/* ============================================================================
   LUMENARY GALLERY - UTILITY CLASSES
   Reusable utility classes for rapid development
   ============================================================================ */

/* ========================================
   LAYOUT UTILITIES
   ======================================== */

.container {
  width: 100%;
  max-width: var(--container-xl);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-6);
  padding-right: var(--space-6);
}

.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--full { max-width: 100%; }

/* Flexbox utilities */
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.flex-col { flex-direction: column; }
.flex-row { flex-direction: row; }
.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; }
.items-stretch { align-items: stretch; }

.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; }
.justify-evenly { justify-content: space-evenly; }

.flex-1 { flex: 1 1 0%; }
.flex-auto { flex: 1 1 auto; }
.flex-none { flex: none; }

.gap-0 { gap: var(--space-0); }
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-5 { gap: var(--space-5); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }
.gap-10 { gap: var(--space-10); }
.gap-12 { gap: var(--space-12); }
.gap-16 { gap: var(--space-16); }

/* Grid utilities */
.grid { display: grid; }
.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.grid-cols-12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }

/* ========================================
   SPACING UTILITIES
   ======================================== */

/* Margin */
.m-0 { margin: var(--space-0); }
.m-1 { margin: var(--space-1); }
.m-2 { margin: var(--space-2); }
.m-3 { margin: var(--space-3); }
.m-4 { margin: var(--space-4); }
.m-6 { margin: var(--space-6); }
.m-8 { margin: var(--space-8); }
.m-auto { margin: auto; }

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

.mt-0 { margin-top: var(--space-0); }
.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mt-12 { margin-top: var(--space-12); }
.mt-16 { margin-top: var(--space-16); }

.mb-0 { margin-bottom: var(--space-0); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.mb-12 { margin-bottom: var(--space-12); }
.mb-16 { margin-bottom: var(--space-16); }

.ml-0 { margin-left: var(--space-0); }
.ml-2 { margin-left: var(--space-2); }
.ml-4 { margin-left: var(--space-4); }
.ml-auto { margin-left: auto; }

.mr-0 { margin-right: var(--space-0); }
.mr-2 { margin-right: var(--space-2); }
.mr-4 { margin-right: var(--space-4); }
.mr-auto { margin-right: auto; }

/* Padding */
.p-0 { padding: var(--space-0); }
.p-2 { padding: var(--space-2); }
.p-4 { padding: var(--space-4); }
.p-6 { padding: var(--space-6); }
.p-8 { padding: var(--space-8); }
.p-12 { padding: var(--space-12); }

.px-4 { padding-left: var(--space-4); padding-right: var(--space-4); }
.px-6 { padding-left: var(--space-6); padding-right: var(--space-6); }
.px-8 { padding-left: var(--space-8); padding-right: var(--space-8); }

.py-4 { padding-top: var(--space-4); padding-bottom: var(--space-4); }
.py-6 { padding-top: var(--space-6); padding-bottom: var(--space-6); }
.py-8 { padding-top: var(--space-8); padding-bottom: var(--space-8); }

.pt-0 { padding-top: var(--space-0); }
.pt-4 { padding-top: var(--space-4); }
.pt-8 { padding-top: var(--space-8); }
.pt-12 { padding-top: var(--space-12); }

.pb-0 { padding-bottom: var(--space-0); }
.pb-4 { padding-bottom: var(--space-4); }
.pb-8 { padding-bottom: var(--space-8); }
.pb-12 { padding-bottom: var(--space-12); }

/* ========================================
   TYPOGRAPHY UTILITIES
   ======================================== */

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

.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); }

.font-light { font-weight: var(--font-weight-light); }
.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-black { font-weight: var(--font-weight-black); }

.leading-tight { line-height: var(--line-height-tight); }
.leading-snug { line-height: var(--line-height-snug); }
.leading-normal { line-height: var(--line-height-normal); }
.leading-relaxed { line-height: var(--line-height-relaxed); }
.leading-loose { line-height: var(--line-height-loose); }

.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); }
.tracking-widest { letter-spacing: var(--letter-spacing-widest); }

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

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

.italic { font-style: italic; }
.not-italic { font-style: normal; }

/* ========================================
   COLOR UTILITIES
   ======================================== */

/* Text colors */
.text-primary { color: var(--color-primary-100); }
.text-secondary { color: var(--color-secondary-100); }
.text-accent { color: var(--color-accent-100); }
.text-white { color: var(--color-neutral-100); }
.text-gray { color: var(--color-neutral-70); }
.text-muted { color: var(--color-neutral-60); }

