/* Chronos: The Human Odyssey - Core Stylesheet (Premium Light Theme) */
@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@500;700;800;900&family=Inter:wght@300;400;500;600;700&family=Lora:ital,wght@0,400;0,600;0,700;1,400&family=Montserrat:wght@400;500;600;700;800&family=Orbitron:wght@500;700;900&display=swap');

:root {
  --text-body-font: 'Inter', sans-serif;
  --transition-speed: 0.8s;
  
  /* Light theme defaults */
  --bg-gradient: linear-gradient(135deg, #f8f9fa 0%, #eef1f6 100%);
  --card-bg: rgba(255, 255, 255, 0.6);
  --accent-color: #1a1a1a;
  --accent-rgb: 26, 26, 26;
  --text-color: #2b2b2d;
  --text-muted: rgba(43, 43, 45, 0.65);
  --border-color: rgba(0, 0, 0, 0.08);
  --glow-color: rgba(0, 0, 0, 0.08);
}

/* =========================================================================
   LIGHT ERA THEMES
   ========================================================================= */

/* Prehistoric Theme: Sandy warm clay, mud brown typography, rust accents */
body.theme-prehistoric {
  --bg-gradient: linear-gradient(135deg, #f7f5ef 0%, #ebede7 100%);
  --card-bg: rgba(230, 224, 212, 0.4);
  --accent-color: #b35a2d; /* Rust Ochre */
  --accent-rgb: 179, 90, 45;
  --text-heading-font: 'Lora', serif;
  --text-color: #3d2e24;
  --text-muted: rgba(61, 46, 36, 0.65);
  --border-color: rgba(179, 90, 45, 0.22);
  --glow-color: rgba(179, 90, 45, 0.15);
}

/* Ancient Theme: Polished classical ivory marble, gold / bronze accents */
body.theme-ancient {
  --bg-gradient: linear-gradient(135deg, #fdfbfa 0%, #f3f2ec 100%);
  --card-bg: rgba(238, 234, 224, 0.45);
  --accent-color: #a68015; /* Classical Gold */
  --accent-rgb: 166, 128, 21;
  --text-heading-font: 'Cinzel', serif;
  --text-color: #272930;
  --text-muted: rgba(39, 41, 48, 0.65);
  --border-color: rgba(166, 128, 21, 0.25);
  --glow-color: rgba(166, 128, 21, 0.15);
}

/* Medieval Theme: Aged linen parchment, gothic dark sepia, deep crimson accents */
body.theme-medieval {
  --bg-gradient: linear-gradient(135deg, #faf6ee 0%, #efebe0 100%);
  --card-bg: rgba(233, 225, 211, 0.45);
  --accent-color: #9e2a2b; /* Deep Crimson */
  --accent-rgb: 158, 42, 43;
  --text-heading-font: 'Lora', serif;
  --text-color: #3e2424;
  --text-muted: rgba(62, 36, 36, 0.65);
  --border-color: rgba(158, 42, 43, 0.25);
  --glow-color: rgba(158, 42, 43, 0.15);
}

/* Modern Theme: Crisp modern office paper, deep royal corporate blue accents */
body.theme-modern {
  --bg-gradient: linear-gradient(135deg, #f5f7fb 0%, #e6ecf5 100%);
  --card-bg: rgba(255, 255, 255, 0.7);
  --accent-color: #1d59cc; /* Corporate Blue */
  --accent-rgb: 29, 89, 204;
  --text-heading-font: 'Montserrat', sans-serif;
  --text-color: #1d232e;
  --text-muted: rgba(29, 35, 46, 0.65);
  --border-color: rgba(29, 89, 204, 0.2);
  --glow-color: rgba(29, 89, 204, 0.15);
}

