🐛 fix: 모달에 z-index추가, page.tsx에 min-h-screen으로 수정

src/app/dashboard/[id]/page.tsx

@@ -147,7 +147,7 @@ export default function DashboardID() {
     <>
       <div className="select-none">
         <div
-          className="flex min-h-[calc(100vh-100px)] mobile:flex-col tablet:flex-col"
+          className="flex min-h-screen mobile:flex-col tablet:flex-col"
           onTouchStart={handleTouchStart}
           onTouchMove={handleTouchMove}
           onTouchEnd={handleTouchEnd}

src/app/features/dashboard_Id/Card/cardFormModals/CreateCardModal.tsx

@@ -13,7 +13,7 @@ export default function CreateCardModal({ children }: ModalProps) {
   if (!modalRoot) return null
 
   return createPortal(
-    <div className="fixed inset-0 flex items-center justify-center bg-black/40">
+    <div className="z-60 fixed inset-0 flex items-center justify-center bg-black/40">
       <div className="BG-white h-970 w-584 overflow-y-scroll rounded-16 p-32 shadow-lg [mask-image:radial-gradient(white_100%,transparent_100%)] mobile:h-766 mobile:w-327 mobile:px-16 mobile:py-24">
         {children}
       </div>

src/app/features/dashboard_Id/Card/cardModal/CardModal.tsx

@@ -13,7 +13,7 @@ export default function CardModal({ children }: ModalProps) {
   if (!modalRoot) return null
 
   return createPortal(
-    <div className="fixed inset-0 flex items-center justify-center bg-black/40">
+    <div className="z-60 fixed inset-0 flex items-center justify-center bg-black/40">
       <div>{children}</div>
     </div>,
     modalRoot,