/* Background colors */
.bg-void { background-color: var(--color-void-black); }
.bg-space { background-color: var(--color-deep-space); }
.bg-primary { background-color: var(--color-primary-100); }
.bg-secondary { background-color: var(--color-secondary-100); }
.bg-accent { background-color: var(--color-accent-100); }

/* Glassmorphic backgrounds */
.bg-glass-light { background-color: var(--bg-glass-light); }
.bg-glass-medium { background-color: var(--bg-glass-medium); }
.bg-glass-heavy { background-color: var(--bg-glass-heavy); }

/* Text glow utilities */
.glow-text-primary { text-shadow: var(--text-glow-primary); }
.glow-text-secondary { text-shadow: var(--text-glow-secondary); }
.glow-text-accent { text-shadow: var(--text-glow-accent); }

/* ========================================
   BORDER UTILITIES
   ======================================== */

.border-0 { border-width: var(--border-0); }
.border { border-width: var(--border-1); }
.border-2 { border-width: var(--border-2); }
.border-4 { border-width: var(--border-4); }

.border-primary { border-color: var(--color-primary-100); }
.border-secondary { border-color: var(--color-secondary-100); }
.border-glass { border-color: var(--glass-white-10); }

.rounded-none { border-radius: var(--radius-none); }
.rounded-sm { border-radius: var(--radius-sm); }
.rounded { 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-3xl { border-radius: var(--radius-3xl); }
.rounded-full { border-radius: var(--radius-full); }

/* ========================================
   GLASSMORPHISM UTILITIES
   ======================================== */

.glass {
  background: var(--bg-glass-light);
  backdrop-filter: var(--blur-lg);
  -webkit-backdrop-filter: var(--blur-lg);
}

.glass-heavy {
  background: var(--bg-glass-heavy);
  backdrop-filter: var(--blur-xl);
  -webkit-backdrop-filter: var(--blur-xl);
}

.glass-dark {
  background: var(--bg-glass-dark);
  backdrop-filter: var(--blur-xl);
  -webkit-backdrop-filter: var(--blur-xl);
}

.blur-sm { backdrop-filter: var(--blur-sm); -webkit-backdrop-filter: var(--blur-sm); }
.blur-md { backdrop-filter: var(--blur-md); -webkit-backdrop-filter: var(--blur-md); }
.blur-lg { backdrop-filter: var(--blur-lg); -webkit-backdrop-filter: var(--blur-lg); }
.blur-xl { backdrop-filter: var(--blur-xl); -webkit-backdrop-filter: var(--blur-xl); }
.blur-2xl { backdrop-filter: var(--blur-2xl); -webkit-backdrop-filter: var(--blur-2xl); }

/* ========================================
   SHADOW & GLOW UTILITIES
   ======================================== */

.shadow-none { box-shadow: none; }
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }
.shadow-2xl { box-shadow: var(--shadow-2xl); }

.shadow-glass-sm { box-shadow: var(--shadow-glass-sm); }
.shadow-glass-md { box-shadow: var(--shadow-glass-md); }
.shadow-glass-lg { box-shadow: var(--shadow-glass-lg); }

.glow-sm { box-shadow: var(--glow-primary-sm); }
.glow-md { box-shadow: var(--glow-primary-md); }
.glow-lg { box-shadow: var(--glow-primary-lg); }
.glow-xl { box-shadow: var(--glow-primary-xl); }

.glow-secondary-sm { box-shadow: var(--glow-secondary-sm); }
.glow-secondary-md { box-shadow: var(--glow-secondary-md); }

.glow-accent-sm { box-shadow: var(--glow-accent-sm); }
.glow-accent-md { box-shadow: var(--glow-accent-md); }

/* ========================================
   OPACITY UTILITIES
   ======================================== */

.opacity-0 { opacity: var(--opacity-0); }
.opacity-10 { opacity: var(--opacity-10); }
.opacity-20 { opacity: var(--opacity-20); }
.opacity-30 { opacity: var(--opacity-30); }
.opacity-40 { opacity: var(--opacity-40); }
.opacity-50 { opacity: var(--opacity-50); }
.opacity-60 { opacity: var(--opacity-60); }
.opacity-70 { opacity: var(--opacity-70); }
.opacity-80 { opacity: var(--opacity-80); }
.opacity-90 { opacity: var(--opacity-90); }
.opacity-100 { opacity: var(--opacity-100); }

/* ========================================
   POSITION UTILITIES
   ======================================== */

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

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

/* Z-index */
.z-0 { z-index: var(--z-base); }
.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; }
.z-dropdown { z-index: var(--z-dropdown); }
.z-sticky { z-index: var(--z-sticky); }
.z-fixed { z-index: var(--z-fixed); }
.z-modal { z-index: var(--z-modal); }

