/*
 * ThaiNguyenPC Responsive Styles
 * Mobile-first media queries
 */

/* ========================================
   MOBILE FIRST (Base styles in components.css)
   ======================================== */

/* ========================================
   SMALL DEVICES (Landscape phones, 576px and up)
   ======================================== */

@media (min-width: 576px) {
  .container {
    max-width: 540px;
  }
}

/* ========================================
   MEDIUM DEVICES (Tablets, 768px and up)
   ======================================== */

@media (min-width: 768px) {
  .container {
    max-width: 720px;
  }

  /* Typography Scale Up */
  h1 { font-size: var(--text-5xl); }
  h2 { font-size: var(--text-4xl); }
  h3 { font-size: var(--text-3xl); }

  /* Hide mobile-only elements */
  .mobile-only {
    display: none !important;
  }

  /* Show desktop-only elements */
  .desktop-only {
    display: block !important;
  }
}

/* ========================================
   LARGE DEVICES (Desktops, 1024px and up)
   ======================================== */

@media (min-width: 1024px) {
  .container {
    max-width: 960px;
  }
}

/* ========================================
   EXTRA LARGE DEVICES (Large desktops, 1280px and up)
   ======================================== */

@media (min-width: 1280px) {
  .container {
    max-width: 1200px;
  }
}

/* ========================================
   2XL DEVICES (Extra large desktops, 1440px and up)
   ======================================== */

@media (min-width: 1440px) {
  .container {
    max-width: var(--container-xl);
  }
}

/* ========================================
   HEADER RESPONSIVE
   ======================================== */

/* Mobile Header (topbar condensed + search overlay handled in header-footer.css) */
@media (max-width: 767px) {
  .header-main {
    padding: var(--space-3);
    flex-wrap: wrap;
  }

  .header-logo {
    order: 1;
    flex: 0 0 auto;
  }

  .header-actions {
    order: 2;
    flex: 0 0 auto;
  }

  .main-nav {
    display: none;
  }

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

  /* Mobile Navigation - unified width */
  .mobile-nav {
    position: fixed;
    top: 0;
    left: -100%;
    width: 85%;
    max-width: 360px;
    height: 100vh;
    background-color: var(--color-white);
    z-index: var(--z-modal);
    transition: left var(--transition-slow);
    overflow-y: auto;
  }

  .mobile-nav.is-open {
    left: 0;
    box-shadow: var(--shadow-2xl);
  }

  .mobile-nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: calc(var(--z-modal) - 1);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-slow);
  }

  .mobile-nav-overlay.is-visible {
    opacity: 1;
    visibility: visible;
  }
}

/* Desktop Header */
@media (min-width: 768px) {
  .mobile-menu-toggle,
  .mobile-nav,
  .mobile-nav-overlay {
    display: none !important;
  }
}

/* ========================================
   HERO RESPONSIVE (matches template: .hero-grid, .hero-side)
   ======================================== */

@media (max-width: 1023px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .hero-side {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
  }
}

@media (max-width: 767px) {
  .hero-side {
    grid-template-columns: 1fr;
  }

  .hero-main {
    min-height: 280px;
  }
}

/* ========================================
   PRODUCT GRID RESPONSIVE
   ======================================== */

@media (max-width: 1200px) {
  .products-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 900px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .products-grid {
    grid-template-columns: 1fr;
  }

  .product-card__image {
    aspect-ratio: 4 / 3;
  }
}

/* ========================================
   CATEGORY TABS RESPONSIVE
   ======================================== */

@media (max-width: 768px) {
  .category-tabs {
    gap: var(--space-1);
    padding: var(--space-2);
  }

  .category-tab {
    min-width: 70px;
    padding: var(--space-3);
  }

  .category-tab__icon {
    width: 24px;
    height: 24px;
    font-size: var(--text-lg);
  }

  .category-tab__label {
    font-size: 10px;
  }
}

/* ========================================
   FLASH SALE RESPONSIVE
   ======================================== */

@media (max-width: 768px) {
  .flash-sale-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }

  .countdown__value {
    font-size: var(--text-lg);
    padding: var(--space-2);
    min-width: 40px;
  }

