diff --git a/frontend/src/components/ui/button.tsx b/frontend/src/components/ui/button.tsx
index c340d90..427b1e8 100644
--- a/frontend/src/components/ui/button.tsx
+++ b/frontend/src/components/ui/button.tsx
@@ -4,22 +4,23 @@ 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-md text-sm font-medium transition-colors focus-visible:outline-none focus-visible:ring-1 focus-visible:ring-ring disabled:pointer-events-none disabled:opacity-50 cursor-pointer',
+  'inline-flex items-center justify-center whitespace-nowrap rounded-md text-sm font-medium transition-colors focus-visible:outline-none focus-visible:ring-1 focus-visible:ring-ring disabled:pointer-events-none disabled:opacity-50',
   {
     variants: {
       variant: {
-        default: 'bg-primary text-primary-foreground hover:bg-primary/90',
-        destructive: 'bg-destructive text-destructive-foreground hover:bg-destructive/90',
+        default: 'bg-[hsl(var(--accent-muted))] text-accent hover:bg-accent/20',
+        solid: 'bg-accent text-white hover:bg-accent-hover',
+        destructive: 'bg-error/15 text-error hover:bg-error/20',
         outline:
-          'border border-border-bright bg-transparent text-text-primary hover:bg-elevated/50',
-        secondary: 'bg-secondary text-secondary-foreground hover:bg-secondary/80',
-        ghost: 'text-text-secondary hover:bg-elevated/50 hover:text-text-primary',
+          'border border-border bg-transparent text-text-secondary hover:bg-elevated hover:text-text-primary',
+        secondary: 'bg-elevated text-text-secondary hover:text-text-primary',
+        ghost: 'text-text-secondary hover:bg-elevated hover:text-text-primary',
         link: 'text-accent underline-offset-4 hover:underline',
       },
       size: {
-        default: 'h-8 px-3 py-1.5',
-        sm: 'h-7 px-2 py-1 text-xs',
-        lg: 'h-10 px-4 py-2',
+        default: 'h-8 px-3 text-xs',
+        sm: 'h-7 px-2.5 text-xs',
+        lg: 'h-9 px-4 text-sm',
         icon: 'h-8 w-8',
       },
     },