/**
 * Valentine's Day Boilerplate - Utility Classes
 * ==============================================
 * Tailwind-inspired utility classes for rapid development
 */

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

/* Container */
.container {
  width: 100%;
  max-width: var(--container-xl);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

.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%; }

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

/* Flexbox */
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.flex-row { flex-direction: row; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.flex-nowrap { flex-wrap: nowrap; }
.flex-1 { flex: 1 1 0%; }
.flex-auto { flex: 1 1 auto; }
.flex-none { flex: none; }

.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; }

.self-start { align-self: flex-start; }
.self-center { align-self: center; }
.self-end { align-self: flex-end; }

/* Gap */
.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); }

/* Grid */
.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)); }

.col-span-1 { grid-column: span 1 / span 1; }
.col-span-2 { grid-column: span 2 / span 2; }
.col-span-3 { grid-column: span 3 / span 3; }
.col-span-4 { grid-column: span 4 / span 4; }
.col-span-6 { grid-column: span 6 / span 6; }
.col-span-full { grid-column: 1 / -1; }

/* =============================================
   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-inline: auto; }
.my-0 { margin-block: var(--space-0); }
.my-4 { margin-block: var(--space-4); }
.my-6 { margin-block: var(--space-6); }
.my-8 { margin-block: var(--space-8); }
.my-12 { margin-block: var(--space-12); }

.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); }

.ml-auto { margin-left: auto; }
.mr-auto { margin-right: auto; }

/* Padding */
.p-0 { padding: var(--space-0); }
.p-1 { padding: var(--space-1); }
.p-2 { padding: var(--space-2); }
.p-3 { padding: var(--space-3); }
.p-4 { padding: var(--space-4); }
.p-6 { padding: var(--space-6); }
.p-8 { padding: var(--space-8); }
.p-10 { padding: var(--space-10); }
.p-12 { padding: var(--space-12); }

.px-2 { padding-inline: var(--space-2); }
.px-4 { padding-inline: var(--space-4); }
.px-6 { padding-inline: var(--space-6); }
.px-8 { padding-inline: var(--space-8); }

.py-2 { padding-block: var(--space-2); }
.py-4 { padding-block: var(--space-4); }
.py-6 { padding-block: var(--space-6); }
.py-8 { padding-block: var(--space-8); }
.py-12 { padding-block: var(--space-12); }
.py-16 { padding-block: var(--space-16); }
.py-20 { padding-block: var(--space-20); }
.py-24 { padding-block: var(--space-24); }

/* =============================================
   SIZING UTILITIES
   ============================================= */

/* Width */
.w-full { width: 100%; }
.w-screen { width: 100vw; }
.w-auto { width: auto; }
.w-fit { width: fit-content; }
.max-w-xs { max-width: 20rem; }
.max-w-sm { max-width: 24rem; }
.max-w-md { max-width: 28rem; }
.max-w-lg { max-width: 32rem; }
.max-w-xl { max-width: 36rem; }
.max-w-2xl { max-width: 42rem; }
.max-w-full { max-width: 100%; }
.min-w-0 { min-width: 0; }

/* Height */
.h-full { height: 100%; }
.h-screen { height: 100vh; }
.h-auto { height: auto; }
.min-h-screen { min-height: 100vh; }

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

/* Font Family */
.font-heading { font-family: var(--font-heading); }
.font-script { font-family: var(--font-script); }
.font-body { font-family: var(--font-body); }
.font-mono { font-family: var(--font-mono); }

/* Font Size */
.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); }
.text-5xl { font-size: var(--text-5xl); }
.text-hero { font-size: var(--text-hero); }

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

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

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

/* Text Transform */
.uppercase { text-transform: uppercase; }
.lowercase { text-transform: lowercase; }
.capitalize { text-transform: capitalize; }
.normal-case { text-transform: none; }

/* Text Decoration */
.underline { text-decoration: underline; }
.line-through { text-decoration: line-through; }
.no-underline { text-decoration: none; }

/* Letter Spacing */
.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); }

/* Text Overflow */
.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;
}

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

/* Text Colors */
.text-red { color: var(--vday-red); }
.text-red-light { color: var(--vday-red-light); }
.text-red-dark { color: var(--vday-red-dark); }
.text-pink { color: var(--vday-pink); }
.text-rose-gold { color: var(--vday-rose-gold); }
.text-wine { color: var(--vday-wine); }
.text-burgundy { color: var(--vday-burgundy); }
.text-blush { color: var(--vday-blush); }
.text-white { color: var(--vday-white); }
.text-black { color: var(--vday-black); }
.text-muted { color: var(--vday-rose-gold); opacity: 0.7; }

