/* ============================================
   NEXUS — Utility Classes (Win95 Style)
   ============================================ */

/* ── Display ── */
.hidden { display: none; }
.block { display: block; }
.inline-block { display: inline-block; }

/* ── Position ── */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; top: 0; }

/* ── Overflow ── */
.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }

/* ── Width ── */
.w-full { width: 100%; }
.w-auto { width: auto; }

/* ── Text Alignment ── */
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }

/* ── Text Colors ── */
.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-tertiary { color: var(--text-tertiary); }
.text-muted { color: var(--text-muted); }
.text-cyan { color: var(--primary); }
.text-green { color: var(--secondary); }
.text-warning { color: var(--warning); }
.text-danger { color: var(--danger); }

/* ── Spacing ── */
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.mx-auto { margin-inline: auto; }

/* ── Badge / Tag ── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  border: 3px solid;
  border-color: #505050 #000000 #000000 #505050;
  background: var(--surface-1);
  color: var(--text-tertiary);
}

.badge--primary {
  background: rgba(0, 229, 255, 0.1);
  border-color: rgba(0, 229, 255, 0.3);
  color: var(--primary);
}

.badge--secondary {
  background: rgba(74, 222, 128, 0.1);
  border-color: rgba(74, 222, 128, 0.3);
  color: var(--secondary);
}

.badge--danger {
  background: rgba(239, 68, 68, 0.1);
  border-color: rgba(239, 68, 68, 0.3);
  color: var(--danger);
}

/* ── Button ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  border: 3px solid;
  border-color: #505050 #000000 #000000 #505050;
  background: var(--surface-2);
  color: var(--text-primary);
  cursor: pointer;
  transition: none;
  white-space: nowrap;
}

.btn:active {
  border-color: #000000 #505050 #505050 #000000;
  padding: calc(var(--space-sm) + 1px) calc(var(--space-lg) - 1px);
}

.btn--primary {
  background: var(--win95-blue);
  color: #FFFFFF;
  border-color: #505050 #000000 #000000 #505050;
}

.btn--primary:active {
  border-color: #000000 #505050 #505050 #000000;
}

.btn--ghost {
  background: var(--surface-1);
  border-color: #505050 #000000 #000000 #505050;
}

.btn--sm {
  padding: var(--space-xs) var(--space-md);
  font-size: 0.8125rem;
}

.btn--lg {
  padding: var(--space-md) var(--space-xl);
  font-size: 0.9375rem;
}

/* ── Card Base ── */
.card {
  background: var(--surface-1);
  border: 3px solid;
  border-color: #505050 #000000 #000000 #505050;
  padding: var(--space-xl);
  transition: none;
}

.card:hover {
  border-color: #000000 #505050 #505050 #000000;
}

/* ── Glow Border (disabled in Win95) ── */
.glow-border {
  position: relative;
}

.glow-border::before {
  display: none;
}

/* ── Scrollbar (Win95 style) ── */
::-webkit-scrollbar {
  width: 16px;
  height: 16px;
}

::-webkit-scrollbar-track {
  background: repeating-conic-gradient(#C0C0C0 0% 25%, #FFFFFF 0% 50%) 50% / 2px 2px;
}

::-webkit-scrollbar-thumb {
  background: #C0C0C0;
  border: 3px solid;
  border-color: #FFFFFF #808080 #808080 #FFFFFF;
}

::-webkit-scrollbar-thumb:hover {
  background: #D0D0D0;
}

::-webkit-scrollbar-button {
  display: block;
  width: 16px;
  height: 16px;
  background: #C0C0C0;
  border: 3px solid;
  border-color: #FFFFFF #808080 #808080 #FFFFFF;
}

/* ── Text Icon ── */
.text-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--primary);
  background: var(--surface-2);
  border: 2px solid;
  border-color: #000000 #505050 #505050 #000000;
  flex-shrink: 0;
}

.text-icon--sm {
  width: 28px;
  height: 28px;
  font-size: 0.5625rem;
}

.project-card__image .text-icon {
  width: 72px;
  height: 72px;
  font-size: 1.25rem;
}

/* ── No Select ── */
.no-select {
  user-select: none;
  -webkit-user-select: none;
}

/* ── Truncate ── */
.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ── Skip Link (Accessibility) ── */
.skip-link {
  position: fixed;
  top: -100%;
  left: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  background: var(--win95-blue);
  color: #FFFFFF;
  font-weight: 600;
  z-index: var(--z-tooltip);
  transition: top var(--duration-fast);
  border: 3px solid;
  border-color: #505050 #000000 #000000 #505050;
}

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