/* Header Layout and Design */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 1000;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background var(--transition-normal), border-bottom var(--transition-normal), box-shadow var(--transition-normal);
}

.site-header.header-scrolled {
  background: var(--glass-bg);
  border-bottom: 1px solid var(--glass-border);
  backdrop-filter: blur(var(--glass-blur));
  box-shadow: var(--shadow-sm);
}

.header-container {
  max-width: var(--max-width);
  height: 100%;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.header-logo-section {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--text-primary);
  text-decoration: none;
}

.logo-icon {
  width: 36px;
  height: 36px;
  fill: var(--primary);
  filter: drop-shadow(0 2px 8px rgba(15, 98, 254, 0.3));
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-link {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color var(--transition-fast);
  cursor: pointer;
}

.nav-link:hover, .nav-link.active {
  color: var(--primary);
}

/* Header Search Box */
.header-search {
  position: relative;
  width: 280px;
}

.header-search input {
  width: 100%;
  padding: 10px 16px 10px 40px;
  font-size: 0.88rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.header-search input:focus {
  outline: none;
  background: var(--bg-secondary);
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.header-search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  fill: var(--text-tertiary);
  pointer-events: none;
}

/* Dropdown Menu Categories */
.category-dropdown {
  position: relative;
}

.dropdown-trigger {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Premium Dropdown Menu */
.more-dropdown-wrap {
  position: relative;
}

#header-more-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: -50px;
  width: 320px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(20px);
  border-radius: 20px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
  padding: 12px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  gap: 4px;
  z-index: 1100;
}

.category-dropdown:hover #header-more-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 14px;
  text-decoration: none;
  border-radius: 12px;
  transition: all var(--transition-fast);
  color: var(--text-secondary);
}

.dropdown-item-icon {
  width: 20px;
  height: 20px;
  fill: var(--text-tertiary);
  transition: fill var(--transition-fast), transform var(--transition-fast);
}

.dropdown-item-content {
  display: flex;
  flex-direction: column;
}

.dropdown-item-title {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
  transition: color var(--transition-fast);
}

.dropdown-item-meta {
  font-size: 0.72rem;
  color: var(--text-tertiary);
}

.dropdown-item:hover {
  background: var(--primary-light);
  transform: translateX(4px);
}

.dropdown-item:hover .dropdown-item-title {
  color: var(--primary);
}

.dropdown-item:hover .dropdown-item-icon {
  fill: var(--primary);
  transform: scale(1.1);
}

/* Tablet hidden items that appear in the dropdown on resize */
.more-item-conversion, .more-item-compression, .more-item-resize,
.more-item-crop, .more-item-filters, .more-item-utilities {
  display: none;
}

/* Theme & Circular Search Buttons */
.theme-toggle-btn {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.theme-toggle-btn:hover {
  background: var(--primary-light);
  border-color: var(--primary);
  color: var(--primary);
  transform: scale(1.05);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.theme-toggle-btn svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

/* Mobile Hamburger Menu */
.hamburger-btn {
  display: none;
  background: transparent;
  border: none;
  width: 32px;
  height: 32px;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  cursor: pointer;
}

.hamburger-line {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

/* Mobile Navigation Drawer */
.mobile-drawer {
  position: fixed;
  top: var(--header-height);
  left: 0;
  width: 100%;
  height: calc(100vh - var(--header-height));
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 24px;
  transform: translateX(100%);
  transition: transform var(--transition-normal);
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 24px;
  overflow-y: auto;
}

.mobile-drawer.open {
  transform: translateX(0);
}

/* Premium Search Modal Backdrop */
.search-modal-backdrop {
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(12px);
  z-index: 3000;
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding-top: 10vh;
  animation: modalFadeIn var(--transition-normal) ease;
}

@keyframes modalFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* Modal Box Container */
.search-modal-container {
  width: 95%;
  max-width: 680px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.1);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  animation: modalContainerSlide var(--transition-normal) cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes modalContainerSlide {
  from { transform: translateY(-30px) scale(0.95); opacity: 0; }
  to { transform: translateY(0) scale(1); opacity: 1; }
}

/* Modal Search Input Header */
.search-modal-header {
  display: flex;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  position: relative;
  background: var(--bg-primary);
}

.search-modal-input-icon {
  width: 20px;
  height: 20px;
  fill: var(--text-secondary);
  margin-right: 14px;
}

#modal-search-input {
  flex-grow: 1;
  background: transparent;
  border: none;
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text-primary);
  outline: none;
}

#modal-search-input::placeholder {
  color: var(--text-tertiary);
}

.search-modal-close-btn {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.75rem;
  padding: 4px 8px;
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-weight: 600;
}

.search-modal-close-btn:hover {
  background: var(--border-color);
  color: var(--text-primary);
}

/* Modal Body area */
.search-modal-body {
  padding: 24px;
  max-height: 60vh;
  overflow-y: auto;
}

.modal-search-section {
  margin-bottom: 24px;
}

.modal-search-section h4 {
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--text-tertiary);
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}

/* Popular Tools badges */
.popular-tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px;
}

.popular-tool-badge {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.92rem;
  transition: all var(--transition-fast);
}

.popular-tool-badge svg {
  width: 20px;
  height: 20px;
  fill: var(--primary);
}

.popular-tool-badge:hover {
  border-color: var(--primary);
  background: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(15, 98, 254, 0.15);
}

/* Recent searches list */
.recent-searches-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.recent-search-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  cursor: pointer;
}

.recent-search-item:hover {
  background: var(--border-color);
}

/* Category Badges grid */
.category-badges-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.cat-badge {
  padding: 6px 12px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.cat-badge:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-light);
}

