/**
 * Global Search & Filter Component Styles
 * Kullanım: Haberler, Duyurular, Veritabanları, SSS, Kime Sormalıyım
 *
 * @file search-filter.css
 * @version 1.0.0
 * @date 2025-11-12
 *
 * Features:
 * - Sticky search with header adaptation
 * - Responsive design
 * - Compact mode (for databases)
 * - Category filters with icons
 * - Sort and view toggle controls
 */

/* ==========================================================================
   BASE SEARCH SECTION
   ========================================================================== */

.search-filter-section {
  background: var(--bg-card, white);
  border-radius: var(--border-radius, 12px);
  box-shadow: var(--shadow-soft, 0 2px 8px rgba(0, 0, 0, 0.08));
  padding: 1.5rem;
  margin-bottom: 2rem;
  border: 1px solid var(--border-color, #e9ecef);
  transition: all 0.3s ease;
}

/* ==========================================================================
   SEARCH AND CONTROLS ROW
   ========================================================================== */

.search-and-controls {
  display: flex;
  align-items: stretch;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

/* Search Wrapper - Flexible */
.search-wrapper {
  flex: 1;
  min-width: 0; /* Allow shrinking */
}

.search-input-group {
  position: relative;
  display: flex;
  align-items: center;
  background: white;
  border: 2px solid var(--primary-color, #1f4c8a);
  border-radius: 8px;
  height: 48px;
  transition: all 0.3s ease;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.search-input-group:focus-within {
  border-color: var(--primary-dark, #16395e);
  box-shadow: 0 0 0 4px rgba(31, 76, 138, 0.15);
}

.search-icon {
  color: var(--primary-color, #1f4c8a);
  font-size: 1.1rem;
  margin-left: 14px;
  pointer-events: none;
  flex-shrink: 0;
}

.search-input {
  flex: 1;
  border: none !important;
  outline: none !important;
  box-shadow: none !important;
  padding: 0 12px;
  font-size: var(--fs-7);
  background: transparent;
  color: var(--text-color, #333);
  height: 100%;
}

.search-input::placeholder {
  color: var(--text-muted, #6c757d);
}

/* Clear Search Button */
.clear-search-btn {
  display: none;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: var(--text-muted, #6c757d);
  cursor: pointer;
  padding: 0 12px;
  transition: color 0.2s;
  height: 100%;
}

.clear-search-btn:hover {
  color: var(--danger-color, #dc3545);
}

.clear-search-btn i {
  font-size: 1rem;
}

/* Control Buttons (Sort, View Toggle) */
.control-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 16px;
  background: var(--primary-color, #1f4c8a);
  color: white;
  border: none;
  border-radius: 8px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap;
  height: 48px;
}

.control-btn:hover {
  background: var(--primary-dark, #16395e);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(31, 76, 138, 0.3);
}

.control-btn i {
  font-size: 1.1rem;
}

.control-btn .sort-text {
  font-size: var(--fs-5);
}

/* View Toggle Group */
.view-toggle-group {
  display: flex;
  gap: 0;
  background: var(--bg-secondary, #f8f9fa);
  border-radius: 8px;
  padding: 4px;
  border: 1px solid var(--border-color, #e9ecef);
}

.view-toggle-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 14px;
  background: transparent;
  border: none;
  color: var(--text-muted, #6c757d);
  cursor: pointer;
  transition: all 0.3s ease;
  border-radius: 6px;
  height: 40px;
  min-width: 40px;
}

.view-toggle-btn:hover {
  background: white;
  color: var(--primary-color, #1f4c8a);
}

.view-toggle-btn.active {
  background: var(--primary-color, #1f4c8a);
  color: white;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.view-toggle-btn i {
  font-size: 1.1rem;
}

/* ==========================================================================
   CATEGORY FILTERS ROW
   ========================================================================== */

.category-filters {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  justify-content: flex-start;
}

.category-btn,
.filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0.7rem 1.25rem;
  border: 2px solid var(--primary-color, #1f4c8a);
  background: transparent;
  color: var(--primary-color, #1f4c8a);
  border-radius: 25px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: var(--fs-6-koru);
  white-space: nowrap;
}

.category-btn:hover,
.category-btn.active,
.filter-btn:hover,
.filter-btn.active {
  background: var(--primary-color, #1f4c8a);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(31, 76, 138, 0.25);
}

.category-btn i,
.filter-btn i {
  font-size: 1rem;
}

/* Count Badge (for databases) */
.count-badge {
  margin-left: 4px;
  padding: 2px 8px;
  background: rgba(255, 255, 255, 0.25);
  border-radius: 12px;
  font-size: var(--fs-4-koru);
  font-weight: 600;
}

.category-btn:hover .count-badge,
.category-btn.active .count-badge,
.filter-btn:hover .count-badge,
.filter-btn.active .count-badge {
  background: rgba(255, 255, 255, 0.3);
}

/* ==========================================================================
   STICKY MODE - HEADER ADAPTIVE
   ========================================================================== */

.search-filter-section.sticky {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: white;
  z-index: 999; /* Header: 1020, Header dropdown: 1050, Sticky: 999 (header altında) */
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
  padding: 12px 0;
  margin: 0;
  border-radius: 0;
  border: none;
  border-bottom: 1px solid var(--border-color, #e9ecef);
  animation: slideDownSticky 0.3s ease;
  transition: top 0.3s ease; /* Smooth header adaptation */
}

