.projects-intro h1 {
  font-size: var(--text-display-s);
}

.project-filter {
  position: relative;
  display: grid;
  gap: var(--space-lg);
  padding-block: var(--space-sm);
  transition: gap var(--dur-long) var(--ease-in-out);
}

.project-filter:has(.project-filter__disclosure:not([open])) {
  gap: 0;
}

.project-filter:has(.project-filter__disclosure:not([open]))
  .project-filter__footer
  > p {
  display: none;
}

.project-filter:has(.project-filter__disclosure:not([open])):not(
    :has(input[name="tech"]:checked)
  )
  .project-filter__footer {
  min-block-size: 0;
}

.project-filter__fieldset {
  min-inline-size: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.project-filter__fieldset legend {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  clip-path: inset(50%);
  overflow: hidden;
  white-space: nowrap;
}

.project-filter__disclosure > summary {
  display: flex;
  min-block-size: 2.75rem;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  cursor: pointer;
  font-size: var(--text-md);
  font-weight: 800;
  list-style: none;
}

.project-filter__disclosure::details-content {
  content-visibility: visible;
}

.project-filter__disclosure > .project-filter__content {
  display: grid;
  grid-template-rows: 0fr;
  opacity: 0;
  visibility: hidden;
  transition:
    grid-template-rows var(--dur-long) var(--ease-in-out),
    opacity var(--dur-short) var(--ease-out),
    visibility 0s linear var(--dur-long);
}

.project-filter__disclosure[open] > .project-filter__content {
  grid-template-rows: 1fr;
  opacity: 1;
  visibility: visible;
  transition-delay: 0s;
}

.project-filter__content-inner {
  min-block-size: 0;
  overflow: clip;
}

.project-filter__content-inner > .project-filter__fieldset {
  padding-block: var(--space-lg) var(--space-2xs);
}

.project-filter__disclosure > summary::-webkit-details-marker {
  display: none;
}

.project-filter__disclosure > summary::after {
  inline-size: 1rem;
  block-size: 1rem;
  flex: none;
  background: var(--color-accent);
  content: "";
  transition: transform var(--dur-long) var(--ease-in-out);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='m3 6 5 5 5-5-1.4-1.4L8 8.2 4.4 4.6 3 6Z'/%3E%3C/svg%3E") center / contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='m3 6 5 5 5-5-1.4-1.4L8 8.2 4.4 4.6 3 6Z'/%3E%3C/svg%3E") center / contain no-repeat;
}

.project-filter__disclosure[open] > summary::after {
  transform: rotate(180deg);
}

.project-filter__disclosure > summary:focus-visible {
  outline: var(--rule-strong) solid var(--color-focus);
  outline-offset: var(--space-2xs);
}

.project-filter__options {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2xs);
}

.project-filter__option {
  position: relative;
  cursor: pointer;
}

.project-filter__option input {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  clip-path: inset(50%);
  overflow: hidden;
  white-space: nowrap;
}

.project-filter__option span {
  display: inline-flex;
  min-block-size: 2.5rem;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-2xs) var(--space-xs);
  border: var(--rule-hairline) solid var(--color-rule);
  outline: var(--rule-strong) solid transparent;
  outline-offset: var(--rule-hairline);
  background: var(--color-paper);
  color: var(--color-muted);
  font-size: var(--text-sm);
  font-weight: 700;
  line-height: 1.35;
  transition: background-color var(--dur-short) var(--ease-out), border-color var(--dur-short) var(--ease-out), color var(--dur-short) var(--ease-out);
}

.project-filter__option span::before {
  inline-size: var(--space-sm);
  block-size: var(--space-sm);
  flex: none;
  border: var(--rule-hairline) solid currentColor;
  content: "";
}

.project-filter__option input:checked + span {
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: var(--color-accent-ink);
}

.project-filter__option input:checked + span::before {
  border-color: var(--color-accent-ink);
  background: var(--color-accent-ink);
  box-shadow: inset 0 0 0 var(--space-3xs) var(--color-accent);
}

.project-filter__option input:focus-visible + span,
.project-filter button:focus-visible {
  outline-color: var(--color-focus);
}

.project-filter__option input:disabled + span,
.project-filter button:disabled {
  background: var(--color-paper-3);
  color: var(--color-muted);
  cursor: not-allowed;
  opacity: 0.55;
}

.project-filter__option input:active + span {
  transform: translateY(var(--rule-hairline));
}

.project-filter__footer {
  display: flex;
  min-block-size: 2.75rem;
  flex-wrap: wrap;
  gap: var(--space-md) var(--space-xl);
  align-items: center;
  justify-content: space-between;
}

.project-filter__footer > p {
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.project-filter__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-md);
  align-items: center;
}

.project-filter button {
  min-block-size: 2.75rem;
  border: var(--rule-hairline) solid var(--color-ink);
  border-radius: var(--radius-control);
  outline: var(--rule-strong) solid transparent;
  outline-offset: var(--rule-hairline);
  background: var(--color-paper);
  padding-inline: var(--space-lg);
  cursor: pointer;
  font-weight: 700;
  transition: background-color var(--dur-short) var(--ease-out), color var(--dur-short) var(--ease-out), transform var(--dur-micro) var(--ease-out);
  white-space: nowrap;
}

.project-filter__clear {
  display: none;
}

.project-filter:has(input[name="tech"]:checked) .project-filter__clear {
  display: inline-flex;
  min-block-size: 2.75rem;
  align-items: center;
  color: var(--color-accent);
  font-size: var(--text-sm);
  font-weight: 700;
  white-space: nowrap;
}

.filter-status {
  position: absolute;
  inset-block-start: calc(var(--space-xl) + 0.15em);
  inset-inline-end: calc(1rem + var(--space-lg));
  padding-inline-start: var(--space-sm);
  background: var(--color-paper);
  color: var(--color-muted);
  font-size: var(--text-sm);
  line-height: 1.6;
  pointer-events: none;
}

.htmx-indicator {
  opacity: 0;
  visibility: hidden;
  transition:
    opacity var(--dur-short) var(--ease-out) 500ms,
    visibility 0s linear calc(500ms + var(--dur-short));
}

.htmx-request .htmx-indicator,
.htmx-request.htmx-indicator {
  opacity: 1;
  visibility: visible;
  transition:
    opacity var(--dur-short) var(--ease-out) 200ms,
    visibility 0s linear 200ms;
}

.project-results {
  padding-block: var(--space-2xl) var(--space-4xl);
}

.project-results__header p {
  color: var(--color-muted);
  font-variant-numeric: tabular-nums;
}

.project-empty {
  display: grid;
  gap: var(--space-md);
  padding-block: var(--space-2xl);
  border-block-end: var(--rule-hairline) solid var(--color-rule);
}