/* ==========================================================================
   Flarchive — Strata Design System
   Modern, ultra-fast, accessible styling for the Flarum Extension Archive.
   ========================================================================== */

:root {
  --bg: #0A0F1C;
  --bg-subtle: #0E1527;
  --panel: #111A2F;
  --panel-hover: #16223E;
  --panel-active: #1C2A4C;
  --line: #1E2A47;
  --line-hover: #2E3E66;
  --line-strong: #3B4F7D;
  --ink: #E9EEF8;
  --ink-strong: #FFFFFF;
  --mute: #7F8DAA;
  --dim: #4E5B77;
  
  --ember: #FF6A1A;
  --ember2: #FFA02E;
  --ember-glow: rgba(255, 106, 26, 0.25);
  --ember-subtle: rgba(255, 106, 26, 0.12);

  --l0: #25365A;
  --l0-stroke: #3D5589;
  --l1: #7F97C2;
  --l1-stroke: #A1B6DC;
  --l2: #FF6A1A;
  --l2-stroke: #FFA02E;

  --success: #10B981;
  --success-bg: rgba(16, 185, 129, 0.12);
  --warning: #F59E0B;
  --warning-bg: rgba(245, 158, 11, 0.12);
  
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.5);

  --font-sans: "Schibsted Grotesk", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "Fragment Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  color-scheme: dark;
  box-sizing: border-box;
}

[data-theme="light"] {
  --bg: #F8FAFC;
  --bg-subtle: #F1F5F9;
  --panel: #FFFFFF;
  --panel-hover: #F8FAFC;
  --panel-active: #EEF2F6;
  --line: #E2E8F0;
  --line-hover: #CBD5E1;
  --line-strong: #94A3B8;

  /* Rich high-contrast ink and mute */
  --ink: #1E293B;            /* Slate 800 - crisp, deep reading text */
  --ink-strong: #090D16;     /* Pure architectural dark ink for headings and titles */
  --mute: #475569;           /* Slate 600 - high contrast secondary text (7:1 ratio) */
  --dim: #64748B;            /* Slate 500 - legible tertiary information */

  --ember: #D9480F;          /* Rich burnt orange for high contrast on light */
  --ember2: #EA580C;         /* Vibrant warm ember */
  --ember-glow: rgba(217, 72, 15, 0.2);
  --ember-subtle: rgba(217, 72, 15, 0.08);

  /* Strata geological layers: distinct, rich pigments */
  --l0: #1E2E4A;             /* Deep slate navy for 0.x (rich geological rock) */
  --l0-stroke: #152238;
  --l1: #4A6B94;             /* Distinct periwinkle slate for 1.x */
  --l1-stroke: #334D6E;
  --l2: #EA580C;             /* Incandescent ember for 2.x */
  --l2-stroke: #C2410C;

  --success: #047857;
  --success-bg: rgba(4, 120, 87, 0.08);
  --warning: #B45309;
  --warning-bg: rgba(180, 83, 9, 0.08);

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 12px 28px rgba(0, 0, 0, 0.09);

  color-scheme: light;
}

/* Light Theme High-Contrast Overrides */
[data-theme="light"] .brand {
  color: var(--ink-strong);
}

[data-theme="light"] .nav-links a {
  color: var(--mute);
}
[data-theme="light"] .nav-links a:hover,
[data-theme="light"] .nav-links a:focus-visible {
  color: var(--ink-strong);
}

[data-theme="light"] .lede {
  color: #334155;
}
[data-theme="light"] .lede b,
[data-theme="light"] .lede strong {
  color: var(--ink-strong);
}

[data-theme="light"] .chart-container {
  border-color: #CBD5E1;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

[data-theme="light"] .chart-title {
  color: var(--ink-strong);
  font-weight: 600;
}

[data-theme="light"] .chart-legend {
  color: #334155;
}

[data-theme="light"] .chart-years {
  color: #475569;
}
[data-theme="light"] .chart-years span:hover {
  color: var(--ember);
}

