header {
  padding: var(--space-s) 0;
  display: flex;
  flex-wrap: wrap;
  margin: 0 auto;
}

#search_form {
  display: flex;
  align-items: center;
  border: 1px solid var(--accent-color);
}

#search_form input[type="text"] {
  padding: var(--space-s);
  font-size: medium;
  border: none;
  width: 100%;
  background: transparent;
  color: var(--accent-color);
  border-left: 1px solid var(--accent-color);
}

#search_form input[type="text"]:focus {
  outline: none;
}

#search_form button {
  padding: var(--space-xs) var(--space-s);
  background: var(--main-bg-color);
  font-size: medium;
  border: none;
  cursor: pointer;
  width: var(--space-l);
  height: 100%;
}

#search_form button .fa {
  color: var(--accent-color);
}

header a.header-item {
  cursor: pointer;
  padding: var(--space-s);
}

header a.header-item:hover {
  text-decoration: underline;
}

.mnu-right {
  margin-left: auto;
}

#login {
  cursor: pointer;
}

#signup {
  cursor: pointer;
}

/* Nav bar */

nav {
  background-color: var(--accent-color);
}

nav > ul {
  display: flex;
  margin: 0 auto;
  max-width: 1350px;
  position: relative;
}

nav > ul > li {
  flex-grow: 1;
  text-align: center;
  margin-top: 1px;
}

nav > ul > li > a {
  display: inline-block;
  padding: 0 var(--space-s);
  color: var(--text-color);
  height: var(--space-xl);
  width: 100%;
  text-transform: uppercase;
  vertical-align: top;
  line-height: var(--space-xl);
}

.navbar-extended-tab {
  display: none;
  position: absolute;
  left: 0;
  z-index: 99;
  width: 100%;
  background-color: var(--secondary-bg-color);
}

.navbar-extended-tab-content {
  display: flex;
  padding: var(--space-m);
  padding-bottom: var(--space-xl);
  text-align: left;
}

.navbar-extended-tab-content > div:not(:last-child) {
  margin-right: var(--space-m);
}

.navbar-extended-tab-content > div > ul > li {
  white-space: nowrap;
  padding: var(--space-xs) 0;
}

.navbar-tab-header {
  display: inline-block;
  font-size: large;
  padding: var(--space-s) 0;
}

.navbar-grid-header-wrap {
  display: flex;
}

.navbar-grid {
  display: flex;
  width: 100%;
}

.two-column {
  display: grid;
  grid-template-columns: 15% 85%;
}

.four-column {
  display: grid;
  grid-template-columns: 15% 35% 35% 15%;
}

.navbar-model-grid {
  display: grid;
  grid-template-columns: 20% 20% 20% 20% 20%;
  grid-gap: 1px;
}

.navbar-video-grid {
  display: grid;
  grid-template-columns: 50% 50%;
  grid-gap: 1px;
}

.navbar-video-grid > div {
  margin-bottom: var(--space-m);
}

.navbar-grid > .item {
  flex-grow: 1;
  flex-shrink: 1;
  min-width: 0;
}

.navbar-show {
  margin-left: auto;
  margin-right: var(--space-s);
  cursor: pointer;
}

@media (min-width: 768px) {
  nav > ul > li.selected,
  nav > ul > li:hover {
    background: var(--main-bg-color);
  }
}

@media (max-width: 768px) {
  nav {
    display: none;
  }
  nav ul {
    display: flex;
    flex-direction: column;
  }
  nav ul li {
    font-size: small;
  }
  nav ul li a {
    display: block;
    padding: var(--space-s);
  }
  .hdr-upload,
  .header-login,
  .header-signup,
  .header-name {
    display: none;
  }
  #search_form {
    order: 999;
    width: 100%;
  }
}

@media (hover: hover) {
  nav > ul > li:hover > .navbar-extended-tab {
    display: block;
  }
}