/* ====================================
   LAYOUT UTILITIES - FLEXBOX & GRID
   Sistema moderno de layouts responsivos
   ==================================== */

/* ====================================
   CONTAINERS
   ==================================== */

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

.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%;
  max-width: none;
}

/* ====================================
   FLEXBOX UTILITIES
   ==================================== */

/* Display */
.flex {
  display: flex;
}

.inline-flex {
  display: inline-flex;
}

/* Direction */
.flex-row {
  flex-direction: row;
}

.flex-row-reverse {
  flex-direction: row-reverse;
}

.flex-col {
  flex-direction: column;
}

.flex-col-reverse {
  flex-direction: column-reverse;
}

/* Wrap */
.flex-wrap {
  flex-wrap: wrap;
}

.flex-nowrap {
  flex-wrap: nowrap;
}

.flex-wrap-reverse {
  flex-wrap: wrap-reverse;
}

/* Justify Content */
.justify-start {
  justify-content: flex-start;
}

.justify-end {
  justify-content: flex-end;
}

.justify-center {
  justify-content: center;
}

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

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

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

/* Align Items */
.items-start {
  align-items: flex-start;
}

.items-end {
  align-items: flex-end;
}

.items-center {
  align-items: center;
}

.items-baseline {
  align-items: baseline;
}

.items-stretch {
  align-items: stretch;
}

/* Align Self */
.self-start {
  align-self: flex-start;
}

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

.self-center {
  align-self: center;
}

.self-stretch {
  align-self: stretch;
}

/* Gap */
.gap-0 {
  gap: 0;
}

.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);
}

/* Flex Grow/Shrink */
.flex-1 {
  flex: 1 1 0%;
}

.flex-auto {
  flex: 1 1 auto;
}

.flex-initial {
  flex: 0 1 auto;
}

.flex-none {
  flex: none;
}

.flex-grow {
  flex-grow: 1;
}

.flex-grow-0 {
  flex-grow: 0;
}

.flex-shrink {
  flex-shrink: 1;
}

.flex-shrink-0 {
  flex-shrink: 0;
}

/* ====================================
   CSS GRID UTILITIES
   ==================================== */

/* Display */
.grid {
  display: grid;
}

.inline-grid {
  display: inline-grid;
}

/* Grid Template Columns */
.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-5 {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.grid-cols-6 {
  grid-template-columns: repeat(6, minmax(0, 1fr));
}

.grid-cols-auto {
  grid-template-columns: auto;
}

/* Grid Auto-Fit (Responsivo automático) */
.grid-auto-fit {
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
}

.grid-auto-fit-sm {
  grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr));
}

.grid-auto-fit-lg {
  grid-template-columns: repeat(auto-fit, minmax(20rem, 1fr));
}

/* Grid Template Rows */
.grid-rows-1 {
  grid-template-rows: repeat(1, minmax(0, 1fr));
}

.grid-rows-2 {
  grid-template-rows: repeat(2, minmax(0, 1fr));
}

.grid-rows-3 {
  grid-template-rows: repeat(3, minmax(0, 1fr));
}

.grid-rows-auto {
  grid-template-rows: auto;
}

/* Grid Column Span */
.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-full {
  grid-column: 1 / -1;
}

/* Grid Row Span */
.row-span-1 {
  grid-row: span 1 / span 1;
}

.row-span-2 {
  grid-row: span 2 / span 2;
}

.row-span-3 {
  grid-row: span 3 / span 3;
}

.row-span-full {
  grid-row: 1 / -1;
}

/* Grid Auto Flow */
.grid-flow-row {
  grid-auto-flow: row;
}

.grid-flow-col {
  grid-auto-flow: column;
}

.grid-flow-dense {
  grid-auto-flow: dense;
}

/* ====================================
   LAYOUT PATTERNS
   ==================================== */

/* Header con Flexbox */
.header-layout {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
}

/* Sidebar Layout con Grid */
.sidebar-layout {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0;
  min-height: 100vh;
}

@media (max-width: 1023px) {
  .sidebar-layout {
    grid-template-columns: 1fr;
  }
}

/* Main Content Layout */
.main-layout {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  padding: var(--spacing-lg);
  max-width: 100%;
}

/* Card Grid Layout */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(18.75rem, 1fr));
  gap: var(--spacing-lg);
}

