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

/* Base grid */
.grid {
  display: grid;
  gap: var(--spacing-6);
}

/* Grid columns */
.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); }
.grid-cols-5 { grid-template-columns: repeat(5, 1fr); }
.grid-cols-6 { grid-template-columns: repeat(6, 1fr); }

/* Responsive grid */
@media (min-width: 640px) {
  .grid-cols-sm-1 { grid-template-columns: repeat(1, 1fr); }
  .grid-cols-sm-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-cols-sm-3 { grid-template-columns: repeat(3, 1fr); }
}

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

@media (min-width: 1024px) {
  .grid-cols-lg-1 { grid-template-columns: repeat(1, 1fr); }
  .grid-cols-lg-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-cols-lg-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-cols-lg-4 { grid-template-columns: repeat(4, 1fr); }
}

/* Gap utilities */
.gap-0 { gap: 0; }
.gap-1 { gap: var(--spacing-1); }
.gap-2 { gap: var(--spacing-2); }
.gap-3 { gap: var(--spacing-3); }
.gap-4 { gap: var(--spacing-4); }
.gap-5 { gap: var(--spacing-5); }
.gap-6 { gap: var(--spacing-6); }
.gap-8 { gap: var(--spacing-8); }
.gap-10 { gap: var(--spacing-10); }
.gap-12 { gap: var(--spacing-12); }

/* Auto-fit grids */
.grid-auto-fit {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-auto-fill {
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

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

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

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

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

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

/* Alignment */
.justify-start { justify-content: flex-start; }
.justify-end { justify-content: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }
.justify-evenly { justify-content: space-evenly; }

.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.items-center { align-items: center; }
.items-baseline { align-items: baseline; }
.items-stretch { align-items: stretch; }

/* Flex item sizing */
.flex-1 { flex: 1 1 0%; }
.flex-auto { flex: 1 1 auto; }
.flex-initial { flex: 0 1 auto; }
.flex-none { flex: none; }

/* Responsive flex */
@media (max-width: 768px) {
  .flex-column-mobile {
    flex-direction: column;
  }
}