diff --git a/prisma/schema.prisma b/prisma/schema.prisma
index 24f0b77..e177f49 100644
--- a/prisma/schema.prisma
+++ b/prisma/schema.prisma
@@ -31,6 +31,7 @@ model User {
   filaments Filament[]
   resins    Resin[]
   paints    Paint[]
+  supplies  Supply[]
   vendors   Vendor[]
   locations Location[]
   usageLogs UsageLog[]
@@ -92,6 +93,7 @@ model Vendor {
   filaments Filament[]
   resins    Resin[]
   paints    Paint[]
+  supplies  Supply[]
 
   @@index([userId])
   @@index([archived])
@@ -110,6 +112,7 @@ model Location {
   filaments Filament[]
   resins    Resin[]
   paints    Paint[]
+  supplies  Supply[]
 
   @@index([userId])
   @@index([archived])
@@ -230,6 +233,7 @@ model Tag {
   filaments TagOnFilament[]
   resins    TagOnResin[]
   paints    TagOnPaint[]
+  supplies  TagOnSupply[]
 
   @@unique([name, userId])
   @@index([userId])
@@ -265,12 +269,57 @@ model TagOnPaint {
   @@id([paintId, tagId])
 }
 
+model Supply {
+  id           String    @id @default(cuid())
+  name         String    @db.VarChar(128)
+  brand        String    @db.VarChar(64)
+  category     String    @db.VarChar(32)
+  color        String?   @db.VarChar(64)
+  colorHex     String?   @db.VarChar(7)
+  totalAmount  Float
+  usedAmount   Float     @default(0)
+  unit         String    @db.VarChar(16)
+  purchaseDate DateTime?
+  cost         Float?
+  notes        String?   @db.Text
+  archived     Boolean   @default(false)
+  createdAt    DateTime  @default(now())
+  updatedAt    DateTime  @updatedAt
+
+  userId     String
+  vendorId   String?
+  locationId String?
+
+  user      User           @relation(fields: [userId], references: [id], onDelete: Cascade)
+  vendor    Vendor?        @relation(fields: [vendorId], references: [id], onDelete: SetNull)
+  location  Location?      @relation(fields: [locationId], references: [id], onDelete: SetNull)
+  tags      TagOnSupply[]
+  usageLogs UsageLog[]
+
+  @@index([userId])
+  @@index([vendorId])
+  @@index([locationId])
+  @@index([category])
+  @@index([archived])
+  @@index([brand])
+}
+
+model TagOnSupply {
+  supplyId String
+  tagId    String
+
+  supply Supply @relation(fields: [supplyId], references: [id], onDelete: Cascade)
+  tag    Tag    @relation(fields: [tagId], references: [id], onDelete: Cascade)
+
+  @@id([supplyId, tagId])
+}
+
 model UsageLog {
   id        String   @id @default(cuid())
   itemType  String   @db.VarChar(16)
   itemId    String
   amount    Float
-  unit      String   @db.VarChar(4)
+  unit      String   @db.VarChar(16)
   notes     String?  @db.Text
   createdAt DateTime @default(now())
   userId    String
@@ -282,6 +331,8 @@ model UsageLog {
   resinId    String?
   paint      Paint?    @relation(fields: [paintId], references: [id], onDelete: Cascade)
   paintId    String?
+  supply     Supply?   @relation(fields: [supplyId], references: [id], onDelete: Cascade)
+  supplyId   String?
 