@media (max-width: 767px) {
  .card-grid {
    grid-template-columns: 1fr;
  }
}

/* Stats Grid Layout */
.stats-layout {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: var(--spacing-lg);
}

@media (max-width: 767px) {
  .stats-layout {
    grid-template-columns: 1fr;
  }
}

/* Form Layout */
.form-layout {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  max-width: 100%;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

@media (min-width: 768px) {
  .form-row {
    flex-direction: row;
  }
  
  .form-row > * {
    flex: 1 1 0%;
  }
}

/* Split Layout (50/50) */
.split-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
}

@media (min-width: 768px) {
  .split-layout {
    grid-template-columns: 1fr 1fr;
  }
}

/* Asymmetric Split (2/3 + 1/3) */
.split-layout-asymmetric {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
}

@media (min-width: 1024px) {
  .split-layout-asymmetric {
    grid-template-columns: 2fr 1fr;
  }
}

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

/* Margin */
.m-0 { margin: 0; }
.m-xs { margin: var(--spacing-xs); }
.m-sm { margin: var(--spacing-sm); }
.m-md { margin: var(--spacing-md); }
.m-lg { margin: var(--spacing-lg); }
.m-xl { margin: var(--spacing-xl); }
.m-auto { margin: auto; }

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

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

/* Margin Left/Right */
.mx-auto { margin-left: auto; margin-right: auto; }

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

/* Padding Top/Bottom */
.py-sm { padding-top: var(--spacing-sm); padding-bottom: var(--spacing-sm); }
.py-md { padding-top: var(--spacing-md); padding-bottom: var(--spacing-md); }
.py-lg { padding-top: var(--spacing-lg); padding-bottom: var(--spacing-lg); }

/* Padding Left/Right */
.px-sm { padding-left: var(--spacing-sm); padding-right: var(--spacing-sm); }
.px-md { padding-left: var(--spacing-md); padding-right: var(--spacing-md); }
.px-lg { padding-left: var(--spacing-lg); padding-right: var(--spacing-lg); }

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

/* Width - Relativas */
.w-full { width: 100%; }
.w-auto { width: auto; }
.w-1\/2 { width: 50%; }
.w-1\/3 { width: 33.333%; }
.w-2\/3 { width: 66.666%; }
.w-1\/4 { width: 25%; }
.w-3\/4 { width: 75%; }

/* Width - Viewport */
.w-screen { width: 100vw; }

/* Max Width */
.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%; }
.max-w-none { max-width: none; }

/* Min Width */
.min-w-0 { min-width: 0; }
.min-w-full { min-width: 100%; }

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

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

/* ====================================
   RESPONSIVE IMAGES
   ==================================== */

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.img-responsive {
  max-width: 100%;
  height: auto;
  display: block;
}

.img-cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.img-contain {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* ====================================
   ASPECTRATIO CONTAINERS
   ==================================== */

.aspect-square {
  aspect-ratio: 1 / 1;
}

.aspect-video {
  aspect-ratio: 16 / 9;
}

.aspect-4-3 {
  aspect-ratio: 4 / 3;
}

/* ====================================
   RESPONSIVE MODIFIERS
   ==================================== */

/* Tablet+ */
@media (min-width: 768px) {
  .md\:flex { display: flex; }
  .md\:grid { display: grid; }
  .md\:block { display: block; }
  .md\:hidden { display: none; }
  
  .md\:flex-row { flex-direction: row; }
  .md\:flex-col { flex-direction: column; }
  
  .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\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  
  .md\:w-1\/2 { width: 50%; }
  .md\:w-1\/3 { width: 33.333%; }
  .md\:w-2\/3 { width: 66.666%; }
}

/* Desktop+ */
@media (min-width: 1024px) {
  .lg\:flex { display: flex; }
  .lg\:grid { display: grid; }
  .lg\:block { display: block; }
  .lg\:hidden { display: none; }
  
  .lg\:flex-row { flex-direction: row; }
  .lg\:flex-col { flex-direction: column; }
  
  .lg\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lg\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .lg\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .lg\:grid-cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
  
  .lg\:w-1\/2 { width: 50%; }
  .lg\:w-1\/3 { width: 33.333%; }
  .lg\:w-2\/3 { width: 66.666%; }
}