MediaFieldPicker({
                         })
                       }
                       className={cn(
-                        "flex w-full items-center gap-3 rounded-nested border px-3 py-2 text-left transition-colors",
+                        "flex w-full items-center gap-3 rounded-md border px-3 py-2 text-left transition-colors",
                         isActive
-                          ? "border-border-strong bg-background"
-                          : "border-border bg-background/70 hover:border-border-strong hover:bg-background",
+                          ? "border-input bg-accent/40"
+                          : "border-input bg-background hover:bg-accent/20",
                       )}
                     >
                       {option.url ? (
@@ -247,7 +258,7 @@ export function MediaFieldPicker({
                   );
                 })
               ) : (
-                <div className="rounded-nested border border-dashed border-border px-3 py-4 text-sm text-muted-foreground">
+                <div className="rounded-md border border-dashed border-input px-3 py-4 text-sm text-muted-foreground">
                   No media found.
                 </div>
               )}
@@ -258,11 +269,11 @@ export function MediaFieldPicker({
 
       {previewUrl ? (
         value.kind === "IMAGE" ? (
-          <div className="overflow-hidden rounded-nested border border-border bg-surface-1">
+          <div className="overflow-hidden rounded-md border bg-card">
             <img src={previewUrl} alt={value.label || title} className="h-40 w-full object-cover" />
           </div>
         ) : (
-          <div className="rounded-nested border border-border bg-surface-1 px-4 py-3 text-sm text-muted-foreground">
+          <div className="rounded-md border bg-card px-4 py-3 text-sm text-muted-foreground">
             {previewUrl}
           </div>
         )

components/root/portfolio-project-form.tsx

@@ -1,15 +1,34 @@
 "use client";
 
 import type { MediaKind, PortfolioAssetKind, PortfolioSectionType } from "@prisma/client";
-import { ArrowDown, ArrowUp, Plus, Trash2 } from "lucide-react";
+import {
+  ArrowDown,
+  ArrowUp,
+  BriefcaseBusiness,
+  CalendarRange,
+  FolderTree,
+  Hash,
+  Link2,
+  Plus,
+  Sparkles,
+  Trash2,
+} from "lucide-react";
 import { useState } from "react";
 
 import { MediaFieldPicker, type MediaFieldState } from "@/components/root/media-field-picker";
 import { AppCard } from "@/components/ui/app-card";
 import { Button } from "@/components/ui/button";
 import { CardContent, CardHeader, CardTitle } from "@/components/ui/card";
+import { Checkbox } from "@/components/ui/checkbox";
 import { Input } from "@/components/ui/input";
 import { Label } from "@/components/ui/label";
+import {
+  Select,
+  SelectContent,
+  SelectItem,
+  SelectTrigger,
+  SelectValue,
+} from "@/components/ui/select";
 import { Tabs, TabsContent, TabsList, TabsTrigger } from "@/components/ui/tabs";
 import { Textarea } from "@/components/ui/textarea";
 import { moveArrayItem } from "@/lib/array";
@@ -176,6 +195,8 @@ export function PortfolioProjectForm({
         }))
       : [],
   );
+  const [isFeatured, setIsFeatured] = useState(project?.isFeatured ?? false);
+  const [isPublished, setIsPublished] = useState(project?.isPublished ?? false);
 
   const sectionsPayload = JSON.stringify(
     sections.map((section, index) => ({
@@ -205,71 +226,106 @@ export function PortfolioProjectForm({
         </CardHeader>
         <CardContent className="grid gap-4 md:grid-cols-2">
           <div className="space-y-2">
-            <Label htmlFor="categoryId">Kategorie</Label>
-            <select
-              id="categoryId"
-              name="categoryId"
-              defaultValue={project?.category.id ?? categories[0]?.id ?? ""}
-              className="flex h-11 w-full rounded-pill border border-border bg-background px-4 text-sm text-foreground shadow-sm"
-              required
-            >
-              {categories.map((category) => (
-                <option key={category.id} value={category.id}>
-                  {category.name.de} / {category.name.en}
-                </option>
-              ))}
-            </select>
+            <Label htmlFor="categoryId" className="sr-only">Kategorie</Label>
+            <div className="relative">
+              <FolderTree className="pointer-events-none absolute left-3 top-1/2 z-10 h-4 w-4 -translate-y-1/2 text-muted-foreground" />
+              <Select
+                name="categoryId"
+                defaultValue={project?.category.id ?? categories[0]?.id ?? ""}
+                required
+              >
+                <SelectTrigger id="categoryId" className="pl-9">
+                  <SelectValue placeholder="Kategorie" />
+                </SelectTrigger>
+                <SelectContent>
+                  {categories.map((category) => (
+                    <SelectItem key={category.id} value={category.id}>
+                      {category.name.de} / {category.name.en}
+                    </SelectItem>
+                  ))}
+                </SelectContent>
+              </Select>
+            </div>
           </div>
 
           <div className="space-y-2">
-            <Label htmlFor="slug">Slug</Label>
-            <Input id="slug" name="slug" defaultValue={project?.slug ?? ""} required />
+            <Label htmlFor="slug" className="sr-only">Slug</Label>
+            <div className="relative">
+              <Hash className="pointer-events-none absolute left-3 top-1/2 z-10 h-4 w-4 -translate-y-1/2 text-muted-foreground" />
+              <Input
+                id="slug"
+                name="slug"
+                defaultValue={project?.slug ?? ""}
+                placeholder="Slug"
+                className="pl-9"
+                required
+              />
+            </div>
           </div>
 
           <div className="space-y-2">
-            <Label htmlFor="clientName">Kundenname</Label>
-            <Input
-              id="clientName"
-              name="clientName"
-              defaultValue={project?.clientName ?? ""}
-              required
-            />
+            <Label htmlFor="clientName" className="sr-only">Kundenname</Label>
+            <div className="relative">
+              <BriefcaseBusiness className="pointer-events-none absolute left-3 top-1/2 z-10 h-4 w-4 -translate-y-1/2 text-muted-foreground" />
+              <Input
+                id="clientName"
+                name="clientName"
+                defaultValue={project?.clientName ?? ""}
+                placeholder="Kundenname"
+                className="pl-9"
+                required
+              />
+            </div>
           </div>
 
           <div className="space-y-2">
-            <Label htmlFor="projectYear">Projektjahr</Label>
-            <Input
-              id="projectYear"
-              name="projectYear"
-              type="number"
-              min="2000"
-              max="2100"
-              defaultValue={project?.projectYear ?? new Date().getFullYear()}
-              required
-            />
+            <Label htmlFor="projectYear" className="sr-only">Projektjahr</Label>
+            <div className="relative">
+              <CalendarRange className="pointer-events-none absolute left-3 top-1/2 z-10 h-4 w-4 -translate-y-1/2 text-muted-foreground" />
+              <Input
+                id="projectYear"
+                name="projectYear"
+                type="number"
+                min="2000"
+                max="2100"
+                defaultValue={project?.projectYear ?? new Date().getFullYear()}
+                placeholder="Projektjahr"
+                className="pl-9"
+                required
+              />
+            </div>
           </div>
 
