/* Top Navigation & App Bar Component */
.app-header {
  position: sticky;
  top: 0;
  z-index: 1500;
  background: var(--color-header-bg);
  backdrop-filter: var(--blur-base);
  -webkit-backdrop-filter: var(--blur-base);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  height: 68px;
}

/* Brand area */
.brand-group {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: inherit;
  flex-shrink: 0;
  cursor: pointer;
}

.brand-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #22c55e 0%, #15803d 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(34, 197, 94, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.brand-text-wrap {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: 1.063rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
  line-height: 1.2;
}

.brand-subtitle {
  font-size: 0.688rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* Search bar wrapper */
.search-container {
  flex: 1;
  max-width: 600px;
  position: relative;
}

.search-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
}

.search-icon {
  position: absolute;
  left: 14px;
  width: 18px;
  height: 18px;
  color: var(--color-text-muted);
  pointer-events: none;
  transition: color var(--transition-fast);
}

.search-input {
  width: 100%;
  height: 42px;
  padding: 0 42px 0 42px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-family: var(--font-base);
  font-size: 0.875rem;
  font-weight: 400;
  outline: none;
  transition: all var(--transition-fast);
}

.search-input::placeholder {
  color: var(--color-text-muted);
}

.search-input::-webkit-search-cancel-button,
.search-input::-webkit-search-decoration,
.search-input::-webkit-search-results-button,
.search-input::-webkit-search-results-decoration {
  -webkit-appearance: none;
  appearance: none;
  display: none;
}

.search-input:hover {
  background: var(--color-surface-hover);
  border-color: var(--color-border-bright);
}

.search-input:focus {
  background: var(--color-surface-solid);
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-soft);
}

.search-input:focus + .search-icon {
  color: var(--color-accent);
}

.search-clear-btn {
  position: absolute;
  right: 12px;
  display: none;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: var(--radius-xs);
  background: var(--color-clear-btn-bg);
  border: none;
  color: var(--color-text-secondary);
  cursor: pointer;
  padding: 0;
  transition: all var(--transition-fast);
}

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

.search-clear-btn.visible {
  display: flex;
}

/* Quick Search Results Dropdown */
.search-quick-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  background: var(--color-dropdown-bg);
  backdrop-filter: var(--blur-base);
  -webkit-backdrop-filter: var(--blur-base);
  border: 1px solid var(--color-border-bright);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg), 0 0 0 1px var(--color-border-bright);
  max-height: 480px;
  overflow: hidden;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  animation: fadeIn 150ms ease;
}

.search-quick-dropdown[hidden] {
  display: none !important;
}

.search-quick-results {
  overflow-y: auto;
  max-height: 420px;
}

.search-quick-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  cursor: pointer;
  transition: background var(--transition-fast);
  text-decoration: none;
}

.search-quick-item:hover {
  background: var(--color-surface-hover);
}

.search-quick-item.active {
  background: rgba(34, 197, 94, 0.12);
  outline: 1px solid rgba(34, 197, 94, 0.35);
}

.search-quick-item:last-child {
  border-bottom: none;
}

.search-quick-thumb {
  width: 36px;
  height: 48px;
  object-fit: cover;
  border-radius: var(--radius-xs);
  background: #0d121c;
  flex-shrink: 0;
}

.search-quick-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
  flex: 1;
}

.search-quick-title-ua {
  font-family: var(--font-base);
  font-size: 0.813rem;
  font-weight: 600;
  color: var(--color-text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.search-quick-title-orig {
  font-family: var(--font-base);
  font-size: 0.688rem;
  color: var(--color-text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.search-quick-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.688rem;
  color: var(--color-text-secondary);
}

.search-quick-meta span {
  font-family: var(--font-numeric);
}

.search-quick-id {
  font-family: var(--font-numeric);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  flex-shrink: 0;
  padding-left: 8px;
}

.search-quick-footer {
  padding: 10px 14px;
  background: var(--color-dropdown-footer-bg);
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-base);
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.btn-search-goto-catalog {
  background: none;
  border: none;
  color: var(--color-accent);
  cursor: pointer;
  font-family: var(--font-base);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: var(--radius-xs);
  transition: all var(--transition-fast);
}

.btn-search-goto-catalog:hover {
  text-decoration: underline;
  color: var(--color-accent-hover);
}

.search-quick-empty {
  padding: 24px;
  text-align: center;
  font-family: var(--font-base);
  font-size: 0.813rem;
  color: var(--color-text-muted);
}

/* Header controls group */
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

