/* =====================================================
   CLALMOBILE LAYOUT SYSTEM v1.0
   Mobile-First Responsive Grid & Containers
   ===================================================== */

/* ===== BASE RESET ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  font-family: var(--font-ui);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--text-1);
  background: var(--bg-1);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* ===== MAIN LAYOUT STRUCTURE ===== */

.page-wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.main-content {
  flex: 1;
  padding-top: var(--header-height);
}

@media (max-width: 640px) {
  .main-content {
    padding-top: calc(var(--header-height) + 6px);
  }
}

/* ===== CONTAINER SYSTEM ===== */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

.container-fluid {
  width: 100%;
  padding-inline: var(--container-padding);
}

.container-narrow {
  max-width: 720px;
}

.container-wide {
  max-width: 1440px;
}

/* ===== SECTION SPACING ===== */

.section {
  padding-block: var(--space-8);
}

.section-sm {
  padding-block: var(--space-6);
}

.section-lg {
  padding-block: var(--space-12);
}

@media (min-width: 768px) {
  .section {
    padding-block: var(--space-12);
  }
  .section-lg {
    padding-block: var(--space-16);
  }
}

/* ===== PRODUCT GRID SYSTEM — Premium ===== */

.products-grid {
  display: grid;
  gap: 12px;
  
  /* Mobile: 2 columns — compact for premium look */
  grid-template-columns: repeat(2, 1fr);
}

/* Mobile grid spacing handled in mobile-premium.css */

@media (min-width: 480px) {
  .products-grid {
    gap: 14px;
  }
}

@media (min-width: 768px) {
  .products-grid {
    gap: 18px;
  }
}

@media (min-width: 1024px) {
  .products-grid {
    gap: 22px;
  }

}

/* Small screens (360px–480px): 2 compact columns */
@media (min-width: 360px) and (max-width: 479px) {
  .products-grid {
    gap: 10px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* Small screens (480px+): 2 columns with more space */
@media (min-width: 480px) {
  .products-grid {
    grid-template-columns: repeat(2, minmax(165px, 1fr));
  }
}

/* Tablets (768px+): 3 columns */
@media (min-width: 768px) {
  .products-grid {
    grid-template-columns: repeat(3, minmax(200px, 1fr));
  }
}

/* Desktop (1024px+): 4 columns */
@media (min-width: 1024px) {
  .products-grid {
    grid-template-columns: repeat(4, minmax(220px, 1fr));
  }
}

/* Wide Desktop (1280px+): 5 columns optional */
@media (min-width: 1280px) {
  .products-grid.grid-5 {
    grid-template-columns: repeat(5, minmax(200px, 1fr));
  }
}

/* ===== ACCESSORIES GRID (Smaller cards) ===== */

.accessories-grid {
  display: grid;
  gap: var(--grid-gap-sm);
  grid-template-columns: repeat(2, 1fr);
}

@media (min-width: 480px) {
  .accessories-grid {
    gap: var(--grid-gap);
    grid-template-columns: repeat(2, minmax(160px, 1fr));
  }
}

@media (min-width: 768px) {
  .accessories-grid {
    grid-template-columns: repeat(3, minmax(180px, 1fr));
  }
}

@media (min-width: 1024px) {
  .accessories-grid {
    grid-template-columns: repeat(4, minmax(200px, 1fr));
  }
}

@media (min-width: 1280px) {
  .accessories-grid {
    grid-template-columns: repeat(5, minmax(180px, 1fr));
  }
}

/* ===== FLEX UTILITIES ===== */

.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

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

.items-center {
  align-items: center;
}

.items-start {
  align-items: flex-start;
}

.items-end {
  align-items: flex-end;
}

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

.justify-between {
  justify-content: space-between;
}

.justify-end {
  justify-content: flex-end;
}

.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-5 { gap: var(--space-5); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* ===== CATALOG LAYOUT (With Sidebar Filters) ===== */

.catalog-layout {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

/* Desktop: Side filters */
@media (min-width: 1024px) {
  .catalog-layout {
    flex-direction: row;
    align-items: flex-start;
  }
  
  .catalog-sidebar {
    position: sticky;
    top: calc(var(--header-height) + var(--space-4));
    width: 280px;
    flex-shrink: 0;
    max-height: calc(100vh - var(--header-height) - var(--space-8));
    overflow-y: auto;
  }
  
  .catalog-main {
    flex: 1;
    min-width: 0; /* Prevent overflow */
  }
}

/* ===== TWO COLUMN LAYOUT ===== */

.two-col-layout {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .two-col-layout {
    grid-template-columns: 1fr 1fr;
  }
}

/* ===== CHECKOUT LAYOUT ===== */

.checkout-layout {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: 1fr;
  max-width: 560px;
  margin-inline: auto;
}

@media (min-width: 1024px) {
  .checkout-layout {
    max-width: none;
    grid-template-columns: 1fr 400px;
  }
  
  .checkout-layout.reversed {
    grid-template-columns: 400px 1fr;
  }
}

/* ===== STICKY ELEMENTS ===== */

.sticky-top {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
}

.sticky-bottom {
  position: sticky;
  bottom: 0;
  z-index: var(--z-sticky);
}

/* ===== HIDE/SHOW UTILITIES ===== */

.hide-mobile {
  display: none !important;
}

.show-mobile {
  display: flex !important;
}

@media (min-width: 768px) {
  .hide-mobile {
    display: flex !important;
  }
  
  .show-mobile-only {
    display: none !important;
  }
}

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

/* ===== ASPECT RATIOS ===== */

.aspect-square {
  aspect-ratio: 1 / 1;
}

.aspect-video {
  aspect-ratio: 16 / 9;
}

.aspect-portrait {
  aspect-ratio: 3 / 4;
}

/* ===== IMAGE CONTAINERS ===== */

.img-container {
  position: relative;
  overflow: hidden;
  background: var(--bg-3);
}

.img-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-normal) var(--ease-out);
}

.img-container:hover img {
  transform: scale(1.05);
}

/* ===== SCROLLBAR STYLING ===== */

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-2);
}

::-webkit-scrollbar-thumb {
  background: var(--bg-3);
  border-radius: var(--r-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--muted-2);
}

/* Firefox */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--bg-3) var(--bg-2);
}

/* ===== SAFE AREA PADDING (for notched phones) ===== */

@supports (padding: env(safe-area-inset-bottom)) {
  .safe-bottom {
    padding-bottom: env(safe-area-inset-bottom);
  }
  
  .safe-top {
    padding-top: env(safe-area-inset-top);
  }
}

/* ===== NO OVERFLOW ===== */

.overflow-hidden {
  overflow: hidden;
}

.overflow-x-hidden {
  overflow-x: hidden;
}

/* Prevent any horizontal scroll on page */
html, body {
  overflow-x: hidden;
  max-width: 100vw;
}