/**
 * FloatHeavy Layout CSS
 * Container, grid, flexbox, and spacing utilities
 */

/* ============================================
   Container
   ============================================ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-lg);
  padding-right: var(--space-lg);
}

.container-narrow {
  max-width: var(--container-narrow);
}

.container-wide {
  max-width: var(--container-wide);
}

/* Full bleed container (breaks out of parent) */
.container-full {
  width: 100%;
  max-width: none;
  padding-left: var(--space-lg);
  padding-right: var(--space-lg);
}

/* ============================================
   Sections
   ============================================ */
.section {
  padding-top: var(--space-4xl);
  padding-bottom: var(--space-4xl);
}

.section-sm {
  padding-top: var(--space-2xl);
  padding-bottom: var(--space-2xl);
}

.section-lg {
  padding-top: var(--space-5xl);
  padding-bottom: var(--space-5xl);
}

/* Alternate background */
.section-alt {
  background-color: var(--color-background-alt);
}

/* Dark section */
.section-dark {
  background-color: var(--color-background-dark);
  color: var(--color-text-inverse);
}

.section-dark h1,
.section-dark h2,
.section-dark h3,
.section-dark h4,
.section-dark h5,
.section-dark h6 {
  color: var(--color-text-inverse);
}

.section-dark .text-light {
  color: rgba(255, 255, 255, 0.8);
}

/* Primary colored section */
.section-primary {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
}

.section-primary h1,
.section-primary h2,
.section-primary h3,
.section-primary h4 {
  color: var(--color-text-inverse);
}

/* Section header */
.section-header {
  max-width: 700px;
  margin-bottom: var(--space-3xl);
}

.section-header.text-center {
  margin-left: auto;
  margin-right: auto;
}

.section-header h2 {
  margin-bottom: var(--space-md);
}

.section-subtitle {
  font-size: var(--font-size-xl);
  color: var(--color-text-light);
  margin-bottom: 0;
}

.section-dark .section-subtitle,
.section-primary .section-subtitle {
  color: rgba(255, 255, 255, 0.8);
}

/* ============================================
   Grid System
   ============================================ */
.grid {
  display: grid;
  gap: var(--space-xl);
}

/* Column variants */
.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

/* Auto-fit grid (responsive by default) */
.grid-auto {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

/* Asymmetric grids */
.grid-sidebar {
  grid-template-columns: 1fr 350px;
}

.grid-sidebar-left {
  grid-template-columns: 350px 1fr;
}

.grid-2-1 {
  grid-template-columns: 2fr 1fr;
}

.grid-1-2 {
  grid-template-columns: 1fr 2fr;
}

/* Gap variations */
.gap-sm {
  gap: var(--space-sm);
}

.gap-md {
  gap: var(--space-md);
}

.gap-lg {
  gap: var(--space-lg);
}

.gap-xl {
  gap: var(--space-xl);
}

.gap-2xl {
  gap: var(--space-2xl);
}

/* ============================================
   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;
}

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

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

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

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

/* Justify */
.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;
}

/* Flex item properties */
.flex-1 {
  flex: 1 1 0%;
}

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

.flex-none {
  flex: none;
}

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

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

/* ============================================
   Text Alignment
   ============================================ */
.text-left {
  text-align: left;
}

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

.text-right {
  text-align: right;
}

/* ============================================
   Spacing Utilities
   ============================================ */
/* Margin Top */
.mt-0 { margin-top: 0; }
.mt-xs { margin-top: var(--space-xs); }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mt-2xl { margin-top: var(--space-2xl); }
.mt-3xl { margin-top: var(--space-3xl); }
.mt-4xl { margin-top: var(--space-4xl); }

/* Margin Bottom */
.mb-0 { margin-bottom: 0; }
.mb-xs { margin-bottom: var(--space-xs); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.mb-2xl { margin-bottom: var(--space-2xl); }
.mb-3xl { margin-bottom: var(--space-3xl); }
.mb-4xl { margin-bottom: var(--space-4xl); }

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

/* Padding */
.p-0 { padding: 0; }
.p-sm { padding: var(--space-sm); }
.p-md { padding: var(--space-md); }
.p-lg { padding: var(--space-lg); }
.p-xl { padding: var(--space-xl); }
.p-2xl { padding: var(--space-2xl); }

.py-sm { padding-top: var(--space-sm); padding-bottom: var(--space-sm); }
.py-md { padding-top: var(--space-md); padding-bottom: var(--space-md); }
.py-lg { padding-top: var(--space-lg); padding-bottom: var(--space-lg); }
.py-xl { padding-top: var(--space-xl); padding-bottom: var(--space-xl); }
.py-2xl { padding-top: var(--space-2xl); padding-bottom: var(--space-2xl); }

.px-sm { padding-left: var(--space-sm); padding-right: var(--space-sm); }
.px-md { padding-left: var(--space-md); padding-right: var(--space-md); }
.px-lg { padding-left: var(--space-lg); padding-right: var(--space-lg); }
.px-xl { padding-left: var(--space-xl); padding-right: var(--space-xl); }

/* ============================================
   Width Utilities
   ============================================ */
.w-full {
  width: 100%;
}

.w-auto {
  width: auto;
}

.max-w-xs {
  max-width: 320px;
}

.max-w-sm {
  max-width: 480px;
}

.max-w-md {
  max-width: 640px;
}

.max-w-lg {
  max-width: 800px;
}

.max-w-xl {
  max-width: 1024px;
}

/* ============================================
   Display Utilities
   ============================================ */
.block {
  display: block;
}

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

.hidden {
  display: none;
}

/* ============================================
   Position Utilities
   ============================================ */
.relative {
  position: relative;
}

.absolute {
  position: absolute;
}

.fixed {
  position: fixed;
}

.sticky {
  position: sticky;
  top: 0;
}

/* ============================================
   Visual Utilities
   ============================================ */
.rounded {
  border-radius: var(--radius-md);
}

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

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

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

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

.overflow-hidden {
  overflow: hidden;
}

/* ============================================
   Card Component
   ============================================ */
.card {
  background-color: var(--color-background);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.card-body {
  padding: var(--space-xl);
}

.card-header {
  padding: var(--space-lg) var(--space-xl);
  border-bottom: 1px solid var(--color-border);
}

.card-footer {
  padding: var(--space-lg) var(--space-xl);
  border-top: 1px solid var(--color-border);
  background-color: var(--color-background-alt);
}

/* Hoverable card */
.card-hover {
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.card-hover:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}