           <div className="space-y-2">
-            <Label htmlFor="previewUrl">Preview URL</Label>
-            <Input
-              id="previewUrl"
-              name="previewUrl"
-              type="url"
-              defaultValue={project?.previewUrl ?? ""}
-              placeholder="https://example.com"
-            />
+            <Label htmlFor="previewUrl" className="sr-only">Preview URL</Label>
+            <div className="relative">
+              <Link2 className="pointer-events-none absolute left-3 top-1/2 z-10 h-4 w-4 -translate-y-1/2 text-muted-foreground" />
+              <Input
+                id="previewUrl"
+                name="previewUrl"
+                type="url"
+                defaultValue={project?.previewUrl ?? ""}
+                placeholder="https://example.com"
+                className="pl-9"
+              />
+            </div>
           </div>
 
           <div className="space-y-2">
-            <Label htmlFor="sortOrder">Sortierung</Label>
-            <Input
-              id="sortOrder"
-              name="sortOrder"
-              type="number"
-              min="0"
-              defaultValue={project?.sortOrder ?? 0}
-              required
-            />
+            <Label htmlFor="sortOrder" className="sr-only">Sortierung</Label>
+            <div className="relative">
+              <Hash className="pointer-events-none absolute left-3 top-1/2 z-10 h-4 w-4 -translate-y-1/2 text-muted-foreground" />
+              <Input
+                id="sortOrder"
+                name="sortOrder"
+                type="number"
+                min="0"
+                defaultValue={project?.sortOrder ?? 0}
+                placeholder="Sortierung"
+                className="pl-9"
+                required
+              />
+            </div>
           </div>
 
           <div className="space-y-2 md:col-span-2">
@@ -284,13 +340,23 @@ export function PortfolioProjectForm({
             />
           </div>
 
-          <label className="flex items-center gap-3 rounded-nested border border-border px-4 py-3 text-sm">
-            <input type="checkbox" name="isFeatured" defaultChecked={project?.isFeatured ?? false} />
+          <label className="flex items-center gap-3 rounded-md border border-border px-4 py-3 text-sm">
+            <Checkbox
+              name="isFeatured"
+              checked={isFeatured}
+              onCheckedChange={(checked) => setIsFeatured(checked === true)}
+            />
+            <Sparkles className="h-4 w-4 text-muted-foreground" />
             Hervorgehoben
           </label>
 
-          <label className="flex items-center gap-3 rounded-nested border border-border px-4 py-3 text-sm">
-            <input type="checkbox" name="isPublished" defaultChecked={project?.isPublished ?? false} />
+          <label className="flex items-center gap-3 rounded-md border border-border px-4 py-3 text-sm">
+            <Checkbox
+              name="isPublished"
+              checked={isPublished}
+              onCheckedChange={(checked) => setIsPublished(checked === true)}
+            />
+            <Sparkles className="h-4 w-4 text-muted-foreground" />
             Veroeffentlicht
           </label>
         </CardContent>
@@ -411,25 +477,29 @@ export function PortfolioProjectForm({
                 <div className="grid gap-4 md:grid-cols-2">
                   <div className="space-y-2">
                     <Label>Typ</Label>
-                    <select
+                    <Select
                       value={section.type}
-                      onChange={(event) =>
+                      onValueChange={(value) =>
                         setSections((current) =>
                           current.map((item, currentIndex) =>
                             currentIndex === index
-                              ? { ...item, type: event.target.value as PortfolioSectionType }
+                              ? { ...item, type: value as PortfolioSectionType }
                               : item,
                           ),
                         )
                       }
-                      className="flex h-11 w-full rounded-pill border border-border bg-background px-4 text-sm text-foreground shadow-sm"
                     >
-                      {sectionTypeOptions.map((type) => (
-                        <option key={type} value={type}>
-                          {type}
-                        </option>
-                      ))}
-                    </select>
+                      <SelectTrigger>
+                        <SelectValue placeholder="Typ" />
+                      </SelectTrigger>
+                      <SelectContent>
+                        {sectionTypeOptions.map((type) => (
+                          <SelectItem key={type} value={type}>
+                            {type}
+                          </SelectItem>
+                        ))}
+                      </SelectContent>
+                    </Select>
                   </div>
 
                   <div className="space-y-2 md:col-span-2">
@@ -457,17 +527,22 @@ export function PortfolioProjectForm({
                   </div>
 
                   <div className="space-y-2 md:col-span-2">
-                    <Label>Link URL</Label>
-                    <Input
-                      value={section.linkUrl}
-                      onChange={(event) =>
-                        setSections((current) =>
-                          current.map((item, currentIndex) =>
-                            currentIndex === index ? { ...item, linkUrl: event.target.value } : item,
-                          ),
-                        )
-                      }
-                    />
+                    <Label className="sr-only">Link URL</Label>
+                    <div className="relative">
+                      <Link2 className="pointer-events-none absolute left-3 top-1/2 z-10 h-4 w-4 -translate-y-1/2 text-muted-foreground" />
+                      <Input
+                        value={section.linkUrl}
+                        onChange={(event) =>
+                          setSections((current) =>
+                            current.map((item, currentIndex) =>
+                              currentIndex === index ? { ...item, linkUrl: event.target.value } : item,
+                            ),
+                          )
+                        }
+                        placeholder="Link URL"
+                        className="pl-9"
+                      />
+                    </div>
                   </div>
 
                   {localeFieldConfig.map((locale) => (
@@ -575,32 +650,36 @@ export function PortfolioProjectForm({
                 <div className="grid gap-4 md:grid-cols-2">
                   <div className="space-y-2">
                     <Label>Typ</Label>
-                    <select
+                    <Select
                       value={asset.kind}
-                      onChange={(event) =>
+                      onValueChange={(value) =>
                         setAssets((current) =>
                           current.map((item, currentIndex) =>
                             currentIndex === index
                               ? {
                                   ...item,
-                                  kind: event.target.value as PortfolioAssetKind,
+                                  kind: value as PortfolioAssetKind,
                                   media: {
                                     ...item.media,
-                                    kind: event.target.value as PortfolioAssetKind,
+                                    kind: value as PortfolioAssetKind,
                                   },
                                 }
                               : item,
                           ),
                         )
                       }
-                      className="flex h-11 w-full rounded-pill border border-border bg-background px-4 text-sm text-foreground shadow-sm"
                     >
-                      {assetKindOptions.map((kind) => (
-                        <option key={kind} value={kind}>
-                          {kind}
-                        </option>
-                      ))}
-                    </select>
+                      <SelectTrigger>
+                        <SelectValue placeholder="Typ" />
+                      </SelectTrigger>
+                      <SelectContent>
+                        {assetKindOptions.map((kind) => (
+                          <SelectItem key={kind} value={kind}>
+                            {kind}
+                          </SelectItem>
+                        ))}
+                      </SelectContent>
+                    </Select>
                   </div>
 
