/* Layout System - Containers, Grid, Flexbox */

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

@media (min-width: 768px) {
  .container {
    padding-left: var(--space-md);
    padding-right: var(--space-md);
  }
}

@media (min-width: 1440px) {
  .container {
    max-width: var(--container-2xl);
  }
}

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

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

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

/* Section Spacing */
section {
  padding-top: var(--space-lg);
  padding-bottom: var(--space-lg);
}

@media (min-width: 768px) {
  section {
    padding-top: var(--space-xl);
    padding-bottom: var(--space-xl);
  }
}

@media (min-width: 1440px) {
  section {
    padding-top: var(--space-2xl);
    padding-bottom: var(--space-2xl);
  }
}

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

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

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

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

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

/* Responsive Grid - Tablet */
@media (min-width: 768px) {
  .md\:grid-cols-2 {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

/* Responsive Grid - Desktop */
@media (min-width: 1024px) {
  .lg\:grid-cols-2 {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

/* Gap Utilities */
.gap-sm {
  gap: var(--space-sm);
}

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

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

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

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

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

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

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

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

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

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

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

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

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

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

.gap-xs {
  gap: var(--space-xs);
}

/* Text Alignment */
.text-left {
  text-align: left;
}

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

.text-right {
  text-align: right;
}

/* Two Column Layout */
.two-col {
  display: grid;
  gap: var(--space-md);
}

@media (min-width: 768px) {
  .two-col {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Main Content Area */
main {
  flex: 1;
  display: flex;
  flex-direction: column;
}