   @@index([userId])
   @@index([itemType, itemId])
diff --git a/src/app/(app)/supplies/_components/supply-columns.tsx b/src/app/(app)/supplies/_components/supply-columns.tsx
new file mode 100644
index 0000000..ceba3e1
--- /dev/null
+++ b/src/app/(app)/supplies/_components/supply-columns.tsx
@@ -0,0 +1,188 @@
+"use client";
+
+import { type ColumnDef } from "@tanstack/react-table";
+import { MoreHorizontal, Pencil, Archive, Trash2, Package } from "lucide-react";
+import { DataTableColumnHeader } from "@/components/shared/data-table-column-header";
+import { StatusBadge, getStockStatus } from "@/components/shared/status-badge";
+import { ColorSwatch } from "@/components/shared/color-swatch";
+import { Badge } from "@/components/ui/badge";
+import { Button } from "@/components/ui/button";
+import {
+  DropdownMenu,
+  DropdownMenuContent,
+  DropdownMenuItem,
+  DropdownMenuSeparator,
+  DropdownMenuTrigger,
+} from "@/components/ui/dropdown-menu";
+
+export interface SupplyRow {
+  id: string;
+  name: string;
+  brand: string;
+  category: string;
+  color: string | null;
+  colorHex: string | null;
+  totalAmount: number;
+  usedAmount: number;
+  unit: string;
+  cost: number | null;
+  purchaseDate: Date | null;
+  notes: string | null;
+  archived: boolean;
+  vendor: { id: string; name: string } | null;
+  location: { id: string; name: string } | null;
+}
+
+interface SupplyColumnsProps {
+  onEdit: (supply: SupplyRow) => void;
+  onArchive: (id: string) => void;
+  onDelete: (id: string) => void;
+  onLogUsage: (supply: SupplyRow) => void;
+  lowStockThreshold: number;
+}
+
+export function getSupplyColumns({
+  onEdit,
+  onArchive,
+  onDelete,
+  onLogUsage,
+  lowStockThreshold,
+}: SupplyColumnsProps): ColumnDef<SupplyRow, unknown>[] {
+  return [
+    {
+      id: "color",
+      header: "",
+      cell: ({ row }) =>
+        row.original.colorHex ? (
+          <ColorSwatch hex={row.original.colorHex} size="sm" />
+        ) : null,
+      enableHiding: false,
+      size: 40,
+    },
+    {
+      accessorKey: "name",
+      header: ({ column }) => <DataTableColumnHeader column={column} title="Name" />,
+      cell: ({ row }) => {
+        const remaining = row.original.totalAmount - row.original.usedAmount;
+        const status = getStockStatus(
+          remaining,
+          row.original.totalAmount,
+          lowStockThreshold,
+          row.original.archived
+        );
+        return (
+          <div className="flex items-center gap-2">
+            <span className="font-medium">{row.original.name}</span>
+            <StatusBadge variant={status} />
+          </div>
+        );
+      },
+      enableHiding: false,
+    },
+    {
+      accessorKey: "brand",
+      header: ({ column }) => <DataTableColumnHeader column={column} title="Brand" />,
+      cell: ({ row }) => (
+        <span className="text-sm">{row.original.brand}</span>
+      ),
+    },
+    {
+      accessorKey: "category",
+      header: ({ column }) => <DataTableColumnHeader column={column} title="Category" />,
+      cell: ({ row }) => (
+        <Badge variant="secondary" className="text-xs">
+          {row.original.category}
+        </Badge>
+      ),
+    },
+    {
+      id: "remaining",
+      header: ({ column }) => <DataTableColumnHeader column={column} title="Remaining" />,
+      cell: ({ row }) => {
+        const remaining = row.original.totalAmount - row.original.usedAmount;
+        const percent =
+          row.original.totalAmount > 0
+            ? (remaining / row.original.totalAmount) * 100
+            : 0;
+        const isLow = percent <= lowStockThreshold;
+        return (
+          <div className="flex items-center gap-2 min-w-[120px]">
+            <div className="flex-1 h-2 rounded-full bg-muted overflow-hidden">
+              <div
+                className={`h-full rounded-full transition-all ${
+                  isLow ? "bg-orange-500" : "bg-primary"
+                }`}
+                style={{ width: `${Math.max(0, Math.min(100, percent))}%` }}
+              />
+            </div>
+            <span className="text-xs text-muted-foreground w-14 text-right">
+              {remaining.toFixed(1)} {row.original.unit}
+            </span>
+          </div>
+        );
+      },
+    },
+    {
+      id: "location",
+      header: "Location",
+      cell: ({ row }) => (
+        <span className="text-sm text-muted-foreground">
+          {row.original.location?.name ?? "\u2014"}
+        </span>
+      ),
+    },
+    {
+      id: "vendor",
+      header: "Vendor",
+      cell: ({ row }) => (
+        <span className="text-sm text-muted-foreground">
+          {row.original.vendor?.name ?? "\u2014"}
+        </span>
+      ),
+    },
+    {
+      accessorKey: "cost",
+      header: ({ column }) => <DataTableColumnHeader column={column} title="Cost" />,
+      cell: ({ row }) => (
+        <span className="text-sm text-muted-foreground">
+          {row.original.cost != null ? `\u20AC${row.original.cost.toFixed(2)}` : "\u2014"}
+        </span>
+      ),
+    },
+    {
+      id: "actions",
+      cell: ({ row }) => (
+        <DropdownMenu>
+          <DropdownMenuTrigger asChild>
+            <Button variant="ghost" size="icon" className="h-8 w-8">
+              <MoreHorizontal className="h-4 w-4" />
+            </Button>
+          </DropdownMenuTrigger>
+          <DropdownMenuContent align="end">
+            <DropdownMenuItem onClick={() => onEdit(row.original)}>
+              <Pencil className="mr-2 h-3.5 w-3.5" />
+              Edit
+            </DropdownMenuItem>
+            <DropdownMenuItem onClick={() => onLogUsage(row.original)}>
+              <Package className="mr-2 h-3.5 w-3.5" />
+              Log Usage
+            </DropdownMenuItem>
+            <DropdownMenuItem onClick={() => onArchive(row.original.id)}>
+              <Archive className="mr-2 h-3.5 w-3.5" />
+              {row.original.archived ? "Unarchive" : "Archive"}
+            </DropdownMenuItem>
+            <DropdownMenuSeparator />
+            <DropdownMenuItem
+              onClick={() => onDelete(row.original.id)}
+              className="text-destructive focus:text-destructive"
+            >
+              <Trash2 className="mr-2 h-3.5 w-3.5" />
+              Delete
+            </DropdownMenuItem>
+          </DropdownMenuContent>
+        </DropdownMenu>
+      ),
+      enableHiding: false,
+    },
+  ];
+}
diff --git a/src/app/(app)/supplies/_components/supply-form.tsx b/src/app/(app)/supplies/_components/supply-form.tsx
new file mode 100644
index 0000000..2949688
--- /dev/null
+++ b/src/app/(app)/supplies/_components/supply-form.tsx
@@ -0,0 +1,370 @@
+"use client";
+
+import { useTransition } from "react";
+import { useForm } from "react-hook-form";
+import { zodResolver } from "@hookform/resolvers/zod";
+import { toast } from "sonner";
+import { supplySchema, type SupplyInput } from "@/schemas/supply.schema";
+import { SUPPLY_CATEGORIES, SUPPLY_UNITS, SUPPLY_CATEGORY_DEFAULTS } from "@/lib/constants";
+import { createSupply, updateSupply } from "../actions";
+import { Button } from "@/components/ui/button";
+import { Input } from "@/components/ui/input";
+import { Textarea } from "@/components/ui/textarea";
+import {
+  Select,
+  SelectContent,
+  SelectItem,
+  SelectTrigger,
+  SelectValue,
+} from "@/components/ui/select";
+import {
+  Form,
+  FormControl,
+  FormField,
+  FormItem,
+  FormLabel,
+  FormMessage,
+} from "@/components/ui/form";
+import { ColorSwatch } from "@/components/shared/color-swatch";
+
+interface SupplyFormProps {
+  supply?: {
+    id: string;
+    name: string;
+    brand: string;
+    category: string;
+    color: string | null;
+    colorHex: string | null;
+    totalAmount: number;
+    usedAmount: number;
+    unit: string;
+    cost: number | null;
+    purchaseDate: Date | null;
+    notes: string | null;
+    vendorId: string | null;
+    locationId: string | null;
+  };
+  vendors: { id: string; name: string }[];
+  locations: { id: string; name: string }[];
+  onSuccess: () => void;
+}
+
+export function SupplyForm({ supply, vendors, locations, onSuccess }: SupplyFormProps) {
+  const [isPending, startTransition] = useTransition();
+  const isEditing = !!supply;
+
+  const form = useForm<SupplyInput>({
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+    resolver: zodResolver(supplySchema) as any,
+    defaultValues: {
+      name: supply?.name ?? "",
+      brand: supply?.brand ?? "",
+      category: (supply?.category as SupplyInput["category"]) ?? "Glitter",
+      color: supply?.color ?? "",
+      colorHex: supply?.colorHex ?? "",
+      totalAmount: supply?.totalAmount ?? SUPPLY_CATEGORY_DEFAULTS["Glitter"].totalAmount,
+      usedAmount: supply?.usedAmount ?? 0,
+      unit: supply?.unit ?? SUPPLY_CATEGORY_DEFAULTS["Glitter"].unit,
+      cost: supply?.cost ?? undefined,
+      purchaseDate: supply?.purchaseDate
+        ? new Date(supply.purchaseDate).toISOString().split("T")[0]
+        : "",
+      notes: supply?.notes ?? "",
+      vendorId: supply?.vendorId ?? "",
+      locationId: supply?.locationId ?? "",
+    },
+  });
+
+  // eslint-disable-next-line react-hooks/incompatible-library -- RHF watch is safe here
+  const watchColorHex = form.watch("colorHex");
+  // eslint-disable-next-line react-hooks/incompatible-library
+  const watchUnit = form.watch("unit");
+
+  function onSubmit(values: SupplyInput) {
+    startTransition(async () => {
+      const result = isEditing
+        ? await updateSupply(supply!.id, values)
+        : await createSupply(values);
+
+      if (!result.success) {
+        toast.error(result.error);
+        return;
+      }
+
