/* ============================================
   UTILITY CLASSES
   ============================================ */

/* ========== CONTAINERS ========== */
.container {
  width: 100%;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--spacing-4xl);
  padding-right: var(--spacing-4xl);
}

.container-sm { max-width: var(--container-sm); }
.container-md { max-width: var(--container-md); }
.container-lg { max-width: var(--container-lg); }
.container-xl { max-width: var(--container-xl); }
.container-2xl { max-width: var(--container-2xl); }

.container-fluid {
  width: 100%;
  padding-left: var(--spacing-4xl);
  padding-right: var(--spacing-4xl);
}

/* ========== SPACING UTILITIES ========== */
/* Margin */
.m-0 { margin: 0; }
.mt-0 { margin-top: 0; }
.mr-0 { margin-right: 0; }
.mb-0 { margin-bottom: 0; }
.ml-0 { margin-left: 0; }

.m-auto { margin: auto; }
.mx-auto { margin-left: auto; margin-right: auto; }
.my-auto { margin-top: auto; margin-bottom: auto; }

/* Padding */
.p-0 { padding: 0; }
.pt-0 { padding-top: 0; }
.pr-0 { padding-right: 0; }
.pb-0 { padding-bottom: 0; }
.pl-0 { padding-left: 0; }

/* Gap */
.gap-xs { gap: var(--spacing-xs); }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }
.gap-xl { gap: var(--spacing-xl); }
.gap-2xl { gap: var(--spacing-2xl); }
.gap-3xl { gap: var(--spacing-3xl); }
.gap-4xl { gap: var(--spacing-4xl); }

/* ========== TYPOGRAPHY UTILITIES ========== */
/* Font Families */
.font-primary { font-family: var(--font-primary); }
.font-secondary { font-family: var(--font-secondary); }
.font-display { font-family: var(--font-display); }
.font-serif { font-family: var(--font-serif); }
.font-inter { font-family: var(--font-inter); }

/* Font Sizes */
.text-xs { font-size: var(--font-size-xs); }
.text-sm { font-size: var(--font-size-sm); }
.text-base { font-size: var(--font-size-base); }
.text-md { font-size: var(--font-size-md); }
.text-lg { font-size: var(--font-size-lg); }
.text-xl { font-size: var(--font-size-xl); }
.text-2xl { font-size: var(--font-size-2xl); }
.text-3xl { font-size: var(--font-size-3xl); }
.text-4xl { font-size: var(--font-size-4xl); }
.text-5xl { font-size: var(--font-size-5xl); }
.text-6xl { font-size: var(--font-size-6xl); }
.text-7xl { font-size: var(--font-size-7xl); }
.text-8xl { font-size: var(--font-size-8xl); }
.text-9xl { font-size: var(--font-size-9xl); }
.text-10xl { font-size: var(--font-size-10xl); }
.text-11xl { font-size: var(--font-size-11xl); }

/* Font Weights */
.font-normal { font-weight: var(--font-weight-normal); }
.font-medium { font-weight: var(--font-weight-medium); }
.font-semibold { font-weight: var(--font-weight-semibold); }
.font-bold { font-weight: var(--font-weight-bold); }
.font-extrabold { font-weight: var(--font-weight-extrabold); }

/* Text Colors */
.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-disabled { color: var(--color-text-disabled); }
.text-orange { color: var(--color-primary); }
.text-gold { color: var(--color-secondary); }
.text-success { color: var(--color-success); }
.text-danger { color: var(--color-danger); }
.text-warning { color: var(--color-warning); }

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

/* Text Transform */
.uppercase { text-transform: uppercase; }
.lowercase { text-transform: lowercase; }
.capitalize { text-transform: capitalize; }

/* Line Height */
.leading-tight { line-height: var(--line-height-tight); }
.leading-normal { line-height: var(--line-height-normal); }
.leading-relaxed { line-height: var(--line-height-relaxed); }
.leading-loose { line-height: var(--line-height-loose); }

/* Letter Spacing */
.tracking-tight { letter-spacing: var(--letter-spacing-tight); }
.tracking-normal { letter-spacing: var(--letter-spacing-normal); }
.tracking-wide { letter-spacing: var(--letter-spacing-wide); }
.tracking-wider { letter-spacing: var(--letter-spacing-wider); }

/* ========== DISPLAY UTILITIES ========== */
.d-block { display: block; }
.d-inline { display: inline; }
.d-inline-block { display: inline-block; }
.d-flex { display: flex; }
.d-grid { display: grid; }
.d-none { display: none; }

