/*
 * Utilities — sparingly used spacing/flex/grid helpers.
 * Prefer purpose-built component classes over utilities. These exist for
 * the demo page and for one-off layout glue.
 */

@import url('tokens.css');

/* ---------- Display ---------- */
.u-block { display: block; }
.u-inline-block { display: inline-block; }
.u-flex { display: flex; }
.u-inline-flex { display: inline-flex; }
.u-grid { display: grid; }
.u-hidden { display: none; }

/* ---------- Flex ---------- */
.u-flex-col { flex-direction: column; }
.u-flex-row { flex-direction: row; }
.u-items-start { align-items: flex-start; }
.u-items-center { align-items: center; }
.u-items-end { align-items: flex-end; }
.u-justify-start { justify-content: flex-start; }
.u-justify-center { justify-content: center; }
.u-justify-end { justify-content: flex-end; }
.u-justify-between { justify-content: space-between; }
.u-flex-wrap { flex-wrap: wrap; }
.u-flex-1 { flex: 1; min-width: 0; }

/* ---------- Gap ---------- */
.u-gap-1 { gap: var(--space-1); }
.u-gap-2 { gap: var(--space-2); }
.u-gap-3 { gap: var(--space-3); }
.u-gap-4 { gap: var(--space-4); }
.u-gap-6 { gap: var(--space-6); }
.u-gap-8 { gap: var(--space-8); }

/* ---------- Margin ---------- */
.u-m-0 { margin: 0; }
.u-mt-1 { margin-top: var(--space-1); }
.u-mt-2 { margin-top: var(--space-2); }
.u-mt-3 { margin-top: var(--space-3); }
.u-mt-4 { margin-top: var(--space-4); }
.u-mt-6 { margin-top: var(--space-6); }
.u-mt-8 { margin-top: var(--space-8); }
.u-mb-1 { margin-bottom: var(--space-1); }
.u-mb-2 { margin-bottom: var(--space-2); }
.u-mb-3 { margin-bottom: var(--space-3); }
.u-mb-4 { margin-bottom: var(--space-4); }
.u-mb-6 { margin-bottom: var(--space-6); }
.u-mb-8 { margin-bottom: var(--space-8); }

/* ---------- Padding ---------- */
.u-p-0 { padding: 0; }
.u-p-2 { padding: var(--space-2); }
.u-p-3 { padding: var(--space-3); }
.u-p-4 { padding: var(--space-4); }
.u-p-6 { padding: var(--space-6); }

/* ---------- Grid ---------- */
.u-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-6);
}
.u-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-6);
}
.u-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-6);
}

/* ---------- Text ---------- */
.u-text-left { text-align: left; }
.u-text-center { text-align: center; }
.u-text-right { text-align: right; }
.u-truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ---------- Misc ---------- */
.u-w-full { width: 100%; }
.u-h-full { height: 100%; }
.u-relative { position: relative; }
.u-absolute { position: absolute; }