/* Search results item listing styling */
.search-results-container {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.search-result-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  gap: 16px;
  transition: all var(--transition-fast);
}

.search-result-item:hover {
  border-color: var(--primary);
  background: var(--bg-secondary);
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.search-result-info {
  display: flex;
  align-items: center;
  gap: 16px;
  overflow: hidden;
}

.search-result-icon-wrapper {
  width: 40px;
  height: 40px;
  background: var(--primary-light);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.search-result-icon-wrapper svg {
  width: 22px;
  height: 22px;
  fill: var(--primary);
}

.search-result-text {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.search-result-title {
  font-weight: 700;
  color: var(--text-primary);
  font-size: 0.95rem;
}

.search-result-cat {
  font-size: 0.75rem;
  color: var(--primary);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 2px 0;
}

.search-result-desc {
  font-size: 0.8rem;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.search-result-btn {
  padding: 8px 16px;
  font-size: 0.82rem;
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

/* Hover Underline & Active indicators */
.header-nav .nav-link {
  position: relative;
  padding: 8px 0;
}

.header-nav .nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--primary);
  transition: width var(--transition-fast) ease;
  border-radius: 2px;
}

.header-nav .nav-link:hover::after,
.header-nav .nav-link.active::after {
  width: 100%;
}

/* Expandable categories in mobile drawer */
.mobile-cat-header {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-top: 12px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 6px;
}

.mobile-cat-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-left: 8px;
}

/* Responsive adjustments and collapses */
@media (max-width: 1300px) {
  .nav-link-resize, .nav-link-crop {
    display: none !important;
  }
  .more-item-resize, .more-item-crop {
    display: flex !important;
  }
}

@media (max-width: 1160px) {
  .nav-link-filters, .nav-link-utilities {
    display: none !important;
  }
  .more-item-filters, .more-item-utilities {
    display: flex !important;
  }
}

@media (max-width: 1000px) {
  .nav-link-conversion, .nav-link-compression {
    display: none !important;
  }
  .more-item-conversion, .more-item-compression {
    display: flex !important;
  }
}

@media (max-width: 900px) {
  .header-nav {
    display: none !important;
  }
  
  .hamburger-btn {
    display: flex !important;
  }
}

/* ==========================================
   PREMIUM V10 HEADER UPGRADE (BLUE THEME)
   ========================================== */
.site-header {
  background: linear-gradient(135deg, #070d19 0%, #0f4cbe 50%, #0f62fe 100%) !important;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15) !important;
  box-shadow: 0 4px 30px rgba(15, 98, 254, 0.18) !important;
  backdrop-filter: blur(12px) !important;
  -webkit-backdrop-filter: blur(12px) !important;
}

.site-header.header-scrolled {
  background: linear-gradient(135deg, rgba(7, 13, 25, 0.96) 0%, rgba(15, 76, 190, 0.96) 50%, rgba(15, 98, 254, 0.96) 100%) !important;
  border-bottom: 1px solid rgba(255, 255, 255, 0.22) !important;
  box-shadow: 0 8px 32px rgba(15, 98, 254, 0.28) !important;
}

/* Header Text & Icon Contrast Override */
.site-header .header-logo-section {
  color: #ffffff !important;
}

.site-header .logo-icon {
  fill: #ffffff !important;
  filter: drop-shadow(0 2px 10px rgba(255, 255, 255, 0.3)) !important;
}

.site-header .nav-link {
  color: rgba(255, 255, 255, 0.85) !important;
  transition: all var(--transition-fast) !important;
  position: relative;
  padding: 6px 4px;
}

.site-header .nav-link:hover, 
.site-header .nav-link.active {
  color: #ffffff !important;
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.5) !important;
}

/* Premium Indicator Line under Active/Hover Links */
.site-header .nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: #ffffff;
  box-shadow: 0 0 8px #ffffff;
  transition: width 0.25s ease;
}

.site-header .nav-link:hover::after,
.site-header .nav-link.active::after {
  width: 100%;
}

/* Header Theme & Search Buttons Premium styling */
.site-header .theme-toggle-btn {
  background: rgba(255, 255, 255, 0.08) !important;
  border: 1px solid rgba(255, 255, 255, 0.2) !important;
  color: #ffffff !important;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1) !important;
}

.site-header .theme-toggle-btn:hover {
  background: rgba(255, 255, 255, 0.2) !important;
  border-color: #ffffff !important;
  box-shadow: 0 0 14px rgba(255, 255, 255, 0.4) !important;
  transform: scale(1.08) !important;
}

.site-header .theme-toggle-btn svg {
  fill: #ffffff !important;
}

/* Mobile Hamburger Menu */
.site-header .hamburger-line {
  background: #ffffff !important;
  box-shadow: 0 0 4px rgba(255, 255, 255, 0.5) !important;
}

/* Dropdown styling updates to match the dark blue premium theme */
.site-header #header-more-dropdown {
  background: rgba(11, 21, 40, 0.98) !important;
  border: 1px solid rgba(255, 255, 255, 0.15) !important;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4) !important;
  backdrop-filter: blur(25px) !important;
}

.site-header .dropdown-item {
  color: rgba(255, 255, 255, 0.8) !important;
}

.site-header .dropdown-item-title {
  color: #ffffff !important;
}

.site-header .dropdown-item-icon {
  fill: rgba(255, 255, 255, 0.6) !important;
}

.site-header .dropdown-item-meta {
  color: rgba(255, 255, 255, 0.45) !important;
}

.site-header .dropdown-item:hover {
  background: rgba(15, 98, 254, 0.3) !important;
}

.site-header .dropdown-item:hover .dropdown-item-title {
  color: #ffffff !important;
}

.site-header .dropdown-item:hover .dropdown-item-icon {
  fill: #ffffff !important;
}