/**
 * Faculty Explore — search, lanes, highlights for Memoria / Imaginatio / Ratio
 */

.explore {
  --explore-accent: var(--cipher-accent);
  margin: 0 0 1.75rem;
}

.faculty-imaginatio .explore {
  --explore-accent: var(--imaginatio-accent);
}

.faculty-memoria .explore {
  --explore-accent: var(--memoria-accent);
}

.faculty-ratio .explore {
  --explore-accent: var(--ratio-accent);
}

.explore__shell {
  display: grid;
  gap: 1rem;
  padding: 1.15rem 1.2rem 1.25rem;
  border: 1px solid var(--color-panel-outline);
  border-radius: 0.35rem;
  background:
    linear-gradient(
      160deg,
      color-mix(in srgb, var(--explore-accent) 10%, var(--color-surface)) 0%,
      var(--color-surface) 48%
    );
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--color-text) 2%, transparent);
}

.explore__top {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1rem;
  align-items: flex-end;
  justify-content: space-between;
}

.explore__heading {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.explore__heading span {
  display: block;
  margin-top: 0.2rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.explore__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.explore__action {
  border: 1px solid var(--color-panel-outline);
  background: transparent;
  color: var(--color-text);
  font: inherit;
  font-size: 0.82rem;
  padding: 0.35rem 0.7rem;
  border-radius: 0.25rem;
  cursor: pointer;
  transition: border-color 180ms ease, color 180ms ease, background 180ms ease;
}

.explore__action:hover,
.explore__action:focus-visible {
  border-color: color-mix(in srgb, var(--explore-accent) 55%, var(--color-panel-outline));
  color: var(--explore-accent);
}

.explore__action:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

.explore__search-wrap {
  display: grid;
  gap: 0.35rem;
}

.explore__label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.explore__search {
  width: 100%;
  max-width: 36rem;
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--color-panel-outline);
  border-radius: 0.3rem;
  background: color-mix(in srgb, var(--color-bg) 55%, var(--color-surface));
  color: var(--color-text);
  font: inherit;
}

.explore__search:focus {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
  border-color: color-mix(in srgb, var(--explore-accent) 45%, var(--color-panel-outline));
}

.explore__lanes {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.explore__lane {
  border: 1px solid var(--color-panel-outline);
  background: transparent;
  color: var(--color-text);
  font: inherit;
  font-size: 0.84rem;
  padding: 0.38rem 0.8rem;
  border-radius: 0.25rem;
  cursor: pointer;
  transition: border-color 180ms ease, background 180ms ease, color 180ms ease;
}

.explore__lane.is-active {
  border-color: color-mix(in srgb, var(--explore-accent) 60%, var(--color-panel-outline));
  background: color-mix(in srgb, var(--explore-accent) 14%, transparent);
  color: var(--explore-accent);
}

.explore__lane:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

.explore__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--color-muted);
}

.explore__highlights {
  display: grid;
  gap: 0.65rem;
  grid-template-columns: repeat(auto-fill, minmax(11.5rem, 1fr));
}

.explore__hit {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  min-height: 100%;
  padding: 0.75rem 0.8rem;
  border: 1px solid var(--color-panel-outline);
  border-radius: 0.25rem;
  background: color-mix(in srgb, var(--color-bg) 40%, transparent);
  text-decoration: none;
  color: inherit;
  transition: border-color 180ms ease, transform 180ms ease, background 180ms ease;
}

.explore__hit:hover,
.explore__hit:focus-visible {
  border-color: color-mix(in srgb, var(--explore-accent) 50%, var(--color-panel-outline));
  background: color-mix(in srgb, var(--explore-accent) 8%, var(--color-surface));
  transform: translateY(-1px);
}

.explore__hit:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

.explore__hit-lane {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--explore-accent);
}

.explore__hit-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: -0.015em;
  line-height: 1.25;
}

.explore__hit-summary {
  margin: 0;
  font-size: 0.84rem;
  line-height: 1.4;
  color: color-mix(in srgb, var(--color-text) 82%, var(--color-muted));
  flex: 1;
}

.explore__hit-cta {
  margin-top: 0.25rem;
  font-size: 0.82rem;
  color: var(--color-link);
}

.explore__results {
  display: none;
  gap: 0.55rem;
}

.explore__results.is-open {
  display: grid;
}

.explore__results-title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.explore__empty {
  margin: 0;
  padding: 0.75rem 0;
  color: var(--color-muted);
  font-size: 0.92rem;
}

/* Compact playables strip (Imaginatio games first) */
.explore-strip {
  margin: 0 0 1.75rem;
  padding: 1.1rem 0 0.25rem;
  border-top: 1px solid var(--color-panel-outline);
}

.explore-strip__header {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 0.85rem;
}

.explore-strip__header h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.5vw, 1.55rem);
  letter-spacing: -0.02em;
}

.explore-strip__header a {
  font-size: 0.9rem;
}

.explore-strip__grid {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: repeat(auto-fill, minmax(14rem, 1fr));
}

.explore-strip__card {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 0.9rem 0.95rem;
  border: 1px solid var(--color-panel-outline);
  border-radius: 0.25rem;
  background: color-mix(in srgb, var(--color-surface) 92%, var(--imaginatio-accent));
}

.explore-strip__card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: -0.015em;
}

.explore-strip__card p {
  margin: 0;
  font-size: 0.88rem;
  color: color-mix(in srgb, var(--color-text) 85%, var(--color-muted));
  flex: 1;
}

.explore-strip__card .entry-label {
  margin: 0;
}

@media (min-width: 720px) {
  .explore__shell {
    position: sticky;
    top: 0.65rem;
    z-index: 8;
    backdrop-filter: blur(10px);
    background:
      linear-gradient(
        160deg,
        color-mix(in srgb, var(--explore-accent) 12%, color-mix(in srgb, var(--color-surface) 88%, transparent)) 0%,
        color-mix(in srgb, var(--color-surface) 92%, transparent) 55%
      );
  }
}

@media (prefers-reduced-motion: reduce) {
  .explore__hit {
    transition: none;
  }

  .explore__hit:hover,
  .explore__hit:focus-visible {
    transform: none;
  }
}