.research-filter {
  width: min(calc(100% - (2 * var(--page-gutter))), var(--container-max));
  margin: 60px auto 0;
}

.research-filter__panel {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 164px;
  padding: 24px;
  border-radius: 24px;
  background: var(--color-white);
  box-shadow: 0 2px 3.5px rgb(0 0 0 / 7%);
}

.research-filter__viewport {
  min-width: 0;
  flex: 1;
  margin-block: -4px -10px;
  padding-block: 4px 10px;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  scrollbar-width: none;
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
}

.research-filter__viewport::-webkit-scrollbar {
  display: none;
}

.research-filter__track {
  display: flex;
  width: max-content;
  gap: 22px;
}

.research-filter__item {
  display: flex;
  flex: 0 0 90px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  width: 90px;
  height: 116px;
  padding: 14px 10px;
  border: 0;
  border-radius: 16px;
  color: var(--color-text);
  background: rgb(255 255 255 / 60%);
  box-shadow: 0 2px 7px rgb(0 0 0 / 7%);
  cursor: pointer;
  scroll-snap-align: start;
  scroll-snap-stop: always;
  transition:
    color 180ms ease,
    background 180ms ease,
    transform 180ms ease;
}

.research-filter__item:hover {
  transform: translateY(-2px);
}

.research-filter__item:focus-visible,
.research-filter__arrow:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
}

.research-filter__item.is-active {
  color: var(--color-white);
  background: var(--primary-gradient);
}

.research-filter__item:last-of-type {
  margin-right: 12px;
}

.research-filter__icon {
  position: relative;
  display: grid;
  width: 60px;
  height: 60px;
  flex: 0 0 60px;
  place-items: center;
  border-radius: 50%;
  background: rgb(255 255 255 / 60%);
  box-shadow: 0 1px 2px rgb(0 0 0 / 34%);
}

.research-filter__icon::before,
.research-filter__icon::after {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  content: "";
  pointer-events: none;
}

.research-filter__icon::before {
  border: 1px solid rgb(255 255 255 / 95%);
  -webkit-mask-image: linear-gradient(
    135deg,
    #000 0%,
    #000 22%,
    transparent 55%
  );
  mask-image: linear-gradient(135deg, #000 0%, #000 22%, transparent 55%);
}

.research-filter__icon::after {
  border: 1px solid rgb(126 82 221 / 55%);
  -webkit-mask-image: linear-gradient(
    135deg,
    transparent 45%,
    #000 78%,
    #000 100%
  );
  mask-image: linear-gradient(135deg, transparent 45%, #000 78%, #000 100%);
}

.research-filter__item:not(.is-active) .research-filter__icon::before,
.research-filter__item:not(.is-active) .research-filter__icon::after {
  display: none;
}

.research-filter__item.is-active .research-filter__icon {
  background: rgb(255 255 255 / 24%);
  box-shadow: 0 1px 2px rgb(50 25 105 / 20%);
}

.research-filter__item.is-active .research-filter__icon::after {
  border-color: rgb(255 255 255 / 65%);
}

.research-filter__icon-graphic {
  width: 24px;
  height: 24px;
  background: var(--color-secondary);
  -webkit-mask: var(--research-filter-icon) center / contain no-repeat;
  mask: var(--research-filter-icon) center / contain no-repeat;
}

.research-filter__item.is-active .research-filter__icon-graphic {
  background: var(--color-white);
}

.research-filter__label {
  max-width: 100%;
  overflow: hidden;
  color: inherit;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.15;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.research-filter__arrow {
  position: relative;
  z-index: 2;
  display: grid;
  width: 41px;
  height: 41px;
  flex: 0 0 41px;
  margin-left: 22px;
  padding: 0;
  place-items: center;
  border: 0;
  border-radius: 50%;
  color: var(--color-primary);
  background: var(--color-white);
  box-shadow: 0 2px 7px rgb(0 0 0 / 12%);
  cursor: pointer;
}

.research-filter__arrow span {
  width: 9px;
  height: 9px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: translateX(-2px) rotate(-45deg);
}

.research-filter__prev {
  width: 41px;
  flex-basis: 41px;
  margin: 0 22px 0 0;
  opacity: 1;
}

.research-filter__prev:disabled {
  width: 0;
  flex-basis: 0;
  margin-right: 0;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}

.research-filter__prev span {
  transform: translateX(2px) rotate(135deg);
}

.research-filter__next {
  margin-left: 22px;
}

@media (max-width: 768px) {
  .research-filter {
    width: calc(100% - var(--page-gutter));
    margin-right: 0;
    margin-left: var(--page-gutter);
    margin-top: 11px;
  }

  .research-filter__panel {
    min-height: 120px;
    padding: 12px 0 12px 12px;
    border-radius: 20px 0 0 20px;
  }

  .research-filter.is-at-end {
    width: calc(100% - (2 * var(--page-gutter)));
    margin-right: var(--page-gutter);
  }

  .research-filter.is-at-end .research-filter__panel {
    border-radius: 20px;
  }

  .research-filter__track {
    gap: 12px;
  }

  .research-filter__item {
    flex-basis: 80px;
    width: 80px;
    height: 96px;
    gap: 8px;
    padding: 12px 8px;
  }

  .research-filter__icon {
    width: 48px;
    height: 48px;
    flex-basis: 48px;
  }

  .research-filter__icon-graphic {
    width: 18px;
    height: 18px;
  }

  .research-filter__arrow {
    display: none;
  }
}