/* Future Theme: Sleek titanium silver, cyber-indigo, violet/magenta accents */
body.theme-future {
  --bg-gradient: linear-gradient(135deg, #f0eef7 0%, #e4dff0 100%);
  --card-bg: rgba(255, 255, 255, 0.65);
  --accent-color: #8a2be2; /* Glowing Violet */
  --accent-rgb: 138, 43, 226;
  --text-heading-font: 'Orbitron', sans-serif;
  --text-color: #271842;
  --text-muted: rgba(39, 24, 66, 0.65);
  --border-color: rgba(138, 43, 226, 0.25);
  --glow-color: rgba(138, 43, 226, 0.2);
}

/* =========================================================================
   RESET AND CORE LAYOUT
   ========================================================================= */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--text-body-font);
  background: var(--bg-gradient);
  color: var(--text-color);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  transition: background var(--transition-speed) ease, color 0.5s ease;
}

/* Custom Scrollbars */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.05);
}
::-webkit-scrollbar-thumb {
  background: rgba(var(--accent-rgb), 0.25);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(var(--accent-rgb), 0.5);
}

/* Refined Glassmorphism utility card */
.glass-panel {
  background: var(--card-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  box-shadow: 0 8px 24px 0 rgba(0, 0, 0, 0.06);
  transition: background var(--transition-speed) ease, border-color var(--transition-speed) ease, box-shadow 0.5s ease;
}

/* =========================================================================
   HEADER SECTION
   ========================================================================= */
header {
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 0.75rem;
}

.brand {
  display: flex;
  flex-direction: column;
}

.brand h1 {
  font-family: var(--text-heading-font);
  font-size: 2.1rem;
  font-weight: 800;
  letter-spacing: 3px;
  color: var(--accent-color);
  transition: font-family var(--transition-speed) ease, color var(--transition-speed) ease;
  text-transform: uppercase;
}

.brand p {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  margin-top: 0.1rem;
}

/* Audio Widget */
.audio-controller {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.4rem 0.8rem;
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid var(--border-color);
}

.audio-btn {
  background: rgba(var(--accent-rgb), 0.05);
  border: 1px solid var(--accent-color);
  color: var(--text-color);
  padding: 0.4rem 0.8rem;
  border-radius: 20px;
  cursor: pointer;
  font-family: var(--text-body-font);
  font-size: 0.8rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: all 0.3s ease;
}

.audio-btn:hover {
  background: rgba(var(--accent-rgb), 0.12);
  box-shadow: 0 0 8px var(--glow-color);
}

.audio-btn.playing {
  animation: pulse-border 2s infinite;
}

.volume-container {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.volume-slider {
  -webkit-appearance: none;
  width: 70px;
  height: 4px;
  border-radius: 2px;
  background: rgba(0, 0, 0, 0.15);
  outline: none;
  cursor: pointer;
}

.volume-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent-color);
  cursor: pointer;
}

/* Audio visualizer wave effect */
.audio-pulse {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 15px;
}
.audio-pulse span {
  width: 2px;
  background-color: var(--accent-color);
  border-radius: 1px;
  height: 3px;
  transition: height 0.3s ease;
}

.audio-btn.playing + .volume-container .audio-pulse span:nth-child(1) { animation: wave-anim 0.8s ease-in-out infinite alternate; }
.audio-btn.playing + .volume-container .audio-pulse span:nth-child(2) { animation: wave-anim 1.2s ease-in-out infinite alternate; }
.audio-btn.playing + .volume-container .audio-pulse span:nth-child(3) { animation: wave-anim 0.6s ease-in-out infinite alternate; }
.audio-btn.playing + .volume-container .audio-pulse span:nth-child(4) { animation: wave-anim 1.0s ease-in-out infinite alternate; }

/* =========================================================================
   MAIN APP CONTENT LAYOUT
   ========================================================================= */
.app-container {
  display: grid;
  grid-template-columns: 220px 1fr;
  flex: 1;
  padding: 0 2rem 2rem 2rem;
  gap: 1.25rem;
  overflow: hidden;
  height: calc(100vh - 170px);
}

