/* ============================================================
   SciMynd Layout Utilities
   Containers, grids, flex helpers, responsive
   ============================================================ */

.container       { max-width: var(--max-content); margin: 0 auto; padding: 0 var(--space-6); }
.container-narrow { max-width: var(--max-narrow); margin: 0 auto; padding: 0 var(--space-6); }
.container-wide  { max-width: var(--max-wide);    margin: 0 auto; padding: 0 var(--space-6); }

/* Grids */
.grid { display: grid; gap: var(--space-4); }
.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-6 { grid-template-columns: repeat(6, 1fr); }

/* Flex */
.flex         { display: flex; }
.flex-col     { display: flex; 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-wrap    { flex-wrap: wrap; }
.flex-1       { flex: 1; }
.items-center { align-items: center; }
.items-start  { align-items: flex-start; }
.gap-1 { gap: var(--space-1); } .gap-2 { gap: var(--space-2); } .gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); } .gap-5 { gap: var(--space-5); } .gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* Spacing helpers */
.mt-0 { margin-top: 0; }
.mt-2 { margin-top: var(--space-2); } .mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); } .mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); } .mt-10 { margin-top: var(--space-10); }
.mb-2 { margin-bottom: var(--space-2); } .mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); } .mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.p-4 { padding: var(--space-4); } .p-5 { padding: var(--space-5); } .p-6 { padding: var(--space-6); }

/* Text */
.text-center { text-align: center; }
.text-right  { text-align: right; }
.text-muted  { color: var(--color-text-muted); }
.text-secondary { color: var(--color-text-secondary); }
.text-accent { color: var(--color-accent-text); }
.text-sm { font-size: var(--font-sm); }
.text-xs { font-size: var(--font-xs); }
.text-lg { font-size: var(--font-lg); }

/* Truncation */
.truncate-1 { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.truncate-2 { overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.truncate-3 { overflow: hidden; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; }

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

.hidden { display: none !important; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(3, 1fr); }
  .grid-6 { grid-template-columns: repeat(3, 1fr); }
  .hide-tablet { display: none !important; }
}

@media (max-width: 768px) {
  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-6 { grid-template-columns: repeat(2, 1fr); }
  .hide-mobile { display: none !important; }
  .container, .container-narrow, .container-wide { padding: 0 var(--space-4); }
}

@media (max-width: 480px) {
  .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }
}