                   <div className="space-y-2 md:col-span-2">

components/root/portfolio-projects-overview.tsx

@@ -0,0 +1,316 @@
+import { Boxes, ExternalLink, Filter, FolderKanban, Layers3, Plus, Tags } from "lucide-react";
+import Link from "next/link";
+
+import { MotionFade } from "@/components/motion-fade";
+import { PortfolioSubnav } from "@/components/root/portfolio-subnav";
+import { AppCard } from "@/components/ui/app-card";
+import { Badge } from "@/components/ui/badge";
+import { Button } from "@/components/ui/button";
+import { CardContent, CardHeader, CardTitle } from "@/components/ui/card";
+import { Label } from "@/components/ui/label";
+import {
+  Select,
+  SelectContent,
+  SelectItem,
+  SelectTrigger,
+  SelectValue,
+} from "@/components/ui/select";
+import { getLocalizedPath } from "@/lib/locale";
+import { getLocalizedValue, type PortfolioCategoryView, type PortfolioProjectView } from "@/lib/portfolio";
+
+type PortfolioProjectsOverviewProps = {
+  categories: PortfolioCategoryView[];
+  projects: PortfolioProjectView[];
+  selectedCategory: string;
+  selectedStatus: "all" | "draft" | "published";
+};
+
+const copy = {
+  summary: "Portfolio cockpit",
+  description: "Alle Projekte, Filter und Einstiegspunkte fuer die Bearbeitung an einem Ort.",
+  totalCategories: "Kategorien",
+  totalProjects: "Projekte",
+  publishedProjects: "Veroeffentlicht",
+  newProject: "Neues Projekt",
+  newCategory: "Neue Kategorie",
+  category: "Kategorie",
+  all: "Alle",
+  status: "Status",
+  draft: "Entwurf",
+  published: "Veroeffentlicht",
+  filter: "Filter anwenden",
+  empty: "Noch keine Projekte vorhanden. Lege das erste Projekt an und beginne direkt mit Inhalt, Abschnitten und Dateien.",
+  openProject: "Projekt ansehen",
+  editProject: "Projekt bearbeiten",
+  review: "Bearbeitungsstand",
+  reviewDone: "Bereit",
+  reviewMissing: "Fehlt etwas",
+  untitled: "Unbenanntes Projekt",
+  noCategory: "Ohne Kategorie",
+  noPreview: "Kein Preview Link",
+  hasPreview: "Preview Link vorhanden",
+  hasCover: "Cover gesetzt",
+  missingCover: "Cover fehlt",
+  hasSections: "Abschnitte vorhanden",
+  noSections: "Keine Abschnitte",
+  hasAssets: "Dateien vorhanden",
+  noAssets: "Keine Dateien",
+};
+
+function getProjectCompletion(project: PortfolioProjectView) {
+  const completedChecks = [
+    Boolean(project.slug.trim()),
+    Boolean(project.coverImagePath),
+    project.sections.length > 0,
+    project.assets.length > 0,
+    Boolean(project.title.ar.trim() && project.title.en.trim() && project.title.de.trim()),
+    Boolean(project.summary.ar.trim() && project.summary.en.trim() && project.summary.de.trim()),
+  ].filter(Boolean).length;
+
+  return {
+    completedChecks,
+    totalChecks: 6,
+    ready: completedChecks === 6,
+  };
+}
+
+export function PortfolioProjectsOverview({
+  categories,
+  projects,
+  selectedCategory,
+  selectedStatus,
+}: PortfolioProjectsOverviewProps) {
+  const publishedProjects = projects.filter((project) => project.isPublished).length;
+
+  return (
+    <div className="space-y-6">
+      <PortfolioSubnav active="projects" />
+
+      <MotionFade delay={0.05}>
+        <AppCard level={3}>
+          <CardContent className="flex flex-col gap-6 p-6 lg:flex-row lg:items-end lg:justify-between lg:p-8">
+            <div className="space-y-3">
+              <p className="text-xs font-semibold uppercase tracking-[0.14em] text-muted-foreground">
+                {copy.summary}
+              </p>
+              <div className="space-y-2">
+                <h2 className="text-2xl font-semibold text-foreground">Projektverwaltung</h2>
+                <p className="max-w-2xl text-sm text-muted-foreground">{copy.description}</p>
+              </div>
+            </div>
+
+            <div className="flex flex-wrap gap-3">
+              <Button asChild>
+                <Link href="/root/portfolio/projects/new">
+                  <Plus className="h-4 w-4" />
+                  {copy.newProject}
+                </Link>
+              </Button>
+              <Button asChild variant="outline">
+                <Link href="/root/portfolio/categories">
+                  <Tags className="h-4 w-4" />
+                  {copy.newCategory}
+                </Link>
+              </Button>
+            </div>
+          </CardContent>
+        </AppCard>
+      </MotionFade>
+
+      <section className="grid gap-4 md:grid-cols-3">
+        {[
+          {
+            icon: Layers3,
+            label: copy.totalCategories,
+            value: categories.length,
+          },
+          {
+            icon: FolderKanban,
+            label: copy.totalProjects,
+            value: projects.length,
+          },
+          {
+            icon: Boxes,
+            label: copy.publishedProjects,
+            value: publishedProjects,
+          },
+        ].map((item, index) => {
+          const Icon = item.icon;
+
+          return (
+            <MotionFade key={item.label} delay={0.08 + index * 0.04}>
+              <AppCard level={2}>
+                <CardContent className="flex items-center gap-4 p-6">
+                  <div className="flex h-12 w-12 items-center justify-center rounded-full bg-muted">
+                    <Icon className="h-5 w-5 text-brand-primary" />
+                  </div>
+                  <div>
+                    <p className="text-sm text-muted-foreground">{item.label}</p>
+                    <p className="text-3xl font-semibold text-foreground">{item.value}</p>
+                  </div>
+                </CardContent>
+              </AppCard>
+            </MotionFade>
+          );
+        })}
+      </section>
+
+      <MotionFade delay={0.14}>
+        <AppCard>
+          <CardContent className="p-6">
+            <form className="grid gap-4 lg:grid-cols-[minmax(0,1fr)_minmax(0,1fr)_auto]">
+              <div className="space-y-2">
+                <Label htmlFor="portfolio-filter-category" className="sr-only">
+                  {copy.category}
+                </Label>
+                <div className="relative">
+                  <Tags className="pointer-events-none absolute left-3 top-1/2 z-10 h-4 w-4 -translate-y-1/2 text-muted-foreground" />
+                  <Select name="category" defaultValue={selectedCategory || "__all__"}>
+                    <SelectTrigger id="portfolio-filter-category" className="pl-9">
+                      <SelectValue placeholder={copy.category} />
+                    </SelectTrigger>
+                    <SelectContent>
+                      <SelectItem value="__all__">{copy.all}</SelectItem>
+                      {categories.map((category) => (
+                        <SelectItem key={category.id} value={category.id}>
+                          {category.name.de}
+                        </SelectItem>
+                      ))}
+                    </SelectContent>
+                  </Select>
+                </div>
+              </div>
+
+              <div className="space-y-2">
+                <Label htmlFor="portfolio-filter-status" className="sr-only">
+                  {copy.status}
+                </Label>
+                <div className="relative">
+                  <Filter className="pointer-events-none absolute left-3 top-1/2 z-10 h-4 w-4 -translate-y-1/2 text-muted-foreground" />
+                  <Select name="status" defaultValue={selectedStatus}>
+                    <SelectTrigger id="portfolio-filter-status" className="pl-9">
+                      <SelectValue placeholder={copy.status} />
+                    </SelectTrigger>
+                    <SelectContent>
+                      <SelectItem value="all">{copy.all}</SelectItem>
+                      <SelectItem value="draft">{copy.draft}</SelectItem>
+                      <SelectItem value="published">{copy.published}</SelectItem>
+                    </SelectContent>
+                  </Select>
+                </div>
+              </div>
+
+              <div className="flex items-end">
+                <Button type="submit" variant="outline">
+                  {copy.filter}
+                </Button>
+              </div>
+            </form>
+          </CardContent>
+        </AppCard>
+      </MotionFade>
+
+      <div className="grid gap-4">
+        {projects.map((project, index) => {
+          const completion = getProjectCompletion(project);
+
+          return (
+            <MotionFade key={project.id} delay={0.18 + index * 0.03}>
+              <AppCard interactive>
+                <CardHeader className="flex flex-col gap-4 lg:flex-row lg:items-start lg:justify-between">
+                  <div className="space-y-2">
+                    <div className="flex flex-wrap items-center gap-2">
+                      <CardTitle className="text-xl">
+                        {getLocalizedValue(project.title, "de") || copy.untitled}
+                      </CardTitle>
+                      <Badge variant={project.isPublished ? "success" : "warning"}>
+                        {project.isPublished ? copy.published : copy.draft}
+                      </Badge>
+                    </div>
+                    <div className="flex flex-wrap items-center gap-2 text-sm text-muted-foreground">
+                      <span>{project.category.name.de || copy.noCategory}</span>
+                      <span>•</span>
+                      <span>{project.projectYear}</span>
+                      <span>•</span>
+                      <span>{project.slug}</span>
+                    </div>
+                  </div>
+
+                  <div className="flex flex-wrap gap-2">
+                    <Badge variant={completion.ready ? "success" : "warning"}>
+                      {copy.review}: {completion.completedChecks}/{completion.totalChecks}
+                    </Badge>
+                    <Badge variant="outline">
+                      {completion.ready ? copy.reviewDone : copy.reviewMissing}
+                    </Badge>
+                  </div>
+                </CardHeader>
+
+                <CardContent className="space-y-5">
+                  <p className="max-w-3xl text-sm text-muted-foreground">
+                    {getLocalizedValue(project.summary, "de") || "Noch keine Kurzbeschreibung hinterlegt."}
+                  </p>
+
+                  <div className="flex flex-wrap gap-2">
+                    <Badge variant={project.previewUrl ? "success" : "outline"}>
+                      {project.previewUrl ? copy.hasPreview : copy.noPreview}
+                    </Badge>
+                    <Badge variant={project.coverImagePath ? "success" : "outline"}>
+                      {project.coverImagePath ? copy.hasCover : copy.missingCover}
+                    </Badge>
+                    <Badge variant={project.sections.length > 0 ? "success" : "outline"}>
+                      {project.sections.length > 0 ? copy.hasSections : copy.noSections}
+                    </Badge>
+                    <Badge variant={project.assets.length > 0 ? "success" : "outline"}>
+                      {project.assets.length > 0 ? copy.hasAssets : copy.noAssets}
+                    </Badge>
+                  </div>
+
+                  <div className="flex flex-wrap gap-3">
+                    <Button asChild variant="outline">
+                      <Link
+                        href={getLocalizedPath("de", `/portfolio/${project.slug}`)}
+                        target="_blank"
+                        rel="noreferrer"
+                      >
+                        <ExternalLink className="h-4 w-4" />
+                        {copy.openProject}
+                      </Link>
+                    </Button>
+                    <Button asChild>
+                      <Link href={`/root/portfolio/projects/${project.id}`}>{copy.editProject}</Link>
+                    </Button>
+                  </div>
+                </CardContent>
+              </AppCard>
+            </MotionFade>
+          );
+        })}
+
+        {projects.length === 0 ? (
+          <MotionFade delay={0.18}>
+            <AppCard>
+              <CardContent className="space-y-4 p-6">
+                <p className="text-sm text-muted-foreground">{copy.empty}</p>
+                <div className="flex flex-wrap gap-3">
+                  <Button asChild>
+                    <Link href="/root/portfolio/projects/new">
+                      <Plus className="h-4 w-4" />
+                      {copy.newProject}
+                    </Link>
+                  </Button>
+                  <Button asChild variant="outline">
+                    <Link href="/root/portfolio/categories">
+                      <Tags className="h-4 w-4" />
+                      {copy.newCategory}
+                    </Link>
+                  </Button>
+                </div>
+              </CardContent>
+            </AppCard>
+          </MotionFade>
+        ) : null}
+      </div>
+    </div>
+  );
+}