[data-theme="light"] .chart-tip {
  background: #FFFFFF;
  border-color: #CBD5E1;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
  color: #0F172A;
}

[data-theme="light"] .stat-card {
  border-color: #CBD5E1;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
}

[data-theme="light"] .stat-label {
  color: #475569;
  font-weight: 600;
}

[data-theme="light"] .stat-sub {
  color: #64748B;
}

[data-theme="light"] .search-input {
  border-color: #CBD5E1;
  color: var(--ink-strong);
  background: #FFFFFF;
}
[data-theme="light"] .search-input::placeholder {
  color: #64748B;
}

[data-theme="light"] .chip {
  border-color: #CBD5E1;
  color: #334155;
  font-weight: 500;
}
[data-theme="light"] .chip:hover {
  background: #F1F5F9;
  border-color: #94A3B8;
  color: var(--ink-strong);
}
[data-theme="light"] .chip[aria-pressed="true"] {
  background: #FFF7ED;
  border-color: var(--ember);
  color: #9A3412;
  box-shadow: 0 0 0 1px var(--ember);
}

[data-theme="light"] .chip-only {
  color: #C2410C;
}

[data-theme="light"] .select-filter {
  border-color: #CBD5E1;
  color: #1E293B;
  background-color: #FFFFFF;
}

[data-theme="light"] .results-count {
  color: #475569;
}

[data-theme="light"] .ext-row {
  border-bottom-color: #E2E8F0;
}
[data-theme="light"] .ext-row:hover {
  background: rgba(241, 245, 249, 0.5);
}

[data-theme="light"] .ext-name {
  color: var(--ink-strong);
}
[data-theme="light"] .ext-name .vendor {
  color: #475569;
}
[data-theme="light"] .ext-name:hover {
  color: var(--ember);
}

[data-theme="light"] .gen-badge[data-g="0"] {
  border-color: #94A3B8;
  background: #F1F5F9;
  color: #0F172A;
  font-weight: 600;
}
[data-theme="light"] .gen-badge[data-g="1"] {
  border-color: #93C5FD;
  background: #EFF6FF;
  color: #1D4ED8;
  font-weight: 600;
}
[data-theme="light"] .gen-badge[data-g="2"] {
  border-color: #FDBA74;
  background: #FFF7ED;
  color: #C2410C;
  font-weight: 600;
}

[data-theme="light"] .only-badge {
  color: #C2410C;
  font-weight: 600;
}

[data-theme="light"] .license-pill {
  color: #475569;
}

[data-theme="light"] .btn-browse {
  background: #FFFFFF;
  border-color: #CBD5E1;
  color: var(--ink-strong);
}
[data-theme="light"] .btn-browse:hover {
  background: #FFF7ED;
  border-color: var(--ember);
  color: #C2410C;
  box-shadow: 0 1px 4px rgba(217, 72, 15, 0.15);
}

[data-theme="light"] .btn-details {
  color: #475569;
}
[data-theme="light"] .btn-details:hover {
  color: var(--ink-strong);
}

[data-theme="light"] .theme-toggle {
  border-color: #CBD5E1;
  color: #475569;
}
[data-theme="light"] .theme-toggle:hover {
  color: var(--ink-strong);
  border-color: #94A3B8;
  background: #FFFFFF;
}

[data-theme="light"] .version-card {
  background: #FFFFFF;
  border-color: #E2E8F0;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
}
[data-theme="light"] .version-card:hover {
  border-color: #CBD5E1;
}

[data-theme="light"] .code-snippet {
  background: #F1F5F9;
  border-color: #CBD5E1;
  color: var(--ink-strong);
}

[data-theme="light"] .recovery-box {
  background: #FFFFFF;
  border-color: #CBD5E1;
}

[data-theme="light"] .timeline {
  border-left-color: #CBD5E1;
}
[data-theme="light"] .timeline-node {
  background: #FFFFFF;
  border-color: var(--ember);
}
[data-theme="light"] .timeline-item:not(:first-child) .timeline-node {
  border-color: #94A3B8;
}