  .countdown__label {
    font-size: 10px;
  }
}

/* ========================================
   FOOTER RESPONSIVE
   ======================================== */

@media (max-width: 1023px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 767px) {
  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-links {
    justify-content: center;
  }

  .footer-social {
    justify-content: center;
  }

  .footer-newsletter form {
    flex-direction: column;
  }
}

/* ========================================
   WOOCOMMERCE RESPONSIVE
   ======================================== */

/* Cart Page */
@media (max-width: 1024px) {
  .woocommerce-cart .woocommerce {
    grid-template-columns: 1fr;
  }

  .cart_totals {
    position: static;
  }
}

@media (max-width: 768px) {
  .woocommerce-cart-form table.cart {
    display: block;
  }

  .woocommerce-cart-form table.cart thead {
    display: none;
  }

  .woocommerce-cart-form table.cart tbody {
    display: block;
  }

  .woocommerce-cart-form table.cart tr {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: var(--space-3);
    padding: var(--space-4);
    border-bottom: var(--border-width) solid var(--color-border);
  }

  .woocommerce-cart-form table.cart td {
    padding: 0;
    border: none;
  }

  .woocommerce-cart-form table.cart .product-thumbnail {
    grid-row: span 3;
  }

  .woocommerce-cart-form table.cart .product-name {
    grid-column: 2;
  }

  .woocommerce-cart-form table.cart .product-price {
    display: none;
  }

  .woocommerce-cart-form table.cart .product-quantity,
  .woocommerce-cart-form table.cart .product-subtotal {
    grid-column: 2;
    display: inline-block;
  }

  .woocommerce-cart-form table.cart .product-remove {
    position: absolute;
    top: var(--space-2);
    right: var(--space-2);
  }

  .woocommerce-cart-form .actions {
    flex-direction: column;
    align-items: stretch;
  }

  .woocommerce-cart-form .coupon {
    flex-direction: column;
    width: 100%;
  }

  .woocommerce-cart-form .coupon input,
  .woocommerce-cart-form .coupon button {
    width: 100%;
  }
}

/* Checkout Page */
@media (max-width: 1024px) {
  .woocommerce-checkout .woocommerce {
    grid-template-columns: 1fr;
  }

  .woocommerce-checkout .woocommerce-checkout-review-order {
    position: static;
  }
}

@media (max-width: 767px) {
  .woocommerce-checkout .form-row-first,
  .woocommerce-checkout .form-row-last {
    float: none;
    width: 100%;
  }
}

/* Single Product */
@media (max-width: 768px) {
  .single-product .product {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .single-product .woocommerce-product-gallery {
    position: static;
  }

  .single-product .product_title {
    font-size: var(--text-2xl);
  }

  .single-product .woocommerce-tabs ul.tabs {
    overflow-x: auto;
    flex-wrap: nowrap;
    scrollbar-width: none;
  }

  .single-product .woocommerce-tabs ul.tabs::-webkit-scrollbar {
    display: none;
  }

  .single-product .woocommerce-tabs ul.tabs li a {
    white-space: nowrap;
    padding: var(--space-2) var(--space-4);
  }
}

/* ========================================
   UTILITY RESPONSIVE CLASSES
   ======================================== */

/* Hide on specific breakpoints */
@media (max-width: 767px) {
  .hide-mobile { display: none !important; }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .hide-tablet { display: none !important; }
}

@media (min-width: 1024px) {
  .hide-desktop { display: none !important; }
}

/* Show on specific breakpoints */
.show-mobile { display: none !important; }
.show-tablet { display: none !important; }
.show-desktop { display: none !important; }

@media (max-width: 767px) {
  .show-mobile { display: block !important; }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .show-tablet { display: block !important; }
}

@media (min-width: 1024px) {
  .show-desktop { display: block !important; }
}

/* Responsive text alignment */
@media (max-width: 767px) {
  .text-center-mobile { text-align: center; }
}

/* Responsive spacing */
@media (max-width: 767px) {
  .section {
    padding: var(--space-8) 0;
  }

  .mb-mobile-4 { margin-bottom: var(--space-4); }
  .mb-mobile-6 { margin-bottom: var(--space-6); }
}