components/root/portfolio-subnav.tsx

@@ -5,13 +5,13 @@ import { CardContent } from "@/components/ui/card";
 import { cn } from "@/lib/utils";
 
 type PortfolioSubnavProps = {
-  active: "overview" | "categories";
+  active: "projects" | "categories";
 };
 
 const items = [
   {
-    key: "overview",
-    label: "Uebersicht",
+    key: "projects",
+    label: "Projekte",
     href: "/root/portfolio",
   },
   {
@@ -30,10 +30,10 @@ export function PortfolioSubnav({ active }: PortfolioSubnavProps) {
             key={item.key}
             href={item.href}
             className={cn(
-              "rounded-pill border px-4 py-2 text-sm transition-colors",
+              "rounded-md border px-4 py-2 text-sm transition-colors",
               active === item.key
-                ? "border-border-strong bg-foreground text-background"
-                : "border-border bg-background text-foreground/75 hover:border-border-strong hover:text-foreground",
+                ? "border-input bg-primary text-primary-foreground"
+                : "border-input bg-background text-foreground/75 hover:bg-accent hover:text-accent-foreground",
             )}
           >
             {item.label}

components/root/sidebar-maintenance-control.tsx

@@ -5,6 +5,7 @@ import { usePathname } from "next/navigation";
 import { useState } from "react";
 
 import { Badge } from "@/components/ui/badge";
+import { Checkbox } from "@/components/ui/checkbox";
 import { cn } from "@/lib/utils";
 
 type SidebarMaintenanceControlProps = {
@@ -33,10 +34,10 @@ export function SidebarMaintenanceControl({
       <label
         htmlFor="sidebar-maintenance-enabled"
         className={cn(
-          "flex cursor-pointer items-center justify-between gap-3 rounded-nested border px-3 py-2 transition-colors",
+          "flex cursor-pointer items-center justify-between gap-3 rounded-md border px-3 py-2 transition-colors",
           enabled
             ? "border-status-warning/40 bg-status-warning-soft/80"
-            : "border-border bg-surface-1 hover:bg-surface-2",
+            : "border-input bg-card hover:bg-accent/20",
         )}
       >
         <span className="flex min-w-0 items-center gap-3">
@@ -63,11 +64,10 @@ export function SidebarMaintenanceControl({
         </Badge>
       </label>
 
