.ff-app-header-main {
  display: flex;

  .ff-app-header {
    display: flex;
    z-index: 999;
    flex-basis: 100%;
    justify-content: space-between;
    background-color: var(--brand-color);
    padding-left: 8px;
    height: 40px;
    pointer-events: initial;
    position: relative;
    min-height: 40px;
    &--disabled {
      pointer-events: none;
      opacity: 0.5;
    }

    .ff-app-header-left-container {
      display: flex;

      .ff-app-header-logo-icon {
        padding: 4px;
        height: 24px;
      }
    }
    .ff-app-header-nav-bar-skeleton,
    .ff-app-header-nav-bar {
      display: flex;
      align-items: center;
      justify-content: center;
      background-color: var(--brand-color);
      transform: translateY(12px);
      border-radius: 20px;
      padding: 4px;
      padding-bottom: 16px;
      height: 40px;
    }
    .ff-app-header-nav-bar {
      .ff-app-header-nav-bar-items {
        display: flex;
        align-items: center;
        margin-right: 8px;

        .ff-app-header-nav-bar-item {
          margin-left: 8px;
          padding: 7px;
          color: var(--ff-header-text-color);
          cursor: pointer;
          display: flex;
          position: relative;
          flex: 1 1 auto;
          overflow: hidden;
          transition: flex-grow 1s ease, opacity 1s ease, max-width 1s ease;
          max-width: 150px;

          &:not(.ff-app-header-nav-bar-item--selected):hover {
            transform: scale(1.1);
            &::after {
              animation: oscillate-border-width 0.5s ease-in-out forwards;
            }
          }

          &::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 25%;
            width: 0%;
            height: 2px;
            background: var(--ff-app-header-menu-border-bottom-color);
            border-radius: 4px;
            transition: width 0.15s ease-in-out;
          }

          .ff-app-header-nav-bar-item-label {
            white-space: nowrap;
            align-content: center;
          }

          &--selected {
            padding: 3px;
            background-color: var(--primary-icon-color);
            border-radius: 20px;
            flex-grow: 12;
            max-width: 700px;
            opacity: 1;

            &:hover {
              margin-top: 0px;
            }

            .ff-app-header-nav-bar-item-label {
              box-shadow: 0px 4px 4px 0px var(--toggle-strip-shadow) inset;
              background: linear-gradient(
                90deg,
                var(--brand-color) 0%,
                var(--button-background-gradient-color) 100%
              );
              border-radius: 20px;
              padding: 4px 8px;
            }

            :last-child {
              margin-right: 3px;
            }

            :first-child {
              margin: 0;
            }
          }

          &--disabled {
            cursor: not-allowed;
            opacity: 0.5;
            pointer-events: none;
          }

          .ff-app-header-submenu-container {
            display: flex;

            .ff-app-header-nav-bar-submenu-item {
              color: var(--ff-header-submenu-text-color);
              align-content: center;
              position: relative;
              white-space: nowrap;

              &:hover {
                color: var(--ff-header-submenu-highlight-text-color);
              }

              &:not(
                  .ff-app-header-nav-bar-submenu-item--selected
                ):hover::after {
                animation: oscillate-border-width 0.5s ease-in-out forwards;
              }

              &::after {
                content: '';
                position: absolute;
                bottom: 0;
                left: 25%;
                width: 0%;
                height: 2px;
                border-radius: 4px;
                transition: width 0.15s ease-in-out;
                background: var(--ff-app-header-submenu-border-bottom-color);
              }

              padding-left: 8px;

              &--selected {
                color: var(--ff-header-submenu-highlight-text-color);

                &::after {
                  content: '';
                  position: absolute;
                  bottom: 0;
                  left: 20%;
                  width: 70%;
                  height: 2px;
                  border-radius: 4px;
                  box-shadow: 0px 1px 0.2px 0px
                    var(--ff-app-header-item-shadow-color);
                  background: var(--ff-app-header-submenu-border-bottom-color);
                }
              }

              &--disabled {
                cursor: not-allowed;
                opacity: 0.5;
                pointer-events: none;
              }
            }

            .ff-app-header-quickmenu-container {
              display: flex;
              align-items: center;
              overflow: hidden;

              .ff-app-header-nav-bar-quickmenu-item {
                margin-right: 8px;

                &:last-child {
                  margin: 0px;
                }

                .ff-tooltip-container {
                  display: inline;

                  .ff-icon-container {
                    padding: 4px;
                  }
                }

                &--selected {
                  background: var(--brand-color);
                  border-radius: 5px;

                  :hover {
                    background: transparent;
                  }

                  svg path {
                    fill: var(--primary-button-text-color);
                  }
                }

                &--disabled {
                  cursor: not-allowed;
                  opacity: 0.5;
                  pointer-events: none;
                }
              }
            }
          }
        }

        .more-menu {
          width: 40px;
          margin-left: 8px;
          display: flex;
          justify-content: center;
          padding-left: 8px;

          .ff-app-header-more-icon {
            svg {
              path {
                fill: var(--primary-icon-color);
              }
              cursor: pointer;
            }
          }

          &--disabled {
            cursor: not-allowed;
            opacity: 0.5;
            pointer-events: none;
          }
        }

        .more-menu .ff-menuicon-container {
          width: 40px !important;
          height: 32px !important;
          border-radius: 16px !important;
        }
      }
    }
    .ff-app-header-left-content,
    .ff-app-header-right-content {
      height: 24px;
      padding: 8px;
      align-content: center;

      &--disabled {
        opacity: 0.5;
        pointer-events: none;
      }
    }
  }
}

@keyframes oscillate-border-width {
  0% {
    width: 50%;
    left: 25%;
  }
  50% {
    width: 70%;
    left: 15%;
  }
  100% {
    width: 50%;
    left: 25%;
  }
}

@keyframes quickmenu-expand {
  from {
    max-height: 0;
    opacity: 0;
  }
  to {
    max-height: 500px;
    opacity: 1;
  }
}

@keyframes quickmenu-collapse {
  from {
    max-height: 500px;
    opacity: 1;
  }
  to {
    max-height: 0;
    opacity: 0;
  }
}