/* ========================================
   DISPLAY UTILITIES
   ======================================== */

.block { display: block; }
.inline-block { display: inline-block; }
.inline { display: inline; }
.hidden { display: none; }

/* ========================================
   OVERFLOW UTILITIES
   ======================================== */

.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }
.overflow-scroll { overflow: scroll; }
.overflow-visible { overflow: visible; }

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

/* ========================================
   WIDTH & HEIGHT UTILITIES
   ======================================== */

.w-full { width: 100%; }
.w-auto { width: auto; }
.w-screen { width: 100vw; }

.h-full { height: 100%; }
.h-auto { height: auto; }
.h-screen { height: 100vh; }

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

.max-w-xs { max-width: var(--container-xs); }
.max-w-sm { max-width: var(--container-sm); }
.max-w-md { max-width: var(--container-md); }
.max-w-lg { max-width: var(--container-lg); }
.max-w-xl { max-width: var(--container-xl); }
.max-w-2xl { max-width: var(--container-2xl); }
.max-w-full { max-width: 100%; }
.max-w-none { max-width: none; }

/* ========================================
   ASPECT RATIO UTILITIES
   ======================================== */

.aspect-square { aspect-ratio: 1 / 1; }
.aspect-video { aspect-ratio: 16 / 9; }
.aspect-portrait { aspect-ratio: 3 / 4; }

/* ========================================
   OBJECT FIT UTILITIES
   ======================================== */

.object-contain { object-fit: contain; }
.object-cover { object-fit: cover; }
.object-fill { object-fit: fill; }
.object-none { object-fit: none; }

/* ========================================
   CURSOR UTILITIES
   ======================================== */

.cursor-auto { cursor: auto; }
.cursor-pointer { cursor: pointer; }
.cursor-not-allowed { cursor: not-allowed; }
.cursor-move { cursor: move; }

/* ========================================
   USER SELECT UTILITIES
   ======================================== */

.select-none { user-select: none; }
.select-text { user-select: text; }
.select-all { user-select: all; }
.select-auto { user-select: auto; }

/* ========================================
   POINTER EVENTS UTILITIES
   ======================================== */

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

/* ========================================
   VISIBILITY UTILITIES
   ======================================== */

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

/* ========================================
   TRANSITION UTILITIES
   ======================================== */

.transition { transition: var(--transition-base); }
.transition-fast { transition: var(--transition-fast); }
.transition-glow { transition: var(--transition-glow); }
.transition-transform { transition: var(--transition-transform); }
.transition-opacity { transition: var(--transition-opacity); }
.transition-colors { transition: var(--transition-colors); }
.transition-none { transition: none; }

/* ========================================
   GRADIENT UTILITIES
   ======================================== */

.gradient-primary {
  background: linear-gradient(135deg,
    var(--color-primary-100),
    var(--color-primary-70)
  );
}

.gradient-secondary {
  background: linear-gradient(135deg,
    var(--color-secondary-100),
    var(--color-secondary-70)
  );
}

.gradient-accent {
  background: linear-gradient(135deg,
    var(--color-accent-100),
    var(--color-accent-70)
  );
}

.gradient-rainbow {
  background: linear-gradient(135deg,
    var(--color-primary-100),
    var(--color-secondary-100),
    var(--color-accent-100)
  );
}

.gradient-text {
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ========================================
   ACCESSIBILITY UTILITIES
   ======================================== */

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

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

.focus-visible:focus-visible {
  outline: 2px solid var(--color-primary-100);
  outline-offset: 2px;
  box-shadow: var(--glow-primary-sm);
}

/* ========================================
   RESPONSIVE UTILITIES
   ======================================== */

@media (max-width: 768px) {
  .sm\:hidden { display: none; }
  .sm\:block { display: block; }
  .sm\:flex { display: flex; }
  .sm\:grid { display: grid; }

  .sm\:flex-col { flex-direction: column; }
  .sm\:text-center { text-align: center; }

  .sm\:text-sm { font-size: var(--font-size-sm); }
  .sm\:text-base { font-size: var(--font-size-base); }
  .sm\:text-lg { font-size: var(--font-size-lg); }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .md\:hidden { display: none; }
  .md\:block { display: block; }
  .md\:flex { display: flex; }
  .md\:grid { display: grid; }
}

@media (min-width: 1025px) {
  .lg\:hidden { display: none; }
  .lg\:block { display: block; }
  .lg\:flex { display: flex; }
  .lg\:grid { display: grid; }
}

/* ========================================
   PRINT UTILITIES
   ======================================== */

@media print {
  .print\:hidden { display: none; }
  .print\:block { display: block; }
}