-      <input
+      <Checkbox
         id="sidebar-maintenance-enabled"
-        type="checkbox"
         checked={enabled}
-        onChange={(event) => setEnabled(event.target.checked)}
+        onCheckedChange={(checked) => setEnabled(checked === true)}
         className="sr-only"
       />
     </form>

components/root/site-settings-form.tsx

@@ -3,7 +3,7 @@
 /* eslint-disable @next/next/no-img-element */
 
 import { MediaKind } from "@prisma/client";
-import { ImageIcon, Search, Type } from "lucide-react";
+import { FileText, ImageIcon, Search, Type } from "lucide-react";
 import { useState } from "react";
 
 import { MediaFieldPicker, type MediaFieldState } from "@/components/root/media-field-picker";
@@ -179,95 +179,114 @@ export function SiteSettingsForm({
             </CardHeader>
             <CardContent className="grid gap-4 lg:grid-cols-3">
               {localeFields.map((locale) => (
-                <div key={locale.key} className="space-y-4 rounded-surface border border-border bg-surface-1 p-4">
+                <div key={locale.key} className="space-y-4 rounded-lg border bg-card p-4 shadow-sm">
                   <div>
                     <p className="text-sm font-medium text-foreground">{locale.label}</p>
                     <p className="mt-1 text-xs text-muted-foreground">Globale Standardwerte fuer diese Sprache.</p>
                   </div>
 
                   <div className="space-y-2">
-                    <Label htmlFor={`siteName${locale.suffix}`}>Site Name</Label>
-                    <Input
-                      id={`siteName${locale.suffix}`}
-                      name={`siteName${locale.suffix}`}
-                      value={settings.locales[locale.key].siteName}
-                      onChange={(event) =>
-                        setSettings((current) => ({
-                          ...current,
-                          locales: {
-                            ...current.locales,
-                            [locale.key]: {
-                              ...current.locales[locale.key],
-                              siteName: event.target.value,
+                    <Label htmlFor={`siteName${locale.suffix}`} className="sr-only">Site Name</Label>
+                    <div className="relative">
+                      <Type className="pointer-events-none absolute left-3 top-1/2 h-4 w-4 -translate-y-1/2 text-muted-foreground" />
+                      <Input
+                        id={`siteName${locale.suffix}`}
+                        name={`siteName${locale.suffix}`}
+                        value={settings.locales[locale.key].siteName}
+                        onChange={(event) =>
+                          setSettings((current) => ({
+                            ...current,
+                            locales: {
+                              ...current.locales,
+                              [locale.key]: {
+                                ...current.locales[locale.key],
+                                siteName: event.target.value,
+                              },
                             },
-                          },
-                        }))
-                      }
-                    />
+                          }))
+                        }
+                        placeholder="Site Name"
+                        className="pl-9"
+                      />
+                    </div>
                   </div>
 
                   <div className="space-y-2">
-                    <Label htmlFor={`titleTemplate${locale.suffix}`}>Title Template</Label>
-                    <Input
-                      id={`titleTemplate${locale.suffix}`}
-                      name={`titleTemplate${locale.suffix}`}
-                      value={settings.locales[locale.key].titleTemplate}
-                      onChange={(event) =>
-                        setSettings((current) => ({
-                          ...current,
-                          locales: {
-                            ...current.locales,
-                            [locale.key]: {
-                              ...current.locales[locale.key],
-                              titleTemplate: event.target.value,
+                    <Label htmlFor={`titleTemplate${locale.suffix}`} className="sr-only">Title Template</Label>
+                    <div className="relative">
+                      <Search className="pointer-events-none absolute left-3 top-1/2 h-4 w-4 -translate-y-1/2 text-muted-foreground" />
+                      <Input
+                        id={`titleTemplate${locale.suffix}`}
+                        name={`titleTemplate${locale.suffix}`}
+                        value={settings.locales[locale.key].titleTemplate}
+                        onChange={(event) =>
+                          setSettings((current) => ({
+                            ...current,
+                            locales: {
+                              ...current.locales,
+                              [locale.key]: {
+                                ...current.locales[locale.key],
+                                titleTemplate: event.target.value,
+                              },
                             },
-                          },
-                        }))
-                      }
-                      placeholder="{pageTitle} | {siteName}"
-                    />
+                          }))
+                        }
+                        placeholder="Title Template"
+                        className="pl-9"
+                      />
+                    </div>
                   </div>
 
                   <div className="space-y-2">
-                    <Label htmlFor={`siteDescription${locale.suffix}`}>Site Description</Label>
-                    <Input
-                      id={`siteDescription${locale.suffix}`}
-                      name={`siteDescription${locale.suffix}`}
-                      value={settings.locales[locale.key].siteDescription}
-                      onChange={(event) =>
-                        setSettings((current) => ({
-                          ...current,
-                          locales: {
-                            ...current.locales,
-                            [locale.key]: {
-                              ...current.locales[locale.key],
-                              siteDescription: event.target.value,
+                    <Label htmlFor={`siteDescription${locale.suffix}`} className="sr-only">Site Description</Label>
+                    <div className="relative">
+                      <FileText className="pointer-events-none absolute left-3 top-1/2 h-4 w-4 -translate-y-1/2 text-muted-foreground" />
+                      <Input
+                        id={`siteDescription${locale.suffix}`}
+                        name={`siteDescription${locale.suffix}`}
+                        value={settings.locales[locale.key].siteDescription}
+                        onChange={(event) =>
+                          setSettings((current) => ({
+                            ...current,
+                            locales: {
+                              ...current.locales,
+                              [locale.key]: {
+                                ...current.locales[locale.key],
+                                siteDescription: event.target.value,
+                              },
                             },
-                          },
-                        }))
-                      }
-                    />
+                          }))
+                        }
+                        placeholder="Site Description"
+                        className="pl-9"
+                      />
+                    </div>
                   </div>
 
                   <div className="space-y-2">
-                    <Label htmlFor={`subhead${locale.suffix}`}>Subhead</Label>
-                    <Input
-                      id={`subhead${locale.suffix}`}
-                      name={`subhead${locale.suffix}`}
-                      value={settings.locales[locale.key].subhead}
-                      onChange={(event) =>
-                        setSettings((current) => ({
-                          ...current,
-                          locales: {
-                            ...current.locales,
-                            [locale.key]: {
-                              ...current.locales[locale.key],
-                              subhead: event.target.value,
+                    <Label htmlFor={`subhead${locale.suffix}`} className="sr-only">Subhead</Label>
+                    <div className="relative">
+                      <Type className="pointer-events-none absolute left-3 top-1/2 h-4 w-4 -translate-y-1/2 text-muted-foreground" />
+                      <Input
+                        id={`subhead${locale.suffix}`}
+                        name={`subhead${locale.suffix}`}
+                        value={settings.locales[locale.key].subhead}
+                        onChange={(event) =>
+                          setSettings((current) => ({
+                            ...current,
+                            locales: {
+                              ...current.locales,
+                              [locale.key]: {
+                                ...current.locales[locale.key],
+                                subhead: event.target.value,
+                              },
                             },
-                          },
-                        }))
-                      }
-                    />
+                          }))
+                        }
+                        placeholder="Subhead"
+                        className="pl-9"
+                      />
+                    </div>
                   </div>
                 </div>
               ))}
@@ -344,7 +363,7 @@ export function SiteSettingsForm({
                     : `${locale.sampleTitle} | ${localeSettings.siteName}`;
 