[data-theme="light"] .link-pill {
  background: #FFFFFF;
  border-color: #CBD5E1;
  color: var(--ink-strong);
}
[data-theme="light"] .link-pill:hover {
  background: #F8FAFC;
  border-color: #94A3B8;
}

[data-theme="light"] .footer-copy {
  color: #475569;
}
[data-theme="light"] .footer-links a {
  color: #475569;
}
[data-theme="light"] .footer-links a:hover {
  color: var(--ink-strong);
}

[data-theme="light"] .pill-live {
  background: #FFF7ED;
  border-color: #EA580C;
  color: #C2410C;
  font-weight: 600;
}

[data-theme="light"] .breadcrumbs {
  color: #64748B;
}
[data-theme="light"] .breadcrumbs a {
  color: #475569;
}
[data-theme="light"] .breadcrumbs a:hover {
  color: var(--ink-strong);
}
[data-theme="light"] .breadcrumbs span {
  color: #94A3B8;
}

[data-theme="light"] .detail-title {
  color: var(--ink-strong);
}
[data-theme="light"] .detail-title span {
  color: #64748B;
}

[data-theme="light"] .mono-tag {
  color: #334155;
}
[data-theme="light"] .mono-tag.pill-tag,
[data-theme="light"] .detail-badges .mono-tag {
  background: #F1F5F9;
  border-color: #CBD5E1;
  color: #1E293B;
}

[data-theme="light"] .journey-title {
  color: var(--ink-strong);
}
[data-theme="light"] .journey-desc {
  color: #475569;
}

[data-theme="light"] .version-tag {
  color: var(--ink-strong);
}
[data-theme="light"] .version-flarum {
  background: #F1F5F9;
  border-color: #CBD5E1;
  color: #334155;
  font-weight: 500;
}

[data-theme="light"] .version-detail-label {
  color: #475569;
  font-weight: 600;
}
[data-theme="light"] .version-detail-val {
  color: #0F172A;
}

[data-theme="light"] .commit-hash {
  color: #C2410C;
  font-weight: 500;
}

[data-theme="light"] .btn-copy {
  background: #FFFFFF;
  border-color: #CBD5E1;
  color: #475569;
}
[data-theme="light"] .btn-copy:hover {
  color: var(--ink-strong);
  border-color: #94A3B8;
  background: #F8FAFC;
}

[data-theme="light"] .recovery-title {
  color: var(--ink-strong);
}
[data-theme="light"] .recovery-desc {
  color: #475569;
}

[data-theme="light"] .empty-state h3 {
  color: var(--ink-strong);
}
[data-theme="light"] .empty-state p {
  color: #475569;
}

[data-theme="light"] .active-filter-tag {
  background: #FFFFFF;
  border-color: #CBD5E1;
  color: #1E293B;
}
[data-theme="light"] .active-filter-remove {
  color: #64748B;
}
[data-theme="light"] .active-filter-remove:hover {
  color: #C2410C;
}

/* Documentation / Governance Pages in Light Theme */
[data-theme="light"] .doc-wrap h1,
[data-theme="light"] .doc-wrap h2,
[data-theme="light"] .doc-wrap h3 {
  color: var(--ink-strong);
}
[data-theme="light"] .doc-wrap h2 {
  border-bottom-color: #E2E8F0;
}
[data-theme="light"] .doc-wrap p,
[data-theme="light"] .doc-wrap li {
  color: #1E293B;
}
[data-theme="light"] .doc-wrap a {
  color: #C2410C;
}
[data-theme="light"] .doc-wrap a:hover {
  color: #9A3412;
}
[data-theme="light"] .doc-wrap blockquote {
  background: #F8FAFC;
  border-left-color: var(--ember);
  border-color: #E2E8F0;
}
[data-theme="light"] .doc-wrap blockquote p {
  color: #475569;
}
[data-theme="light"] .table-wrap {
  border-color: #CBD5E1;
}
[data-theme="light"] .data-table th {
  background: #F1F5F9;
  color: var(--ink-strong);
  border-bottom-color: #CBD5E1;
}
[data-theme="light"] .data-table td {
  color: #1E293B;
  border-bottom-color: #E2E8F0;
}
[data-theme="light"] .alert {
  background: #FFFFFF;
  border-color: #CBD5E1;
}
[data-theme="light"] .alert-important,
[data-theme="light"] .alert-warning {
  background: #FFFBEB;
  border-color: #FCD34D;
}
[data-theme="light"] .alert-important .alert-title,
[data-theme="light"] .alert-warning .alert-title {
  color: #B45309;
}
[data-theme="light"] .alert-note {
  background: #F8FAFC;
  border-color: #CBD5E1;
}
[data-theme="light"] .alert-note .alert-title {
  color: #334155;
}

