/* ============================================================================
   ACADEMY — Explore Page (Premium v1)
   Clean search bar, results, and themed link lists.
   ============================================================================ */

:root { /* convenience alias */ }
.container-explore { max-width: var(--container-max); margin-inline: auto; }

/* Align with global layout even if not using a .container wrapper */
h1, .explore-search, .explore-results, .explore-themes, .explore-categories {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: clamp(var(--space-4), 4vw, var(--space-8));
}

/* Header */
h1 {
  margin-top: clamp(var(--space-7), 6vw, var(--space-10));
  margin-bottom: var(--space-2);
  color: var(--deep-moss);
  font-family: var(--font-heading);
  font-weight: var(--weight-bold);
  letter-spacing: var(--ls-heading-tight);
  font-size: clamp(var(--fs-h1), 1.6vw + 1.4rem, calc(var(--fs-h1) + 6px));
  line-height: var(--lh-h1);
}
.muted {
  margin: 0 0 clamp(var(--space-5), 4vw, var(--space-7));
  color: color-mix(in srgb, var(--bone-black) 65%, transparent);
  font-size: clamp(var(--fs-small), .4vw + .95rem, var(--fs-body));
}

/* =========================
   Search Bar
   ========================= */
.explore-search {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: var(--space-3);
  align-items: center;
  margin-bottom: clamp(var(--space-6), 4vw, var(--space-8));
}
.sr-only, .sr_hidden, .sr-only-input, .sr { /* compatibility for provided class */
  position: absolute !important;
  height: 1px; width: 1px;
  overflow: hidden; clip: rect(1px, 1px, 1px, 1px);
  white-space: nowrap; border: 0; padding: 0; margin: -1px;
}

.explore-search input[type="search"] {
  width: 100%;
  padding: var(--input-padding-y) var(--input-padding-x);
  border-radius: var(--input-radius);
  border: var(--input-border-width) solid color-mix(in srgb, var(--moon-ash) 60%, #fff);
  background: #fff;
  color: var(--bone-black);
  font-size: var(--fs-body);
  line-height: 1.4;
}
.explore-search input[type="search"]::placeholder { color: color-mix(in srgb, var(--bone-black) 45%, transparent); }
.explore-search input[type="search"]:focus {
  outline: none;
  border-color: var(--tree-gold);
  box-shadow: var(--accent-gold-ring);
}

.explore-search button[type="submit"] {
  padding: var(--btn-padding-y) var(--btn-padding-x);
  border-radius: var(--btn-radius);
  border: 1px solid color-mix(in srgb, var(--tree-gold) 35%, transparent);
  background: color-mix(in srgb, var(--tree-gold) 28%, var(--ivory-bone));
  color: var(--dark-soil);
  font-weight: var(--btn-font-weight);
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: transform var(--ease-standard), box-shadow var(--ease-standard), background var(--ease-standard);
}
.explore-search button[type="submit"]:hover { transform: translateY(-1px); background: color-mix(in srgb, var(--tree-gold) 34%, var(--ivory-bone)); box-shadow: var(--shadow-md); }

.explore-search .clear-link {
  justify-self: start;
  color: var(--tree-gold);
  font-weight: var(--weight-medium);
  text-decoration: none;
  padding: var(--btn-padding-y) 0;
}
.explore-search .clear-link:hover { text-decoration: underline; }

/* =========================
   Results
   ========================= */
.explore-results {
  margin-bottom: clamp(var(--space-6), 4vw, var(--space-8));
}
.explore-results > h2 {
  margin: 0 0 var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  background: color-mix(in srgb, var(--ivory-bone) 70%, white);
  border: 1px solid color-mix(in srgb, var(--moon-ash) 55%, transparent);
  box-shadow: var(--shadow-sm);
  color: var(--deep-moss);
  font-family: var(--font-heading);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--ls-heading-tight);
  font-size: clamp(var(--fs-h3), 0.8vw + 1rem, var(--fs-h2));
}

/* Reusable link list */
.link-list {
  list-style: none; margin: 0; padding: 0;
  border: 1px solid color-mix(in srgb, var(--moon-ash) 55%, transparent);
  border-radius: var(--radius-lg);
  background: color-mix(in srgb, var(--ivory-bone) 60%, white);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.link-list li { border-bottom: 1px solid color-mix(in srgb, var(--moon-ash) 45%, transparent); }
.link-list li:last-child { border-bottom: 0; }

.link-list a {
  display: block;
  padding: var(--space-4) var(--space-5);
  color: var(--dark-soil);
  text-decoration: none;
  font-weight: var(--weight-semibold);
}
.link-list a:hover { text-decoration: underline; }

/* =========================
   Themes & Categories sections
   ========================= */
.explore-themes, .explore-categories {
  margin-bottom: clamp(var(--space-7), 5vw, var(--space-10));
}
.explore-themes > h2, .explore-categories > h2 {
  margin: 0 0 var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  background: color-mix(in srgb, var(--ivory-bone) 70%, white);
  border: 1px solid color-mix(in srgb, var(--moon-ash) 55%, transparent);
  box-shadow: var(--shadow-sm);
  color: var(--deep-moss);
  font-family: var(--font-heading);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--ls-heading-tight);
  font-size: clamp(var(--fs-h3), 0.8vw + 1rem, var(--fs-h2));
}

/* Motion & responsive */
@media (max-width: 640px) {
  .explore-search { grid-template-columns: 1fr; }
  .explore-search .clear-link { padding: 0; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }