/* ==========================================================================
   u.cash - Utility Classes
   Spacing, text, visibility, layout helpers, gradients, gold accents.
   ========================================================================== */

/* ---- Padding Utilities ---- */

.p-0 { padding: 0; }
.p-xs { padding: var(--space-xs); }
.p-sm { padding: var(--space-sm); }
.p-md { padding: var(--space-md); }
.p-lg { padding: var(--space-lg); }
.p-xl { padding: var(--space-xl); }
.p-2xl { padding: var(--space-2xl); }

.px-0 { padding-inline: 0; }
.px-xs { padding-inline: var(--space-xs); }
.px-sm { padding-inline: var(--space-sm); }
.px-md { padding-inline: var(--space-md); }
.px-lg { padding-inline: var(--space-lg); }
.px-xl { padding-inline: var(--space-xl); }

.py-0 { padding-block: 0; }
.py-xs { padding-block: var(--space-xs); }
.py-sm { padding-block: var(--space-sm); }
.py-md { padding-block: var(--space-md); }
.py-lg { padding-block: var(--space-lg); }
.py-xl { padding-block: var(--space-xl); }
.py-2xl { padding-block: var(--space-2xl); }
.py-3xl { padding-block: var(--space-3xl); }

.pt-0 { padding-top: 0; }
.pt-md { padding-top: var(--space-md); }
.pt-lg { padding-top: var(--space-lg); }
.pt-xl { padding-top: var(--space-xl); }
.pt-2xl { padding-top: var(--space-2xl); }

.pb-0 { padding-bottom: 0; }
.pb-md { padding-bottom: var(--space-md); }
.pb-lg { padding-bottom: var(--space-lg); }
.pb-xl { padding-bottom: var(--space-xl); }
.pb-2xl { padding-bottom: var(--space-2xl); }

/* ---- Margin Utilities ---- */

.m-0 { margin: 0; }
.m-auto { margin: auto; }

.mx-auto { margin-inline: auto; }
.mx-0 { margin-inline: 0; }

.my-0 { margin-block: 0; }
.my-sm { margin-block: var(--space-sm); }
.my-md { margin-block: var(--space-md); }
.my-lg { margin-block: var(--space-lg); }
.my-xl { margin-block: var(--space-xl); }

.mt-0 { margin-top: 0; }
.mt-xs { margin-top: var(--space-xs); }
.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); }
.mt-2xl { margin-top: var(--space-2xl); }

.mb-0 { margin-bottom: 0; }
.mb-xs { margin-bottom: var(--space-xs); }
.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); }
.mb-2xl { margin-bottom: var(--space-2xl); }

/* ---- Text Utilities ---- */

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

.text-gradient {
  background: linear-gradient(
    135deg,
    var(--color-gold-light),
    var(--color-gold-primary),
    var(--color-gold-dark)
  );
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-gold {
  color: var(--color-gold-primary);
}

.text-gold-light {
  color: var(--color-gold-light);
}

.text-primary {
  color: var(--color-text-primary);
}

.text-secondary {
  color: var(--color-text-secondary);
}

.text-tertiary {
  color: var(--color-text-tertiary);
}

.text-muted {
  color: var(--color-text-muted);
}

.text-xs { font-size: var(--text-xs); }
.text-sm { font-size: var(--text-sm); }
.text-base { font-size: var(--text-base); }
.text-lg { font-size: var(--text-lg); }
.text-xl { font-size: var(--text-xl); }
.text-2xl { font-size: var(--text-2xl); }
.text-3xl { font-size: var(--text-3xl); }
.text-4xl { font-size: var(--text-4xl); }

.font-heading { font-family: var(--font-heading); }
.font-body { font-family: var(--font-body); }
.font-mono { font-family: var(--font-mono); }

.font-light { font-weight: var(--weight-light); }
.font-regular { font-weight: var(--weight-regular); }
.font-medium { font-weight: var(--weight-medium); }
.font-semibold { font-weight: var(--weight-semibold); }
.font-bold { font-weight: var(--weight-bold); }

.tracking-tight { letter-spacing: var(--tracking-tight); }
.tracking-normal { letter-spacing: var(--tracking-normal); }
.tracking-wide { letter-spacing: var(--tracking-wide); }
.tracking-wider { letter-spacing: var(--tracking-wider); }
.tracking-widest { letter-spacing: var(--tracking-widest); }

.uppercase { text-transform: uppercase; }
.lowercase { text-transform: lowercase; }
.capitalize { text-transform: capitalize; }