[data-theme="light"] code {
  background: #F1F5F9;
  border-color: #CBD5E1;
  color: #C2410C;
}
[data-theme="light"] pre {
  background: #F8FAFC;
  border-color: #CBD5E1;
}
[data-theme="light"] pre code {
  color: #0F172A;
  background: transparent;
  border: none;
}

/* Base Styles */
*, *::before, *::after {
  box-sizing: inherit;
}

html {
  height: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 16px/1.6 var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  padding: env(safe-area-inset-top, 0) 0 env(safe-area-inset-bottom, 0);
  transition: background-color 0.25s ease, color 0.25s ease;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.wrap {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

main {
  flex: 1 0 auto;
}

/* Accessibility */
:focus-visible {
  outline: 2px solid var(--ember2);
  outline-offset: 2px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Navigation / Header */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0 20px;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -0.02em;
  color: var(--ink-strong);
  text-decoration: none;
}

.brand svg {
  display: block;
  flex-shrink: 0;
  filter: drop-shadow(0 2px 8px var(--ember-glow));
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 14.5px;
}

.nav-links a {
  color: var(--mute);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.15s ease;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--ink-strong);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Theme Toggle Button */
.theme-toggle {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--mute);
  border-radius: var(--radius-sm);
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

.theme-toggle:hover {
  color: var(--ink-strong);
  border-color: var(--line-hover);
  background: var(--panel);
}

.theme-toggle svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
}

/* Hero Section */
.hero {
  padding: 48px 0 32px;
}

.badge-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}

.pill-live {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--ember-subtle);
  border: 1px solid var(--ember);
  color: var(--ember2);
  border-radius: var(--radius-full);
  padding: 4px 12px;
  font: 500 12px var(--font-mono);
  letter-spacing: 0.02em;
}

.pill-live::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ember);
  box-shadow: 0 0 8px var(--ember);
  animation: pulse 2.4s infinite cubic-bezier(0.4, 0, 0.6, 1);
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

h1 {
  font-weight: 700;
  font-size: clamp(2.3rem, 6.2vw, 4.4rem);
  line-height: 1.05;
  letter-spacing: -0.035em;
  margin: 0 0 20px;
  max-width: 16ch;
  color: var(--ink-strong);
}

.lede {
  color: var(--mute);
  max-width: 62ch;
  margin: 0 0 36px;
  font-size: 1.12rem;
  line-height: 1.6;
}

.lede b, .lede strong {
  color: var(--ink);
  font-weight: 600;
}

/* Key Stats Ribbon */
.stats-ribbon {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 16px;
  margin: 32px 0 44px;
}

.stat-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-label {
  color: var(--mute);
  font: 500 12px var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stat-val {
  font: 700 28px/1.1 var(--font-mono);
  color: var(--ink-strong);
}

.stat-sub {
  font-size: 13px;
  color: var(--dim);
}

/* The Live Strata Timeline (Chart Hero) */
.chart-container {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 24px 24px 16px;
  margin: 0 0 36px;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 10px;
}

.chart-title {
  font: 600 14px var(--font-sans);
  color: var(--ink-strong);
  display: flex;
  align-items: center;
  gap: 8px;
}