/* Sidebar navigation */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1.25rem 0.75rem;
  overflow-y: auto;
}

.sidebar-title {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
  padding-left: 0.5rem;
}

.category-nav {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.category-btn {
  width: 100%;
  text-align: left;
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 0.6rem 0.8rem;
  border-radius: 8px;
  cursor: pointer;
  font-family: var(--text-body-font);
  font-size: 0.85rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  transition: all 0.3s ease;
}

.category-btn:hover {
  background: rgba(var(--accent-rgb), 0.06);
  color: var(--text-color);
  padding-left: 1.1rem;
}

.category-btn.active {
  background: rgba(var(--accent-rgb), 0.1);
  color: var(--accent-color);
  border-left: 3px solid var(--accent-color);
  font-weight: 600;
}

/* Viewport structure */
.viewport {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 1.25rem;
  overflow: hidden;
}

/* Left Pane: Article browser & reader */
.article-pane {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.search-bar-container {
  padding: 0.8rem 1.2rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  gap: 1rem;
  align-items: center;
}

.search-input {
  flex: 1;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--border-color);
  padding: 0.5rem 0.8rem;
  border-radius: 8px;
  color: var(--text-color);
  font-family: var(--text-body-font);
  font-size: 0.88rem;
  outline: none;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.search-input:focus {
  border-color: var(--accent-color);
  box-shadow: 0 0 6px var(--glow-color);
}

.search-info {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Grid of Article Cards */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1rem;
  padding: 1.25rem;
  overflow-y: auto;
  flex: 1;
}

.article-card {
  padding: 1.1rem;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.article-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent-color);
  box-shadow: 0 6px 16px rgba(var(--accent-rgb), 0.12);
}

.article-tag {
  align-self: flex-start;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  background: rgba(var(--accent-rgb), 0.08);
  color: var(--accent-color);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  transition: all 0.3s ease;
}

.article-card h3 {
  font-family: var(--text-heading-font);
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.3;
}

.article-card p {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-card-footer {
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.7rem;
  color: var(--text-muted);
  border-top: 1px solid rgba(0, 0, 0, 0.05);
  padding-top: 0.4rem;
}

/* Immersive Article Reader View */
.article-reader {
  display: none;
  flex-direction: column;
  padding: 1.5rem 2rem;
  overflow-y: auto;
  flex: 1;
}

.reader-header {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1rem;
  margin-bottom: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.back-to-grid {
  align-self: flex-start;
  background: transparent;
  border: none;
  color: var(--accent-color);
  cursor: pointer;
  font-family: var(--text-body-font);
  font-size: 0.85rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
}

.back-to-grid:hover {
  background: rgba(var(--accent-rgb), 0.08);
}

.reader-title {
  font-family: var(--text-heading-font);
  font-size: 1.8rem;
  font-weight: 800;
  line-height: 1.2;
}

.reader-meta {
  display: flex;
  gap: 1.25rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Inside Article Body Styling */
.reader-body {
  font-size: 0.98rem;
  line-height: 1.65;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 760px;
}

.reader-body p strong:first-child {
  color: var(--accent-color);
}

.reader-body h3 {
  font-family: var(--text-heading-font);
  font-size: 1.25rem;
  margin-top: 1.25rem;
  color: var(--accent-color);
}

.reader-body ul, .reader-body ol {
  padding-left: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.reader-body li::marker {
  color: var(--accent-color);
}

.fact-box {
  background: rgba(var(--accent-rgb), 0.05);
  border-left: 4px solid var(--accent-color);
  padding: 1.1rem;
  border-radius: 0 8px 8px 0;
  margin: 1.25rem 0;
}

.fact-box h4 {
  font-family: var(--text-heading-font);
  font-weight: 700;
  margin-bottom: 0.4rem;
  color: var(--accent-color);
}

.fact-box p {
  font-size: 0.88rem;
  color: var(--text-color);
  line-height: 1.5;
}