.leading-none { line-height: var(--leading-none); }
.leading-tight { line-height: var(--leading-tight); }
.leading-snug { line-height: var(--leading-snug); }
.leading-normal { line-height: var(--leading-normal); }
.leading-relaxed { line-height: var(--leading-relaxed); }

/* ---- Truncation ---- */

.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.line-clamp-3 {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ---- Visibility ---- */

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

.not-sr-only {
  position: static;
  width: auto;
  height: auto;
  padding: 0;
  margin: 0;
  overflow: visible;
  clip: auto;
  white-space: normal;
}

.opacity-0 { opacity: 0; }
.opacity-50 { opacity: 0.5; }
.opacity-75 { opacity: 0.75; }
.opacity-100 { opacity: 1; }

.invisible { visibility: hidden; }
.visible { visibility: visible; }

/* ---- Position ---- */

.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }

.inset-0 { inset: 0; }
.top-0 { top: 0; }
.right-0 { right: 0; }
.bottom-0 { bottom: 0; }
.left-0 { left: 0; }

/* ---- Width/Height ---- */

.w-full { width: 100%; }
.h-full { height: 100%; }
.min-h-screen { min-height: 100vh; }

/* ---- Overflow ---- */

.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }
.overflow-x-auto { overflow-x: auto; }

/* ---- Flex/Grid Helpers ---- */

.flex-1 { flex: 1; }
.flex-shrink-0 { flex-shrink: 0; }
.flex-grow { flex-grow: 1; }

.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
.grid-cols-6 { grid-template-columns: repeat(6, 1fr); }

/* ---- Gradient Backgrounds ---- */

.bg-gradient-gold {
  background: linear-gradient(
    135deg,
    var(--color-gold-dark),
    var(--color-gold-primary),
    var(--color-gold-light)
  );
}

.bg-gradient-gold-subtle {
  background: linear-gradient(
    135deg,
    var(--color-gold-subtle),
    transparent
  );
}

.bg-gradient-dark {
  background: linear-gradient(
    180deg,
    var(--color-bg-primary) 0%,
    var(--color-bg-secondary) 100%
  );
}

.bg-gradient-dark-reverse {
  background: linear-gradient(
    0deg,
    var(--color-bg-primary) 0%,
    var(--color-bg-secondary) 100%
  );
}

.bg-gradient-radial-gold {
  background: radial-gradient(
    ellipse at center,
    var(--color-gold-muted) 0%,
    transparent 70%
  );
}

.bg-gradient-mesh {
  background:
    radial-gradient(at 20% 20%, var(--color-gold-subtle) 0%, transparent 50%),
    radial-gradient(at 80% 80%, rgba(204, 153, 51, 0.04) 0%, transparent 50%);
}

/* ---- Gold Accent Borders ---- */

.border-gold {
  border: 1px solid var(--color-gold-primary);
}

.border-gold-bottom {
  border-bottom: 1px solid var(--color-gold-primary);
}

.border-gold-top {
  border-top: 1px solid var(--color-gold-primary);
}

.border-gold-left {
  border-left: 2px solid var(--color-gold-primary);
}

.border-subtle {
  border: 1px solid var(--color-border);
}

.border-subtle-bottom {
  border-bottom: 1px solid var(--color-border);
}

/* ---- Glass Background ---- */

.glass {
  background: var(--color-glass-bg);
  backdrop-filter: blur(var(--blur-lg));
  -webkit-backdrop-filter: blur(var(--blur-lg));
  border: 1px solid var(--color-glass-border);
}

.glass:hover {
  background: var(--color-glass-bg-hover);
  border-color: var(--color-glass-border-hover);
}

/* ---- Divider ---- */

.divider {
  height: 1px;
  background: var(--color-border);
  border: none;
  margin-block: var(--space-xl);
}

.divider-gold {
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--color-gold-primary),
    transparent
  );
  border: none;
  margin-block: var(--space-xl);
}

/* ---- Badge/Pill ---- */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 0.375rem 1rem;
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-gold-muted);
  background: var(--color-gold-subtle);
  color: var(--color-gold-primary);
  white-space: nowrap;
}

/* ---- Aspect Ratio ---- */

.aspect-square {
  aspect-ratio: 1 / 1;
}

.aspect-video {
  aspect-ratio: 16 / 9;
}

/* ---- Pointer Events ---- */

.pointer-events-none {
  pointer-events: none;
}

/* ---- Cursor ---- */

.cursor-pointer {
  cursor: pointer;
}