.chart-legend {
  display: flex;
  align-items: center;
  gap: 16px;
  font: 500 12px var(--font-mono);
  color: var(--mute);
}

.chart-legend-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  transition: color 0.15s ease, background 0.15s ease;
}

.chart-legend-item:hover {
  color: var(--ink-strong);
  background: var(--panel-hover);
}

.chart-legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 2px;
}

.chart-wrapper {
  position: relative;
  width: 100%;
}

.chart-svg {
  display: block;
  width: 100%;
  height: clamp(180px, 32vw, 300px);
  overflow: visible;
  touch-action: pan-y;
}

.layer {
  transition: opacity 0.3s ease, filter 0.3s ease;
  cursor: pointer;
}

.layer path {
  transition: stroke 0.2s ease, stroke-width 0.2s ease, opacity 0.3s ease;
}

.chart-container.dim .layer:not(.active) {
  opacity: 0.18 !important;
  filter: grayscale(100%) !important;
}

.chart-container.dim .layer:not(.active) path {
  opacity: 0.25 !important;
}

.chart-container.dim .layer.active {
  opacity: 1 !important;
  filter: none !important;
}

.chart-container.dim .layer.active path {
  opacity: 1 !important;
}

.chart-container.dim .chart-legend-item:not(.active) {
  opacity: 0.35;
  filter: grayscale(80%);
}

.chart-container.dim .chart-legend-item.active {
  opacity: 1;
  font-weight: 600;
}

@keyframes riseLayer {
  from {
    clip-path: inset(100% 0 0 0);
  }
  to {
    clip-path: inset(0 0 0 0);
  }
}

.layer {
  animation: riseLayer 1.1s cubic-bezier(0.16, 1, 0.3, 1) backwards;
}
.layer[data-g="0"] { animation-delay: 0.05s; }
.layer[data-g="1"] { animation-delay: 0.25s; }
.layer[data-g="2"] { animation-delay: 0.45s; }

/* Interactive Cursor Guideline & Tip */
.chart-cursor {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--ink-strong);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s ease;
  box-shadow: 0 0 8px var(--ember-glow);
}

.chart-tip {
  position: absolute;
  top: 14px;
  background: var(--bg-subtle);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  font-size: 13px;
  line-height: 1.45;
  box-shadow: var(--shadow-md);
  opacity: 0;
  pointer-events: none;
  white-space: nowrap;
  z-index: 20;
  transform: translateX(-50%);
  transition: opacity 0.15s ease, transform 0.08s ease;
}

.chart-tip-year {
  font: 700 14px var(--font-mono);
  color: var(--ink-strong);
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.chart-tip-row {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--mute);
  font: 500 12px var(--font-mono);
}

.chart-tip-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.chart-years {
  display: flex;
  justify-content: space-between;
  color: var(--mute);
  font: 500 12px var(--font-mono);
  padding: 10px 0 0;
  user-select: none;
}

.chart-years span {
  cursor: pointer;
  transition: color 0.15s ease;
}

.chart-years span:hover {
  color: var(--ember2);
}

/* Controls & Filters Bar */
.browse-section {
  padding: 8px 0 60px;
}

.filter-bar {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 24px;
}

.search-row {
  position: relative;
  display: flex;
  align-items: center;
}

.search-input {
  width: 100%;
  background: var(--panel);
  border: 1px solid var(--line);
  color: var(--ink-strong);
  border-radius: var(--radius-md);
  padding: 16px 52px 16px 48px;
  font: 400 16.5px var(--font-sans);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.search-input:focus {
  border-color: var(--ember);
  box-shadow: 0 0 0 3px var(--ember-glow);
  outline: none;
}

.search-input::placeholder {
  color: var(--dim);
}

.search-icon {
  position: absolute;
  left: 18px;
  width: 20px;
  height: 20px;
  color: var(--mute);
  pointer-events: none;
}

