/* Utility classes */
.flex {
  display: flex;
}
.flex-col {
  flex-direction: column;
}
.items-center {
  align-items: center;
}
.justify-center {
  justify-content: center;
}
.justify-between {
  justify-content: space-between;
}
.gap-4 {
  gap: var(--space-4);
}
.gap-8 {
  gap: var(--space-8);
}
.gap-12 {
  gap: var(--space-12);
}
.gap-16 {
  gap: var(--space-16);
}

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

.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-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); }

.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); }

/* Color utilities */
.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--color-text-secondary); }
.text-white { color: var(--color-white); }
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }
.text-error { color: var(--color-error); }

.bg-primary { background-color: var(--color-primary); }
.bg-surface { background-color: var(--color-surface); }
.bg-white { background-color: var(--color-white); }

/* Spacing utilities */
.m-0 { margin: 0; }
.m-4 { margin: var(--space-4); }
.m-8 { margin: var(--space-8); }
.m-12 { margin: var(--space-12); }
.m-16 { margin: var(--space-16); }
.m-20 { margin: var(--space-20); }
.m-24 { margin: var(--space-24); }

.mt-0 { margin-top: 0; }
.mt-4 { margin-top: var(--space-4); }
.mt-8 { margin-top: var(--space-8); }
.mt-12 { margin-top: var(--space-12); }
.mt-16 { margin-top: var(--space-16); }
.mt-20 { margin-top: var(--space-20); }
.mt-24 { margin-top: var(--space-24); }

.mb-0 { margin-bottom: 0; }
.mb-4 { margin-bottom: var(--space-4); }
.mb-8 { margin-bottom: var(--space-8); }
.mb-12 { margin-bottom: var(--space-12); }
.mb-16 { margin-bottom: var(--space-16); }
.mb-20 { margin-bottom: var(--space-20); }
.mb-24 { margin-bottom: var(--space-24); }

.p-0 { padding: 0; }
.p-4 { padding: var(--space-4); }
.p-8 { padding: var(--space-8); }
.p-12 { padding: var(--space-12); }
.p-16 { padding: var(--space-16); }
.p-20 { padding: var(--space-20); }
.p-24 { padding: var(--space-24); }

/* Border utilities */
.border { border: 1px solid var(--color-border); }
.border-t { border-top: 1px solid var(--color-border); }
.border-b { border-bottom: 1px solid var(--color-border); }
.border-l { border-left: 1px solid var(--color-border); }
.border-r { border-right: 1px solid var(--color-border); }

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

/* Shadow utilities */
.shadow-xs { box-shadow: var(--shadow-xs); }
.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); }

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

/* Position utilities */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }

/* Overflow utilities */
.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }
.overflow-x-hidden { overflow-x: hidden; }
.overflow-y-auto { overflow-y: auto; }

/* Z-index utilities */
.z-10 { z-index: 10; }
.z-20 { z-index: 20; }
.z-30 { z-index: 30; }
.z-40 { z-index: 40; }
.z-50 { z-index: 50; }

/* Cursor utilities */
.cursor-pointer { cursor: pointer; }
.cursor-default { cursor: default; }
.cursor-not-allowed { cursor: not-allowed; }

/* User select utilities */
.select-none { user-select: none; }
.select-text { user-select: text; }
.select-all { user-select: all; }

/* Transition utilities */
.transition { transition: all var(--duration-normal) var(--ease-standard); }
.transition-colors { transition: color var(--duration-normal) var(--ease-standard), background-color var(--duration-normal) var(--ease-standard); }
.transition-transform { transition: transform var(--duration-normal) var(--ease-standard); }

/* Transform utilities */
.scale-95 { transform: scale(0.95); }
.scale-100 { transform: scale(1); }
.scale-105 { transform: scale(1.05); }
.scale-110 { transform: scale(1.1); }

.rotate-45 { transform: rotate(45deg); }
.rotate-90 { transform: rotate(90deg); }
.rotate-180 { transform: rotate(180deg); }

/* Opacity utilities */
.opacity-0 { opacity: 0; }
.opacity-25 { opacity: 0.25; }
.opacity-50 { opacity: 0.5; }
.opacity-75 { opacity: 0.75; }
.opacity-100 { opacity: 1; }

/* Responsive Display Utilities */
@media (max-width: 480px) {
  .mobile-hidden { display: none !important; }
  .mobile-block { display: block !important; }
  .mobile-flex { display: flex !important; }
  .mobile-grid { display: grid !important; }
  .mobile-text-center { text-align: center; }
  .mobile-w-full { width: 100%; }
  .mobile-flex-col { flex-direction: column; }
  .mobile-gap-sm { gap: var(--space-12); }
  .mobile-p-12 { padding: var(--space-12); }
}

@media (min-width: 481px) {
  .sm-hidden { display: none !important; }
  .sm-block { display: block !important; }
  .sm-flex { display: flex !important; }
  .sm-grid { display: grid !important; }
  .sm-flex-row { flex-direction: row; }
  .sm-flex-col { flex-direction: column; }
  .sm-text-left { text-align: left; }
  .sm-text-center { text-align: center; }
  .sm-text-right { text-align: right; }
  .sm-p-16 { padding: var(--space-16); }
  .sm-p-20 { padding: var(--space-20); }
  .sm-gap-16 { gap: var(--space-16); }
  .sm-gap-20 { gap: var(--space-20); }
  .sm-w-half { width: 50%; }
  .sm-w-third { width: 33.333333%; }
  .sm-w-two-thirds { width: 66.666667%; }
}

@media (min-width: 769px) {
  .md-hidden { display: none !important; }
  .md-block { display: block !important; }
  .md-flex { display: flex !important; }
  .md-grid { display: grid !important; }
  .md-flex-row { flex-direction: row; }
  .md-flex-col { flex-direction: column; }
  .md-text-left { text-align: left; }
  .md-text-center { text-align: center; }
  .md-text-right { text-align: right; }
  .md-justify-start { justify-content: flex-start; }
  .md-justify-center { justify-content: center; }
  .md-justify-between { justify-content: space-between; }
  .md-p-24 { padding: var(--space-24); }
  .md-p-32 { padding: var(--space-32); }
  .md-gap-24 { gap: var(--space-24); }
  .md-gap-32 { gap: var(--space-32); }
  .md-w-quarter { width: 25%; }
  .md-w-three-quarters { width: 75%; }
  .md-w-auto { width: auto; }
}

@media (min-width: 1025px) {
  .lg-hidden { display: none !important; }
  .lg-block { display: block !important; }
  .lg-flex { display: flex !important; }
  .lg-grid { display: grid !important; }
  .lg-flex-row { flex-direction: row; }
  .lg-flex-col { flex-direction: column; }
}

@media (min-width: 1281px) {
  .xl-hidden { display: none !important; }
  .xl-block { display: block !important; }
  .xl-flex { display: flex !important; }
  .xl-grid { display: grid !important; }
}