/**
 * @file
 * ElectroHome Theme - Responsive Styles
 * Mobile-first approach with breakpoints at 575px, 767px, 991px, 1199px
 */

/* ============================================
   MOBILE MENU
   ============================================ */
.mobile-menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  color: var(--color-text-light);
  cursor: pointer;
  padding: 8px;
}

.mobile-menu-toggle svg {
  width: 24px;
  height: 24px;
}

.mobile-menu-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.5);
  z-index: 90;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.mobile-menu-overlay.is-active {
  display: block;
  opacity: 1;
}

.mobile-menu {
  position: fixed;
  top: 0;
  left: -100%;
  width: 85%;
  max-width: 360px;
  height: 100vh;
  background: var(--color-bg-card);
  z-index: 100;
  overflow-y: auto;
  transition: left 0.3s ease;
  box-shadow: var(--shadow-lg);
}

.mobile-menu.is-open {
  left: 0;
}

.mobile-menu__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-dark);
}

.mobile-menu__logo {
  font-family: var(--font-condensed);
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text-light);
}

.mobile-menu__close {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.1);
  border: none;
  border-radius: 50%;
  color: var(--color-text-light);
  cursor: pointer;
}

.mobile-menu__close svg {
  width: 20px;
  height: 20px;
}

.mobile-menu__list {
  padding: 8px 0;
}

.mobile-menu__item {
  border-bottom: 1px solid var(--color-border-light);
}

.mobile-menu__link {
  display: block;
  padding: 14px 20px;
  color: var(--color-text);
  font-size: 15px;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.mobile-menu__link:hover {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.mobile-menu__submenu {
  padding-left: 20px;
  background: var(--color-bg);
}

.mobile-menu__submenu-link {
  display: block;
  padding: 12px 20px;
  color: var(--color-text-muted);
  font-size: 14px;
  border-bottom: 1px solid var(--color-border-light);
}

.mobile-menu__submenu-link:hover {
  color: var(--color-primary);
}

/* ============================================
   TABLET BREAKPOINT (max-width: 991px)
   ============================================ */
@media (max-width: 991px) {
  .main-nav {
    display: none;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .header-phone {
    display: none;
  }

  .product-detail__grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .product-grid {
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  }

  .landing-page {
    padding: 24px;
  }

  .landing-page__title {
    font-size: 26px;
  }

  .product-detail {
    padding: 24px;
  }

  .product-info__title {
    font-size: 20px;
  }

  .product-info__price {
    font-size: 28px;
  }
}

/* ============================================
   MOBILE BREAKPOINT (max-width: 767px)
   ============================================ */
@media (max-width: 767px) {
  :root {
    --header-top-h: 50px;
    --header-mid-h: 50px;
  }

  .region-top-banner {
    font-size: 12px;
    padding: 6px 40px 6px 12px;
  }

  .region-top-banner .promo-close {
    right: 8px;
    width: 24px;
    height: 24px;
    font-size: 14px;
  }

  .header-middle-inner {
    padding: 8px 0;
  }

  .header-logo__text {
    font-size: 18px;
  }

  .header-bottom-inner {
    flex-wrap: wrap;
    gap: 8px;
    padding: 8px 0;
  }

  .catalog-btn {
    padding: 8px 14px;
    font-size: 13px;
  }

  .catalog-btn__text {
    display: none;
  }

  .header-search {
    order: 3;
    max-width: 100%;
    width: 100%;
  }

  .header-actions {
    gap: 4px;
  }

  .header-action {
    min-width: 48px;
    padding: 4px 8px;
  }

  .header-action__label {
    display: none;
  }

  .page-title {
    font-size: 22px;
  }

  .product-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .product-grid--compact {
    grid-template-columns: repeat(2, 1fr);
  }

  .product-card__image-wrap {
    padding: 12px;
  }

  .product-card__body {
    padding: 12px;
  }

  .product-card__title {
    font-size: 13px;
    min-height: 36px;
  }

  .product-card__price {
    font-size: 16px;
  }

  .product-card__btn-cart {
    padding: 8px 12px;
    font-size: 12px;
  }

  .product-card__btn-cart span {
    display: none;
  }

  .category-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .category-card {
    padding: 16px 12px;
  }