.search-kbd {
  position: absolute;
  right: 18px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font: 500 11px var(--font-mono);
  color: var(--mute);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 2px 7px;
  background: var(--bg-subtle);
  pointer-events: none;
}

.search-clear {
  position: absolute;
  right: 16px;
  background: transparent;
  border: none;
  color: var(--mute);
  cursor: pointer;
  padding: 6px;
  border-radius: 50%;
  display: none;
  align-items: center;
  justify-content: center;
}

.search-clear:hover {
  color: var(--ink-strong);
}

.filters-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.chips-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--mute);
  border-radius: var(--radius-full);
  padding: 8px 16px;
  font: 500 14px var(--font-sans);
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
  min-height: 40px;
}

.chip:hover {
  color: var(--ink-strong);
  border-color: var(--line-hover);
  background: var(--panel-hover);
}

.chip[aria-pressed="true"] {
  color: var(--ink-strong);
  background: var(--panel-active);
  border-color: var(--ember);
  box-shadow: 0 0 0 1px var(--ember);
}

.chip-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: block;
}

.chip-only {
  color: var(--ember2);
}

.chip-only .chip-dot {
  background: var(--ember);
  box-shadow: 0 0 6px var(--ember);
}

/* Secondary Filters (License, Sorting) */
.secondary-filters {
  display: flex;
  align-items: center;
  gap: 10px;
}

.select-filter {
  appearance: none;
  background: var(--panel);
  border: 1px solid var(--line);
  color: var(--mute);
  border-radius: var(--radius-md);
  padding: 8px 34px 8px 14px;
  font: 500 13.5px var(--font-sans);
  cursor: pointer;
  min-height: 40px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%237F8DAA' viewBox='0 0 16 16'%3E%3Cpath d='M4 6l4 4 4-4z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  transition: border-color 0.15s ease, color 0.15s ease;
}

.select-filter:hover {
  border-color: var(--line-hover);
  color: var(--ink);
}

.select-filter:focus-visible {
  border-color: var(--ember);
  outline: none;
}

/* Active filter pills */
.active-filters {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: var(--mute);
}

.active-filter-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-full);
  padding: 3px 10px;
  font: 500 12px var(--font-mono);
  color: var(--ink);
}

.active-filter-remove {
  background: transparent;
  border: none;
  color: var(--mute);
  cursor: pointer;
  padding: 0;
  display: inline-flex;
  align-items: center;
}

.active-filter-remove:hover {
  color: var(--ember);
}

.clear-all-btn {
  background: transparent;
  border: none;
  color: var(--ember);
  font: 500 12px var(--font-mono);
  cursor: pointer;
  padding: 4px 8px;
  text-decoration: underline;
}

/* Results Count & Meta */
.results-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 14px 0 12px;
  color: var(--mute);
  font-size: 14px;
}

.results-count {
  font: 500 13.5px var(--font-mono);
  color: var(--mute);
}

.results-count strong {
  color: var(--ink-strong);
}

/* Extensions List Table / Cards */
.catalog-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--line);
}

.ext-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px 24px;
  align-items: center;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  transition: background 0.15s ease;
}

.ext-main {
  min-width: 0;
}

.ext-title-line {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px 12px;
  margin-bottom: 6px;
}

.ext-name {
  font-weight: 600;
  font-size: 17.5px;
  color: var(--ink-strong);
  text-decoration: none;
  letter-spacing: -0.01em;
  overflow-wrap: anywhere;
  transition: color 0.15s ease;
}

.ext-name .vendor {
  color: var(--mute);
  font-weight: 400;
}

.ext-name:hover {
  color: var(--ember2);
}

.ext-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 14px;
  font-size: 13.5px;
  color: var(--mute);
}

.mono-tag {
  font-family: var(--font-mono);
  font-size: 12.5px;
}

.gen-badges {
  display: inline-flex;
  gap: 4px;
}

.gen-badge {
  font: 500 11px var(--font-mono);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 1px 7px;
  color: var(--mute);
  background: var(--bg-subtle);
}