+      toast.success(isEditing ? "Supply updated" : "Supply created");
+      form.reset();
+      onSuccess();
+    });
+  }
+
+  return (
+    <Form {...form}>
+      <form onSubmit={form.handleSubmit(onSubmit)} className="space-y-4">
+        <div className="grid grid-cols-2 gap-4">
+          <FormField
+            control={form.control}
+            name="name"
+            render={({ field }) => (
+              <FormItem className="col-span-2">
+                <FormLabel>Name</FormLabel>
+                <FormControl>
+                  <Input placeholder="Supply name" {...field} />
+                </FormControl>
+                <FormMessage />
+              </FormItem>
+            )}
+          />
+
+          <FormField
+            control={form.control}
+            name="brand"
+            render={({ field }) => (
+              <FormItem>
+                <FormLabel>Brand</FormLabel>
+                <FormControl>
+                  <Input placeholder="Brand name" {...field} />
+                </FormControl>
+                <FormMessage />
+              </FormItem>
+            )}
+          />
+
+          <FormField
+            control={form.control}
+            name="category"
+            render={({ field }) => (
+              <FormItem>
+                <FormLabel>Category</FormLabel>
+                <Select
+                  onValueChange={(val) => {
+                    field.onChange(val);
+                    if (!isEditing) {
+                      const defaults = SUPPLY_CATEGORY_DEFAULTS[val];
+                      if (defaults) {
+                        form.setValue("unit", defaults.unit);
+                        form.setValue("totalAmount", defaults.totalAmount);
+                      }
+                    }
+                  }}
+                  value={field.value}
+                >
+                  <FormControl>
+                    <SelectTrigger>
+                      <SelectValue placeholder="Select category" />
+                    </SelectTrigger>
+                  </FormControl>
+                  <SelectContent>
+                    {SUPPLY_CATEGORIES.map((c) => (
+                      <SelectItem key={c} value={c}>
+                        {c}
+                      </SelectItem>
+                    ))}
+                  </SelectContent>
+                </Select>
+                <FormMessage />
+              </FormItem>
+            )}
+          />
+
+          <FormField
+            control={form.control}
+            name="color"
+            render={({ field }) => (
+              <FormItem>
+                <FormLabel>Color (optional)</FormLabel>
+                <FormControl>
+                  <Input placeholder="e.g. Rose Gold" {...field} />
+                </FormControl>
+                <FormMessage />
+              </FormItem>
+            )}
+          />
+
+          <FormField
+            control={form.control}
+            name="colorHex"
+            render={({ field }) => (
+              <FormItem>
+                <FormLabel>Color Hex (optional)</FormLabel>
+                <div className="flex items-center gap-2">
+                  <FormControl>
+                    <Input placeholder="#000000" {...field} className="flex-1" />
+                  </FormControl>
+                  <input
+                    type="color"
+                    value={field.value || "#000000"}
+                    onChange={(e) => field.onChange(e.target.value)}
+                    className="h-9 w-9 cursor-pointer rounded border border-border bg-transparent p-0.5"
+                  />
+                  {watchColorHex && (
+                    <ColorSwatch hex={watchColorHex} size="md" />
+                  )}
+                </div>
+                <FormMessage />
+              </FormItem>
+            )}
+          />
+
+          <FormField
+            control={form.control}
+            name="totalAmount"
+            render={({ field }) => (
+              <FormItem>
+                <FormLabel>Total Amount ({watchUnit || "units"})</FormLabel>
+                <FormControl>
+                  <Input type="number" step="0.1" min="0" {...field} />
+                </FormControl>
+                <FormMessage />
+              </FormItem>
+            )}
+          />
+
+          <FormField
+            control={form.control}
+            name="usedAmount"
+            render={({ field }) => (
+              <FormItem>
+                <FormLabel>Used ({watchUnit || "units"})</FormLabel>
+                <FormControl>
+                  <Input type="number" step="0.1" min="0" {...field} />
+                </FormControl>
+                <FormMessage />
+              </FormItem>
+            )}
+          />
+
+          <FormField
+            control={form.control}
+            name="unit"
+            render={({ field }) => (
+              <FormItem>
+                <FormLabel>Unit</FormLabel>
+                <Select onValueChange={field.onChange} value={field.value}>
+                  <FormControl>
+                    <SelectTrigger>
+                      <SelectValue placeholder="Select unit" />
+                    </SelectTrigger>
+                  </FormControl>
+                  <SelectContent>
+                    {SUPPLY_UNITS.map((u) => (
+                      <SelectItem key={u} value={u}>
+                        {u}
+                      </SelectItem>
+                    ))}
+                  </SelectContent>
+                </Select>
+                <FormMessage />
+              </FormItem>
+            )}
+          />
+
+          <FormField
+            control={form.control}
+            name="vendorId"
+            render={({ field }) => (
+              <FormItem>
+                <FormLabel>Vendor</FormLabel>
+                <Select
+                  onValueChange={(val) => field.onChange(val === "none" ? "" : val)}
+                  value={field.value || "none"}
+                >
+                  <FormControl>
+                    <SelectTrigger>
+                      <SelectValue placeholder="Select vendor" />
+                    </SelectTrigger>
+                  </FormControl>
+                  <SelectContent>
+                    <SelectItem value="none">None</SelectItem>
+                    {vendors.map((v) => (
+                      <SelectItem key={v.id} value={v.id}>
+                        {v.name}
+                      </SelectItem>
+                    ))}
+                  </SelectContent>
+                </Select>
+                <FormMessage />
+              </FormItem>
+            )}
+          />
+
+          <FormField
+            control={form.control}
+            name="locationId"
+            render={({ field }) => (
+              <FormItem>
+                <FormLabel>Location</FormLabel>
+                <Select
+                  onValueChange={(val) => field.onChange(val === "none" ? "" : val)}
+                  value={field.value || "none"}
+                >
+                  <FormControl>
+                    <SelectTrigger>
+                      <SelectValue placeholder="Select location" />
+                    </SelectTrigger>
+                  </FormControl>
+                  <SelectContent>
+                    <SelectItem value="none">None</SelectItem>
+                    {locations.map((l) => (
+                      <SelectItem key={l.id} value={l.id}>
+                        {l.name}
+                      </SelectItem>
+                    ))}
+                  </SelectContent>
+                </Select>
+                <FormMessage />
+              </FormItem>
+            )}
+          />
+
+          <FormField
+            control={form.control}
+            name="cost"
+            render={({ field }) => (
+              <FormItem>
+                <FormLabel>Cost</FormLabel>
+                <FormControl>
+                  <Input type="number" step="0.01" min="0" placeholder="0.00" {...field} />
+                </FormControl>
+                <FormMessage />
+              </FormItem>
+            )}
+          />
+
+          <FormField
+            control={form.control}
+            name="purchaseDate"
+            render={({ field }) => (
+              <FormItem>
+                <FormLabel>Purchase Date</FormLabel>
+                <FormControl>
+                  <Input type="date" {...field} />
+                </FormControl>
+                <FormMessage />
+              </FormItem>
+            )}
+          />
+
+          <FormField
+            control={form.control}
+            name="notes"
+            render={({ field }) => (
+              <FormItem className="col-span-2">
+                <FormLabel>Notes</FormLabel>
+                <FormControl>
+                  <Textarea placeholder="Optional notes" rows={2} {...field} />
+                </FormControl>
+                <FormMessage />
+              </FormItem>
+            )}
+          />
+        </div>
+
+        <div className="flex justify-end gap-2">
+          <Button type="submit" disabled={isPending}>
+            {isPending ? "Saving..." : isEditing ? "Update" : "Create"}
+          </Button>
+        </div>
+      </form>
+    </Form>
+  );
+}
diff --git a/src/app/(app)/supplies/_components/supply-modal.tsx b/src/app/(app)/supplies/_components/supply-modal.tsx
new file mode 100644
index 0000000..86e5fbc
--- /dev/null
+++ b/src/app/(app)/supplies/_components/supply-modal.tsx
@@ -0,0 +1,50 @@
+"use client";
+
+import {
+  Dialog,
+  DialogContent,
+  DialogDescription,
+  DialogHeader,
+  DialogTitle,
+} from "@/components/ui/dialog";
+import { ScrollArea } from "@/components/ui/scroll-area";