/* Right Pane: Era Dashboard */
.era-pane {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  overflow-y: auto;
}

.era-pane-header {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.75rem;
}

.era-tag {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--accent-color);
  margin-bottom: 0.2rem;
}

.era-name {
  font-family: var(--text-heading-font);
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 0.1rem;
}

.era-span {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-style: italic;
}

.era-summary {
  font-size: 0.8rem;
  line-height: 1.55;
  color: var(--text-color);
}

/* Sound Info Widget */
.sound-info-card {
  padding: 0.8rem;
  background: rgba(255, 255, 255, 0.5);
  border: 1px dashed var(--border-color);
  border-radius: 8px;
}

.sound-info-card h4 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--accent-color);
  margin-bottom: 0.3rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.sound-info-card p {
  font-size: 0.75rem;
  line-height: 1.4;
  color: var(--text-muted);
}

/* =========================================================================
   INTERACTIVE HISTORICAL WORLD MAP
   ========================================================================= */
.historical-map-container {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.map-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--text-muted);
}

.historical-map {
  width: 100%;
  height: 140px;
  background: rgba(255, 255, 255, 0.65);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 0.25rem;
}

.map-region {
  fill: #e3dfd5;
  stroke: #c8c4ba;
  stroke-width: 0.75px;
  cursor: pointer;
  transition: fill 0.4s ease, stroke 0.4s ease, stroke-width 0.4s ease;
}

.map-region:hover {
  fill: #d5cfc0;
}

/* Map highlight coordinates active states */
.map-region.active {
  fill: rgba(var(--accent-rgb), 0.35);
  stroke: var(--accent-color);
  stroke-width: 1.75px;
}

/* Map tooltip */
.map-tooltip {
  font-size: 0.7rem;
  text-align: center;
  color: var(--text-muted);
  min-height: 1rem;
  margin-top: 0.15rem;
  font-style: italic;
}

/* Landmarks timeline listing */
.landmarks-list-container {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1;
}

.landmarks-list-title {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
}

.landmarks-scroller {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  overflow-y: auto;
  max-height: 180px;
}

.landmark-item {
  padding: 0.6rem;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.3);
  border: 1px solid rgba(0, 0, 0, 0.04);
  cursor: pointer;
  transition: all 0.3s ease;
}

.landmark-item:hover {
  background: rgba(var(--accent-rgb), 0.05);
  border-color: var(--border-color);
}

.landmark-item-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-color);
  margin-bottom: 0.15rem;
}

.landmark-item-year {
  opacity: 0.8;
}

.landmark-item p {
  font-size: 0.72rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* =========================================================================
   TIMELINE SCALE (FOOTER)
   ========================================================================= */
.timeline-outer {
  padding: 1rem 2rem;
  margin-top: auto;
  border-top: 1px solid var(--border-color);
}

.timeline-wrapper {
  position: relative;
  height: 55px;
  display: flex;
  align-items: center;
  padding: 0 20px;
  background: var(--card-bg);
}

/* The continuous back line */
.timeline-track {
  position: absolute;
  left: 0;
  right: 0;
  height: 4px;
  background: rgba(0, 0, 0, 0.06);
  border-radius: 2px;
  z-index: 1;
}

.timeline-progress {
  position: absolute;
  left: 0;
  width: 0%;
  height: 4px;
  background: var(--accent-color);
  border-radius: 2px;
  z-index: 2;
  transition: width var(--transition-speed) cubic-bezier(0.25, 0.8, 0.25, 1), background var(--transition-speed) ease;
}

/* Grid of era milestones */
.timeline-eras {
  position: absolute;
  left: 20px;
  right: 20px;
  display: flex;
  justify-content: space-between;
  z-index: 3;
  height: 100%;
}

.timeline-era-point {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  height: 100%;
  flex: 1;
}

