/**
 * Header, Navigation, Mega Menus & Search Styles
 * Khaas Tech N Games
 */

/* Top Utility / Announcement Bar */
.announcement-bar {
  background-color: var(--heading-color);
  color: #ffffff;
  min-height: var(--announcement-height);
  font-size: 1.25rem;
  font-weight: var(--font-weight-normal);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 950;
  padding: 0.6rem var(--gutter-sm);
  text-align: center;
}

.announcement-bar a {
  color: var(--accent-lime);
  font-weight: var(--font-weight-bold);
  text-decoration: underline;
  margin-left: 0.5rem;
}

.announcement-bar a:hover {
  color: #ffffff;
}

/* Primary Header Shell */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  background-color: var(--bg-color);
  border-bottom: 1px solid var(--card-border);
  z-index: 900;
  transition: box-shadow var(--transition-normal);
}

.site-header.is-scrolled {
  box-shadow: var(--shadow-md);
}

.header-inner {
  display: flex;
  flex-direction: column;
}

/* Header Top Row */
.header-main-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1.4rem;
  padding-bottom: 1.4rem;
  gap: 2.4rem;
}

/* Logo */
.site-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  max-width: 280px;
}

.site-logo img, .site-logo svg {
  height: 48px;
  width: auto;
  object-fit: contain;
}

/* Search Bar (Pill Shape) */
.header-search {
  flex: 1;
  max-width: 620px;
  position: relative;
}

.search-form-pill {
  display: flex;
  align-items: center;
  position: relative;
  background-color: #f7f7f7;
  border: 1px solid var(--input-border);
  border-radius: var(--input-radius);
  height: 48px;
  transition: all var(--transition-fast);
}

.search-form-pill:focus-within {
  border-color: var(--heading-color);
  background-color: #ffffff;
  box-shadow: 0 0 0 1px var(--heading-color);
}

/* Category Scope Selector */
.search-category-select {
  position: relative;
  border-right: 1px solid rgba(83, 84, 84, 0.2);
  height: 100%;
  display: flex;
  align-items: center;
}

.search-category-select select {
  padding-left: 1.6rem;
  padding-right: 2.8rem;
  font-size: 1.3rem;
  font-weight: var(--font-weight-semibold);
  color: var(--heading-color);
  cursor: pointer;
  appearance: none;
  background: transparent;
  height: 100%;
}

.search-category-select .select-arrow {
  position: absolute;
  right: 1.0rem;
  pointer-events: none;
  width: 14px;
  height: 14px;
  color: var(--text-color);
}

/* Search Input */
.search-input {
  flex: 1;
  height: 100%;
  padding-left: 1.6rem;
  padding-right: 4.4rem;
  font-size: 1.4rem;
  background: transparent;
  color: var(--heading-color);
}

.search-input::placeholder {
  color: #8c8c8c;
}

.search-submit-btn {
  position: absolute;
  right: 0.6rem;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--heading-color);
  border-radius: 50%;
  transition: background-color var(--transition-fast);
}

.search-submit-btn:hover {
  background-color: #eaeaea;
}

/* Predictive Search Results Dropdown */
.predictive-search-results {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  width: 100%;
  background-color: var(--bg-color);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  padding: 1.2rem 0;
  display: none;
  z-index: 950;
  max-height: 440px;
  overflow-y: auto;
}

.predictive-search-results.is-open {
  display: block;
}

.predictive-result-item {
  display: flex;
  align-items: center;
  gap: 1.4rem;
  padding: 1.0rem 1.6rem;
  transition: background-color var(--transition-fast);
}

.predictive-result-item:hover {
  background-color: #f7f7f7;
}

.predictive-result-thumb {
  width: 48px;
  height: 48px;
  border-radius: 6px;
  object-fit: contain;
  background-color: #ffffff;
  border: 1px solid var(--card-border);
  flex-shrink: 0;
}

.predictive-result-info {
  flex: 1;
  min-width: 0;
}

.predictive-result-title {
  font-size: 1.35rem;
  font-weight: var(--font-weight-semibold);
  color: var(--heading-color);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.predictive-result-meta {
  display: flex;
  align-items: center;
  gap: 1.0rem;
  margin-top: 0.3rem;
  font-size: 1.2rem;
}

.predictive-result-price {
  font-weight: var(--font-weight-bold);
  color: var(--heading-color);
}

/* Utility Icons Cluster */
.header-actions {
  display: flex;
  align-items: center;
  gap: 1.8rem;
  flex-shrink: 0;
}

.header-action-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
  color: var(--heading-color);
  width: 40px;
  height: 40px;
  transition: opacity var(--transition-fast);
}

.header-action-link:hover {
  opacity: 0.75;
}

/* Cart Icon Bubble */
.cart-count-bubble {
  position: absolute;
  top: 2px;
  right: 0px;
  background-color: var(--heading-color);
  color: var(--accent-lime);
  font-size: 1.1rem;
  font-weight: var(--font-weight-bold);
  height: 20px;
  min-width: 20px;
  border-radius: 10px;
  padding: 0 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

