/* =============================================
   SkillMarket — Catalog Page Styles
   ============================================= */

.catalog-layout {
  display: flex;
  gap: var(--space-8);
  align-items: flex-start;
  padding: var(--space-8) 0;
}

/* === FILTERS PANEL === */
.filters-panel {
  width: 280px;
  flex-shrink: 0;
  position: sticky;
  top: calc(var(--navbar-height) + 20px);
}

.filters-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: var(--space-5);
  max-height: calc(100vh - var(--navbar-height, 64px) - 48px);
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--color-border) transparent;
}

.filters-title {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-secondary);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  margin-bottom: var(--space-5);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.filters-clear {
  font-size: var(--text-xs);
  color: var(--color-primary);
  font-weight: 600;
  text-transform: none;
  letter-spacing: 0;
  cursor: pointer;
}

.filter-section {
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--color-border-light);
}

.filter-section:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.filter-label {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--space-3);
}

.category-tree {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.category-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 7px 10px;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: var(--text-sm);
  color: var(--color-text-2);
  transition: all var(--transition-fast);
  user-select: none;
}

.category-item:hover {
  background: var(--color-surface-3);
}

.category-item.active {
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-weight: 600;
}

.category-item .cat-icon { font-size: 16px; }

.price-range {
  display: flex;
  gap: var(--space-3);
  align-items: center;
}

.price-range .form-input {
  text-align: center;
}

.range-sep {
  color: var(--color-text-muted);
  flex-shrink: 0;
  font-size: var(--text-sm);
}

.filter-range-slider {
  -webkit-appearance: none;
  width: 100%;
  height: 4px;
  border-radius: var(--radius-full);
  background: var(--color-border);
  outline: none;
  margin: var(--space-3) 0;
}

.filter-range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--color-primary);
  cursor: pointer;
  border: 2px solid white;
  box-shadow: var(--shadow-sm);
}

/* === CATALOG MAIN === */
.catalog-main {
  flex: 1;
  min-width: 0;
}

.catalog-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
}

.catalog-count {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.catalog-count strong {
  color: var(--color-text);
}

.sort-select {
  padding: 8px 36px 8px 14px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-2);
  background: var(--color-surface);
  cursor: pointer;
  transition: border-color var(--transition-fast);
  outline: none;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2.5'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
}

.sort-select:hover { border-color: var(--color-primary-mid); }
.sort-select:focus { border-color: var(--color-primary); }

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-5);
}

.load-more-wrap {
  display: flex;
  justify-content: center;
  padding: var(--space-10) 0;
}

/* === SEARCH BAR === */
.search-bar {
  position: relative;
  max-width: 560px;
  width: 100%;
}

.search-bar input {
  width: 100%;
  padding: 12px 20px 12px 48px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--text-base);
  background: var(--color-surface);
  transition: all var(--transition);
  outline: none;
}

.search-bar input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(91,79,232,.1);
}

.search-bar .search-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  line-height: 1;
}

.search-bar .search-clear {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.search-bar .search-clear:hover {
  background: var(--color-surface-3);
  color: var(--color-text);
}

/* === ACTIVE FILTERS === */
.active-filters {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-bottom: var(--space-4);
}

.filter-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 5px 12px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-tag:hover {
  background: var(--color-primary-mid);
}

/* === TOOLTIP === */
.tooltip-wrap {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.tooltip-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--color-border);
  color: var(--color-text-muted);
  font-size: 10px;
  font-weight: 700;
  cursor: help;
  flex-shrink: 0;
  transition: background var(--transition-fast);
}

.tooltip-icon:hover {
  background: var(--color-primary-mid);
  color: var(--color-primary);
}

.tooltip-icon::before {
  content: attr(data-tip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-secondary);
  color: white;
  font-size: var(--text-xs);
  font-weight: 400;
  padding: 6px 10px;
  border-radius: var(--radius-md);
  white-space: normal;
  width: 220px;
  line-height: 1.5;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition-fast);
  z-index: 999;
  text-align: left;
  letter-spacing: 0;
  text-transform: none;
}

.tooltip-icon::after {
  content: '';
  position: absolute;
  bottom: calc(100% + 2px);
  left: 50%;
  transform: translateX(-50%);
  border: 5px solid transparent;
  border-top-color: var(--color-secondary);
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition-fast);
  z-index: 999;
}

.tooltip-icon:hover::before,
.tooltip-icon:hover::after {
  opacity: 1;
}

/* Responsive */
@media (max-width: 1024px) {
  .filters-panel { width: 240px; }
}

@media (max-width: 768px) {
  .catalog-layout { flex-direction: column; }
  .filters-panel { width: 100%; position: static; }
  .skills-grid { grid-template-columns: 1fr; }
}