+import { SupplyForm } from "./supply-form";
+
+interface SupplyModalProps {
+  open: boolean;
+  onOpenChange: (open: boolean) => void;
+  supply?: Parameters<typeof SupplyForm>[0]["supply"];
+  vendors: { id: string; name: string }[];
+  locations: { id: string; name: string }[];
+}
+
+export function SupplyModal({
+  open,
+  onOpenChange,
+  supply,
+  vendors,
+  locations,
+}: SupplyModalProps) {
+  return (
+    <Dialog open={open} onOpenChange={onOpenChange}>
+      <DialogContent className="sm:max-w-2xl max-h-[90vh]">
+        <DialogHeader>
+          <DialogTitle>{supply ? "Edit Supply" : "Add Supply"}</DialogTitle>
+          <DialogDescription>
+            {supply
+              ? "Update the supply details below."
+              : "Add a new supply to your inventory."}
+          </DialogDescription>
+        </DialogHeader>
+        <ScrollArea className="max-h-[70vh] pr-4">
+          <SupplyForm
+            supply={supply}
+            vendors={vendors}
+            locations={locations}
+            onSuccess={() => onOpenChange(false)}
+          />
+        </ScrollArea>
+      </DialogContent>
+    </Dialog>
+  );
+}
diff --git a/src/app/(app)/supplies/_components/supply-table.tsx b/src/app/(app)/supplies/_components/supply-table.tsx
new file mode 100644
index 0000000..aa80d4b
--- /dev/null
+++ b/src/app/(app)/supplies/_components/supply-table.tsx
@@ -0,0 +1,214 @@
+"use client";
+
+import { useState, useTransition, useCallback } from "react";
+import { useRouter, usePathname, useSearchParams } from "next/navigation";
+import { Plus, Search } from "lucide-react";
+import { toast } from "sonner";
+import { useDataTable } from "@/hooks/use-data-table";
+import { SUPPLY_CATEGORIES } from "@/lib/constants";
+import { getSupplyColumns, type SupplyRow } from "./supply-columns";
+import { SupplyModal } from "./supply-modal";
+import { deleteSupply, archiveSupply, logSupplyUsage } from "../actions";
+import { DataTable } from "@/components/shared/data-table";
+import { DataTablePagination } from "@/components/shared/data-table-pagination";
+import { DataTableViewOptions } from "@/components/shared/data-table-view-options";
+import { DataTableFacetedFilter } from "@/components/shared/data-table-faceted-filter";
+import { DeleteDialog } from "@/components/shared/delete-dialog";
+import { UsageLogDialog } from "@/components/shared/usage-log-dialog";
+import { PageHeader } from "@/components/shared/page-header";
+import { Button } from "@/components/ui/button";
+import { Input } from "@/components/ui/input";
+
+interface SupplyTableProps {
+  data: SupplyRow[];
+  pageCount: number;
+  totalCount: number;
+  vendors: { id: string; name: string }[];
+  locations: { id: string; name: string }[];
+  lowStockThreshold: number;
+}
+
+export function SupplyTable({
+  data,
+  pageCount,
+  totalCount,
+  vendors,
+  locations,
+  lowStockThreshold,
+}: SupplyTableProps) {
+  const router = useRouter();
+  const pathname = usePathname();
+  const searchParams = useSearchParams();
+  const [isPending, startTransition] = useTransition();
+
+  const [modalOpen, setModalOpen] = useState(false);
+  const [editSupply, setEditSupply] = useState<SupplyRow | undefined>();
+  const [deleteId, setDeleteId] = useState<string | null>(null);
+  const [usageSupply, setUsageSupply] = useState<SupplyRow | null>(null);
+  const [searchValue, setSearchValue] = useState(searchParams.get("search") ?? "");
+
+  const categoryFilter = new Set(searchParams.getAll("category"));
+  const vendorFilter = new Set(searchParams.getAll("vendor"));
+  const locationFilter = new Set(searchParams.getAll("location"));
+
+  const updateFilters = useCallback(
+    (key: string, values: Set<string>) => {
+      const params = new URLSearchParams(searchParams.toString());
+      params.delete(key);
+      values.forEach((v) => params.append(key, v));
+      params.set("page", "1");
+      router.push(`${pathname}?${params.toString()}`, { scroll: false });
+    },
+    [router, pathname, searchParams]
+  );
+
+  const updateSearch = (value: string) => {
+    setSearchValue(value);
+    const params = new URLSearchParams(searchParams.toString());
+    if (value) {
+      params.set("search", value);
+      params.set("page", "1");
+    } else {
+      params.delete("search");
+    }
+    router.push(`${pathname}?${params.toString()}`, { scroll: false });
+  };
+
+  const columns = getSupplyColumns({
+    onEdit: (supply) => {
+      setEditSupply(supply);
+      setModalOpen(true);
+    },
+    onArchive: (id) => {
+      startTransition(async () => {
+        const result = await archiveSupply(id);
+        if (result.success) toast.success("Supply updated");
+        else toast.error(result.error);
+      });
+    },
+    onDelete: (id) => setDeleteId(id),
+    onLogUsage: (supply) => setUsageSupply(supply),
+    lowStockThreshold,
+  });
+
+  const { table } = useDataTable({ data, columns, pageCount });
+
+  const handleDelete = () => {
+    if (!deleteId) return;
+    startTransition(async () => {
+      const result = await deleteSupply(deleteId);
+      if (result.success) {
+        toast.success("Supply deleted");
+        setDeleteId(null);
+      } else {
+        toast.error(result.error);
+      }
+    });
+  };
+
+  const categoryOptions = SUPPLY_CATEGORIES.map((c) => ({ label: c, value: c }));
+  const vendorOptions = vendors.map((v) => ({ label: v.name, value: v.id }));
+  const locationOptions = locations.map((l) => ({ label: l.name, value: l.id }));
+
+  return (
+    <div className="space-y-4">
+      <PageHeader title="Supplies" description="Manage your dice-making and crafting supplies">
+        <Button
+          onClick={() => {
+            setEditSupply(undefined);
+            setModalOpen(true);
+          }}
+        >
+          <Plus className="mr-2 h-4 w-4" />
+          Add Supply
+        </Button>
+      </PageHeader>
+
+      <div className="flex flex-wrap items-center gap-2">
+        <div className="relative flex-1 min-w-[200px] max-w-sm">
+          <Search className="absolute left-2.5 top-2.5 h-4 w-4 text-muted-foreground" />
+          <Input
+            placeholder="Search supplies..."
+            value={searchValue}
+            onChange={(e) => updateSearch(e.target.value)}
+            className="pl-9 h-9"
+          />
+        </div>
+        <DataTableFacetedFilter
+          title="Category"
+          options={categoryOptions}
+          selectedValues={categoryFilter}
+          onSelectionChange={(values) => updateFilters("category", values)}
+        />
+        <DataTableFacetedFilter
+          title="Vendor"
+          options={vendorOptions}
+          selectedValues={vendorFilter}
+          onSelectionChange={(values) => updateFilters("vendor", values)}
+        />
+        <DataTableFacetedFilter
+          title="Location"
+          options={locationOptions}
+          selectedValues={locationFilter}
+          onSelectionChange={(values) => updateFilters("location", values)}
+        />
+        <DataTableViewOptions table={table} />
+      </div>
+
+      <DataTable table={table} emptyMessage="No supplies found. Add your first supply!" />
+      <DataTablePagination table={table} totalCount={totalCount} />
+
+      <SupplyModal
+        open={modalOpen}
+        onOpenChange={(open) => {
+          setModalOpen(open);
+          if (!open) setEditSupply(undefined);
+        }}
+        supply={
+          editSupply
+            ? {
+                id: editSupply.id,
+                name: editSupply.name,
+                brand: editSupply.brand,
+                category: editSupply.category,
+                color: editSupply.color,
+                colorHex: editSupply.colorHex,
+                totalAmount: editSupply.totalAmount,
+                usedAmount: editSupply.usedAmount,
+                unit: editSupply.unit,
+                cost: editSupply.cost,
+                purchaseDate: editSupply.purchaseDate,
+                notes: editSupply.notes,
+                vendorId: editSupply.vendor?.id ?? null,
+                locationId: editSupply.location?.id ?? null,
+              }
+            : undefined
+        }
+        vendors={vendors}
+        locations={locations}
+      />
+
+      <DeleteDialog
+        open={!!deleteId}
+        onOpenChange={(open) => !open && setDeleteId(null)}
+        title="Delete Supply"
+        description="This will permanently delete this supply and all its usage logs."
+        onConfirm={handleDelete}
+        isLoading={isPending}
+      />
+
+      {usageSupply && (
+        <UsageLogDialog
+          open={!!usageSupply}
+          onOpenChange={(open) => !open && setUsageSupply(null)}
+          itemName={usageSupply.name}
+          unit={usageSupply.unit}
+          onSubmit={async (amount, notes) => {
+            const result = await logSupplyUsage(usageSupply.id, { amount, notes });
+            return result;
+          }}
+        />
+      )}
+    </div>
+  );
+}
diff --git a/src/app/(app)/supplies/actions.ts b/src/app/(app)/supplies/actions.ts
new file mode 100644
index 0000000..62f927f
--- /dev/null
+++ b/src/app/(app)/supplies/actions.ts
@@ -0,0 +1,155 @@
+"use server";
+
+import { auth } from "@/lib/auth";
+import { prisma } from "@/lib/prisma";
+import { supplySchema } from "@/schemas/supply.schema";
+import { usageLogSchema } from "@/schemas/usage-log.schema";
+import { revalidatePath } from "next/cache";
+import type { ActionResult } from "@/types/api.types";
+
+export async function createSupply(input: unknown): Promise<ActionResult<{ id: string }>> {
+  const session = await auth();
+  if (!session?.user?.id) return { success: false, error: "Unauthorized" };
+
+  const parsed = supplySchema.safeParse(input);
