/* ============================================
   MS tablets — Header Styles
   ============================================ */
.wcs-site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: var(--z-sticky);
  background: rgba(250, 251, 252, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border-light);
  transition: box-shadow var(--duration-normal) var(--ease-out), background var(--duration-normal) var(--ease-out);
}

.wcs-site-header.wcs-scrolled {
  box-shadow: var(--shadow-header);
  background: rgba(250, 251, 252, 0.95);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .wcs-site-header {
    background: rgba(15, 17, 23, 0.85);
  }
  :root:not([data-theme="light"]) .wcs-site-header.wcs-scrolled {
    background: rgba(15, 17, 23, 0.95);
  }
}

[data-theme="dark"] .wcs-site-header {
  background: rgba(15, 17, 23, 0.85);
}

[data-theme="dark"] .wcs-site-header.wcs-scrolled {
  background: rgba(15, 17, 23, 0.95);
}

/* Theme Toggle Button */
.wcs-theme-toggle-btn {
  position: relative;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  transition: color var(--duration-fast) var(--ease-out), background var(--duration-fast) var(--ease-out);
  cursor: pointer;
}

.wcs-theme-toggle-btn:hover {
  color: var(--color-text);
  background: var(--color-surface-alt);
}

.wcs-theme-toggle-btn svg {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  stroke-width: 1.75;
  fill: none;
  transition: transform var(--duration-normal) var(--ease-spring), opacity var(--duration-fast) var(--ease-out);
}

.wcs-theme-toggle-btn .wcs-icon-sun { display: none; }
.wcs-theme-toggle-btn .wcs-icon-moon { display: block; }

[data-theme="dark"] .wcs-theme-toggle-btn .wcs-icon-sun { display: block; }
[data-theme="dark"] .wcs-theme-toggle-btn .wcs-icon-moon { display: none; }

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .wcs-theme-toggle-btn .wcs-icon-sun { display: block; }
  :root:not([data-theme="light"]) .wcs-theme-toggle-btn .wcs-icon-moon { display: none; }
}

.wcs-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-wide);
  margin: 0 auto;
  padding-inline: var(--container-padding);
}

/* Logo */
.wcs-header-logo a {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--fs-xl);
  font-weight: var(--fw-bold);
  color: var(--color-text);
  letter-spacing: var(--ls-tight);
}

.wcs-header-logo a:hover { color: var(--color-text); }

.wcs-logo-icon {
  width: 36px;
  height: 36px;
  background: var(--color-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: var(--fw-bold);
  font-size: var(--fs-sm);
}

/* Navigation */
.wcs-header-nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

ul#wcs-primary-nav {
  display: flex;
  align-items: center;
  gap: 12px;
}

.wcs-header-nav > .wcs-nav-item {
  position: relative;
}

.wcs-nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-3);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--color-text-secondary);
  border-radius: var(--radius-sm);
  transition: color var(--duration-fast) var(--ease-out), background var(--duration-fast) var(--ease-out);
}

.wcs-nav-link:hover, .wcs-nav-link.wcs-active {
  color: var(--color-text);
  background: var(--color-surface-alt);
}

.wcs-nav-link svg {
  width: 14px;
  height: 14px;
  transition: transform var(--duration-fast) var(--ease-out);
}

.wcs-nav-item:hover .wcs-nav-link svg {
  transform: rotate(180deg);
}

/* Mega Menu */
.wcs-mega-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  min-width: 520px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: var(--space-6);
  opacity: 0;
  visibility: hidden;
  transform: translateX(-50%) translateY(8px);
  transition: all var(--duration-normal) var(--ease-out);
  pointer-events: none;
}

.wcs-nav-item:hover .wcs-mega-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

.wcs-mega-menu-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2);
}

.wcs-mega-menu-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  transition: background var(--duration-fast) var(--ease-out);
}

.wcs-mega-menu-item:hover {
  background: var(--color-surface-alt);
}

.wcs-mega-menu-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--color-surface-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: var(--fs-lg);
}

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

.wcs-mega-menu-text span {
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  color: var(--color-text);
}

.wcs-mega-menu-text small {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}

/* Header Actions */
.wcs-header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.wcs-header-action-btn {
  position: relative;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  transition: color var(--duration-fast) var(--ease-out), background var(--duration-fast) var(--ease-out);
}

.wcs-header-action-btn:hover {
  color: var(--color-text);
  background: var(--color-surface-alt);
}

.wcs-header-action-btn svg {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  stroke-width: 1.75;
  fill: none;
}

.wcs-cart-count {
  position: absolute;
  top: 2px;
  right: 2px;
  width: 18px;
  height: 18px;
  background: var(--color-accent);
  color: white;
  font-size: 10px;
  font-weight: var(--fw-bold);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.wcs-cart-count:empty {
  display: none;
}

