style(ui): change default button size from sm to md and remove explicit size="sm" props

src/shared/components/Button.js

@@ -7,7 +7,7 @@ const Button = ({
     onClick,
     type = 'button',
     variant = 'primary',
-    size = 'sm',
+    size = 'md',
     disabled = false,
     loading = false,
     icon,
@@ -27,23 +27,23 @@ const Button = ({
     };
 
     const sizes = {
-        sm: 'px-[12px] py-[6px] text-[12px] gap-1.5',
-        md: 'px-[14px] py-[7px] text-[13px] gap-2',
-        lg: 'px-6 py-3 text-base gap-2.5'
+        sm: '',
+        md: 'px-[12px] py-[7px] text-[12px] gap-1.5',
+        lg: ''
     };
 
     const iconOnlySizes = {
-        sm: 'p-[6px] text-[12px]',
-        md: 'p-[7px] text-[13px]',
-        lg: 'p-3 text-base'
+        sm: '',
+        md: 'p-[7px] text-[12px]',
+        lg: ''
     };
 
     const isIconOnly = icon && !children;
     
     const iconSizes = {
-        sm: 'w-3.5 h-3.5',
+        sm: '',
         md: 'w-4 h-4',
-        lg: 'w-5 h-5'
+        lg: ''
     };
 
     const LoadingSpinner = () => (

src/shared/components/Modal.js

@@ -40,7 +40,6 @@ const Modal = ({
         <div className="flex items-center justify-end gap-2">
             <Button
                 variant="ghost"
-                size="sm"
                 onClick={onClose}
                 disabled={loading}
             >
@@ -50,7 +49,6 @@ const Modal = ({
                 type="submit"
                 form={FORM_ID}
                 variant={submitVariant}
-                size="sm"
                 loading={loading}
                 disabled={disabled || loading}
             >
@@ -90,7 +88,6 @@ const Modal = ({
                         {closable && (
                             <Button
                                 variant="ghost"
-                                size="sm"
                                 onClick={onClose}
                                 icon={Cancel01Icon}
                                 className="!p-1 -mr-1"

src/shared/components/Table.js

@@ -215,7 +215,6 @@ const Table = ({
                             {totalPages > 1 && (
                                 <Button
                                     variant="ghost"
-                                    size="sm"
                                     onClick={() => onPageChange(currentPage - 1)}
                                     disabled={currentPage === 1}
                                 >
@@ -240,7 +239,6 @@ const Table = ({
                             {totalPages > 1 && (
                                 <Button
                                     variant="ghost"
-                                    size="sm"
                                     onClick={() => onPageChange(currentPage + 1)}
                                     disabled={currentPage === totalPages}
                                 >