+  if (!parsed.success) return { success: false, error: "Validation failed" };
+
+  try {
+    const supply = await prisma.supply.create({
+      data: {
+        name: parsed.data.name,
+        brand: parsed.data.brand,
+        category: parsed.data.category,
+        color: parsed.data.color || null,
+        colorHex: parsed.data.colorHex || null,
+        totalAmount: parsed.data.totalAmount,
+        usedAmount: parsed.data.usedAmount,
+        unit: parsed.data.unit,
+        purchaseDate: parsed.data.purchaseDate ? new Date(parsed.data.purchaseDate) : null,
+        cost: parsed.data.cost ?? null,
+        notes: parsed.data.notes || null,
+        vendorId: parsed.data.vendorId || null,
+        locationId: parsed.data.locationId || null,
+        userId: session.user.id,
+      },
+    });
+
+    revalidatePath("/supplies");
+    revalidatePath("/dashboard");
+    return { success: true, data: { id: supply.id } };
+  } catch {
+    return { success: false, error: "Failed to create supply" };
+  }
+}
+
+export async function updateSupply(id: string, input: unknown): Promise<ActionResult> {
+  const session = await auth();
+  if (!session?.user?.id) return { success: false, error: "Unauthorized" };
+
+  const parsed = supplySchema.safeParse(input);
+  if (!parsed.success) return { success: false, error: "Validation failed" };
+
+  const existing = await prisma.supply.findFirst({ where: { id, userId: session.user.id } });
+  if (!existing) return { success: false, error: "Not found" };
+
+  try {
+    await prisma.supply.update({
+      where: { id },
+      data: {
+        name: parsed.data.name,
+        brand: parsed.data.brand,
+        category: parsed.data.category,
+        color: parsed.data.color || null,
+        colorHex: parsed.data.colorHex || null,
+        totalAmount: parsed.data.totalAmount,
+        usedAmount: parsed.data.usedAmount,
+        unit: parsed.data.unit,
+        purchaseDate: parsed.data.purchaseDate ? new Date(parsed.data.purchaseDate) : null,
+        cost: parsed.data.cost ?? null,
+        notes: parsed.data.notes || null,
+        vendorId: parsed.data.vendorId || null,
+        locationId: parsed.data.locationId || null,
+      },
+    });
+
+    revalidatePath("/supplies");
+    revalidatePath("/dashboard");
+    return { success: true, data: undefined };
+  } catch {
+    return { success: false, error: "Failed to update supply" };
+  }
+}
+
+export async function deleteSupply(id: string): Promise<ActionResult> {
+  const session = await auth();
+  if (!session?.user?.id) return { success: false, error: "Unauthorized" };
+
+  const existing = await prisma.supply.findFirst({ where: { id, userId: session.user.id } });
+  if (!existing) return { success: false, error: "Not found" };
+
+  try {
+    await prisma.supply.delete({ where: { id } });
+    revalidatePath("/supplies");
+    revalidatePath("/dashboard");
+    return { success: true, data: undefined };
+  } catch {
+    return { success: false, error: "Failed to delete supply" };
+  }
+}
+
+export async function archiveSupply(id: string): Promise<ActionResult> {
+  const session = await auth();
+  if (!session?.user?.id) return { success: false, error: "Unauthorized" };
+
+  const existing = await prisma.supply.findFirst({ where: { id, userId: session.user.id } });
+  if (!existing) return { success: false, error: "Not found" };
+
+  try {
+    await prisma.supply.update({
+      where: { id },
+      data: { archived: !existing.archived },
+    });
+    revalidatePath("/supplies");
+    revalidatePath("/dashboard");
+    return { success: true, data: undefined };
+  } catch {
+    return { success: false, error: "Failed to archive supply" };
+  }
+}
+
+export async function logSupplyUsage(supplyId: string, input: unknown): Promise<ActionResult> {
+  const session = await auth();
+  if (!session?.user?.id) return { success: false, error: "Unauthorized" };
+
+  const parsed = usageLogSchema.safeParse(input);
+  if (!parsed.success) return { success: false, error: "Validation failed" };
+
+  const existing = await prisma.supply.findFirst({ where: { id: supplyId, userId: session.user.id } });
+  if (!existing) return { success: false, error: "Not found" };
+
+  try {
+    await prisma.$transaction([
+      prisma.usageLog.create({
+        data: {
+          itemType: "SUPPLY",
+          itemId: supplyId,
+          supplyId,
+          amount: parsed.data.amount,
+          unit: existing.unit,
+          notes: parsed.data.notes || null,
+          userId: session.user.id,
+        },
+      }),
+      prisma.supply.update({
+        where: { id: supplyId },
+        data: { usedAmount: { increment: parsed.data.amount } },
+      }),
+    ]);
+
+    revalidatePath("/supplies");
+    revalidatePath("/dashboard");
+    return { success: true, data: undefined };
+  } catch {
+    return { success: false, error: "Failed to log usage" };
+  }
+}
diff --git a/src/app/(app)/supplies/loading.tsx b/src/app/(app)/supplies/loading.tsx
new file mode 100644
index 0000000..fc271ac
--- /dev/null
+++ b/src/app/(app)/supplies/loading.tsx
@@ -0,0 +1,34 @@
+import { Skeleton } from "@/components/ui/skeleton";
+
+export default function SuppliesLoading() {
+  return (
+    <div className="space-y-4">
+      <div className="flex items-center justify-between">
+        <div>
+          <Skeleton className="h-8 w-32" />
+          <Skeleton className="mt-1 h-4 w-56" />
+        </div>
+        <Skeleton className="h-9 w-28" />
+      </div>
+      <div className="flex flex-wrap items-center gap-2">
+        <Skeleton className="h-9 w-64" />
+        <Skeleton className="h-9 w-24" />
+        <Skeleton className="h-9 w-24" />
+        <Skeleton className="h-9 w-24" />
+      </div>
+      <div className="rounded-md border">
+        <div className="h-10 border-b bg-muted/50" />
+        {Array.from({ length: 5 }).map((_, i) => (
+          <div key={i} className="flex items-center gap-4 border-b px-4 py-2">
+            <Skeleton className="h-5 w-5 rounded" />
+            <Skeleton className="h-4 w-32" />
+            <Skeleton className="h-4 w-20" />
+            <Skeleton className="h-4 w-20" />
+            <Skeleton className="h-4 w-24" />
+            <Skeleton className="h-4 w-16" />
+          </div>
+        ))}
+      </div>
+    </div>
+  );
+}
diff --git a/src/app/(app)/supplies/page.tsx b/src/app/(app)/supplies/page.tsx
new file mode 100644
index 0000000..5a8d40e
--- /dev/null
+++ b/src/app/(app)/supplies/page.tsx
@@ -0,0 +1,44 @@
+import { auth } from "@/lib/auth";
+import { redirect } from "next/navigation";
+import { getSupplies } from "@/data/supply.queries";
+import { getVendorOptions } from "@/data/vendor.queries";
+import { getLocationOptions } from "@/data/location.queries";
+import { getUserSettings } from "@/data/settings.queries";
+import { SupplyTable } from "./_components/supply-table";
+
+interface SuppliesPageProps {
+  searchParams: Promise<Record<string, string | string[] | undefined>>;
+}
+
+export default async function SuppliesPage({ searchParams }: SuppliesPageProps) {
+  const session = await auth();
+  if (!session?.user?.id) redirect("/login");
+
+  const params = await searchParams;
+  const [suppliesResult, vendors, locations, settings] = await Promise.all([
+    getSupplies(session.user.id, {
+      page: typeof params.page === "string" ? params.page : "1",
+      perPage: typeof params.perPage === "string" ? params.perPage : "20",
+      sort: typeof params.sort === "string" ? params.sort : undefined,
+      order: typeof params.order === "string" ? (params.order as "asc" | "desc") : undefined,
+      search: typeof params.search === "string" ? params.search : undefined,
+      category: params.category,
+      vendor: params.vendor,
+      location: params.location,
+    }),
+    getVendorOptions(session.user.id),
+    getLocationOptions(session.user.id),
+    getUserSettings(session.user.id),
+  ]);
+
+  return (
+    <SupplyTable
+      data={JSON.parse(JSON.stringify(suppliesResult.data))}
+      pageCount={suppliesResult.pageCount}
+      totalCount={suppliesResult.totalCount}
+      vendors={vendors}
+      locations={locations}
+      lowStockThreshold={settings.lowStockThreshold}
+    />
+  );
+}
diff --git a/src/components/layout/sidebar.tsx b/src/components/layout/sidebar.tsx
index e11232b..2579870 100644
--- a/src/components/layout/sidebar.tsx
+++ b/src/components/layout/sidebar.tsx
@@ -8,6 +8,7 @@ import {
   Cylinder,
   Droplets,
   Paintbrush,
+  Gem,
   Building2,
   MapPin,
   Settings,
@@ -25,6 +26,7 @@ const icons = {
   Cylinder,
   Droplets,
   Paintbrush,
+  Gem,
   Building2,
   MapPin,
   Settings,
@@ -35,6 +37,7 @@ const navItems = [
   { label: "Filaments", href: "/filaments", icon: "Cylinder" as const },
   { label: "Resins", href: "/resins", icon: "Droplets" as const },
   { label: "Paints", href: "/paints", icon: "Paintbrush" as const },
+  { label: "Supplies", href: "/supplies", icon: "Gem" as const },
   { label: "Vendors", href: "/vendors", icon: "Building2" as const },
   { label: "Locations", href: "/locations", icon: "MapPin" as const },
   { label: "Settings", href: "/settings", icon: "Settings" as const },
diff --git a/src/components/shared/usage-log-dialog.tsx b/src/components/shared/usage-log-dialog.tsx
index 96a429c..ba9e54b 100644
--- a/src/components/shared/usage-log-dialog.tsx
+++ b/src/components/shared/usage-log-dialog.tsx
@@ -35,7 +35,7 @@ interface UsageLogDialogProps {
   open: boolean;
   onOpenChange: (open: boolean) => void;
   itemName: string;
-  unit: "g" | "ml";
+  unit: string;
   onSubmit: (amount: number, notes?: string) => Promise<{ success: boolean; error?: string }>;
 }
 