.wcs-wishlist-count {
  position: absolute;
  top: 2px;
  right: 2px;
  width: 18px;
  height: 18px;
  background: var(--color-primary);
  color: white;
  font-size: 10px;
  font-weight: var(--fw-bold);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.wcs-wishlist-count:empty,
.wcs-mobile-nav-badge:empty {
  display: none;
}

/* Mini Cart */
.wcs-mini-cart {
  position: relative;
}

.wcs-mini-cart-panel {
  position: absolute;
  top: 100%;
  right: 0;
  width: min(380px, calc(100vw - 32px));
  padding-top: 14px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity var(--duration-fast) var(--ease-out), transform var(--duration-fast) var(--ease-out), visibility var(--duration-fast) var(--ease-out);
  z-index: var(--z-dropdown);
}

.wcs-mini-cart:hover .wcs-mini-cart-panel,
.wcs-mini-cart:focus-within .wcs-mini-cart-panel {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

.wcs-mini-cart-inner {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  padding: var(--space-5);
}

.wcs-mini-cart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.wcs-mini-cart-header h3 {
  font-size: var(--fs-lg);
  margin: 0;
}

.wcs-mini-cart-count {
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  color: var(--color-text-muted);
}

.wcs-mini-cart-empty {
  display: grid;
  gap: var(--space-4);
}

.wcs-mini-cart-empty p {
  margin: 0;
  color: var(--color-text-secondary);
}

.wcs-mini-cart-list {
  display: grid;
  gap: var(--space-4);
  max-height: 360px;
  margin: 0;
  padding: 0;
  list-style: none;
  overflow-y: auto;
}

.wcs-mini-cart-item {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: var(--space-3);
  align-items: start;
}

.wcs-mini-cart-item-image {
  width: 72px;
  height: 72px;
  padding: var(--space-2);
  border-radius: var(--radius-lg);
  background: var(--color-surface-alt);
  overflow: hidden;
}

.wcs-mini-cart-item-image a,
.wcs-mini-cart-item-image img {
  display: block;
  width: 100%;
  height: 100%;
}

.wcs-mini-cart-item-image img {
  object-fit: contain;
}

.wcs-mini-cart-item-content {
  min-width: 0;
}

.wcs-mini-cart-item-row {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
}

.wcs-mini-cart-item-name {
  flex: 1;
  min-width: 0;
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  line-height: var(--lh-snug);
}

.wcs-mini-cart-item-name a {
  color: var(--color-text);
}

.wcs-mini-cart-item-name a:hover {
  color: var(--color-primary);
}

.wcs-mini-cart-remove {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  font-size: 20px;
  line-height: 1;
  transition: color var(--duration-fast) var(--ease-out), background var(--duration-fast) var(--ease-out);
}

.wcs-mini-cart-remove:hover {
  color: var(--color-error);
  background: var(--color-error-bg);
}

.wcs-mini-cart-item-meta {
  margin-top: var(--space-2);
  display: grid;
  gap: 4px;
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}

.wcs-mini-cart-item-meta .variation {
  margin: 0;
}

.wcs-mini-cart-item-meta .variation dt,
.wcs-mini-cart-item-meta .variation dd {
  display: inline;
  margin: 0;
}

.wcs-mini-cart-item-meta .variation dd::after {
  content: " ";
}

.wcs-mini-cart-footer {
  margin-top: var(--space-5);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border-light);
}

.wcs-mini-cart-total {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
  font-size: var(--fs-sm);
}

.wcs-mini-cart-total span {
  color: var(--color-text-secondary);
}

.wcs-mini-cart-total strong {
  font-size: var(--fs-base);
  color: var(--color-text);
}

.wcs-mini-cart-actions {
  display: grid;
  gap: var(--space-3);
}

/* Mobile Menu Toggle */
.wcs-mobile-menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text);
}

.wcs-mobile-menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: currentColor;
  position: relative;
  transition: background var(--duration-fast) var(--ease-out);
}

.wcs-mobile-menu-toggle span::before,
.wcs-mobile-menu-toggle span::after {
  content: '';
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: currentColor;
  transition: transform var(--duration-normal) var(--ease-out);
}

.wcs-mobile-menu-toggle span::before { top: -7px; }
.wcs-mobile-menu-toggle span::after { top: 7px; }

.wcs-mobile-menu-toggle.wcs-active span { background: transparent; }
.wcs-mobile-menu-toggle.wcs-active span::before { transform: translateY(7px) rotate(45deg); }
.wcs-mobile-menu-toggle.wcs-active span::after { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Nav */
.wcs-mobile-nav {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-surface);
  z-index: var(--z-overlay);
  transform: translateX(-100%);
  transition: transform var(--duration-slow) var(--ease-out);
  overflow-y: visible;
  padding: var(--space-6);
}