/* Sticky içerik container'ı */
.search-filter-section.sticky .search-and-controls,
.search-filter-section.sticky .category-filters {
  max-width: 1320px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.search-filter-section.sticky .search-and-controls {
  margin-bottom: 12px;
}

/* Sticky animasyonu */
@keyframes slideDownSticky {
  from {
    transform: translateY(-100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* Header görünüyorsa sticky aşağıda */
.search-filter-section.sticky.below-header {
  top: var(--header-height, 80px);
}

/* Header kaybolmuşsa sticky en üstte */
.search-filter-section.sticky.at-top {
  top: 0;
}

/* ==========================================================================
   COMPACT MODE (Veritabanları için)
   ========================================================================== */

.search-filter-section.compact .control-btn {
  padding: 0 12px;
}

.search-filter-section.compact .control-btn .sort-text {
  font-size: var(--fs-4);
}

.search-filter-section.compact .category-btn,
.search-filter-section.compact .filter-btn {
  padding: 0.6rem 1rem;
  font-size: var(--fs-5-koru);
}

.search-filter-section.compact .count-badge {
  padding: 1px 6px;
  font-size: var(--fs-3-koru);
}

/* ==========================================================================
   DARK MODE
   ========================================================================== */

[data-theme="dark"] .search-filter-section {
  background: var(--bg-primary-dark, #1a1a1a);
  border-color: var(--border-color-dark, #333);
}

[data-theme="dark"] .search-input-group {
  background: var(--bg-secondary-dark, #2a2a2a);
  border-color: var(--primary-color, #1f4c8a);
}

[data-theme="dark"] .search-input {
  color: var(--text-color-dark, #e0e0e0);
}

[data-theme="dark"] .view-toggle-group {
  background: var(--bg-secondary-dark, #2a2a2a);
  border-color: var(--border-color-dark, #333);
}

[data-theme="dark"] .view-toggle-btn:hover {
  background: var(--bg-primary-dark, #1a1a1a);
}

[data-theme="dark"] .search-filter-section.sticky {
  background: var(--bg-primary-dark, #1a1a1a);
  border-bottom-color: var(--border-color-dark, #333);
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */

/* Tablet (< 1024px) */
@media (max-width: 1024px) {
  .search-filter-section.sticky .search-and-controls,
  .search-filter-section.sticky .category-filters {
    padding-left: 20px;
    padding-right: 20px;
  }
}

/* Mobile (< 768px) */
@media (max-width: 768px) {
  .search-filter-section {
    padding: 1rem;
  }

  .search-and-controls {
    flex-direction: column;
    gap: 0.75rem;
  }

  .search-wrapper {
    width: 100%;
  }

  /* Controls row */
  .controls-row {
    display: flex;
    gap: 0.5rem;
    width: 100%;
  }

  .control-btn {
    flex: 1;
    justify-content: center;
    padding: 0 12px;
  }

  .control-btn .sort-text {
    display: none; /* Sadece ikon göster */
  }

  .view-toggle-group {
    flex-shrink: 0;
  }

  /* Category filters - HIDE on mobile (use modal instead) */
  .category-filters {
    display: none !important;
  }

  .category-btn,
  .filter-btn {
    padding: 0.6rem 1rem;
    font-size: var(--fs-5-koru);
  }

  /* Sticky mode mobil */
  .search-filter-section.sticky {
    padding: 8px 0;
  }

  .search-filter-section.sticky .search-and-controls,
  .search-filter-section.sticky .category-filters {
    padding-left: 16px;
    padding-right: 16px;
  }

  .search-filter-section.sticky .search-and-controls {
    margin-bottom: 8px;
  }
}

/* Small Mobile (< 480px) */
@media (max-width: 480px) {
  .search-input-group {
    height: 44px;
  }

  .control-btn,
  .view-toggle-btn {
    height: 44px;
  }

  .category-btn,
  .filter-btn {
    padding: 0.5rem 0.85rem;
    font-size: var(--fs-4-koru);
  }

  .category-btn i,
  .filter-btn i {
    font-size: 0.9rem;
  }
}

/* ==========================================================================
   NO RESULTS MESSAGE
   ========================================================================== */

.no-results {
  display: none;
  text-align: center;
  padding: 4rem 2rem;
  color: var(--text-muted, #6c757d);
}

.no-results.show {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.no-results i {
  font-size: 4rem;
  margin-bottom: 1.5rem;
  color: var(--text-muted, #6c757d);
  opacity: 0.4;
}

.no-results-content h4 {
  font-size: var(--fs-10);
  font-weight: 600;
  color: var(--text-color, #333);
  margin-bottom: 0.75rem;
}

.no-results-content p {
  font-size: var(--fs-7);
  color: var(--text-muted, #6c757d);
  margin: 0;
}

/* ==========================================================================
   UTILITY CLASSES
   ========================================================================== */

.d-none {
  display: none !important;
}

.d-flex {
  display: flex !important;
}

/* Spacer for sticky placeholder */
.sticky-placeholder {
  display: none;
  height: 0;
  transition: height 0.3s ease;
}

.sticky-placeholder.active {
  display: block;
}