diff --git a/src/data/dashboard.queries.ts b/src/data/dashboard.queries.ts
index 8f331d4..e7792f0 100644
--- a/src/data/dashboard.queries.ts
+++ b/src/data/dashboard.queries.ts
@@ -3,7 +3,7 @@ import { prisma } from "@/lib/prisma";
 interface LowStockItem {
   id: string;
   name: string;
-  type: "filament" | "resin" | "paint";
+  type: "filament" | "resin" | "paint" | "supply";
   colorHex: string;
   remaining: number;
   total: number;
@@ -33,7 +33,7 @@ export async function getDashboardStats(
   userId: string,
   lowStockThreshold: number
 ): Promise<DashboardStats> {
-  const [filaments, resins, paints, usageLogs24h, recentLogs] = await Promise.all([
+  const [filaments, resins, paints, supplies, usageLogs24h, recentLogs] = await Promise.all([
     prisma.filament.findMany({
       where: { userId, archived: false },
       select: {
@@ -67,6 +67,17 @@ export async function getDashboardStats(
         cost: true,
       },
     }),
+    prisma.supply.findMany({
+      where: { userId, archived: false },
+      select: {
+        id: true,
+        name: true,
+        colorHex: true,
+        totalAmount: true,
+        usedAmount: true,
+        cost: true,
+      },
+    }),
     prisma.usageLog.count({
       where: {
         userId,
@@ -81,16 +92,18 @@ export async function getDashboardStats(
         filament: { select: { name: true } },
         resin: { select: { name: true } },
         paint: { select: { name: true } },
+        supply: { select: { name: true } },
       },
     }),
   ]);
 
