/* ============================================
   FILTERS & CONTROLS - Professional Grade
   ============================================ */

.filters {
  margin: var(--space-lg) 0;
  padding: var(--space-lg);
  border-radius: var(--radius-xl);
  background: rgba(30, 39, 54, 0.3);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
  position: relative;
  z-index: 10;
}

.filters-row {
  display: flex;
  gap: var(--space-md);
  align-items: center;
  flex-wrap: wrap;
}

/* Category Tabs */
.category-tabs {
  display: flex;
  gap: var(--space-sm);
  overflow-x: auto;
  padding-bottom: var(--space-sm);
  scrollbar-width: thin;
  scrollbar-color: var(--border-color) transparent;
}

.category-tabs::-webkit-scrollbar {
  height: 4px;
}

.category-tabs::-webkit-scrollbar-track {
  background: transparent;
}

.category-tabs::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: var(--radius-full);
}

.category-tabs a {
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-full);
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.category-tabs a:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--accent-primary);
  color: var(--text-primary);
}

.category-tabs a.active {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-primary-hover));
  border-color: var(--accent-primary);
  color: #0A0E17;
}

/* Search Inline */
.search-inline {
  flex: 1;
  min-width: 240px;
  position: relative;
}

.search-inline::before {
  content: '\f002';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 15px;
  pointer-events: none;
  z-index: 1;
  transition: all var(--transition-fast);
  opacity: 0.5;
}

.search-inline:focus-within::before {
  color: var(--accent-primary);
  opacity: 1;
}

.search-inline input {
  width: 100%;
  padding: 12px 18px 12px 44px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(10, 14, 23, 0.4);
  color: var(--text-primary);
  font-size: 14px;
  font-weight: 400;
  transition: all var(--transition-fast);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.search-inline input:hover {
  border-color: rgba(255, 255, 255, 0.12);
  background: rgba(10, 14, 23, 0.5);
}

.search-inline input:focus {
  outline: none;
  border-color: var(--accent-primary);
  background: rgba(10, 14, 23, 0.6);
  box-shadow: 0 0 0 3px rgba(255, 138, 0, 0.1);
}

.search-inline input::placeholder {
  color: var(--text-disabled);
  font-weight: 400;
}

/* Sort Controls */
.sort-controls {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
}

.sort-controls select {
  padding: 10px 36px 10px 14px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  background: var(--bg-elevated);
  color: var(--text-primary);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%239CA3AF' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
}

.sort-controls select:hover {
  border-color: var(--border-color-hover);
  background-color: var(--bg-card);
}

.sort-controls select:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(255, 138, 0, 0.12), 0 0 16px rgba(255, 138, 0, 0.06);
}

/* Results Count */
.results-count {
  margin-top: var(--space-md);
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 500;
}

/* Load More */
.load-more-wrap {
  text-align: center;
  margin-top: var(--space-2xl);
}

/* Responsive */
@media (max-width: 768px) {
  .filters {
    padding: var(--space-md);
  }

  .filters-row {
    flex-direction: column;
    align-items: stretch;
  }

  .search-inline {
    width: 100%;
    min-width: auto;
  }

  .search-inline::before {
    left: 14px;
    font-size: 14px;
  }

  .search-inline input {
    padding: 11px 16px 11px 40px;
    font-size: 14px;
  }

  .sort-controls {
    width: 100%;
    justify-content: space-between;
  }

  .sort-controls select {
    flex: 1;
    padding: 9px 34px 9px 13px;
    font-size: 13px;
  }

  .results-count {
    margin-top: 10px;
    font-size: 13px;
  }
}

@media (max-width: 480px) {
  .filters {
    padding: 12px;
    border-radius: var(--radius-lg);
  }

  .search-inline::before {
    left: 13px;
    font-size: 13px;
  }

  .search-inline input {
    padding: 10px 14px 10px 38px;
    font-size: 13px;
  }

