/**
 * Layout utilities: containers, grids, and layout helpers.
 * No component-specific styles here.
 */

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

/* Grid System */
.grid {
  display: grid;
  gap: var(--space-md);
}

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

.grid--3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid--4 {
  grid-template-columns: repeat(4, 1fr);
}

.grid--auto-fit {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid--auto-fill {
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
}

/* Flexbox Utilities */
.flex {
  display: flex;
}

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

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

.flex--center {
  align-items: center;
  justify-content: center;
}

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

.flex--gap-sm {
  gap: var(--space-sm);
}

.flex--gap-md {
  gap: var(--space-md);
}

.flex--gap-lg {
  gap: var(--space-lg);
}

/* Spacing Utilities */
.mt-auto {
  margin-top: auto;
}

.mb-auto {
  margin-bottom: auto;
}

/* Visibility Utilities */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Main Content Area (fills remaining space next to sidebar) */
.main-content {
  flex: 1;
  padding: var(--space-md);
  max-width: 100%;
  overflow-x: hidden;
  background-color: var(--color-bg-muted);
}

/* Page Layout */
.page-layout {
  display: flex;
  min-height: calc(100vh - 60px);
  contain: layout;
}

/* Main column (everything between left sidebar and right edge) */
.page-layout__main {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-width: 0;
  width: 100%;
}

/* Row that contains main content + optional right sidebar */
.page-layout__body {
  display: flex;
  width: 100%;
  min-width: 0;
}

/* Center column (fills remaining space, centers actual content width) */
.page-layout__center {
  flex: 1;
  min-width: 0;
  display: flex;
  justify-content: center;
}

.page-layout__center-inner {
  width: 100%;
  max-width: var(--container-max-width);
}

/* Optional top row (page-level header ad, etc.) */
.page-top {
  width: 100%;
  padding: var(--space-md);
}

/* Responsive Utilities */
@media (max-width: 1024px) {
  .main-content {
    padding: var(--space-md);
  }

  /* Move mobile category buttons below main content so users see content first */
  .page-layout__center-inner {
    display: flex;
    flex-direction: column;
  }

  .mobile-category-buttons {
    order: 2;
  }

  .main-content {
    order: 1;
  }
}

@media (max-width: 768px) {
  .page-top {
    padding: 0;
    margin: 0;
  }

  .main-content {
    padding: var(--space-sm);
  }
  .grid--2,
  .grid--3,
  .grid--4 {
    grid-template-columns: 1fr;
  }
  
  .container {
    padding-left: var(--space-sm);
    padding-right: var(--space-sm);
  }

  /* Mobile: center the whole layout wrapper */
  .page-layout {
    width: fit-content;
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
  }

  .page-layout__main {
    max-width: 100%;
  }

  .page-layout__center-inner {
    max-width: 100%;
  }
}