/* ==========================================================================
   Layout Utilities
   ========================================================================== */

/* -------------------------------------------------------------------------
   Container
   ------------------------------------------------------------------------- */

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

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

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

/* -------------------------------------------------------------------------
   Sections
   ------------------------------------------------------------------------- */

.section {
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}

.section-sm {
  padding-top: var(--space-12);
  padding-bottom: var(--space-12);
}

.section-lg {
  padding-top: var(--space-20);
  padding-bottom: var(--space-20);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.section-header-left {
  text-align: left;
}

/* -------------------------------------------------------------------------
   Grid System
   ------------------------------------------------------------------------- */

.grid {
  display: grid;
  gap: var(--space-6);
}

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

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

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

/* Responsive Grid */
@media (max-width: 1024px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .grid-4,
  .grid-3,
  .grid-2 {
    grid-template-columns: 1fr;
  }
  
  .grid-2-mobile {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

.grid-auto-sm {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* -------------------------------------------------------------------------
   Flexbox Utilities
   ------------------------------------------------------------------------- */

.flex {
  display: flex;
}

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

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

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

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

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

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

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

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

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

.gap-3 {
  gap: var(--space-3);
}

.gap-4 {
  gap: var(--space-4);
}

.gap-6 {
  gap: var(--space-6);
}

.gap-8 {
  gap: var(--space-8);
}

/* -------------------------------------------------------------------------
   Spacing Utilities
   ------------------------------------------------------------------------- */

/* Margin */
.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); }

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

.mx-auto { margin-left: auto; margin-right: auto; }

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

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

/* -------------------------------------------------------------------------
   Width & Height
   ------------------------------------------------------------------------- */

.w-full {
  width: 100%;
}

.h-full {
  height: 100%;
}

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

/* -------------------------------------------------------------------------
   Text Alignment
   ------------------------------------------------------------------------- */

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

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

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

/* -------------------------------------------------------------------------
   Display
   ------------------------------------------------------------------------- */

.hidden {
  display: none;
}

.block {
  display: block;
}

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

@media (max-width: 640px) {
  .hidden-mobile {
    display: none;
  }
  
  .show-mobile {
    display: block;
  }
}

@media (min-width: 641px) {
  .hidden-desktop {
    display: none;
  }
  
  .show-desktop {
    display: block;
  }
}

/* -------------------------------------------------------------------------
   Position
   ------------------------------------------------------------------------- */

.relative {
  position: relative;
}

.absolute {
  position: absolute;
}

.fixed {
  position: fixed;
}

.sticky {
  position: sticky;
}

/* -------------------------------------------------------------------------
   Overflow
   ------------------------------------------------------------------------- */

.overflow-hidden {
  overflow: hidden;
}

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

/* Horizontal Scroll Container */
.scroll-container {
  display: flex;
  gap: var(--space-4);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-padding: var(--container-padding);
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.scroll-container::-webkit-scrollbar {
  display: none;
}

.scroll-item {
  flex-shrink: 0;
  scroll-snap-align: start;
}

/* -------------------------------------------------------------------------
   Background Colors
   ------------------------------------------------------------------------- */

.bg-white {
  background-color: var(--color-bg-card);
}

.bg-light {
  background-color: var(--color-bg);
}

.bg-accent {
  background-color: var(--color-accent-light);
}

.bg-dark {
  background-color: var(--color-bg-dark);
}

.bg-primary {
  background-color: var(--color-primary);
}