  .sort-controls select {
    padding: 8px 32px 8px 12px;
    font-size: 12px;
  }

  .results-count {
    margin-top: 10px;
    font-size: 12px;
  }
}

/* ============================================
   SEARCH TIPS TOOLTIP
   ============================================ */

.search-tips-btn {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 32px;
  height: 32px;
  border: none;
  border-radius: 50%;
  background: rgba(255, 138, 0, 0.1);
  color: var(--accent-primary);
  font-size: 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  z-index: 2;
}

.search-tips-btn:hover {
  background: rgba(255, 138, 0, 0.2);
  transform: translateY(-50%) scale(1.05);
}

.search-tips-btn:active {
  transform: translateY(-50%) scale(0.95);
}

.search-tips-tooltip {
  position: absolute;
  top: calc(100% + 12px);
  right: 0;
  width: 100%;
  max-width: 380px;
  background: rgba(20, 27, 40, 0.98);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255, 138, 0, 0.2);
  border-radius: var(--radius-xl);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255, 138, 0, 0.1) inset;
  z-index: 1001;
  animation: tooltipSlideIn 0.3s ease;
  overflow: hidden;
}

@keyframes tooltipSlideIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.search-tips-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: linear-gradient(135deg, rgba(255, 138, 0, 0.08), rgba(229, 46, 113, 0.04));
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.search-tips-header h4 {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.search-tips-header h4 i {
  color: var(--accent-primary);
  font-size: 16px;
}

.search-tips-close {
  width: 28px;
  height: 28px;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
  font-size: 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.search-tips-close:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
}

.search-tips-content {
  padding: 18px;
}

.search-tips-intro {
  margin: 0 0 14px;
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 500;
}

.search-tips-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 14px;
}

.search-tip-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
  cursor: pointer;
}

.search-tip-item:hover {
  background: rgba(255, 138, 0, 0.08);
  border-color: rgba(255, 138, 0, 0.2);
  transform: translateX(4px);
}

.search-tip-item code {
  padding: 4px 10px;
  background: rgba(255, 138, 0, 0.15);
  border: 1px solid rgba(255, 138, 0, 0.3);
  border-radius: var(--radius-sm);
  color: var(--accent-primary);
  font-size: 12px;
  font-weight: 700;
  font-family: 'Courier New', monospace;
  white-space: nowrap;
  min-width: 110px;
  text-align: center;
}

.search-tip-item span {
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 500;
}

.search-tips-note {
  margin: 0;
  padding: 10px 12px;
  background: rgba(75, 123, 236, 0.08);
  border: 1px solid rgba(75, 123, 236, 0.2);
  border-radius: var(--radius-md);
  font-size: 12px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

.search-tips-note i {
  color: var(--accent-info);
  font-size: 14px;
  flex-shrink: 0;
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .search-tips-tooltip {
    max-width: 100%;
    left: 0;
    right: 0;
  }
  
  .search-tips-header {
    padding: 14px 16px;
  }
  
  .search-tips-header h4 {
    font-size: 14px;
  }
  
  .search-tips-content {
    padding: 16px;
  }
  
  .search-tip-item code {
    min-width: 100px;
    font-size: 11px;
  }
  
  .search-tip-item span {
    font-size: 12px;
  }
}

@media (max-width: 480px) {
  .search-tips-btn {
    width: 30px;
    height: 30px;
    font-size: 13px;
  }
  
  .search-tips-header {
    padding: 12px 14px;
  }
  
  .search-tips-header h4 {
    font-size: 13px;
  }
  
  .search-tips-content {
    padding: 14px;
  }
  
  .search-tip-item {
    padding: 8px 10px;
    gap: 10px;
  }
  
  .search-tip-item code {
    min-width: 90px;
    font-size: 10px;
    padding: 3px 8px;
  }
  
  .search-tip-item span {
    font-size: 11px;
  }
  
  .search-tips-note {
    padding: 8px 10px;
    font-size: 11px;
  }
}