-  const totalItems = filaments.length + resins.length + paints.length;
+  const totalItems = filaments.length + resins.length + paints.length + supplies.length;
 
   const inventoryValue =
     filaments.reduce((sum: number, f: { cost: number | null }) => sum + (f.cost ?? 0), 0) +
     resins.reduce((sum: number, r: { cost: number | null }) => sum + (r.cost ?? 0), 0) +
-    paints.reduce((sum: number, p: { cost: number | null }) => sum + (p.cost ?? 0), 0);
+    paints.reduce((sum: number, p: { cost: number | null }) => sum + (p.cost ?? 0), 0) +
+    supplies.reduce((sum: number, s: { cost: number | null }) => sum + (s.cost ?? 0), 0);
 
   const lowStockItems: LowStockItem[] = [];
 
@@ -142,6 +155,22 @@ export async function getDashboardStats(
     }
   }
 
+  for (const s of supplies) {
+    const remaining = s.totalAmount - s.usedAmount;
+    const percent = s.totalAmount > 0 ? (remaining / s.totalAmount) * 100 : 0;
+    if (percent <= lowStockThreshold && percent > 0) {
+      lowStockItems.push({
+        id: s.id,
+        name: s.name,
+        type: "supply",
+        colorHex: s.colorHex ?? "#6b7280",
+        remaining,
+        total: s.totalAmount,
+        percent,
+      });
+    }
+  }
+
   lowStockItems.sort((a, b) => a.percent - b.percent);
 