/* Header Tools Dropdown */
.header-tools-dropdown {
  position: relative;
}

.header-tools-trigger {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 40px;
  padding: 0 14px;
  border-radius: var(--radius-sm);
  font-size: 0.813rem;
  font-weight: 500;
  cursor: pointer;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
  transition: all var(--transition-fast);
}

.header-tools-trigger:hover,
.header-tools-dropdown.open .header-tools-trigger {
  background: var(--color-surface-hover);
  border-color: var(--color-border-bright);
  color: var(--color-text-primary);
}

.tools-arrow {
  transition: transform var(--transition-fast);
  opacity: 0.7;
}

.header-tools-dropdown.open .tools-arrow {
  transform: rotate(180deg);
}

.header-tools-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 260px;
  background: var(--color-dropdown-bg);
  border: 1px solid var(--color-border-bright);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  backdrop-filter: var(--blur-base);
  -webkit-backdrop-filter: var(--blur-base);
  padding: 6px;
  display: none;
  flex-direction: column;
  gap: 4px;
  z-index: 2000;
}

/* Theme Toggle Button */
.btn-theme-toggle {
  width: 40px;
  height: 40px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.btn-theme-toggle:hover {
  background: var(--color-surface-hover);
  border-color: var(--color-border-bright);
  color: var(--color-text-primary);
}

.btn-theme-toggle:active {
  transform: scale(0.95);
}

.theme-icon-sun {
  display: block;
}

.theme-icon-moon {
  display: none;
}

[data-theme="light"] .theme-icon-sun {
  display: none;
}

[data-theme="light"] .theme-icon-moon {
  display: block;
}

.header-tools-dropdown.open .header-tools-menu {
  display: flex;
  animation: fadeIn 150ms ease;
}

.tools-menu-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  background: transparent;
  border: 1px solid transparent;
  color: var(--color-text-primary);
  text-align: left;
  cursor: pointer;
  transition: all var(--transition-fast);
  width: 100%;
}

.tools-menu-item svg {
  color: var(--color-accent);
  flex-shrink: 0;
}

.tools-menu-item:hover {
  background: rgba(34, 197, 94, 0.12);
  border-color: rgba(34, 197, 94, 0.3);
}

.tools-menu-item-danger svg {
  color: #ef4444;
}

.tools-menu-item-danger:hover {
  background: rgba(239, 68, 68, 0.12);
  border-color: rgba(239, 68, 68, 0.3);
}

.tools-menu-item-danger:hover .tools-menu-title {
  color: #ef4444;
}

.tools-menu-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.tools-menu-title {
  font-size: 0.813rem;
  font-weight: 600;
  color: var(--color-text-primary);
}

.tools-menu-sub {
  font-size: 0.688rem;
  color: var(--color-text-muted);
}

.filter-toggle-btn {
  position: relative;
  height: 40px;
  padding: 0 16px;
  border-radius: var(--radius-sm);
  font-size: 0.813rem;
  font-weight: 500;
}

.filter-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: var(--radius-xs);
  background: var(--color-accent);
  color: #ffffff;
  font-size: 0.688rem;
  font-weight: 600;
  margin-left: 4px;
}

.stats-count {
  color: var(--color-accent);
  font-weight: 600;
}

/* Mobile Search Trigger Button (Hidden on desktop) */
.btn-search-mobile-trigger {
  display: none !important;
}

@media (max-width: 768px) {
  .brand-text-wrap {
    display: none;
  }

  .header-inner {
    height: 60px;
    gap: 10px;
    position: relative;
  }

  .header-actions {
    gap: 8px;
  }

  /* Compact Tools Trigger (Icon Only) */
  .header-tools-trigger {
    width: 40px;
    height: 40px;
    padding: 0;
    justify-content: center;
  }

  .header-tools-trigger span,
  .header-tools-trigger .tools-arrow {
    display: none !important;
  }

  /* Hide normal header search container on mobile */
  .search-container {
    display: none !important;
  }

  /* Compact Mobile Search Trigger Button */
  .btn-search-mobile-trigger {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
  }

  .btn-search-mobile-trigger:hover {
    background: var(--color-surface-hover);
    border-color: var(--color-border-bright);
    color: var(--color-text-primary);
  }

  .btn-search-mobile-trigger:active {
    transform: scale(0.96);
  }

  .btn-search-mobile-trigger.has-query {
    color: var(--color-accent);
    border-color: var(--color-border-accent);
  }

  .btn-search-mobile-trigger.has-query::after {
    content: '';
    position: absolute;
    top: 7px;
    right: 7px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-accent);
  }
}