.gen-badge[data-g="0"] { border-color: var(--l0-stroke); color: #8EA7D6; }
.gen-badge[data-g="1"] { border-color: var(--l1-stroke); color: #B0C4E8; }
.gen-badge[data-g="2"] { border-color: var(--l2-stroke); color: var(--ember2); }

.only-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--ember2);
  font: 500 12px var(--font-mono);
}

.only-badge::before {
  content: "";
  display: block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ember);
}

.license-pill {
  font: 500 11.5px var(--font-mono);
  color: var(--dim);
}

/* Actions Column */
.ext-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn-browse {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--ink-strong);
  background: var(--panel);
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 9px 15px;
  font: 600 13.5px var(--font-sans);
  min-height: 40px;
  white-space: nowrap;
  transition: all 0.15s ease;
}

.btn-browse:hover {
  border-color: var(--ember);
  color: var(--ember2);
  background: var(--panel-hover);
  box-shadow: 0 0 12px var(--ember-subtle);
}

.btn-browse svg {
  width: 14px;
  height: 14px;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
}

.btn-details {
  display: inline-flex;
  align-items: center;
  color: var(--mute);
  text-decoration: none;
  font: 500 13.5px var(--font-sans);
  padding: 8px 12px;
  border-radius: var(--radius-md);
  transition: color 0.15s ease;
}

.btn-details:hover {
  color: var(--ink-strong);
}

/* Empty State */
.empty-state {
  padding: 64px 20px;
  text-align: center;
  color: var(--mute);
  border-bottom: 1px solid var(--line);
}

.empty-state h3 {
  color: var(--ink-strong);
  margin: 0 0 8px;
  font-weight: 600;
}

.empty-state p {
  margin: 0 0 16px;
  font-size: 15px;
}

/* Detail Page: The Strata Version Journey */
.detail-header {
  padding: 36px 0 28px;
  border-bottom: 1px solid var(--line);
}

.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font: 500 13px var(--font-mono);
  color: var(--mute);
  margin-bottom: 20px;
}

.breadcrumbs a {
  color: inherit;
  text-decoration: none;
}

.breadcrumbs a:hover {
  color: var(--ink);
}

.breadcrumbs span {
  color: var(--dim);
}

.detail-title-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 20px;
}

.detail-title {
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin: 0 0 10px;
  color: var(--ink-strong);
  overflow-wrap: anywhere;
}

.detail-title span {
  color: var(--mute);
  font-weight: 400;
}

.detail-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.detail-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 16px;
}

.link-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 8px 14px;
  font: 500 13.5px var(--font-sans);
  color: var(--ink);
  text-decoration: none;
  transition: all 0.15s ease;
}

.link-pill:hover {
  border-color: var(--line-hover);
  color: var(--ink-strong);
  background: var(--panel-hover);
}

.link-pill svg {
  width: 15px;
  height: 15px;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
}

/* Detail Timeline */
.journey-section {
  padding: 40px 0 60px;
}

.journey-title {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 8px;
  color: var(--ink-strong);
}

.journey-desc {
  color: var(--mute);
  margin: 0 0 32px;
  font-size: 14.5px;
}

.timeline {
  position: relative;
  border-left: 2px solid var(--line);
  margin-left: 12px;
  padding-left: 28px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.timeline-item {
  position: relative;
}

.timeline-node {
  position: absolute;
  left: -35px;
  top: 18px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--panel);
  border: 2px solid var(--ember);
  box-shadow: 0 0 8px var(--ember-glow);
}

.timeline-item:not(:first-child) .timeline-node {
  border-color: var(--line-strong);
  box-shadow: none;
}

.version-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 20px 22px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.version-card:hover {
  border-color: var(--line-hover);
}

.version-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 14px;
}

.version-tag-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.version-tag {
  font: 700 18px var(--font-mono);
  color: var(--ink-strong);
}

.version-flarum {
  font: 500 12px var(--font-mono);
  background: var(--bg-subtle);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 2px 8px;
  color: var(--mute);
}