/* Background Colors */
.bg-red { background-color: var(--vday-red); }
.bg-red-light { background-color: var(--vday-red-light); }
.bg-pink { background-color: var(--vday-pink); }
.bg-rose-gold { background-color: var(--vday-rose-gold); }
.bg-wine { background-color: var(--vday-wine); }
.bg-burgundy { background-color: var(--vday-burgundy); }
.bg-blush { background-color: var(--vday-blush); }
.bg-cream { background-color: var(--vday-cream); }
.bg-white { background-color: var(--vday-white); }
.bg-transparent { background-color: transparent; }

/* Gradients */
.bg-gradient-romantic { background: var(--gradient-romantic); }
.bg-gradient-sunset { background: var(--gradient-sunset); }
.bg-gradient-blush { background: var(--gradient-blush); }
.bg-gradient-wine { background: var(--gradient-wine); }
.bg-gradient-dreamy { background: var(--gradient-dreamy); }

/* Glass */
.bg-glass {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
}

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

.border { border: 1px solid var(--vday-pink); }
.border-2 { border-width: 2px; }
.border-4 { border-width: 4px; }
.border-none { border: none; }

.border-t { border-top: 1px solid var(--vday-pink); }
.border-b { border-bottom: 1px solid var(--vday-pink); }
.border-l { border-left: 1px solid var(--vday-pink); }
.border-r { border-right: 1px solid var(--vday-pink); }

.border-red { border-color: var(--vday-red); }
.border-pink { border-color: var(--vday-pink); }
.border-wine { border-color: var(--vday-wine); }
.border-white { border-color: var(--vday-white); }

.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-full { border-radius: var(--radius-full); }
.rounded-heart { border-radius: var(--radius-heart); }

/* =============================================
   SHADOW 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-glow { box-shadow: var(--shadow-glow); }
.shadow-inner { box-shadow: var(--shadow-inner); }

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

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

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

.z-0 { z-index: 0; }
.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-fixed { z-index: var(--z-fixed); }
.z-modal { z-index: var(--z-modal); }

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

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

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

.visible { visibility: visible; }
.invisible { visibility: hidden; }
.opacity-0 { opacity: 0; }
.opacity-25 { opacity: 0.25; }
.opacity-50 { opacity: 0.5; }
.opacity-75 { opacity: 0.75; }
.opacity-100 { opacity: 1; }

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

.cursor-pointer { cursor: pointer; }
.cursor-default { cursor: default; }
.cursor-not-allowed { cursor: not-allowed; }
.cursor-grab { cursor: grab; }
.cursor-grabbing { cursor: grabbing; }

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

.transition { transition: var(--transition-all); }
.transition-colors { transition: var(--transition-colors); }
.transition-transform { transition: var(--transition-transform); }
.transition-shadow { transition: var(--transition-shadow); }
.transition-none { transition: none; }

.duration-fast { transition-duration: var(--duration-fast); }
.duration-normal { transition-duration: var(--duration-normal); }
.duration-slow { transition-duration: var(--duration-slow); }

.ease-linear { transition-timing-function: var(--ease-linear); }
.ease-in { transition-timing-function: var(--ease-in); }
.ease-out { transition-timing-function: var(--ease-out); }
.ease-in-out { transition-timing-function: var(--ease-in-out); }
.ease-bounce { transition-timing-function: var(--ease-bounce); }

/* =============================================
   TRANSFORM UTILITIES
   ============================================= */

.scale-90 { transform: scale(0.9); }
.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); }
.-rotate-45 { transform: rotate(-45deg); }

.translate-y-0 { transform: translateY(0); }
.translate-y-1 { transform: translateY(0.25rem); }
.translate-y-2 { transform: translateY(0.5rem); }
.-translate-y-1 { transform: translateY(-0.25rem); }
.-translate-y-2 { transform: translateY(-0.5rem); }

/* Hover Transform */
.hover\:scale-105:hover { transform: scale(1.05); }
.hover\:scale-110:hover { transform: scale(1.1); }
.hover\:-translate-y-1:hover { transform: translateY(-0.25rem); }
.hover\:-translate-y-2:hover { transform: translateY(-0.5rem); }

/* =============================================
   INTERACTION UTILITIES
   ============================================= */

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

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

/* Hidden at breakpoints */
@media (max-width: 640px) {
  .sm\:hidden { display: none; }
}

@media (min-width: 641px) {
  .sm\:block { display: block; }
  .sm\:flex { display: flex; }
  .sm\:grid { display: grid; }
  .sm\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 768px) {
  .md\:block { display: block; }
  .md\:flex { display: flex; }
  .md\:grid { display: grid; }
  .md\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .md\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .md\:flex-row { flex-direction: row; }
  .md\:text-left { text-align: left; }
}

@media (min-width: 1024px) {
  .lg\:block { display: block; }
  .lg\:flex { display: flex; }
  .lg\:grid { display: grid; }
  .lg\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .lg\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

/* =============================================
   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: 0;
}

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