/* workshop-explorer.css
 * Filter UI for the homepage workshop explorer.
 *
 * Design language matches the rest of the site (see workshop-button rules in
 * theme-flex/style.css):
 *   - Bold 2–3px black borders, modest 5px corner radius.
 *   - Hard offset hover shadow (-4px 4px 0 0 #000) + nudged transform.
 *   - "Space Mono" monospace for headings and chip labels.
 *   - "Lato" for body/UI text.
 *   - Brand palette: amber #Fcc600 (primary accent), red #e13126,
 *     teal #00bed5, soft page green #f1f6f1, black #000.
 */

/* ---------- accessibility helper ---------- */
.sr-only {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}

/* ---------- container ---------- */
.workshop-explorer-filters {
  --we-amber: #fcc600;
  --we-amber-soft: #fff4cc;
  --we-red: #e13126;
  --we-teal: #00bed5;
  --we-green-soft: #f1f6f1;
  --we-ink: #070f19;
  --we-border: #000000;
  --we-muted: #5c5c5c;

  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1.25rem 1.4rem;
  margin: 0 0 1.75rem;
  background: #ffffff;
  border: 3px solid var(--we-border);
  border-radius: 5px;
  font-family: Lato, sans-serif;
  color: var(--we-ink);
}

/* ---------- header / collapsible toggle ---------- */
.workshop-explorer-filters .we-header {
  display: flex;
  align-items: center;
}

.workshop-explorer-filters .we-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  width: 100%;
  padding: 0.55rem 0.85rem;
  font-family: "Space Mono", monospace;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--we-ink);
  background: var(--we-green-soft);
  border: 2px solid var(--we-border);
  border-radius: 5px;
  cursor: pointer;
  transition: box-shadow 0.12s ease, transform 0.08s ease,
              background 0.12s ease;
}

.workshop-explorer-filters .we-toggle .fa-sliders {
  font-size: 1rem;
  color: var(--we-ink);
}

.workshop-explorer-filters .we-toggle-label {
  flex: 1 1 auto;
  text-align: left;
}

.workshop-explorer-filters .we-active-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.6rem;
  height: 1.6rem;
  padding: 0 0.4rem;
  font-family: "Space Mono", monospace;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--we-ink);
  background: var(--we-amber);
  border: 2px solid var(--we-border);
  border-radius: 999px;
  font-variant-numeric: tabular-nums;
}

.workshop-explorer-filters .we-active-count[hidden] {
  display: none;
}

.workshop-explorer-filters .we-toggle-chevron {
  transition: transform 0.2s ease;
  font-size: 0.85rem;
}

.workshop-explorer-filters.is-collapsed .we-toggle-chevron {
  transform: rotate(-90deg);
}

@media (hover: hover) and (pointer: fine) {
  .workshop-explorer-filters .we-toggle:hover {
    background: var(--we-amber-soft);
    box-shadow: -3px 3px 0 0 var(--we-border);
    transform: translate(2px, -2px);
  }
}

.workshop-explorer-filters .we-toggle:focus-visible {
  outline: none;
  box-shadow: -3px 3px 0 0 var(--we-amber);
  transform: translate(2px, -2px);
}

/* hide search when collapsed too, for a tidy minimised state */
.workshop-explorer-filters.is-collapsed .we-search {
  display: none;
}

/* ---------- search input ---------- */
.workshop-explorer-filters .we-search {
  position: relative;
}

.workshop-explorer-filters .we-search::before {
  content: "\f002"; /* fa-magnifying-glass */
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  position: absolute;
  left: 0.95rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--we-ink);
  font-size: 1rem;
  pointer-events: none;
}

/* ---------- collapsible body ---------- */
.workshop-explorer-filters .we-body {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.workshop-explorer-filters .we-body[hidden] {
  display: none;
}

.workshop-explorer-filters .we-search-input {
  width: 100%;
  padding: 0.7rem 1rem 0.7rem 2.6rem;
  font: inherit;
  font-size: 1rem;
  font-family: "Space Mono", monospace;
  color: var(--we-ink);
  background: #ffffff;
  border: 2px solid var(--we-border);
  border-radius: 5px;
  box-sizing: border-box;
  transition: box-shadow 0.12s ease, transform 0.12s ease,
              background 0.12s ease;
}

.workshop-explorer-filters .we-search-input::placeholder {
  color: var(--we-muted);
  font-family: Lato, sans-serif;
  font-style: italic;
}

.workshop-explorer-filters .we-search-input:focus {
  outline: none;
  background: #fffdf3;
  box-shadow: -4px 4px 0 0 var(--we-amber);
  transform: translate(2px, -2px);
}