   // eslint-disable-next-line @typescript-eslint/no-explicit-any
@@ -153,7 +182,7 @@ export async function getDashboardStats(
     notes: log.notes,
     createdAt: log.createdAt,
     itemName:
-      log.filament?.name ?? log.resin?.name ?? log.paint?.name ?? "Unknown",
+      log.filament?.name ?? log.resin?.name ?? log.paint?.name ?? log.supply?.name ?? "Unknown",
   }));
 
   return {
diff --git a/src/data/supply.queries.ts b/src/data/supply.queries.ts
new file mode 100644
index 0000000..b579d50
--- /dev/null
+++ b/src/data/supply.queries.ts
@@ -0,0 +1,80 @@
+import { prisma } from "@/lib/prisma";
+import { Prisma } from "@prisma/client";
+import type { DataTableSearchParams } from "@/types/table.types";
+
+interface SupplySearchParams extends DataTableSearchParams {
+  category?: string | string[];
+  vendor?: string | string[];
+  location?: string | string[];
+}
+
+export async function getSupplies(userId: string, params: SupplySearchParams) {
+  const page = Number(params.page) || 1;
+  const perPage = Number(params.perPage) || 20;
+  const skip = (page - 1) * perPage;
+
+  const categories = Array.isArray(params.category)
+    ? params.category
+    : params.category
+      ? [params.category]
+      : [];
+  const vendorIds = Array.isArray(params.vendor)
+    ? params.vendor
+    : params.vendor
+      ? [params.vendor]
+      : [];
+  const locationIds = Array.isArray(params.location)
+    ? params.location
+    : params.location
+      ? [params.location]
+      : [];
+
+  const where: Prisma.SupplyWhereInput = {
+    userId,
+    archived: params.archived === "true" ? undefined : false,
+    ...(params.search && {
+      OR: [
+        { name: { contains: params.search, mode: "insensitive" as Prisma.QueryMode } },
+        { brand: { contains: params.search, mode: "insensitive" as Prisma.QueryMode } },
+        { color: { contains: params.search, mode: "insensitive" as Prisma.QueryMode } },
+      ],
+    }),
+    ...(categories.length > 0 && { category: { in: categories } }),
+    ...(vendorIds.length > 0 && { vendorId: { in: vendorIds } }),
+    ...(locationIds.length > 0 && { locationId: { in: locationIds } }),
+  };
+
+  const sortField = params.sort || "createdAt";
+  const sortOrder = params.order || "desc";
+
+  const [data, totalCount] = await Promise.all([
+    prisma.supply.findMany({
+      where,
+      orderBy: { [sortField]: sortOrder },
+      skip,
+      take: perPage,
+      include: {
+        vendor: { select: { id: true, name: true } },
+        location: { select: { id: true, name: true } },
+      },
+    }),
+    prisma.supply.count({ where }),
+  ]);
+
+  return {
+    data,
+    pageCount: Math.ceil(totalCount / perPage),
+    totalCount,
+  };
+}
+
+export async function getSupplyById(id: string, userId: string) {
+  return prisma.supply.findFirst({
+    where: { id, userId },
+    include: {
+      vendor: { select: { id: true, name: true } },
+      location: { select: { id: true, name: true } },
+      tags: { include: { tag: true } },
+    },
+  });
+}
diff --git a/src/lib/constants.ts b/src/lib/constants.ts
index 85d1b12..0e1d43f 100644
--- a/src/lib/constants.ts
+++ b/src/lib/constants.ts
@@ -5,6 +5,7 @@ export const NAV_ITEMS = [
   { label: "Filaments", href: "/filaments", icon: "Cylinder" },
   { label: "Resins", href: "/resins", icon: "Droplets" },
   { label: "Paints", href: "/paints", icon: "Paintbrush" },
+  { label: "Supplies", href: "/supplies", icon: "Gem" },
   { label: "Vendors", href: "/vendors", icon: "Building2" },
   { label: "Locations", href: "/locations", icon: "MapPin" },
   { label: "Settings", href: "/settings", icon: "Settings" },
@@ -47,6 +48,32 @@ export const PAINT_FINISHES = [
   "Other",
 ] as const;
 
+export const SUPPLY_CATEGORIES = [
+  "Glitter",
+  "Alcohol Ink",
+  "Mica Powder",
+  "Pigment",
+  "Silicone",
+  "Resin Additive",
+  "Sanding/Polishing",
+  "Mold",
+  "Other",
+] as const;
+
+export const SUPPLY_UNITS = ["g", "ml", "sheets", "pieces", "oz"] as const;
+
+export const SUPPLY_CATEGORY_DEFAULTS: Record<string, { unit: string; totalAmount: number }> = {
+  "Glitter":           { unit: "g",      totalAmount: 50 },
+  "Alcohol Ink":       { unit: "ml",     totalAmount: 15 },
+  "Mica Powder":       { unit: "g",      totalAmount: 25 },
+  "Pigment":           { unit: "g",      totalAmount: 25 },
+  "Silicone":          { unit: "ml",     totalAmount: 500 },
+  "Resin Additive":    { unit: "ml",     totalAmount: 100 },
+  "Sanding/Polishing": { unit: "sheets", totalAmount: 10 },
+  "Mold":              { unit: "pieces", totalAmount: 1 },
+  "Other":             { unit: "g",      totalAmount: 100 },
+};
+
 export const CURRENCIES = ["USD", "EUR", "GBP", "CAD", "AUD", "JPY"] as const;
 
 export const UNITS = ["metric", "imperial"] as const;
diff --git a/src/schemas/supply.schema.ts b/src/schemas/supply.schema.ts
new file mode 100644
index 0000000..a75c9b4
--- /dev/null
+++ b/src/schemas/supply.schema.ts
@@ -0,0 +1,20 @@
+import { z } from "zod/v4";
+import { SUPPLY_CATEGORIES } from "@/lib/constants";
+
+export const supplySchema = z.object({
+  name: z.string().min(1, "Name is required").max(128),
+  brand: z.string().min(1, "Brand is required").max(64),
+  category: z.enum(SUPPLY_CATEGORIES),
+  color: z.string().max(64).optional().or(z.literal("")),
+  colorHex: z.string().regex(/^#[0-9A-Fa-f]{6}$/, "Invalid hex color").optional().or(z.literal("")),
+  totalAmount: z.coerce.number().positive("Total amount must be positive"),
+  usedAmount: z.coerce.number().min(0).default(0),
+  unit: z.string().min(1, "Unit is required").max(16),
+  vendorId: z.string().optional().or(z.literal("")),
+  locationId: z.string().optional().or(z.literal("")),
+  purchaseDate: z.string().optional().or(z.literal("")),
+  cost: z.coerce.number().min(0).optional(),
+  notes: z.string().max(1024).optional(),
+});
+
+export type SupplyInput = z.output<typeof supplySchema>;