  .category-card__image {
    width: 60px;
    height: 60px;
  }

  .landing-page {
    padding: 16px;
    border-radius: var(--radius-md);
  }

  .landing-page__title {
    font-size: 22px;
  }

  .landing-page__body {
    font-size: 15px;
  }

  .landing-page__body h2 {
    font-size: 20px;
  }

  .product-detail {
    padding: 16px;
    border-radius: var(--radius-md);
  }

  .product-gallery__main {
    padding: 16px;
  }

  .product-info__price {
    font-size: 24px;
  }

  .product-info__actions {
    flex-wrap: wrap;
  }

  .product-info__btn-cart {
    width: 100%;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* ============================================
   SMALL MOBILE (max-width: 575px)
   ============================================ */
@media (max-width: 575px) {
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .product-card {
    border-radius: var(--radius-md);
  }

  .product-card__badges {
    top: 8px;
    left: 8px;
    gap: 4px;
  }

  .product-card__badge {
    padding: 2px 6px;
    font-size: 9px;
  }

  .product-card__image-wrap {
    padding: 8px;
  }

  .product-card__body {
    padding: 10px;
  }

  .product-card__title {
    font-size: 12px;
    min-height: 32px;
  }

  .product-card__price-row {
    gap: 4px;
  }

  .product-card__price {
    font-size: 15px;
  }

  .product-card__old-price {
    font-size: 12px;
  }

  .product-card__actions {
    gap: 4px;
  }

  .product-card__btn-cart {
    padding: 8px;
  }

  .product-card__btn-compare {
    width: 36px;
    height: 36px;
  }

  .category-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .category-card__title {
    font-size: 13px;
  }

  .category-card__count {
    font-size: 11px;
  }

  .electro-container {
    padding: 0 12px;
  }

  .page-title {
    font-size: 20px;
    margin-bottom: 16px;
  }

  .landing-page__gallery {
    grid-template-columns: 1fr;
  }

  .product-embed {
    padding: 12px;
  }
}

/* ============================================
   LARGE SCREENS (min-width: 1400px)
   ============================================ */
@media (min-width: 1400px) {
  .product-grid {
    grid-template-columns: repeat(5, 1fr);
  }

  .product-grid--compact {
    grid-template-columns: repeat(6, 1fr);
  }
}

/* ============================================
   SWIPE SUPPORT & TOUCH DEVICE OPTIMIZATIONS
   ============================================ */
@media (hover: none) {
  .product-card__wishlist {
    opacity: 1;
    transform: scale(1);
  }

  .product-card:hover {
    transform: none;
  }

  .product-card:hover .product-card__image {
    transform: none;
  }
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
  .region-top-banner,
  .region-header-top,
  .region-header-bottom,
  .site-footer,
  .product-card__actions,
  .product-info__actions,
  .mobile-menu-toggle,
  .mobile-menu-overlay,
  .mobile-menu {
    display: none !important;
  }

  .product-card,
  .product-detail,
  .landing-page {
    box-shadow: none;
    border: 1px solid #ddd;
    break-inside: avoid;
  }
}

/* ==========================================================================
   Catalog Page Mobile/Responsive Styles
   ========================================================================== */

@media (max-width: 991px) {
  .catalog-content-wrapper {
    flex-direction: column;
    gap: 0;
  }

  .catalog-sidebar {
    position: fixed;
    top: 0;
    left: -320px;
    bottom: 0;
    width: 300px;
    max-width: calc(100vw - 40px);
    background-color: var(--color-bg-card);
    box-shadow: 4px 0 20px rgba(0, 0, 0, 0.15);
    z-index: 9999;
    overflow-y: auto;
    border-radius: 0;
    padding: 20px;
    transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  }

  .catalog-sidebar--open {
    left: 0;
  }

  .catalog-sidebar__close {
    display: block;
  }

  .catalog-mobile-filter-btn {
    display: flex;
  }

  /* Backdrop */
  .catalog-sidebar-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.4);
    z-index: 9998;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
  }

  .catalog-sidebar-backdrop--active {
    opacity: 1;
    visibility: visible;
  }

  .catalog-toolbar {
    padding: 12px 15px;
    margin-bottom: 20px;
  }
}

@media (max-width: 575px) {
  .catalog-title {
    font-size: 26px;
  }
  
  .catalog-toolbar {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }
  
  .catalog-toolbar__left {
    justify-content: space-between;
  }

  .catalog-sort {
    justify-content: space-between;
    width: 100%;
  }

  .catalog-sort__select {
    flex-grow: 1;
    max-width: 200px;
  }
}