/* modules.css — Module listing page */

/* ── Toolbar ────────────────────────────────────────────────────────── */
.modules-toolbar {
  background: var(--bg-white);
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
  position: sticky;
  top: 70px;
  z-index: 100;
}

.toolbar-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.search-wrap {
  position: relative;
  flex: 0 0 300px;
}

.search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.85rem;
}

.search-input {
  width: 100%;
  padding: 10px 14px 10px 38px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--text-dark);
  background: var(--bg-page);
  outline: none;
  transition: var(--transition-fast);
}

.search-input:focus {
  border-color: var(--btn);
  background: var(--bg-white);
  box-shadow: 0 0 0 3px rgba(54,86,166,0.1);
}

.filter-tabs {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.filter-tab {
  padding: 8px 18px;
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  color: var(--text-muted);
  background: var(--bg-page);
  border: 1.5px solid var(--border);
  text-decoration: none;
  transition: var(--transition-fast);
}

.filter-tab:hover {
  border-color: var(--btn);
  color: var(--primary);
  background: var(--bg-light);
}

.filter-tab.active {
  background: var(--grad-btn);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 12px rgba(54,86,166,0.25);
}

.results-count {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 12px;
}

.clear-filters {
  color: var(--btn);
  font-weight: 600;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 5px;
  transition: var(--transition-fast);
}

.clear-filters:hover { color: var(--primary); }

/* ── Grid ────────────────────────────────────────────────────────────── */
.modules-main { background: var(--bg-page); min-height: 60vh; }

.modules-grid-page {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.module-card-link { display: block; text-decoration: none; color: inherit; }

.module-card-thumb-bg {
  width: 100%;
  height: 100%;
  background: var(--grad-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.thumb-circuit {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  padding: 16px;
  opacity: 0.3;
}

.thumb-node {
  aspect-ratio: 1;
  border-radius: 3px;
  background: rgba(165,183,230,0.5);
  animation: node-pulse 3s ease-in-out infinite;
}

.thumb-node:nth-child(odd) { animation-delay: 0.5s; }
.thumb-node:nth-child(3n)  { animation-delay: 1s; }

@keyframes node-pulse {
  0%, 100% { opacity: 0.3; }
  50%       { opacity: 0.8; }
}

.module-card-cta {
  pointer-events: none;
}

/* ── Responsive ──────────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .modules-grid-page { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .modules-grid-page { grid-template-columns: 1fr; }
  .search-wrap { flex: 1 1 100%; }
  .toolbar-inner { flex-direction: column; align-items: stretch; }
}