/**
 * DGA Design System - Grid and Layout System
 *
 * Responsive grid system and layout utilities implementing the DGA design standards.
 * Based on CSS Grid and Flexbox for modern, flexible layouts.
 */

/* Container System */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.container-fluid {
  width: 100%;
  padding: 0 var(--spacing-lg);
}

/* Container Sizes */
.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);
}

/* CSS Grid System */
.grid {
  display: grid;
  gap: var(--spacing-lg);
}

/* Grid Templates */
.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
.grid-cols-5 { grid-template-columns: repeat(5, 1fr); }
.grid-cols-6 { grid-template-columns: repeat(6, 1fr); }
.grid-cols-12 { grid-template-columns: repeat(12, 1fr); }

/* Auto-fit grids */
.grid-auto-fit {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-auto-fill {
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
}

/* Grid Gaps */
.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); }
.gap-3xl { gap: var(--spacing-3xl); }
.gap-4xl { gap: var(--spacing-4xl); }

/* Grid Column Spans */
.col-span-1 { grid-column: span 1; }
.col-span-2 { grid-column: span 2; }
.col-span-3 { grid-column: span 3; }
.col-span-4 { grid-column: span 4; }
.col-span-5 { grid-column: span 5; }
.col-span-6 { grid-column: span 6; }
.col-span-7 { grid-column: span 7; }
.col-span-8 { grid-column: span 8; }
.col-span-9 { grid-column: span 9; }
.col-span-10 { grid-column: span 10; }
.col-span-11 { grid-column: span 11; }
.col-span-12 { grid-column: span 12; }
.col-span-full { grid-column: 1 / -1; }

/* Grid Row Spans */
.row-span-1 { grid-row: span 1; }
.row-span-2 { grid-row: span 2; }
.row-span-3 { grid-row: span 3; }
.row-span-4 { grid-row: span 4; }
.row-span-5 { grid-row: span 5; }
.row-span-6 { grid-row: span 6; }
.row-span-full { grid-row: 1 / -1; }

/* Flexbox System */
.flex {
  display: flex;
}

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

/* 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; }

/* Flex 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 Content */
.content-start { align-content: flex-start; }
.content-end { align-content: flex-end; }
.content-center { align-content: center; }
.content-between { align-content: space-between; }
.content-around { align-content: space-around; }
.content-evenly { align-content: space-evenly; }

/* Align Self */
.self-auto { align-self: auto; }
.self-start { align-self: flex-start; }
.self-end { align-self: flex-end; }
.self-center { align-self: center; }
.self-stretch { align-self: stretch; }
.self-baseline { align-self: baseline; }

/* 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; }

/* Common Layout Patterns */

/* Two Column Layout */
.layout-two-column {
  display: grid;
  grid-template-columns: 222px 1fr;
  gap: var(--spacing-4xl);
  align-items: start;
}

/* Three Column Layout */
.layout-three-column {
  display: grid;
  grid-template-columns: 200px 1fr 200px;
  gap: var(--spacing-lg);
  align-items: start;
}

/* Content with Sidebar */
.layout-content-sidebar {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: var(--spacing-4xl);
  align-items: start;
}

.layout-sidebar-content {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: var(--spacing-4xl);
  align-items: start;
}

/* Hero Section Layout */
.layout-hero {
  display: grid;
  grid-template-columns: 1fr;
  place-items: center;
  text-align: center;
  min-height: 400px;
  padding: var(--spacing-6xl) 0;
}

/* Card Grid Layouts */
.layout-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.layout-cards-sm {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.layout-cards-lg {
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
}

/* Content Page Layout (DGA Specific) */
.layout-content-page {
  display: grid;
  grid-template-columns: 222px 1fr;
  gap: var(--spacing-4xl);
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 var(--spacing-5xl);
}

.layout-content-page__toc {
  position: sticky;
  top: var(--spacing-xl);
  height: fit-content;
}

.layout-content-page__content {
  min-width: 0; /* Prevents content overflow */
}

/* Service Page Layout */
.layout-service-page {
  display: grid;
  grid-template-columns: 1fr 350px;
  gap: var(--spacing-4xl);
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 var(--spacing-5xl);
}

/* Responsive Grid Breakpoints */
@media (max-width: 1200px) {
  .container {
    padding: 0 var(--spacing-md);
  }

  .layout-content-page,
  .layout-service-page {
    padding: 0 var(--spacing-lg);
  }
}

@media (max-width: 992px) {
  .layout-two-column,
  .layout-content-sidebar,
  .layout-sidebar-content,
  .layout-content-page,
  .layout-service-page {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .layout-content-page__toc {
    position: static;
    order: -1;
  }

  .layout-three-column {
    grid-template-columns: 1fr;
  }

  /* Responsive grid classes */
  .lg\:grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
  .lg\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
  .lg\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
  .lg\:grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

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

@media (max-width: 768px) {
  .container,
  .container-fluid {
    padding: 0 var(--spacing-sm);
  }

  .layout-cards {
    grid-template-columns: 1fr;
  }

  .grid {
    gap: var(--spacing-md);
  }

  /* Mobile responsive classes */
  .md\:grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
  .md\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }

  .md\:col-span-1 { grid-column: span 1; }
  .md\:col-span-2 { grid-column: span 2; }
  .md\:col-span-full { grid-column: 1 / -1; }

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

@media (max-width: 480px) {
  .layout-hero {
    min-height: 300px;
    padding: var(--spacing-4xl) 0;
  }

  /* Small mobile classes */
  .sm\:grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
  .sm\:col-span-full { grid-column: 1 / -1; }
  .sm\:flex-col { flex-direction: column; }
}

/* RTL Layout Support */
[dir="rtl"] .layout-content-sidebar {
  grid-template-columns: 300px 1fr;
}

[dir="rtl"] .layout-sidebar-content {
  grid-template-columns: 1fr 300px;
}

[dir="rtl"] .layout-service-page {
  grid-template-columns: 350px 1fr;
}

/* Print Layout */
@media print {
  .layout-two-column,
  .layout-three-column,
  .layout-content-sidebar,
  .layout-sidebar-content,
  .layout-content-page,
  .layout-service-page {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .container,
  .container-fluid {
    max-width: none;
    padding: 0;
  }
}

/* Utility Classes */

/* Width utilities */
.w-full { width: 100%; }
.w-auto { width: auto; }
.w-fit { width: fit-content; }
.w-min { width: min-content; }
.w-max { width: max-content; }

/* Max width utilities */
.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; }

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

/* Min height utilities */
.min-h-full { min-height: 100%; }
.min-h-screen { min-height: 100vh; }
.min-h-0 { min-height: 0; }

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