/* ---------- chip groups ---------- */
.workshop-explorer-filters .we-chip-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.7rem 0.7rem;
  padding: 1rem 1.15rem;
  background: var(--we-green-soft);
  border-radius: 5px;
}

.workshop-explorer-filters .we-chip-group-label {
  flex: 0 0 auto;
  width: 10.5rem;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: "Space Mono", monospace;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--we-ink);
  white-space: nowrap;
}

.workshop-explorer-filters .we-chip-group-label .fas,
.workshop-explorer-filters .we-chip-group-label .fab {
  font-size: 1.2rem;
  color: var(--we-ink);
}

/* an accent stripe + tinted icon per dimension, drawn from brand palette */
.workshop-explorer-filters .we-chip-group[data-dimension="difficulties"] {
  border-left: 4px solid var(--we-amber);
}
.workshop-explorer-filters .we-chip-group[data-dimension="language"] {
  border-left: 4px solid var(--we-teal);
}
.workshop-explorer-filters .we-chip-group[data-dimension="topics"] {
  border-left: 4px solid var(--we-red);
}

/* ---------- chip ---------- */
.workshop-explorer-filters .we-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-family: "Space Mono", monospace;
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1.2;
  padding: 0.85rem 1.4rem;
  color: var(--we-ink);
  background: #ffffff;
  border: 2px solid var(--we-border);
  border-radius: 8px;
  cursor: pointer;
  user-select: none;
  transform-origin: center;
  transition: box-shadow 0.15s ease, transform 0.15s ease,
              background 0.12s ease, color 0.12s ease,
              border-color 0.12s ease;
}

.workshop-explorer-filters .we-chip .fas,
.workshop-explorer-filters .we-chip .fab {
  font-size: 1.25rem;
  color: var(--we-ink);
}

@media (hover: hover) and (pointer: fine) {
  .workshop-explorer-filters .we-chip:hover {
    background: var(--we-amber-soft);
    box-shadow: -5px 5px 0 0 var(--we-border);
    transform: translate(2px, -2px) scale(1.25);
    z-index: 2;
  }
}

.workshop-explorer-filters .we-chip:active {
  box-shadow: none;
  transform: none;
}

.workshop-explorer-filters .we-chip:focus-visible {
  outline: none;
  box-shadow: -5px 5px 0 0 var(--we-amber);
  transform: translate(2px, -2px) scale(1.25);
  border-color: var(--we-border);
  z-index: 2;
}

@media (prefers-reduced-motion: reduce) {
  .workshop-explorer-filters .we-chip,
  .workshop-explorer-filters .we-chip:hover,
  .workshop-explorer-filters .we-chip:focus-visible {
    transition: none;
    transform: none;
  }
}

.workshop-explorer-filters .we-chip.is-active,
.workshop-explorer-filters .we-chip[aria-pressed="true"] {
  background: var(--we-amber);
  color: var(--we-ink);
  box-shadow: -3px 3px 0 0 var(--we-border);
  transform: translate(1px, -1px);
}

.workshop-explorer-filters .we-chip.is-active .fas,
.workshop-explorer-filters .we-chip.is-active .fab,
.workshop-explorer-filters .we-chip[aria-pressed="true"] .fas,
.workshop-explorer-filters .we-chip[aria-pressed="true"] .fab {
  color: var(--we-ink);
}

@media (hover: hover) and (pointer: fine) {
  .workshop-explorer-filters .we-chip.is-active:hover,
  .workshop-explorer-filters .we-chip[aria-pressed="true"]:hover {
    background: var(--we-amber);
    box-shadow: -4px 4px 0 0 var(--we-border);
    transform: translate(2px, -2px);
  }
}

/* per-dimension active accent — keeps it bold but distinguishable */
.workshop-explorer-filters
  .we-chip-group[data-dimension="language"] .we-chip.is-active,
.workshop-explorer-filters
  .we-chip-group[data-dimension="language"] .we-chip[aria-pressed="true"] {
  background: var(--we-teal);
  color: var(--we-ink);
}
.workshop-explorer-filters
  .we-chip-group[data-dimension="topics"] .we-chip.is-active,
.workshop-explorer-filters
  .we-chip-group[data-dimension="topics"] .we-chip[aria-pressed="true"] {
  background: var(--we-red);
  color: #ffffff;
}
.workshop-explorer-filters
  .we-chip-group[data-dimension="topics"] .we-chip.is-active .fas,
.workshop-explorer-filters
  .we-chip-group[data-dimension="topics"] .we-chip[aria-pressed="true"] .fas {
  color: #ffffff;
}

