/* === Flexbox & Layout === */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-row { flex-direction: row; }
.flex-wrap { flex-wrap: wrap; }
.flex-1 { flex: 1 1 0%; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.gap-x-6 { column-gap: 1.5rem; }
.gap-y-2 { row-gap: 0.5rem; }
.gap-x-8 { column-gap: 2rem; }
.flex-shrink-0 { flex-shrink: 0; }

/* === Width & Height === */
.w-4 { width: 1rem; }
.w-8 { width: 2rem; }
.w-10 { width: 2.5rem; }
.w-16 { width: 4rem; }
.w-32 { width: 8rem; }
.h-4 { height: 1rem; }
.h-8 { height: 2rem; }
.h-10 { height: 2.5rem; }
.h-16 { height: 4rem; }
.h-32 { height: 8rem; }

/* === Grid === */
.grid { display: grid; }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.sm\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.lg\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.xl\:grid-cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }

/* === Spacing (Margin / Padding) === */
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-5 { margin-top: 1.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-5 { margin-bottom: 1.25rem; }

/* === Typography === */
.text-sm { font-size: 0.875rem; line-height: 1.25rem; }
.text-base { font-size: 1rem; line-height: 1.5rem; }
.text-md { font-size: 1.125rem; line-height: 1.5rem; }
.text-lg { font-size: 1.125rem; line-height: 1.75rem; }
.text-xl { font-size: 1.25rem; line-height: 1.75rem; }
.text-2xl { font-size: 1.5rem; line-height: 2rem; }
.text-3xl { font-size: 1.875rem; line-height: 2.25rem; }

.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

/* === Colors === */
.text-gray-400 { color: oklch(70.7% 0.022 261.325); }
.text-gray-500 { color: oklch(55.1% 0.022 261.325); }
.text-gray-800 { color: oklch(27.8% 0.033 256.848); }

/* Dark mode variants */
.dark .dark\:text-gray-400 { color: #9ca3af; }

/* === Borders & Divider === */
hr { border: none; border-top: 1px solid currentColor; opacity: 0.2; }
.block { display: block; }

/* === Responsive helpers (breakpoints) === */
@media (min-width: 640px) {
  .sm\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (min-width: 1024px) {
  .lg\:flex-row { flex-direction: row; }
  .lg\:items-center { align-items: center; }
  .lg\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .lg\:hidden { display: none; }
}
@media (min-width: 1280px) {
  .xl\:grid-cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
}