*,
*::before,
*::after {
  box-sizing: border-box;
}

/* Remove default margin */
*:not(dialog) {
  margin: 0;
}

html {
  height: 100%;
}

body {
  height: 100%;
  line-height: 1.5;
  font-family: "Inter", sans-serif;
  display: flex;
  flex-direction: column;
}

/* Inherit fonts for form controls */
input,
button,
textarea {
  font: inherit;
}

/* Avoid text overflows */
p,
h1,
h2 {
  overflow-wrap: break-word;
}

/* 9. Improve line wrapping */
p {
  text-wrap: pretty;
}
h1,
h2 {
  text-wrap: balance;
}

header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  padding: 14px 0;
  border-bottom: 0.5px solid rgba(204, 204, 204, 70%);
}

.logo {
  text-decoration: none;
  margin-left: 16px;
}

.logo img {
  max-width: 100%;
  height: 24px;
}

nav {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-basis: 100%;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 200ms ease, opacity 150ms ease;
}

nav:not(.nav-collapsed) {
  max-height: 300px; /* enough to fit nav content */
  opacity: 1;
}

.menu-btn {
  border: none;
  background: none;
  padding: 4px;
  line-height: 1;
  color: #0b0b0b;
  gap: 20px;
  cursor: pointer;
  margin-right: 16px;
}

.menu-btn svg {
  width: 20px;
}

.hidden {
  display: none;
}

.nav-link,
.logout-btn {
  font-size: 14px;
}

.nav-link {
  color: #52514e;
  text-decoration: none;
  width: 100%;
  border-bottom: 0.5px solid rgba(204, 204, 204, 70%);
  padding: 14px 16px;
}

.nav-link:first-child {
  border-top: 0.5px solid rgba(204, 204, 204, 70%);
  padding-top: 22px;
  margin-top: 12px;
}

.nav-link:focus-visible {
  outline: 2px solid #52514e;
  outline-offset: -2px;
}

.nav-link:active {
  background-color: #f5f5f5;
}

.nav-link[aria-current="page"] {
  color: #6b6b6b;
  font-weight: 500;
}

form {
  width: 100%;
  padding: 14px 16px 8px;
}

.logout-btn {
  color: #0b0b0b;
  padding: 4px 12px;
  background: transparent;
  border: 0.5px solid rgba(204, 204, 204, 70%);
  border-radius: 8px;
  width: 100%;
  text-align: left;
  cursor: pointer;
  transition: background-color 0.1s ease, transform 0.05s ease;
}

.logout-btn:hover {
  background: #fcfcfb;
}

.logout-btn:active {
  transform: scale(0.98);
}

.logout-btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px #ffffff, 0 0 0 3.5px #185fa5;
}

.nav-link[aria-current="page"] {
  color: #0b0b0b;
}

body > footer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 16px;
  border-top: 0.5px solid rgba(204, 204, 204, 70%);
  margin-top: auto;
}

body > footer a {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: #52514e;
  text-decoration: none;
}

body > footer p {
  font-size: 12px;
  color: #898781;
}

@media (min-width: 640px) {
  .menu-btn {
    display: none;
  }

  nav {
    flex-direction: row;
    flex-basis: auto;
    gap: 20px;
  }

  header {
    padding: 14px 16px;
  }

  .logo {
    margin: 0;
  }

  .menu-btn {
    margin: 0;
  }

  .nav-link {
    width: auto;
    border: none;
    padding: 0;
    margin: 0;
  }

  .nav-link:first-child {
    border: 0;
    margin: 0;
    padding: 0;
  }

  .nav-link:hover {
    color: #0b0b0b;
  }

  .nav-link:active {
    background-color: transparent;
    color: #2b2b2b;
  }

  .nav-link:focus-visible {
    outline-offset: 2px;
  }

  .nav-link[aria-current="page"] {
    color: #0b0b0b;
  }

  form {
    width: auto;
    padding: 0;
  }

  .logout-btn {
    width: auto;
    text-align: center;
  }

  body > footer {
    flex-direction: row;
    justify-content: space-between;
  }

  body > footer p {
    order: 1;
    font-size: 13px;
  }

  body > footer a {
    order: 2;
  }
}