/**
 * INKEGG Design System - Utility Classes
 * Single-purpose utility classes for rapid development
 */

/* ===== DISPLAY UTILITIES ===== */
.u-block { display: block !important; }
.u-inline { display: inline !important; }
.u-inline-block { display: inline-block !important; }
.u-flex { display: flex !important; }
.u-inline-flex { display: inline-flex !important; }
.u-grid { display: grid !important; }
.u-hidden { display: none !important; }
.u-visible { display: block !important; }

/* ===== FLEX UTILITIES ===== */
.u-flex-row { flex-direction: row !important; }
.u-flex-column { flex-direction: column !important; }
.u-flex-wrap { flex-wrap: wrap !important; }
.u-flex-nowrap { flex-wrap: nowrap !important; }
.u-flex-justify-start { justify-content: flex-start !important; }
.u-flex-justify-end { justify-content: flex-end !important; }
.u-flex-justify-center { justify-content: center !important; }
.u-flex-justify-between { justify-content: space-between !important; }
.u-flex-align-start { align-items: flex-start !important; }
.u-flex-align-end { align-items: flex-end !important; }
.u-flex-align-center { align-items: center !important; }
.u-flex-align-stretch { align-items: stretch !important; }
.u-flex-1 { flex: 1 !important; }

/* ===== GRID UTILITIES ===== */
.u-grid-cols-1 { grid-template-columns: repeat(1, 1fr) !important; }
.u-grid-cols-2 { grid-template-columns: repeat(2, 1fr) !important; }
.u-grid-cols-3 { grid-template-columns: repeat(3, 1fr) !important; }
.u-grid-cols-4 { grid-template-columns: repeat(4, 1fr) !important; }
.u-gap-xs { gap: var(--space-xs) !important; }
.u-gap-sm { gap: var(--space-sm) !important; }
.u-gap-md { gap: var(--space-md) !important; }
.u-gap-lg { gap: var(--space-lg) !important; }

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

/* ===== SPACING UTILITIES ===== */
/* Margin */
.u-m-0 { margin: 0 !important; }
.u-m-xs { margin: var(--space-xs) !important; }
.u-m-sm { margin: var(--space-sm) !important; }
.u-m-md { margin: var(--space-md) !important; }
.u-m-lg { margin: var(--space-lg) !important; }
.u-m-xl { margin: var(--space-xl) !important; }

/* Margin Top */
.u-mt-0 { margin-top: 0 !important; }
.u-mt-xs { margin-top: var(--space-xs) !important; }
.u-mt-sm { margin-top: var(--space-sm) !important; }
.u-mt-md { margin-top: var(--space-md) !important; }
.u-mt-lg { margin-top: var(--space-lg) !important; }
.u-mt-xl { margin-top: var(--space-xl) !important; }

/* Margin Bottom */
.u-mb-0 { margin-bottom: 0 !important; }
.u-mb-xs { margin-bottom: var(--space-xs) !important; }
.u-mb-sm { margin-bottom: var(--space-sm) !important; }
.u-mb-md { margin-bottom: var(--space-md) !important; }
.u-mb-lg { margin-bottom: var(--space-lg) !important; }
.u-mb-xl { margin-bottom: var(--space-xl) !important; }

/* Margin Left */
.u-ml-auto { margin-left: auto !important; }
.u-ml-0 { margin-left: 0 !important; }
.u-ml-xs { margin-left: var(--space-xs) !important; }
.u-ml-sm { margin-left: var(--space-sm) !important; }
.u-ml-md { margin-left: var(--space-md) !important; }

/* Margin Right */
.u-mr-auto { margin-right: auto !important; }
.u-mr-0 { margin-right: 0 !important; }
.u-mr-xs { margin-right: var(--space-xs) !important; }
.u-mr-sm { margin-right: var(--space-sm) !important; }
.u-mr-md { margin-right: var(--space-md) !important; }

