diff --git a/tailwind.config.ts b/tailwind.config.ts
new file mode 100644
index 0000000..3d8a843
--- /dev/null
+++ b/tailwind.config.ts
@@ -0,0 +1,88 @@
+import type { Config } from "tailwindcss";
+
+const config: Config = {
+  darkMode: ["class"],
+  content: ["./src/**/*.{ts,tsx}", "./messages/**/*.json"],
+  theme: {
+    extend: {
+      colors: {
+        border: "hsl(var(--border))",
+        input: "hsl(var(--input))",
+        ring: "hsl(var(--ring))",
+        background: "hsl(var(--background))",
+        foreground: "hsl(var(--foreground))",
+        primary: {
+          DEFAULT: "hsl(var(--primary))",
+          foreground: "hsl(var(--primary-foreground))",
+        },
+        secondary: {
+          DEFAULT: "hsl(var(--secondary))",
+          foreground: "hsl(var(--secondary-foreground))",
+        },
+        muted: {
+          DEFAULT: "hsl(var(--muted))",
+          foreground: "hsl(var(--muted-foreground))",
+        },
+        accent: {
+          DEFAULT: "hsl(var(--accent))",
+          foreground: "hsl(var(--accent-foreground))",
+        },
+        destructive: {
+          DEFAULT: "hsl(var(--destructive))",
+          foreground: "hsl(var(--destructive-foreground))",
+        },
+        card: {
+          DEFAULT: "hsl(var(--card))",
+          foreground: "hsl(var(--card-foreground))",
+        },
+        success: "hsl(var(--success))",
+        warning: "hsl(var(--warning))",
+      },
+      borderRadius: {
+        xl: "calc(var(--radius) + 6px)",
+        lg: "var(--radius)",
+        md: "calc(var(--radius) - 4px)",
+        sm: "calc(var(--radius) - 6px)",
+      },
+      boxShadow: {
+        panel: "0 1px 2px rgba(16, 24, 40, 0.06)",
+        raised: "0 8px 24px rgba(15, 23, 42, 0.10)",
+        "glow-sm":
+          "0 0 0 1px hsl(var(--primary) / 0.25), 0 2px 12px -2px hsl(var(--primary) / 0.45)",
+        glow: "0 0 0 1px hsl(var(--primary) / 0.3), 0 4px 24px -4px hsl(var(--primary) / 0.55)",
+      },
+      fontFamily: {
+        sans: ["var(--font-sans)", "system-ui", "Segoe UI", "sans-serif"],
+        display: ["var(--font-display)", "var(--font-sans)", "system-ui", "sans-serif"],
+        mono: ["var(--font-mono)", "ui-monospace", "SFMono-Regular", "monospace"],
+      },
+      keyframes: {
+        "fade-in": {
+          from: { opacity: "0" },
+          to: { opacity: "1" },
+        },
+        "scale-in": {
+          from: { opacity: "0", transform: "scale(0.96) translateY(8px)" },
+          to: { opacity: "1", transform: "scale(1) translateY(0)" },
+        },
+        "slide-in-left": {
+          from: { transform: "translateX(-100%)" },
+          to: { transform: "translateX(0)" },
+        },
+        "pulse-soft": {
+          "0%, 100%": { opacity: "1" },
+          "50%": { opacity: "0.55" },
+        },
+      },
+      animation: {
+        "fade-in": "fade-in 0.25s ease-out both",
+        "scale-in": "scale-in 0.25s cubic-bezier(0.22, 0.61, 0.36, 1) both",
+        "slide-in-left": "slide-in-left 0.3s cubic-bezier(0.22, 0.61, 0.36, 1) both",
+        "pulse-soft": "pulse-soft 2.4s ease-in-out infinite",
+      },
+    },
+  },
+  plugins: [],
+};
+
+export default config;