/* per-value override for difficulty so the three levels read distinctly */
.workshop-explorer-filters
  .we-chip-group[data-dimension="difficulties"] .we-chip[data-value="advanced"].is-active,
.workshop-explorer-filters
  .we-chip-group[data-dimension="difficulties"] .we-chip[data-value="advanced"][aria-pressed="true"] {
  background: var(--we-red);
  color: #ffffff;
}
.workshop-explorer-filters
  .we-chip-group[data-dimension="difficulties"] .we-chip[data-value="advanced"].is-active .fas,
.workshop-explorer-filters
  .we-chip-group[data-dimension="difficulties"] .we-chip[data-value="advanced"][aria-pressed="true"] .fas {
  color: #ffffff;
}

/* ---------- bottom controls row ---------- */
.workshop-explorer-filters .we-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.7rem 1rem;
  padding-top: 1rem;
  margin-top: 0.1rem;
  border-top: 2px dashed var(--we-border);
}

.workshop-explorer-filters .we-group-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: "Space Mono", monospace;
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--we-ink);
  margin: 0;
}

.workshop-explorer-filters .we-group-label .fas {
  color: var(--we-amber);
  text-shadow:
    -1px 0 0 var(--we-ink), 1px 0 0 var(--we-ink),
    0 -1px 0 var(--we-ink), 0 1px 0 var(--we-ink);
}

.workshop-explorer-filters .we-group-select {
  appearance: none;
  -webkit-appearance: none;
  padding: 0.45rem 2.1rem 0.45rem 0.8rem;
  border: 2px solid var(--we-border);
  border-radius: 5px;
  background: #ffffff
    no-repeat right 0.7rem center / 12px
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><polyline points='6 9 12 15 18 9'/></svg>");
  font-family: "Space Mono", monospace;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--we-ink);
  cursor: pointer;
  transition: box-shadow 0.12s ease, transform 0.08s ease;
}

@media (hover: hover) and (pointer: fine) {
  .workshop-explorer-filters .we-group-select:hover {
    box-shadow: -3px 3px 0 0 var(--we-border);
    transform: translate(2px, -2px);
  }
}

.workshop-explorer-filters .we-group-select:focus {
  outline: none;
  box-shadow: -3px 3px 0 0 var(--we-amber);
  transform: translate(2px, -2px);
}

.workshop-explorer-filters .we-clear {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: "Space Mono", monospace;
  font-size: 0.82rem;
  font-weight: 700;
  padding: 0.45rem 0.9rem;
  border: 2px solid var(--we-border);
  border-radius: 5px;
  background: #ffffff;
  color: var(--we-ink);
  cursor: pointer;
  transition: box-shadow 0.12s ease, transform 0.08s ease,
              background 0.12s ease, color 0.12s ease;
}

@media (hover: hover) and (pointer: fine) {
  .workshop-explorer-filters .we-clear:hover {
    background: var(--we-red);
    color: #ffffff;
    box-shadow: -3px 3px 0 0 var(--we-border);
    transform: translate(2px, -2px);
  }
  .workshop-explorer-filters .we-clear:hover .fas {
    color: #ffffff;
  }
}

.workshop-explorer-filters .we-clear:focus-visible {
  outline: none;
  box-shadow: -3px 3px 0 0 var(--we-amber);
  transform: translate(2px, -2px);
}

.workshop-explorer-filters .we-result-count {
  margin-left: auto;
  font-family: "Space Mono", monospace;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--we-ink);
  font-variant-numeric: tabular-nums;
  padding: 0.3rem 0.6rem;
  background: var(--we-amber);
  border: 2px solid var(--we-border);
  border-radius: 5px;
}

/* ---------- empty state ---------- */
.workshop-explorer-empty {
  padding: 2rem 1rem;
  text-align: center;
  font-family: "Space Mono", monospace;
  color: var(--we-ink);
  border: 2px dashed var(--we-border);
  border-radius: 5px;
  background: var(--we-green-soft);
  margin-top: 1rem;
}

/* ---------- group-by sections ---------- */
.workshop-explorer-groups {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.workshop-explorer-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.workshop-explorer-group-title {
  font-family: "Space Mono", monospace;
  font-size: 1.2rem;
  font-weight: 700;
  margin: 0.5rem 0 0.25rem 0.5rem;
  padding: 0;
  color: var(--we-ink);
  display: inline-flex;
  align-self: flex-start;
}

.workshop-explorer-group-title::after {
  content: "";
  display: block;
  width: 64px;
  height: 8px;
  background: var(--we-amber);
  margin-top: 6px;
}

/* ---------- responsive ---------- */
@media (max-width: 720px) {
  .workshop-explorer-filters {
    padding: 1rem;
  }
  .workshop-explorer-filters .we-chip-group-label,
  .workshop-explorer-filters .we-group-label {
    width: 100%;
    margin-bottom: 0.15rem;
  }
  .workshop-explorer-filters .we-result-count {
    margin-left: 0;
  }
}