wychdev-nextjs/components/burgermenu.tsx

import styled, { css } from "styled-components";
import React, { useState } from "react";
import NavLinks from "./navlinks";

const MenuLine = styled.div`
  width: 1.8rem;
  height: 3px;
  border-radius: 2px;
  background-color: var(--fg);
  &:not(:last-child) {
    margin-bottom: 0.4rem;
  }
`;

const BurgerContainer = styled.div<{ open: boolean }>`
  display: none;
  width: 1.8rem;
  height: 1.8rem;
  flex-direction: column;
  justify-content: center;
  margin-left: auto;

  div {
    transition: 0.2s;
  }

  &:hover {
    cursor: pointer;
  }

  @media screen and (max-width: 960px) {
    display: flex;

    nav {
      display: none !important;
      position: absolute;
      top: 0;
    }
  }

  ${({ open }) =>
    open &&
    css`
      position: fixed;
      right: 2rem;
      z-index: 99;

      div {
        position: absolute;
      }

      div:nth-child(1) {
        transform: rotate(45deg) translate(0.2rem, 0.2rem);
      }

      div:nth-child(2) {
        transform: rotate(-45deg) translate(-0.18rem, 0.2rem);
      }

      div:last-child {
        display: none;
      }
    `}
`;

const BNavCont = styled.nav<{ show: boolean }>`
  display: flex;
  opacity: 0;
  backdrop-filter: blur(25px);
  position: fixed;
  flex-direction: column;
  background: #21242baf;
  left: 0;
  top: 0;
  pointer-events: none;
  width: 100vw;
  height: 100vh;
  z-index: 2;
  transition: opacity 0.2s;

  align-items: center;
  justify-content: center;

  gap: 1.5rem;
  font-size: 1.2rem;
  border: unset;

  a {
    font-size: 2rem;
    color: var(--fg-button);
    transition: var(--trans-time) opacity;
    text-align: center;
  }

  a:hover {
    opacity: 0.4;
  }

  ${({ show }) =>
    show &&
    css`
      display: flex;
      opacity: 1;
      pointer-events: unset;
    `}

  @media screen and (min-width: 960px) {
    display: none;
    position: absolute;
    top: 0;
  }
`;

const BNav: React.FC<{ show: boolean; onClick: () => void }> = ({
  show,
  onClick,
}) => {
  return (
    <BNavCont show={show} onClick={onClick}>
      <NavLinks />
    </BNavCont>
  );
};

const Menu = () => {
  const [open, setOpen] = useState(false);
  return (
    <>
      <BNav show={open} onClick={() => setOpen(false)} />
      <BurgerContainer open={open} onClick={() => setOpen(!open)}>
        <MenuLine />
        <MenuLine />
        <MenuLine />
      </BurgerContainer>
    </>
  );
};

export default Menu;