/* Layout System - Containers, Grid, Flex Utilities */

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

.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);
}

.container-narrow {
  max-width: var(--container-narrow);
}

.container-wide {
  max-width: var(--container-wide);
}

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

/* Responsive Container Padding */
@media (max-width: 767px) {
  :root {
    --container-padding: var(--space-md);
  }
}

/* ========================================
   GRID SYSTEM
   ======================================== */

.grid {
  display: grid;
  gap: var(--grid-gap-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 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

/* Responsive Grid - Mobile First */
@media (max-width: 767px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .grid-3,
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Grid Gaps */
.grid-gap-sm {
  gap: var(--grid-gap-sm);
}

.grid-gap-md {
  gap: var(--grid-gap-md);
}

.grid-gap-lg {
  gap: var(--grid-gap-lg);
}

.grid-gap-xl {
  gap: var(--grid-gap-xl);
}

/* ========================================
   FLEXBOX UTILITIES
   ======================================== */

.flex {
  display: flex;
}

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

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

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

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

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

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

.flex-grow {
  flex-grow: 1;
}

.flex-shrink-0 {
  flex-shrink: 0;
}

/* Flex Gaps */
.flex-gap-sm {
  gap: var(--space-sm);
}

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

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

/* ========================================
   SPACING UTILITIES
   ======================================== */

/* Margin */
.m-0 { margin: 0; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }

.m-sm { margin: var(--space-sm); }
.mt-sm { margin-top: var(--space-sm); }
.mb-sm { margin-bottom: var(--space-sm); }

.m-md { margin: var(--space-md); }
.mt-md { margin-top: var(--space-md); }
.mb-md { margin-bottom: var(--space-md); }

.m-lg { margin: var(--space-lg); }
.mt-lg { margin-top: var(--space-lg); }
.mb-lg { margin-bottom: var(--space-lg); }

.m-xl { margin: var(--space-xl); }
.mt-xl { margin-top: var(--space-xl); }
.mb-xl { margin-bottom: var(--space-xl); }

.m-xxl { margin: var(--space-xxl); }
.mt-xxl { margin-top: var(--space-xxl); }
.mb-xxl { margin-bottom: var(--space-xxl); }

/* Padding */
.p-0 { padding: 0; }

.p-sm { padding: var(--space-sm); }
.p-md { padding: var(--space-md); }
.p-lg { padding: var(--space-lg); }
.p-xl { padding: var(--space-xl); }
.p-xxl { padding: var(--space-xxl); }

/* Padding Vertical/Horizontal */
.py-sm { padding-top: var(--space-sm); padding-bottom: var(--space-sm); }
.py-md { padding-top: var(--space-md); padding-bottom: var(--space-md); }
.py-lg { padding-top: var(--space-lg); padding-bottom: var(--space-lg); }
.py-xl { padding-top: var(--space-xl); padding-bottom: var(--space-xl); }
.py-xxl { padding-top: var(--space-xxl); padding-bottom: var(--space-xxl); }
.py-xxxl { padding-top: var(--space-xxxl); padding-bottom: var(--space-xxxl); }

.px-sm { padding-left: var(--space-sm); padding-right: var(--space-sm); }
.px-md { padding-left: var(--space-md); padding-right: var(--space-md); }
.px-lg { padding-left: var(--space-lg); padding-right: var(--space-lg); }

/* ========================================
   DISPLAY UTILITIES
   ======================================== */

.hidden {
  display: none;
}

.block {
  display: block;
}

.inline-block {
  display: inline-block;
}

/* Responsive Display */
@media (max-width: 767px) {
  .hidden-mobile {
    display: none;
  }
}

@media (min-width: 768px) {
  .hidden-desktop {
    display: none;
  }
}

/* ========================================
   WIDTH UTILITIES
   ======================================== */

.w-full {
  width: 100%;
}

.w-auto {
  width: auto;
}

.max-w-full {
  max-width: 100%;
}

/* ========================================
   HEIGHT UTILITIES
   ======================================== */

.h-full {
  height: 100%;
}

.h-screen {
  min-height: 100vh;
}

/* ========================================
   POSITION UTILITIES
   ======================================== */

.relative {
  position: relative;
}

.absolute {
  position: absolute;
}

.fixed {
  position: fixed;
}

.sticky {
  position: sticky;
  top: 0;
}