/* ===== DESIGN TOKENS ===== */
:root {
  /* Type Scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Transition */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Font families */
  --font-body: 'Geist', 'Inter', 'Helvetica Neue', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

/* ===== DARK THEME (Rust-inspired) ===== */
:root,
[data-theme='dark'] {
  --color-bg: #0f1117;
  --color-surface: #161820;
  --color-surface-2: #1c1e28;
  --color-surface-offset: #1a1c26;
  --color-surface-offset-2: #22242e;
  --color-surface-dynamic: #2a2c38;
  --color-divider: #2e303c;
  --color-border: #3a3c4a;
  --color-text: #d4d4dc;
  --color-text-muted: #8a8a98;
  --color-text-faint: #5a5a68;
  --color-text-inverse: #0f1117;

  /* Rust orange as primary */
  --color-primary: #de7a44;
  --color-primary-hover: #f09058;
  --color-primary-active: #c96830;
  --color-primary-highlight: #2e241e;

  /* Category colors for channel types */
  --color-mpsc: #5b9fd4;
  --color-mpmc: #8b6fd4;
  --color-oneshot: #d4a05b;
  --color-broadcast: #5bd49f;
  --color-watch: #d45b8b;
  --color-spsc: #d4cc5b;

  /* Status */
  --color-async: #58d68d;
  --color-sync: #5b9fd4;
  --color-both: #c491e0;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.4);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.5);

  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1280px;
}

/* ===== LIGHT THEME ===== */
[data-theme='light'] {
  --color-bg: #f5f4f0;
  --color-surface: #ffffff;
  --color-surface-2: #fafaf8;
  --color-surface-offset: #edecea;
  --color-surface-offset-2: #e5e4e0;
  --color-surface-dynamic: #dddcd8;
  --color-divider: #d0cfc8;
  --color-border: #c0bfb8;
  --color-text: #1c1b18;
  --color-text-muted: #6a6960;
  --color-text-faint: #a0a098;
  --color-text-inverse: #f5f4f0;

  --color-primary: #c55a20;
  --color-primary-hover: #a84810;
  --color-primary-active: #8e3808;
  --color-primary-highlight: #f0e0d0;

  --color-mpsc: #2874a6;
  --color-mpmc: #6a3d9a;
  --color-oneshot: #b57c2b;
  --color-broadcast: #1e8a5a;
  --color-watch: #b03060;
  --color-spsc: #9a9520;

  --color-async: #1a8a40;
  --color-sync: #2874a6;
  --color-both: #8a50b0;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.12);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    /* Same as [data-theme='dark'] */
  }
}

/* ===== LAYOUT ===== */
.page-wrapper {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: var(--space-6) var(--space-4);
}

/* ===== HEADER ===== */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-divider);
  margin-bottom: var(--space-8);
}

.site-title {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.site-title svg {
  flex-shrink: 0;
}

.site-title h1 {
  font-family: var(--font-body);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.site-title h1 span {
  color: var(--color-primary);
}

.site-subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

.header-controls {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.theme-toggle {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
}

.theme-toggle:hover {
  background: var(--color-surface-dynamic);
  color: var(--color-text);
}

/* ===== LEGEND ===== */
.legend-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
  padding: var(--space-4) var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
}

.legend-section {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.legend-section-title {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-right: var(--space-1);
}

.legend-item {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  cursor: pointer;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
}

.legend-item:hover {
  background: var(--color-surface-dynamic);
  color: var(--color-text);
}

.legend-item.active {
  background: var(--color-primary-highlight);
  color: var(--color-text);
}

.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

.legend-separator {
  width: 1px;
  height: 24px;
  background: var(--color-divider);
  margin: 0 var(--space-2);
}

/* ===== FILTER PILLS ===== */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}

.filter-pill {
  font-size: var(--text-xs);
  font-family: var(--font-body);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  background: transparent;
  font-weight: 500;
}

.filter-pill:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.filter-pill.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-text-inverse);
}

/* ===== MAIN GRID — Crate Columns ===== */
.crate-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-12);
}

.crate-column {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: opacity 300ms ease, transform 300ms ease;
}

.crate-column.dimmed {
  opacity: 0.25;
  transform: scale(0.98);
}

.crate-header {
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-divider);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.crate-name {
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
}

.crate-badge {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  font-weight: 500;
}

.crate-badge.async {
  background: color-mix(in srgb, var(--color-async) 15%, transparent);
  color: var(--color-async);
}

.crate-badge.sync {
  background: color-mix(in srgb, var(--color-sync) 15%, transparent);
  color: var(--color-sync);
}

