.header {
  background-color: white;
  height: 58px;
  border-bottom: 1px solid rgb(214, 214, 214);

  padding-left: 25px;
  padding-right: 25px;

  display: flex;
  justify-content: space-between;
  align-items: center;

  position: fixed;
  top: 0;
  right: 0;
  left: 0;

  z-index: 100;
}

.header .column-1,
.header .column-2,
.header .column-3 {
  display: flex;
  align-items: center;
}

/* -- Column 1 -- */
.header .column-1 {
  width: 200px;
  flex-shrink: 0;
}

.hamburger-menu {
  width: 23px;
  margin-right: 25px;
  cursor: pointer;
}

.youtube-logo {
  width: 90px;
  cursor: pointer;
}


/* -- Column 2 -- */
.header .column-2 {
  width: 480px;
  justify-content: center;
}

.search-input {
  width: 100%;
  height: 40px;
  font-size: 16px;

  padding: 9px 12px;

  border: 1px solid rgb(214, 214, 214);
  border-radius: 2px;
  flex-shrink: 1;
  z-index: 1;
}

.search-input:focus {
  border: 1px solid rgba(41, 41, 240, 0.897);
  outline: none;
}

.search-icon-container {
  width: 65px;
  height: 40px;
  background-color: rgb(247, 247, 247);

  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;

  border: 1px solid rgb(214, 214, 214);

  margin-left: -1px;
  margin-right: 10px;

  position: relative;
  cursor: pointer;
}

.voice-search-container {
  background-color: rgb(247, 247, 247);
  padding: 8px 8px;

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

  border-radius: 50px;
  cursor: pointer;
}

.search-icon,
.voice-search-icon {
  width: 24px;
}

/* -- Column 3 -- */
.header .column-3 {
  width: 200px;
  justify-content: right;
  column-gap: 22px;

  flex-shrink: 0;
}

.upload-container,
.youtube-apps-container,
.notifications-container {
  display: flex;
  align-items: center;
  justify-content: center;

  cursor: pointer;
}

.notifications-container {
  display: flex;
  align-items: center;
  justify-content: center;

  position: relative;
}

.notifications {
  background-color: rgb(231, 0, 0);
  color: white;
  font-size: 10px;

  position: absolute;
  top: -2px;
  right: -5px;

  padding: 2px 5px;
  border-radius: 25px;
}

.upload-icon,
.youtube-apps-icon,
.notifications-icon {
  width: 25px;
}

.channel-profile {
  width: 35px;
  height: 35px;

  border-radius: 50px;

  object-fit: cover;
  object-position: top;

  cursor: pointer;
}

/* Tooltip */
.tooltip {
  background-color: rgb(156, 156, 156);
  color: white;

  font-size: 12px;
  white-space: nowrap;

  padding: 8px 10px;

  position: absolute;
  bottom: -40px;

  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s;
}

.search-icon-container .tooltip {
  bottom: -48px;
}

.notifications-container .tooltip {
  bottom: -55px;
}

.search-icon-container:hover .tooltip,
.voice-search-container:hover .tooltip,
.upload-container:hover .tooltip,
.youtube-apps-container:hover .tooltip,
.notifications-container:hover .tooltip {
  opacity: 1;
}