/* Primary Navigation Bar (Desktop) */
.header-nav-bar {
  border-top: 1px solid #f2f2f2;
}

.primary-nav-list {
  display: flex;
  align-items: center;
  gap: 3.2rem;
  height: 52px;
}

.nav-item {
  position: relative;
  height: 100%;
  display: flex;
  align-items: center;
}

.nav-link {
  font-size: 1.5rem;
  font-weight: var(--font-weight-light);
  color: var(--heading-color);
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  height: 100%;
  transition: color var(--transition-fast);
}

.nav-link:hover, .nav-item.is-active .nav-link {
  color: #000000;
  font-weight: var(--font-weight-semibold);
}

.nav-link.specials-link {
  color: var(--sale-badge);
  font-weight: var(--font-weight-semibold);
}

/* Mega Menu Container */
.mega-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  width: 100vw;
  max-width: var(--page-width);
  background-color: var(--bg-color);
  border: 1px solid var(--card-border);
  box-shadow: var(--shadow-lg);
  padding: 3.2rem var(--gutter-md);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), transform var(--transition-normal);
  z-index: 850;
  pointer-events: none;
}

.nav-item:hover .mega-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* 8-Column Mega Menu Grid (PC Components / Peripherals) */
.mega-menu-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr) 280px;
  gap: 2.4rem;
}

.mega-menu-8col {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2.8rem 2.0rem;
}

.mega-col-title {
  font-size: 1.4rem;
  font-weight: var(--font-weight-bold);
  color: var(--heading-color);
  margin-bottom: 1.2rem;
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.mega-col-title:hover {
  text-decoration: underline;
}

.mega-sub-list {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.mega-sub-link {
  font-size: 1.35rem;
  color: var(--text-color);
  font-weight: var(--font-weight-normal);
  transition: color var(--transition-fast);
}

.mega-sub-link:hover {
  color: var(--heading-color);
  text-decoration: underline;
}

/* Mega Menu Promotional Card */
.mega-promo-card {
  background-color: #f9f9f9;
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--card-border);
  transition: transform var(--transition-fast);
}

.mega-promo-card:hover {
  transform: translateY(-3px);
}

.mega-promo-img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
}

.mega-promo-content {
  padding: 1.6rem;
}

.mega-promo-title {
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  color: var(--heading-color);
  margin-bottom: 0.4rem;
}

.mega-promo-cta {
  font-size: 1.3rem;
  font-weight: var(--font-weight-bold);
  color: var(--heading-color);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.8rem;
}

/* Mobile Controls */
.mobile-nav-toggle, .mobile-search-toggle {
  display: none;
}

@media (max-width: 1024px) {
  .header-nav-bar {
    display: none;
  }
  
  .header-search {
    display: none;
  }
  
  .mobile-nav-toggle, .mobile-search-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    color: var(--heading-color);
  }
  
  .site-logo {
    max-width: 180px;
    margin: 0 auto;
  }
}

/* Mobile Drill-Down Drawer */
.mobile-drawer {
  position: fixed;
  top: 0;
  left: 0;
  width: 85vw;
  max-width: 380px;
  height: 100vh;
  background-color: var(--bg-color);
  box-shadow: var(--shadow-drawer);
  z-index: 1000;
  transform: translateX(-100%);
  transition: transform var(--transition-smooth);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

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

.mobile-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.6rem var(--gutter-sm);
  border-bottom: 1px solid var(--card-border);
}

.mobile-drawer-body {
  flex: 1;
  overflow-y: auto;
  position: relative;
}

.mobile-menu-pane {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--bg-color);
  transition: transform var(--transition-normal);
  padding: 1.0rem 0;
}

.mobile-menu-pane.is-nested {
  transform: translateX(100%);
}

.mobile-menu-pane.is-nested.is-active {
  transform: translateX(0);
}

.mobile-menu-item {
  border-bottom: 1px solid #f0f0f0;
}

.mobile-menu-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.4rem var(--gutter-sm);
  font-size: 1.5rem;
  font-weight: var(--font-weight-semibold);
  color: var(--heading-color);
}

.mobile-back-btn {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 1.2rem var(--gutter-sm);
  font-size: 1.4rem;
  font-weight: var(--font-weight-bold);
  color: var(--heading-color);
  background-color: #f7f7f7;
  border-bottom: 1px solid var(--card-border);
  width: 100%;
  text-align: left;
}

/* Mobile Search Overlay */
.mobile-search-overlay {
  position: fixed;
  top: var(--header-height);
  left: 0;
  width: 100%;
  background-color: var(--bg-color);
  padding: 1.2rem var(--gutter-sm);
  border-bottom: 1px solid var(--card-border);
  box-shadow: var(--shadow-md);
  z-index: 890;
  display: none;
}

.mobile-search-overlay.is-open {
  display: block;
}