.crate-badge.both {
  background: color-mix(in srgb, var(--color-both) 15%, transparent);
  color: var(--color-both);
}

.crate-body {
  padding: var(--space-4) var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.crate-description {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* ===== CHANNEL CARD ===== */
.channel-card {
  background: var(--color-surface-offset);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  transition: border-color 200ms ease, box-shadow 200ms ease, opacity 300ms ease, transform 300ms ease;
  cursor: default;
}

.channel-card:hover {
  border-color: var(--color-border);
  box-shadow: var(--shadow-md);
}

.channel-card.dimmed {
  opacity: 0.15;
  transform: scale(0.97);
}

.channel-card.highlight {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px var(--color-primary), var(--shadow-md);
}

.channel-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-2);
}

.channel-type-label {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}

.channel-pattern-badge {
  font-size: 11px;
  font-family: var(--font-mono);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  letter-spacing: 0.02em;
}

.channel-pattern-badge.mpsc { background: color-mix(in srgb, var(--color-mpsc) 18%, transparent); color: var(--color-mpsc); }
.channel-pattern-badge.mpmc { background: color-mix(in srgb, var(--color-mpmc) 18%, transparent); color: var(--color-mpmc); }
.channel-pattern-badge.oneshot { background: color-mix(in srgb, var(--color-oneshot) 18%, transparent); color: var(--color-oneshot); }
.channel-pattern-badge.broadcast { background: color-mix(in srgb, var(--color-broadcast) 18%, transparent); color: var(--color-broadcast); }
.channel-pattern-badge.watch { background: color-mix(in srgb, var(--color-watch) 18%, transparent); color: var(--color-watch); }
.channel-pattern-badge.spsc { background: color-mix(in srgb, var(--color-spsc) 18%, transparent); color: var(--color-spsc); }

.channel-desc {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
  line-height: 1.5;
}

/* Properties grid */
.channel-props {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-1) var(--space-3);
}

.prop-row {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.prop-icon {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

.prop-icon.yes { color: var(--color-async); }
.prop-icon.no { color: var(--color-text-faint); }

.prop-label {
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--color-text-muted);
}

.prop-label.yes { color: var(--color-text); }

/* ===== COMPARISON TABLE ===== */
.comparison-section {
  margin-bottom: var(--space-12);
}

.section-heading {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.section-heading svg {
  color: var(--color-primary);
  flex-shrink: 0;
}

.comparison-table-wrapper {
  overflow-x: auto;
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
}

.comparison-table {
  font-size: var(--text-xs);
  font-variant-numeric: tabular-nums lining-nums;
  min-width: 800px;
}

.comparison-table thead {
  position: sticky;
  top: 0;
  z-index: 1;
}

.comparison-table th {
  background: var(--color-surface-offset);
  padding: var(--space-3) var(--space-3);
  text-align: left;
  font-weight: 600;
  font-family: var(--font-mono);
  color: var(--color-text-muted);
  border-bottom: 1px solid var(--color-divider);
  white-space: nowrap;
}

.comparison-table td {
  padding: var(--space-2) var(--space-3);
  border-bottom: 1px solid var(--color-divider);
  color: var(--color-text);
  vertical-align: middle;
}

.comparison-table tr:last-child td {
  border-bottom: none;
}

.comparison-table tbody tr {
  transition: background 150ms ease;
}

.comparison-table tbody tr:hover {
  background: var(--color-surface-offset);
}

.table-cell-check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
}

.table-cell-check.yes { color: var(--color-async); }
.table-cell-check.no { color: var(--color-text-faint); }

.table-crate-name {
  font-family: var(--font-mono);
  font-weight: 600;
  white-space: nowrap;
}

.table-channel-name {
  font-family: var(--font-mono);
  color: var(--color-primary);
  white-space: nowrap;
}

/* ===== FLOW DIAGRAM ===== */
.flow-section {
  margin-bottom: var(--space-12);
}

.flow-container {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  overflow-x: auto;
}

.flow-svg {
  width: 100%;
}

.flow-svg text {
  font-family: var(--font-body);
}

.flow-svg .node-rect {
  rx: 8;
  ry: 8;
  transition: opacity 200ms ease;
}

.flow-svg .edge-path {
  fill: none;
  stroke-width: 2;
  transition: opacity 200ms ease;
}

.flow-svg .arrow-label {
  font-size: 11px;
  fill: var(--color-text-muted);
}

/* ===== DECISION GUIDE ===== */
.guide-section {
  margin-bottom: var(--space-12);
}

.decision-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-4);
}

.decision-card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  transition: border-color 200ms ease, box-shadow 200ms ease;
}

