/**
 * GLASSTERMINAL DESIGN SYSTEM
 * grid.css - Responsive Grid System
 *
 * A modern CSS Grid-based layout system with flexbox fallbacks.
 * Supports responsive breakpoints and container queries.
 */

/* ============================================
   CONTAINER
   ============================================ */

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

.container-fluid {
  width: 100%;
  padding-inline: var(--container-padding);
}

.container-narrow {
  max-width: 960px;
}

.container-wide {
  max-width: 1600px;
}

.container-full {
  max-width: none;
  padding-inline: 0;
}

/* ============================================
   CSS GRID SYSTEM
   ============================================ */

.grid {
  display: grid;
  gap: var(--grid-gap);
  grid-template-columns: repeat(var(--grid-columns), 1fr);
}

/* Auto-fit responsive grid */
.grid-auto {
  display: grid;
  gap: var(--grid-gap);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
}

.grid-auto-sm {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr));
}

.grid-auto-lg {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 360px), 1fr));
}

/* Fixed column grids */
.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); }

/* Subgrid support */
.subgrid {
  display: grid;
  grid-template-columns: subgrid;
  grid-template-rows: subgrid;
}

/* 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; }

/* 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; }

/* Column start positions */
.col-start-1 { grid-column-start: 1; }
.col-start-2 { grid-column-start: 2; }
.col-start-3 { grid-column-start: 3; }
.col-start-4 { grid-column-start: 4; }
.col-start-5 { grid-column-start: 5; }
.col-start-6 { grid-column-start: 6; }
.col-start-7 { grid-column-start: 7; }

/* Gap variations */
.gap-0 { gap: 0; }
.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-x-0 { column-gap: 0; }
.gap-x-1 { column-gap: var(--space-1); }
.gap-x-2 { column-gap: var(--space-2); }
.gap-x-3 { column-gap: var(--space-3); }
.gap-x-4 { column-gap: var(--space-4); }

.gap-y-0 { row-gap: 0; }
.gap-y-1 { row-gap: var(--space-1); }
.gap-y-2 { row-gap: var(--space-2); }
.gap-y-3 { row-gap: var(--space-3); }
.gap-y-4 { row-gap: var(--space-4); }

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

.flex {
  display: flex;
}

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

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

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

/* 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; }

.grow { flex-grow: 1; }
.grow-0 { flex-grow: 0; }
.shrink { flex-shrink: 1; }
.shrink-0 { flex-shrink: 0; }

/* ============================================
   ALIGNMENT
   ============================================ */

/* 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-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; }

/* Place content (grid) */
.place-center {
  place-content: center;
  place-items: center;
}

.place-start {
  place-content: start;
  place-items: start;
}

.place-end {
  place-content: end;
  place-items: end;
}

/* ============================================
   TERMINAL-STYLE LAYOUTS
   ============================================ */

/* Bloomberg-style multi-panel layout */
.terminal-layout {
  display: grid;
  gap: 1px;
  background: var(--color-border-subtle);
  min-height: 100vh;
}

.terminal-layout > * {
  background: var(--color-bg-base);
}

/* Common terminal layouts */
.terminal-layout-sidebar {
  grid-template-columns: 280px 1fr;
  grid-template-rows: auto 1fr auto;
}

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

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

.terminal-layout-quad {
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
}

/* Panel grid for dense data display */
.panel-grid {
  display: grid;
  gap: 1px;
  background: var(--color-border-light);
}

.panel-grid > * {
  background: var(--color-bg-elevated);
  min-height: 200px;
}

/* Dashboard layout */
.dashboard-grid {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  grid-auto-rows: minmax(200px, auto);
}

/* Masonry-like layout using CSS columns */
.masonry {
  columns: 3;
  column-gap: var(--grid-gap);
}

.masonry > * {
  break-inside: avoid;
  margin-bottom: var(--grid-gap);
}

/* ============================================
   RESPONSIVE BREAKPOINTS
   ============================================ */

/* Small screens (mobile) */
@media (max-width: 639px) {
  .sm\:grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
  .sm\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }

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

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

  .sm\:hidden { display: none; }

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

  .terminal-layout-dual,
  .terminal-layout-triple {
    grid-template-columns: 1fr;
  }