.era-node {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #ffffff;
  border: 3px solid rgba(0, 0, 0, 0.15);
  z-index: 4;
  transition: all 0.5s ease;
}

.timeline-era-point:hover .era-node {
  transform: scale(1.2);
  border-color: var(--accent-color);
}

.timeline-era-point.active .era-node {
  background: var(--accent-color);
  border-color: var(--accent-color);
  transform: scale(1.3);
  box-shadow: 0 0 8px var(--glow-color);
}

.era-label {
  position: absolute;
  bottom: 0px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-muted);
  transition: color 0.3s ease;
}

.timeline-era-point.active .era-label {
  color: var(--accent-color);
  font-weight: 700;
}

.era-years {
  position: absolute;
  top: 0px;
  font-size: 0.6rem;
  color: var(--text-muted);
  opacity: 0.7;
}

/* Landmark pins rendered dynamically on the timeline line */
.landmark-pin {
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 8px;
  height: 8px;
  background: var(--text-color);
  border: 1.5px solid rgba(255, 255, 255, 0.8);
  border-radius: 50%;
  z-index: 5;
  cursor: pointer;
  transition: all 0.3s ease;
}

.landmark-pin:hover {
  width: 11px;
  height: 11px;
  background: var(--accent-color);
  box-shadow: 0 0 6px var(--glow-color);
}

.landmark-pin.active {
  background: var(--accent-color);
  box-shadow: 0 0 10px var(--glow-color);
  transform: translate(-50%, -50%) scale(1.3);
}

/* Tooltip on timeline pins */
.landmark-tooltip {
  position: absolute;
  bottom: 22px;
  left: 50%;
  transform: translateX(-50%) translateY(3px);
  background: rgba(255, 255, 255, 0.95);
  color: #1a1a1a;
  padding: 0.35rem 0.65rem;
  border-radius: 6px;
  font-size: 0.7rem;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  box-shadow: 0 4px 12px rgba(0,0,0,0.12);
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.landmark-pin:hover .landmark-tooltip {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* =========================================================================
   ANIMATIONS & RESPONSIVE DESIGN
   ========================================================================= */

@keyframes pulse-border {
  0% { box-shadow: 0 0 0 0 rgba(var(--accent-rgb), 0.25); }
  70% { box-shadow: 0 0 0 8px rgba(var(--accent-rgb), 0); }
  100% { box-shadow: 0 0 0 0 rgba(var(--accent-rgb), 0); }
}

@keyframes wave-anim {
  0% { height: 3px; }
  100% { height: 15px; }
}

/* Responsive grid/layouts */
@media (max-width: 1024px) {
  .app-container {
    grid-template-columns: 1fr;
    height: auto;
    overflow-y: auto;
    padding: 0 1rem 1rem 1rem;
    gap: 1rem;
  }
  
  .sidebar {
    flex-direction: row;
    overflow-x: auto;
    padding: 0.4rem;
    border-bottom: 1px solid var(--border-color);
  }
  
  .sidebar-title {
    display: none;
  }
  
  .category-nav {
    flex-direction: row;
    width: 100%;
  }
  
  .category-btn {
    white-space: nowrap;
    padding: 0.4rem 0.6rem;
  }

  .viewport {
    grid-template-columns: 1fr;
    height: auto;
  }
  
  .era-pane {
    border-top: 1px solid var(--border-color);
  }

  header {
    flex-direction: column;
    gap: 0.75rem;
    text-align: center;
    padding: 1rem;
  }
  
  .timeline-outer {
    position: relative;
    padding: 1rem;
  }
  
  .era-years {
    display: none;
  }
}

@media (max-width: 600px) {
  .brand h1 {
    font-size: 1.5rem;
  }
  
  .timeline-wrapper {
    height: 75px;
  }
  
  .era-label {
    font-size: 0.6rem;
    bottom: 5px;
    transform: rotate(-10deg);
  }
  
  .articles-grid {
    grid-template-columns: 1fr;
  }
}