/* Flexbox */
.flex-row { flex-direction: row; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.flex-nowrap { flex-wrap: nowrap; }
.items-start { align-items: flex-start; }
.items-center { align-items: center; }
.items-end { align-items: flex-end; }
.justify-start { justify-content: flex-start; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }
.flex-1 { flex: 1; }
.flex-shrink-0 { flex-shrink: 0; }

/* ========== POSITION UTILITIES ========== */
.position-relative { position: relative; }
.position-absolute { position: absolute; }
.position-fixed { position: fixed; }
.position-sticky { position: sticky; }

/* ========== WIDTH & HEIGHT UTILITIES ========== */
.w-full { width: 100%; }
.w-auto { width: auto; }
.h-full { height: 100%; }
.h-auto { height: auto; }
.max-w-full { max-width: 100%; }

/* ========== BACKGROUND UTILITIES ========== */
.bg-primary { background-color: var(--color-bg-primary); }
.bg-secondary { background-color: var(--color-bg-secondary); }
.bg-tertiary { background-color: var(--color-bg-tertiary); }
.bg-card { background-color: var(--color-bg-card); }
.bg-card-dark { background-color: var(--color-bg-card-dark); }
.bg-transparent { background-color: transparent; }

/* ========== BORDER UTILITIES ========== */
.border { border: var(--border-width-base) solid var(--color-border-primary); }
.border-thin { border: var(--border-width-thin) solid var(--color-border-primary); }
.border-gold { border: var(--border-width-thin) solid var(--color-border-gold); }
.border-white { border: var(--border-width-thin) solid var(--color-border-white); }

.rounded-sm { border-radius: var(--radius-sm); }
.rounded-md { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-2xl { border-radius: var(--radius-2xl); }
.rounded-full { border-radius: var(--radius-full); }

/* ========== BUTTON UTILITIES ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md) var(--spacing-2xl);
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-tight);
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
  text-decoration: none;
}

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

.btn-primary:hover {
  background-color: var(--color-primary-hover);
}

.btn-secondary {
  background-color: transparent;
  border: var(--border-width-thin) solid var(--color-secondary);
  color: var(--color-text-primary);
}

.btn-secondary:hover {
  background-color: var(--color-secondary);
  border-color: var(--color-secondary);
}

.btn-outline {
  background-color: transparent;
  border: var(--border-width-thin) solid var(--color-border-primary);
  color: var(--color-text-primary);
}

.btn-outline:hover {
  background-color: var(--color-bg-secondary);
  border-color: var(--color-border-primary);
}

.btn-sm {
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-sm);
}

.btn-lg {
  padding: var(--spacing-lg) var(--spacing-3xl);
  font-size: var(--font-size-lg);
}

.btn:disabled,
.btn[disabled] {
  opacity: 0.6;
  cursor: not-allowed;
}

/* ========== SHADOW UTILITIES ========== */
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }
.shadow-primary { box-shadow: var(--shadow-primary); }
.shadow-text { text-shadow: var(--shadow-text); }

/* ========== OVERFLOW UTILITIES ========== */
.overflow-hidden { overflow: hidden; }
.overflow-x-hidden { overflow-x: hidden; }
.overflow-y-auto { overflow-y: auto; }

/* ========== Z-INDEX UTILITIES ========== */
.z-0 { z-index: var(--z-base); }
.z-10 { z-index: var(--z-dropdown); }
.z-20 { z-index: var(--z-sticky); }
.z-30 { z-index: var(--z-fixed); }
.z-40 { z-index: var(--z-modal-backdrop); }
.z-50 { z-index: var(--z-modal); }

/* ========== VISIBILITY UTILITIES ========== */
.visible { visibility: visible; }
.invisible { visibility: hidden; }
.opacity-0 { opacity: 0; }
.opacity-50 { opacity: 0.5; }
.opacity-100 { opacity: 1; }

/* ========== CURSOR UTILITIES ========== */
.cursor-pointer { cursor: pointer; }
.cursor-not-allowed { cursor: not-allowed; }

/* ========== OBJECT FIT UTILITIES ========== */
.object-cover { object-fit: cover; }
.object-contain { object-fit: contain; }

/* ========== TRANSITION UTILITIES ========== */
.transition { transition: all var(--transition-base); }
.transition-fast { transition: all var(--transition-fast); }
.transition-slow { transition: all var(--transition-slow); }