chore: restyle modal with model select (#202)

chore: set normal font size for sidebar
chore: set normal gradient for `ChatInput`

components/Sidebar/ClearConversations.tsx

@@ -21,13 +21,13 @@ export const ClearConversations: FC<Props> = ({ onClearConversations }) => {
     <div className="flex w-full cursor-pointer items-center rounded-md py-3 px-3 hover:bg-[#343541]">
       <IconTrash size={18} />
 
-      <div className="ml-3 flex-1 text-left text-white">
+      <div className="ml-3 flex-1 text-left text-[12.5px] leading-3 text-white">
         {t('Are you sure?')}
       </div>
 
       <div className="flex w-[40px]">
         <IconCheck
-          className="ml-auto min-w-[20px] text-neutral-400 hover:text-neutral-100"
+          className="ml-auto min-w-[20px] mr-1 text-neutral-400 hover:text-neutral-100"
           size={18}
           onClick={(e) => {
             e.stopPropagation();