                   return (
-                    <div key={locale.key} className="rounded-nested border border-border bg-background p-3">
+                    <div key={locale.key} className="rounded-md border bg-card p-3">
                       <p className="font-medium text-foreground">{locale.label}</p>
                       <p className="mt-2 text-xs text-muted-foreground">
                         Example page title: {locale.sampleTitle}
@@ -365,12 +384,12 @@ export function SiteSettingsForm({
                 <Search className="h-4 w-4 text-brand-primary" />
                 Search Preview
               </div>
-              <div className="rounded-nested border border-border bg-background p-4">
+              <div className="rounded-md border bg-card p-4">
                 <div className="flex items-center gap-3">
                   {faviconPreviewUrl ? (
                     <img src={faviconPreviewUrl} alt="Favicon" className="h-5 w-5 rounded-sm" />
                   ) : (
-                    <div className="flex h-5 w-5 items-center justify-center rounded-sm border border-border bg-surface-1">
+                    <div className="flex h-5 w-5 items-center justify-center rounded-sm border bg-muted/40">
                       <Type className="h-3.5 w-3.5 text-muted-foreground" />
                     </div>
                   )}
@@ -394,11 +413,11 @@ export function SiteSettingsForm({
                 <ImageIcon className="h-4 w-4 text-brand-secondary" />
                 Social Preview
               </div>
-              <div className="overflow-hidden rounded-nested border border-border bg-background">
+              <div className="overflow-hidden rounded-md border bg-card">
                 {defaultOgImagePreviewUrl ? (
                   <img src={defaultOgImagePreviewUrl} alt="Default OG" className="h-32 w-full object-cover" />
                 ) : (
-                  <div className="flex h-32 items-center justify-center bg-surface-1 text-sm text-muted-foreground">
+                  <div className="flex h-32 items-center justify-center bg-muted/40 text-sm text-muted-foreground">
                     No OG image selected
                   </div>
                 )}

components/ui/app-card.tsx

@@ -5,14 +5,14 @@ import { Card } from "@/components/ui/card";
 import { cn } from "@/lib/utils";
 
 const appCardVariants = cva(
-  "rounded-surface border transition-all duration-200",
+  "rounded-lg transition-colors",
   {
     variants: {
       level: {
-        1: "border-border bg-surface-1 text-foreground shadow-card",
-        2: "border-border bg-surface-2 text-foreground shadow-sm",
-        3: "border-border/90 bg-surface-3 text-foreground shadow-panel",
-        inverse: "border-transparent bg-surface-inverse text-surface-inverse-foreground shadow-lg",
+        1: "border bg-card text-card-foreground shadow-sm",
+        2: "border bg-card text-card-foreground shadow-sm",
+        3: "border bg-card text-card-foreground shadow-md",
+        inverse: "border-transparent bg-foreground text-background shadow-sm",
       },
       padding: {
         none: "",
@@ -21,7 +21,7 @@ const appCardVariants = cva(
         lg: "p-8",
       },
       interactive: {
-        true: "hover:-translate-y-0.5 hover:border-border-strong hover:shadow-md",
+        true: "hover:bg-accent/30 hover:text-accent-foreground",
         false: "",
       },
     },

components/ui/badge.tsx

@@ -10,7 +10,7 @@ const badgeVariants = cva(
       variant: {
         default: "border-transparent bg-primary text-primary-foreground",
         secondary: "border-transparent bg-secondary text-secondary-foreground",
-        outline: "border-border bg-surface-1 text-foreground",
+        outline: "border-input bg-background text-foreground",
         success: "border-transparent bg-status-success-soft text-status-success",
         warning: "border-transparent bg-status-warning-soft text-status-warning",
       },

components/ui/button.tsx

@@ -5,16 +5,16 @@ import { cva, type VariantProps } from "class-variance-authority";
 import { cn } from "@/lib/utils";
 
 const buttonVariants = cva(
-  "inline-flex items-center justify-center gap-2 whitespace-nowrap rounded-nested text-sm font-medium ring-offset-background transition-all duration-200 focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:pointer-events-none disabled:opacity-50",
+  "inline-flex items-center justify-center gap-2 whitespace-nowrap rounded-md text-sm font-medium ring-offset-background transition-colors focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:pointer-events-none disabled:opacity-50",
   {
     variants: {
       variant: {
-        default: "bg-primary text-primary-foreground shadow-xs hover:brightness-95",
-        secondary: "bg-secondary text-secondary-foreground shadow-xs hover:bg-secondary/80",
-        outline: "border border-border bg-surface-1 text-foreground shadow-xs hover:border-border-strong hover:bg-surface-2",
+        default: "bg-primary text-primary-foreground hover:bg-primary/90",
+        secondary: "bg-secondary text-secondary-foreground hover:bg-secondary/80",
+        outline: "border border-input bg-background hover:bg-accent hover:text-accent-foreground",
         ghost: "text-muted-foreground hover:bg-muted hover:text-foreground",
         link: "rounded-none text-primary underline-offset-4 hover:underline",
-        destructive: "bg-destructive text-destructive-foreground shadow-xs hover:brightness-95",
+        destructive: "bg-destructive text-destructive-foreground hover:bg-destructive/90",
       },
       size: {
         default: "h-10 px-4 py-2",

components/ui/card.tsx

@@ -7,7 +7,7 @@ const Card = React.forwardRef<HTMLDivElement, React.HTMLAttributes<HTMLDivElemen
     <div
       ref={ref}
       className={cn(
-        "rounded-surface border border-border bg-surface-1 text-card-foreground shadow-card",
+        "rounded-lg border bg-card text-card-foreground shadow-sm",
         className,
       )}
       {...props}