  .masonry {
    columns: 1;
  }
}

/* Medium screens (tablet) */
@media (min-width: 640px) and (max-width: 1023px) {
  .md\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
  .md\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
  .md\:grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

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

  .md\:flex-row { flex-direction: row; }

  .md\:hidden { display: none; }

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

  .masonry {
    columns: 2;
  }
}

/* Large screens (desktop) */
@media (min-width: 1024px) {
  .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\:grid-cols-5 { grid-template-columns: repeat(5, 1fr); }
  .lg\:grid-cols-6 { grid-template-columns: repeat(6, 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-6 { grid-column: span 6; }

  .lg\:hidden { display: none; }

  .masonry {
    columns: 3;
  }
}

/* Extra large screens */
@media (min-width: 1280px) {
  .xl\:grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
  .xl\:grid-cols-5 { grid-template-columns: repeat(5, 1fr); }
  .xl\:grid-cols-6 { grid-template-columns: repeat(6, 1fr); }

  .xl\:col-span-2 { grid-column: span 2; }
  .xl\:col-span-3 { grid-column: span 3; }
  .xl\:col-span-4 { grid-column: span 4; }

  .masonry {
    columns: 4;
  }
}

/* Ultra wide screens */
@media (min-width: 1536px) {
  .xxl\:grid-cols-6 { grid-template-columns: repeat(6, 1fr); }
  .xxl\:grid-cols-8 { grid-template-columns: repeat(8, 1fr); }

  .masonry {
    columns: 5;
  }
}

/* ============================================
   CONTAINER QUERIES
   ============================================ */

/* Enable container query on parent */
.container-query {
  container-type: inline-size;
}

/* Respond to container width */
@container (min-width: 400px) {
  .cq\:grid-cols-2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@container (min-width: 600px) {
  .cq\:grid-cols-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

@container (min-width: 800px) {
  .cq\:grid-cols-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ============================================
   ASPECT RATIOS
   ============================================ */

.aspect-square { aspect-ratio: 1 / 1; }
.aspect-video { aspect-ratio: 16 / 9; }
.aspect-wide { aspect-ratio: 21 / 9; }
.aspect-portrait { aspect-ratio: 3 / 4; }
.aspect-auto { aspect-ratio: auto; }

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

/* Margin */
.m-0 { margin: 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-auto { margin: auto; }

.mx-auto { margin-inline: auto; }
.my-auto { margin-block: auto; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

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

/* Padding */
.p-0 { padding: 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-5 { padding: var(--space-5); }
.p-6 { padding: var(--space-6); }
.p-8 { padding: var(--space-8); }

.px-0 { padding-inline: 0; }
.px-1 { padding-inline: var(--space-1); }
.px-2 { padding-inline: var(--space-2); }
.px-3 { padding-inline: var(--space-3); }
.px-4 { padding-inline: var(--space-4); }
.px-6 { padding-inline: var(--space-6); }

.py-0 { padding-block: 0; }
.py-1 { padding-block: var(--space-1); }
.py-2 { padding-block: var(--space-2); }
.py-3 { padding-block: var(--space-3); }
.py-4 { padding-block: var(--space-4); }
.py-6 { padding-block: var(--space-6); }

/* ============================================
   DISPLAY & VISIBILITY
   ============================================ */

.block { display: block; }
.inline-block { display: inline-block; }
.inline { display: inline; }
.hidden { display: none; }
.contents { display: contents; }

.visible { visibility: visible; }
.invisible { visibility: hidden; }

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

.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; }

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

.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; }

/* Scrollable container with custom scrollbar */
.scrollable {
  overflow: auto;
  overscroll-behavior: contain;
}

/* ============================================
   Z-INDEX
   ============================================ */

.z-0 { z-index: var(--z-0); }
.z-10 { z-index: var(--z-10); }
.z-20 { z-index: var(--z-20); }
.z-30 { z-index: var(--z-30); }
.z-40 { z-index: var(--z-40); }
.z-50 { z-index: var(--z-50); }
.z-dropdown { z-index: var(--z-dropdown); }
.z-sticky { z-index: var(--z-sticky); }
.z-modal { z-index: var(--z-modal); }
.z-popover { z-index: var(--z-popover); }
.z-tooltip { z-index: var(--z-tooltip); }