.wcs-mobile-nav.wcs-active {
  transform: translateX(0);
  background: var(--color-surface);
  bottom: auto;
  height: max-content;
  min-height: calc(100dvh - var(--header-height));
  box-shadow: 0 24px 48px rgba(15, 23, 42, 0.18);
}

.wcs-mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.wcs-mobile-nav-links a {
  display: block;
  padding: var(--space-4);
  font-size: var(--fs-lg);
  font-weight: var(--fw-medium);
  color: var(--color-text);
  border-radius: var(--radius-md);
  transition: background var(--duration-fast) var(--ease-out);
}

.wcs-mobile-nav-links a:hover {
  background: var(--color-surface-alt);
}

.wcs-mobile-nav-divider {
  height: 1px;
  background: var(--color-border);
  margin: var(--space-4) 0;
}

.wcs-mobile-nav-sub {
  padding-left: var(--space-4);
}

.wcs-mobile-nav-sub a {
  font-size: var(--fs-base);
  color: var(--color-text-secondary);
}

.wcs-mobile-nav-actions {
  display: none;
}

.wcs-mobile-nav-action {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  width: 100%;
  padding: var(--space-4);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  background: var(--color-surface-alt);
  color: var(--color-text);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  text-align: left;
  transition: border-color var(--duration-fast) var(--ease-out), background var(--duration-fast) var(--ease-out), transform var(--duration-fast) var(--ease-out);
}

.wcs-mobile-nav-action:hover {
  color: var(--color-text);
  border-color: var(--color-primary);
  background: rgba(var(--color-primary-rgb), 0.08);
  transform: translateY(-1px);
}

.wcs-mobile-nav-action svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  stroke-width: 1.75;
  fill: none;
  flex-shrink: 0;
}

.wcs-mobile-nav-badge {
  margin-left: auto;
  min-width: 22px;
  height: 22px;
  padding: 0 6px;
  border-radius: 999px;
  background: var(--color-accent);
  color: #fff;
  font-size: 11px;
  font-weight: var(--fw-bold);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* Search Bar */
.wcs-search-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(8px);
  z-index: var(--z-modal);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 120px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--duration-normal) var(--ease-out);
}

.wcs-search-overlay.wcs-active {
  opacity: 1;
  visibility: visible;
}

.wcs-search-box {
  width: 90%;
  max-width: 640px;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  box-shadow: var(--shadow-xl);
  transform: translateY(-20px);
  transition: transform var(--duration-normal) var(--ease-spring);
}

.wcs-search-overlay.wcs-active .wcs-search-box {
  transform: translateY(0);
}

.wcs-search-input-wrap {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.wcs-search-input-wrap svg {
  width: 22px;
  height: 22px;
  color: var(--color-text-muted);
  flex-shrink: 0;
}

.wcs-search-input-wrap input {
  flex: 1;
  font-size: var(--fs-lg);
  padding: var(--space-2) 0;
}

.wcs-search-close-btn {
  font-size: var(--fs-xs);
  padding: var(--space-1) var(--space-2);
  background: var(--color-surface-alt);
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
}

/* Responsive */
@media (max-width: 900px) {
  .wcs-header-nav { display: none; }
  .wcs-mobile-menu-toggle { display: flex; }
  .wcs-mini-cart-panel { display: none; }
  .wcs-header-inner {
    gap: var(--space-3);
  }
  .wcs-header-logo {
    min-width: 0;
    flex: 1;
  }
  .wcs-header-logo a {
    font-size: var(--fs-lg);
    white-space: nowrap;
  }
  .wcs-header-actions {
    margin-left: auto;
  }
  .wcs-header-actions > :not(.wcs-mobile-menu-toggle) {
    display: none !important;
  }
  .wcs-mobile-nav {
    padding: var(--space-5);
  }
  .wcs-mobile-nav-actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-3);
  }
  .wcs-mobile-nav-action {
    width: 40px;
    height: 40px;
    min-width: 40px;
    padding: 0;
    justify-content: center;
    border-radius: var(--radius-md);
  }
  .wcs-mobile-nav-action span:not(.wcs-icon-moon):not(.wcs-icon-sun) {
    display: none;
  }
  .wcs-mobile-nav-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    margin-left: 0;
    min-width: 18px;
    height: 18px;
    padding: 0 4px;
    font-size: 10px;
  }
  .wcs-mobile-nav-links {
    gap: var(--space-2);
  }
  .wcs-mobile-nav-links a {
    font-size: 16px;
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    background: transparent;
  }
}