components/ui/checkbox.tsx

@@ -0,0 +1,50 @@
+"use client";
+
+import * as React from "react";
+import * as CheckboxPrimitive from "@radix-ui/react-checkbox";
+import { Check } from "lucide-react";
+
+import { cn } from "@/lib/utils";
+
+type CheckboxProps = React.ComponentPropsWithoutRef<typeof CheckboxPrimitive.Root> & {
+  name?: string;
+};
+
+const Checkbox = React.forwardRef<
+  React.ElementRef<typeof CheckboxPrimitive.Root>,
+  CheckboxProps
+>(({ className, name, checked, defaultChecked, onCheckedChange, ...props }, ref) => {
+  const [internalChecked, setInternalChecked] = React.useState(defaultChecked === true);
+  const isControlled = checked !== undefined;
+  const currentChecked = isControlled ? checked === true : internalChecked;
+
+  return (
+    <>
+      {name ? <input type="hidden" name={name} value={currentChecked ? "on" : "false"} /> : null}
+      <CheckboxPrimitive.Root
+        ref={ref}
+        checked={checked}
+        defaultChecked={defaultChecked}
+        onCheckedChange={(nextChecked) => {
+          if (!isControlled) {
+            setInternalChecked(nextChecked === true);
+          }
+          onCheckedChange?.(nextChecked);
+        }}
+        className={cn(
+          "peer h-4 w-4 shrink-0 rounded-sm border border-primary ring-offset-background focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:cursor-not-allowed disabled:opacity-50 data-[state=checked]:bg-primary data-[state=checked]:text-primary-foreground",
+          className,
+        )}
+        {...props}
+      >
+        <CheckboxPrimitive.Indicator className="flex items-center justify-center text-current">
+          <Check className="h-3.5 w-3.5" />
+        </CheckboxPrimitive.Indicator>
+      </CheckboxPrimitive.Root>
+    </>
+  );
+});
+
+Checkbox.displayName = CheckboxPrimitive.Root.displayName;
+
+export { Checkbox };

components/ui/input.tsx

@@ -7,7 +7,7 @@ const Input = React.forwardRef<HTMLInputElement, React.ComponentProps<"input">>(
     <input
       type={type}
       className={cn(
-        "flex h-10 w-full rounded-nested border border-input bg-surface-1 px-3 py-2 text-sm text-foreground ring-offset-background file:border-0 file:bg-transparent file:text-sm file:font-medium placeholder:text-muted-foreground focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:cursor-not-allowed disabled:opacity-50",
+        "flex h-10 w-full rounded-md border border-input bg-background px-3 py-2 text-base text-foreground ring-offset-background file:border-0 file:bg-transparent file:text-sm file:font-medium file:text-foreground placeholder:text-muted-foreground focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:cursor-not-allowed disabled:opacity-50 md:text-sm",
         className,
       )}
       ref={ref}

components/ui/select.tsx

@@ -0,0 +1,195 @@
+"use client";
+
+import * as React from "react";
+import * as SelectPrimitive from "@radix-ui/react-select";
+import { Check, ChevronDown, ChevronUp } from "lucide-react";
+
+import { cn } from "@/lib/utils";
+
+type SelectProps = React.ComponentPropsWithoutRef<typeof SelectPrimitive.Root> & {
+  name?: string;
+  required?: boolean;
+};
+
+function Select({
+  name,
+  required,
+  value,
+  defaultValue,
+  onValueChange,
+  children,
+  ...props
+}: SelectProps) {
+  const [internalValue, setInternalValue] = React.useState(defaultValue ?? "");
+  const isControlled = value !== undefined;
+  const currentValue = (isControlled ? value : internalValue) as string;
+
+  return (
+    <>
+      {name ? <input type="hidden" name={name} value={currentValue} required={required} /> : null}
+      <SelectPrimitive.Root
+        value={value}
+        defaultValue={defaultValue}
+        onValueChange={(nextValue) => {
+          if (!isControlled) {
+            setInternalValue(nextValue);
+          }
+          onValueChange?.(nextValue);
+        }}
+        {...props}
+      >
+        {children}
+      </SelectPrimitive.Root>
+    </>
+  );
+}
+
+const SelectGroup = SelectPrimitive.Group;
+
+const SelectValue = SelectPrimitive.Value;
+
+const SelectTrigger = React.forwardRef<
+  React.ElementRef<typeof SelectPrimitive.Trigger>,
+  React.ComponentPropsWithoutRef<typeof SelectPrimitive.Trigger>
+>(({ className, children, ...props }, ref) => (
+  <SelectPrimitive.Trigger
+    ref={ref}
+    className={cn(
+      "flex h-10 w-full items-center justify-between rounded-md border border-input bg-background px-3 py-2 text-sm ring-offset-background placeholder:text-muted-foreground focus:outline-none focus:ring-2 focus:ring-ring focus:ring-offset-2 disabled:cursor-not-allowed disabled:opacity-50 [&>span]:line-clamp-1",
+      className,
+    )}
+    {...props}
+  >
+    {children}
+    <SelectPrimitive.Icon asChild>
+      <ChevronDown className="h-4 w-4 opacity-50" />
+    </SelectPrimitive.Icon>
+  </SelectPrimitive.Trigger>
+));
+
+SelectTrigger.displayName = SelectPrimitive.Trigger.displayName;
+
+const SelectScrollUpButton = React.forwardRef<
+  React.ElementRef<typeof SelectPrimitive.ScrollUpButton>,
+  React.ComponentPropsWithoutRef<typeof SelectPrimitive.ScrollUpButton>
+>(({ className, ...props }, ref) => (
+  <SelectPrimitive.ScrollUpButton
+    ref={ref}
+    className={cn("flex cursor-default items-center justify-center py-1", className)}
+    {...props}
+  >
+    <ChevronUp className="h-4 w-4" />
+  </SelectPrimitive.ScrollUpButton>
+));
+
+SelectScrollUpButton.displayName = SelectPrimitive.ScrollUpButton.displayName;
+
+const SelectScrollDownButton = React.forwardRef<
+  React.ElementRef<typeof SelectPrimitive.ScrollDownButton>,
+  React.ComponentPropsWithoutRef<typeof SelectPrimitive.ScrollDownButton>
+>(({ className, ...props }, ref) => (
+  <SelectPrimitive.ScrollDownButton
+    ref={ref}
+    className={cn("flex cursor-default items-center justify-center py-1", className)}
+    {...props}
+  >
+    <ChevronUp className="h-4 w-4 rotate-180" />
+  </SelectPrimitive.ScrollDownButton>
+));
+
+SelectScrollDownButton.displayName = SelectPrimitive.ScrollDownButton.displayName;
+
+const SelectContent = React.forwardRef<
+  React.ElementRef<typeof SelectPrimitive.Content>,
+  React.ComponentPropsWithoutRef<typeof SelectPrimitive.Content>
+>(({ className, children, position = "popper", ...props }, ref) => (
+  <SelectPrimitive.Portal>
+    <SelectPrimitive.Content
+      ref={ref}
+      className={cn(
+        "relative z-50 max-h-[--radix-select-content-available-height] min-w-[8rem] overflow-y-auto overflow-x-hidden rounded-md border bg-popover text-popover-foreground shadow-md data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2",
+        position === "popper" &&
+          "data-[side=bottom]:translate-y-1 data-[side=left]:-translate-x-1 data-[side=right]:translate-x-1 data-[side=top]:-translate-y-1",
+        className,
+      )}
+      position={position}
+      {...props}
+    >
+      <SelectScrollUpButton />
+      <SelectPrimitive.Viewport
+        className={cn(
+          "p-1",
+          position === "popper" &&
+            "h-[var(--radix-select-trigger-height)] w-full min-w-[var(--radix-select-trigger-width)]",
+        )}
+      >
+        {children}
+      </SelectPrimitive.Viewport>
+      <SelectScrollDownButton />
+    </SelectPrimitive.Content>
+  </SelectPrimitive.Portal>
+));
+
+SelectContent.displayName = SelectPrimitive.Content.displayName;
+
+const SelectLabel = React.forwardRef<
+  React.ElementRef<typeof SelectPrimitive.Label>,
+  React.ComponentPropsWithoutRef<typeof SelectPrimitive.Label>
+>(({ className, ...props }, ref) => (
+  <SelectPrimitive.Label
+    ref={ref}
+    className={cn("py-1.5 pl-8 pr-2 text-sm font-semibold", className)}
+    {...props}
+  />
+));
+
+SelectLabel.displayName = SelectPrimitive.Label.displayName;
+
+const SelectItem = React.forwardRef<
+  React.ElementRef<typeof SelectPrimitive.Item>,
+  React.ComponentPropsWithoutRef<typeof SelectPrimitive.Item>
+>(({ className, children, ...props }, ref) => (
+  <SelectPrimitive.Item
+    ref={ref}
+    className={cn(
+      "relative flex w-full cursor-default select-none items-center rounded-sm py-1.5 pl-8 pr-2 text-sm outline-none focus:bg-accent focus:text-accent-foreground data-[disabled]:pointer-events-none data-[disabled]:opacity-50",
+      className,
+    )}
+    {...props}
+  >
+    <span className="absolute left-2 flex h-3.5 w-3.5 items-center justify-center">
+      <SelectPrimitive.ItemIndicator>
+        <Check className="h-4 w-4" />
+      </SelectPrimitive.ItemIndicator>
+    </span>
+    <SelectPrimitive.ItemText>{children}</SelectPrimitive.ItemText>
+  </SelectPrimitive.Item>
+));
+
+SelectItem.displayName = SelectPrimitive.Item.displayName;
+
+const SelectSeparator = React.forwardRef<
+  React.ElementRef<typeof SelectPrimitive.Separator>,
+  React.ComponentPropsWithoutRef<typeof SelectPrimitive.Separator>
+>(({ className, ...props }, ref) => (
+  <SelectPrimitive.Separator
+    ref={ref}
+    className={cn("-mx-1 my-1 h-px bg-muted", className)}
+    {...props}
+  />
+));
+
+SelectSeparator.displayName = SelectPrimitive.Separator.displayName;
+
+export {
+  Select,
+  SelectContent,
+  SelectGroup,
+  SelectItem,
+  SelectLabel,
+  SelectScrollDownButton,
+  SelectScrollUpButton,
+  SelectSeparator,
+  SelectTrigger,
+  SelectValue,
+};

