/* ==============================================
   UTILITIES: Single-purpose helper classes
   All !important usage here is intentional — utilities must always win.
   ============================================== */

/* --- Accessibility --- */

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

/* Skip link — first focusable element in body */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  z-index: var(--z-toast);
  padding: var(--space-3) var(--space-6);
  background: var(--color-vitality-orange);
  color: var(--color-clinical-white) !important;
  font-family: var(--font-family-base);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-bold);
  border-radius: var(--radius-md);
  transition: top var(--transition-fast);
  text-decoration: none;
}

.skip-link:focus {
  top: var(--space-4);
}

/* --- Text utilities --- */

.text-center  { text-align: center !important; }
.text-left    { text-align: left !important; }
.text-right   { text-align: right !important; }

.text-white   { color: var(--color-clinical-white) !important; }
.text-blue    { color: var(--color-innovation-blue) !important; }
.text-orange  { color: var(--color-vitality-orange) !important; }
.text-muted   { color: var(--color-text-secondary) !important; }

/* --- Display utilities --- */

.hidden { display: none !important; }

/* --- Spacing utility --- */

.mt-auto { margin-top: auto !important; }