/* Padding */
.u-p-0 { padding: 0 !important; }
.u-p-xs { padding: var(--space-xs) !important; }
.u-p-sm { padding: var(--space-sm) !important; }
.u-p-md { padding: var(--space-md) !important; }
.u-p-lg { padding: var(--space-lg) !important; }
.u-p-xl { padding: var(--space-xl) !important; }

/* Padding Top */
.u-pt-0 { padding-top: 0 !important; }
.u-pt-xs { padding-top: var(--space-xs) !important; }
.u-pt-sm { padding-top: var(--space-sm) !important; }
.u-pt-md { padding-top: var(--space-md) !important; }
.u-pt-lg { padding-top: var(--space-lg) !important; }

/* Padding Bottom */
.u-pb-0 { padding-bottom: 0 !important; }
.u-pb-xs { padding-bottom: var(--space-xs) !important; }
.u-pb-sm { padding-bottom: var(--space-sm) !important; }
.u-pb-md { padding-bottom: var(--space-md) !important; }
.u-pb-lg { padding-bottom: var(--space-lg) !important; }

/* ===== TEXT UTILITIES ===== */
.u-text-left { text-align: left !important; }
.u-text-center { text-align: center !important; }
.u-text-right { text-align: right !important; }
.u-text-justify { text-align: justify !important; }

.u-text-uppercase { text-transform: uppercase !important; }
.u-text-lowercase { text-transform: lowercase !important; }
.u-text-capitalize { text-transform: capitalize !important; }

.u-text-bold { font-weight: var(--font-weight-bold) !important; }
.u-text-normal { font-weight: var(--font-weight-normal) !important; }

.u-text-xs { font-size: var(--font-size-xs) !important; }
.u-text-sm { font-size: var(--font-size-sm) !important; }
.u-text-md { font-size: var(--font-size-md) !important; }
.u-text-lg { font-size: var(--font-size-lg) !important; }
.u-text-xl { font-size: var(--font-size-xl) !important; }

.u-text-italic { font-style: italic !important; }
.u-text-no-wrap { white-space: nowrap !important; }
.u-text-truncate {
  overflow: hidden !important;
  text-overflow: ellipsis !important;
  white-space: nowrap !important;
}

/* ===== COLOR UTILITIES ===== */
/* Text Colors */
.u-text-green { color: var(--color-terminal-green) !important; }
.u-text-pink { color: var(--color-cyberpunk-pink) !important; }
.u-text-pink-light { color: var(--color-pink-light) !important; }
.u-text-white { color: var(--color-text-white) !important; }
.u-text-muted { color: var(--color-text-muted) !important; }
.u-text-error { color: var(--color-text-error) !important; }
.u-text-success { color: var(--color-text-success) !important; }
.u-text-warning { color: var(--color-text-warning) !important; }

/* Background Colors */
.u-bg-primary { background-color: var(--color-bg-primary) !important; }
.u-bg-dark { background-color: var(--color-bg-dark) !important; }
.u-bg-black { background-color: var(--color-bg-black) !important; }
.u-bg-green { background-color: var(--color-terminal-green) !important; }
.u-bg-pink { background-color: var(--color-cyberpunk-pink) !important; }
.u-bg-transparent { background-color: transparent !important; }

/* ===== BORDER UTILITIES ===== */
.u-border { border: var(--border-width-md) solid var(--color-terminal-green) !important; }
.u-border-pink { border: var(--border-width-md) solid var(--color-cyberpunk-pink) !important; }
.u-border-top { border-top: var(--border-width-md) solid var(--color-terminal-green) !important; }
.u-border-bottom { border-bottom: var(--border-width-md) solid var(--color-terminal-green) !important; }
.u-border-none { border: none !important; }