components/ui/tabs.tsx

@@ -44,7 +44,7 @@ function TabsList({
   return (
     <div
       className={cn(
-        "inline-flex h-auto flex-wrap items-center gap-2 rounded-surface border border-border bg-surface-2 p-1.5",
+        "inline-flex h-auto flex-wrap items-center gap-2 rounded-lg border bg-muted/40 p-1.5",
         className,
       )}
       {...props}
@@ -69,8 +69,8 @@ function TabsTrigger({
     <button
       type="button"
       className={cn(
-        "inline-flex items-center justify-center rounded-nested px-3 py-2 text-sm font-medium text-muted-foreground transition-all focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:pointer-events-none disabled:opacity-50",
-        isActive && "bg-surface-1 text-foreground shadow-xs",
+        "inline-flex items-center justify-center rounded-md px-3 py-2 text-sm font-medium text-muted-foreground transition-colors focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:pointer-events-none disabled:opacity-50",
+        isActive && "bg-background text-foreground shadow-sm",
         className,
       )}
       onClick={(event) => {

components/ui/textarea.tsx

@@ -6,7 +6,7 @@ const Textarea = React.forwardRef<HTMLTextAreaElement, React.ComponentProps<"tex
   ({ className, ...props }, ref) => (
     <textarea
       className={cn(
-        "flex min-h-[112px] w-full rounded-nested border border-input bg-surface-1 px-3 py-2 text-sm text-foreground ring-offset-background placeholder:text-muted-foreground focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:cursor-not-allowed disabled:opacity-50",
+        "flex min-h-[80px] w-full rounded-md border border-input bg-background px-3 py-2 text-base text-foreground ring-offset-background placeholder:text-muted-foreground focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:cursor-not-allowed disabled:opacity-50 md:text-sm",
         className,
       )}
       ref={ref}

components/ui/ui-kit-showcase.tsx

@@ -224,7 +224,7 @@ export function UiKitShowcase({ localeKey }: UiKitShowcaseProps) {
     <div className="flex flex-col gap-section">
       <AppCard level={3}>
         <CardContent className="flex flex-col gap-4 p-6 lg:p-10">
-          <div className="inline-flex w-fit items-center gap-2 rounded-pill border border-border bg-surface-1 px-3 py-1 text-xs font-semibold uppercase tracking-[0.14em] text-foreground/80">
+          <div className="inline-flex w-fit items-center gap-2 rounded-full border border-input bg-background px-3 py-1 text-xs font-semibold uppercase tracking-[0.14em] text-foreground/80">
             <Layers3 className="h-3.5 w-3.5 text-brand-secondary" />
             {copy.title}
           </div>
@@ -292,10 +292,10 @@ export function UiKitShowcase({ localeKey }: UiKitShowcaseProps) {
                 </AppCard>
                 <AppCard level="inverse">
                   <CardContent className="p-5">
-                    <p className="text-sm font-medium text-surface-inverse-foreground/80">
+                    <p className="text-sm font-medium text-background/80">
                       {copy.inverseOuterCard}
                     </p>
-                    <p className="mt-2 text-sm text-surface-inverse-foreground/88">
+                    <p className="mt-2 text-sm text-background/88">
                       {copy.inverseOuterCardText}
                     </p>
                   </CardContent>
@@ -452,8 +452,8 @@ export function UiKitShowcase({ localeKey }: UiKitShowcaseProps) {
               </AppCard>
               <AppCard level="inverse">
                 <CardContent className="p-5">
-                  <p className="font-medium text-surface-inverse-foreground">{copy.inverse}</p>
-                  <p className="mt-2 text-sm text-surface-inverse-foreground/88">{copy.inverseText}</p>
+                  <p className="font-medium text-background">{copy.inverse}</p>
+                  <p className="mt-2 text-sm text-background/88">{copy.inverseText}</p>
                 </CardContent>
               </AppCard>
             </div>
@@ -492,7 +492,7 @@ export function UiKitShowcase({ localeKey }: UiKitShowcaseProps) {
             <div className="grid gap-6">
               <AppCard level={3}>
                 <CardContent className="space-y-3 p-6">
-                  <div className="inline-flex w-fit items-center gap-2 rounded-pill border border-border bg-surface-1 px-3 py-1 text-xs font-semibold uppercase tracking-[0.14em] text-foreground/80">
+                  <div className="inline-flex w-fit items-center gap-2 rounded-full border border-input bg-background px-3 py-1 text-xs font-semibold uppercase tracking-[0.14em] text-foreground/80">
                     <Type className="h-3.5 w-3.5 text-brand-primary" />
                     {copy.pageHeader}
                   </div>