.decision-card:hover {
  border-color: var(--color-border);
  box-shadow: var(--shadow-md);
}

.decision-q {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-3);
  line-height: 1.4;
}

.decision-a {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-primary);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.decision-a .arrow {
  color: var(--color-text-faint);
}

.decision-note {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-2);
  line-height: 1.5;
}

/* ===== FOOTER ===== */
.site-footer {
  border-top: 1px solid var(--color-divider);
  padding-top: var(--space-6);
  padding-bottom: var(--space-8);
  text-align: center;
}

.footer-text {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.footer-text a {
  color: var(--color-primary);
  text-decoration: none;
}

.footer-text a:hover {
  text-decoration: underline;
}

/* ===== SECTION DESC ===== */
.section-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: calc(-1 * var(--space-2));
  margin-bottom: var(--space-5);
}

/* ===== INTERACTIVE DECISION FLOWCHART ===== */
.flowchart-section {
  margin-bottom: var(--space-12);
}

.flowchart-container {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  min-height: 200px;
}

.fc-step {
  animation: fcFadeIn 300ms ease;
}

@keyframes fcFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.fc-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-1);
  margin-bottom: var(--space-5);
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: var(--color-text-faint);
}

.fc-crumb {
  color: var(--color-text-muted);
}

.fc-crumb-sep {
  color: var(--color-text-faint);
  margin: 0 2px;
}

.fc-crumb-active {
  color: var(--color-primary);
  font-weight: 600;
}

.fc-question {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-5);
  line-height: 1.3;
}

.fc-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.fc-option {
  background: var(--color-surface-offset);
  border: 1.5px solid var(--color-divider);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  text-align: left;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
  cursor: pointer;
}

.fc-option:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-highlight);
  color: var(--color-primary);
}

.fc-result {
  background: var(--color-primary-highlight);
  border: 1.5px solid var(--color-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}

.fc-result-label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

.fc-result-name {
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.fc-result-why {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
}

.fc-restart {
  margin-top: var(--space-4);
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: var(--color-text-muted);
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.fc-restart:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

/* ===== CODE SNIPPETS ===== */
.snippets-section {
  margin-bottom: var(--space-12);
}

.snippets-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: var(--space-3);
}

.snippet-card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.snippet-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  cursor: pointer;
  user-select: none;
}

.snippet-header:hover {
  background: var(--color-surface-offset);
}

.snippet-title {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.snippet-title-text {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}

.snippet-title-badge {
  font-size: 10px;
  font-family: var(--font-mono);
  padding: 1px 6px;
  border-radius: var(--radius-sm);
  font-weight: 600;
}

.snippet-chevron {
  width: 18px;
  height: 18px;
  color: var(--color-text-faint);
  transition: transform 200ms ease;
  flex-shrink: 0;
}

.snippet-card.open .snippet-chevron {
  transform: rotate(180deg);
}

.snippet-body {
  display: none;
  border-top: 1px solid var(--color-divider);
}

.snippet-card.open .snippet-body {
  display: block;
}

.snippet-code {
  padding: var(--space-4);
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--color-text);
  white-space: pre;
  tab-size: 4;
  background: var(--color-surface-offset);
}

/* ===== PERFORMANCE TIERS ===== */
.tiers-section {
  margin-bottom: var(--space-12);
}

.tiers-container {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.tier-row {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
}

.tier-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.tier-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}

.tier-label {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 700;
}

.tier-desc {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.tier-crates {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.tier-crate-chip {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--color-surface-offset);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-3);
}

.tier-crate-name {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text);
}

.tier-crate-detail {
  font-size: 11px;
  color: var(--color-text-muted);
}

.tier-bar-track {
  height: 6px;
  background: var(--color-surface-offset);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.tier-bar-fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width 800ms cubic-bezier(0.16, 1, 0.3, 1);
}

.tier-scenario-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.tier-scenario {
  font-size: 11px;
  color: var(--color-text-muted);
  padding: var(--space-2) var(--space-3);
  background: var(--color-surface-offset);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
}

.tier-scenario strong {
  color: var(--color-text);
  font-weight: 600;
}

.tiers-caveat {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-4);
  line-height: 1.6;
  font-style: italic;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .page-wrapper {
    padding: var(--space-4) var(--space-3);
  }

  .site-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }

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

  .legend-bar {
    flex-direction: column;
    gap: var(--space-3);
  }

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

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

  .channel-props {
    grid-template-columns: 1fr;
  }

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

  .fc-options {
    grid-template-columns: 1fr;
  }

  .tier-scenario-grid {
    grid-template-columns: 1fr;
  }
}