.u-rounded-none { border-radius: var(--border-radius-none) !important; }
.u-rounded-sm { border-radius: var(--border-radius-sm) !important; }
.u-rounded-md { border-radius: var(--border-radius-md) !important; }
.u-rounded-lg { border-radius: var(--border-radius-lg) !important; }
.u-rounded-full { border-radius: var(--border-radius-full) !important; }

/* ===== GLOW UTILITIES ===== */
.u-glow-green { box-shadow: var(--glow-green) !important; }
.u-glow-green-lg { box-shadow: var(--glow-green-lg) !important; }
.u-glow-pink { box-shadow: var(--glow-pink) !important; }
.u-glow-pink-lg { box-shadow: var(--glow-pink-lg) !important; }
.u-glow-text-green { text-shadow: var(--glow-green) !important; }
.u-glow-text-pink { text-shadow: var(--glow-pink) !important; }
.u-shadow-none { box-shadow: none !important; }

/* ===== WIDTH/HEIGHT UTILITIES ===== */
.u-w-full { width: 100% !important; }
.u-w-auto { width: auto !important; }
.u-h-full { height: 100% !important; }
.u-h-auto { height: auto !important; }
.u-min-h-screen { min-height: 100vh !important; }

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

/* ===== POINTER UTILITIES ===== */
.u-pointer { cursor: pointer !important; }
.u-pointer-events-none { pointer-events: none !important; }
.u-pointer-events-auto { pointer-events: auto !important; }

/* ===== OPACITY UTILITIES ===== */
.u-opacity-0 { opacity: 0 !important; }
.u-opacity-25 { opacity: 0.25 !important; }
.u-opacity-50 { opacity: 0.5 !important; }
.u-opacity-75 { opacity: 0.75 !important; }
.u-opacity-100 { opacity: 1 !important; }

/* ===== Z-INDEX UTILITIES ===== */
.u-z-base { z-index: var(--z-base) !important; }
.u-z-dropdown { z-index: var(--z-dropdown) !important; }
.u-z-modal { z-index: var(--z-modal) !important; }
.u-z-toast { z-index: var(--z-toast) !important; }

/* ===== RESPONSIVE UTILITIES ===== */
@media (max-width: 768px) {
  .u-hidden-mobile { display: none !important; }
  .u-visible-mobile { display: block !important; }
  .u-flex-mobile-column { flex-direction: column !important; }
  .u-text-mobile-center { text-align: center !important; }
  .u-grid-mobile-1 { grid-template-columns: repeat(1, 1fr) !important; }
}

@media (min-width: 769px) {
  .u-hidden-desktop { display: none !important; }
  .u-visible-desktop { display: block !important; }
}

/* ===== INTERACTION UTILITIES ===== */
.u-clickable {
  cursor: pointer;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.u-selectable {
  cursor: text;
  user-select: text;
}

.u-no-select {
  user-select: none;
  -webkit-user-select: none;
}

/* ===== ANIMATION UTILITIES ===== */
.u-transition { transition: all var(--transition-normal) !important; }
.u-transition-fast { transition: all var(--transition-fast) !important; }
.u-transition-slow { transition: all var(--transition-slow) !important; }
.u-transition-none { transition: none !important; }

/* Hover transform */
.u-hover-lift:hover {
  transform: translateY(-2px);
}

.u-hover-brutal:hover {
  transform: translate(3px, 3px);
  box-shadow: none;
}

/* ===== LOADING UTILITIES ===== */
.u-loading {
  position: relative;
  pointer-events: none;
  opacity: 0.6;
}

.u-loading::after {
  content: '...';
  position: absolute;
  right: 8px;
  animation: dots 1.5s steps(4, end) infinite;
}

@keyframes dots {
  0%, 20% { content: '.'; }
  40% { content: '..'; }
  60%, 100% { content: '...'; }
}

/* ===== CONTAINER UTILITIES ===== */
.u-container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-md);
  padding-right: var(--space-md);
}

.u-container-sm {
  max-width: 600px;
}

.u-container-lg {
  max-width: 1400px;
}