.version-details-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px 20px;
  font-size: 13.5px;
  color: var(--mute);
  padding-top: 12px;
  border-top: 1px solid var(--line);
  margin-top: 12px;
}

.version-detail-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.version-detail-label {
  font: 500 11px var(--font-mono);
  color: var(--dim);
  text-transform: uppercase;
}

.version-detail-val {
  font: 500 13px var(--font-mono);
  color: var(--ink);
  overflow-wrap: anywhere;
}

.commit-hash {
  color: var(--ember2);
  text-decoration: none;
}

.commit-hash:hover {
  text-decoration: underline;
}

.version-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
}

/* Recovery Code Box */
.recovery-box {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 20px 22px;
  margin: 40px 0;
}

.recovery-title {
  font: 600 14px var(--font-sans);
  color: var(--ink-strong);
  margin: 0 0 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.recovery-desc {
  font-size: 13.5px;
  color: var(--mute);
  margin: 0 0 14px;
}

.code-snippet {
  position: relative;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 12px 50px 12px 16px;
  font: 400 13.5px var(--font-mono);
  color: var(--ink-strong);
  overflow-x: auto;
}

.btn-copy {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--panel);
  border: 1px solid var(--line);
  color: var(--mute);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  font: 500 11.5px var(--font-mono);
  cursor: pointer;
}

.btn-copy:hover {
  color: var(--ink-strong);
  border-color: var(--line-hover);
}

/* Markdown Documents (Policy, Disclaimer) */
.doc-wrap {
  padding: 48px 0 80px;
  max-width: 820px;
}

.doc-wrap h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  margin-bottom: 8px;
}

.doc-wrap h2 {
  font-size: 24px;
  margin: 40px 0 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
  color: var(--ink-strong);
}

.doc-wrap h3 {
  font-size: 18px;
  margin: 28px 0 12px;
  color: var(--ink-strong);
}

.doc-wrap p, .doc-wrap li {
  line-height: 1.7;
  color: var(--ink);
}

.doc-wrap a {
  color: var(--ember2);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.doc-wrap a:hover {
  color: var(--ember);
}

.doc-wrap blockquote {
  border-left: 3px solid var(--ember);
  background: var(--panel);
  padding: 14px 20px;
  margin: 24px 0;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.doc-wrap blockquote p {
  margin: 0;
  color: var(--mute);
}

.alert {
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin: 24px 0;
  border: 1px solid var(--line);
  background: var(--panel);
}

.alert-title {
  font: 700 12px var(--font-mono);
  margin-bottom: 6px;
  letter-spacing: 0.05em;
}

.alert-important, .alert-warning {
  border-color: var(--warning);
  background: var(--warning-bg);
}
.alert-important .alert-title, .alert-warning .alert-title {
  color: var(--warning);
}

.alert-note {
  border-color: var(--line-strong);
}

.table-wrap {
  overflow-x: auto;
  margin: 24px 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  text-align: left;
}

.data-table th, .data-table td {
  padding: 12px 18px;
  border-bottom: 1px solid var(--line);
}

.data-table th {
  background: var(--panel);
  color: var(--ink-strong);
  font-weight: 600;
}

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

/* Footer */
footer {
  margin-top: auto;
  border-top: 1px solid var(--line);
  padding: 36px 0 48px;
  color: var(--mute);
  font-size: 14px;
  line-height: 1.6;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.footer-copy {
  max-width: 72ch;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 24px;
  font-size: 13.5px;
}

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

.footer-links a:hover {
  color: var(--ink-strong);
}

/* Responsive Overrides */
@media (max-width: 768px) {
  header {
    padding: 16px 0 14px;
    flex-wrap: wrap;
    gap: 12px;
  }
  .nav-links {
    order: 3;
    width: 100%;
    padding-top: 8px;
    border-top: 1px solid var(--line);
    gap: 16px;
    font-size: 13.5px;
  }
  .hero {
    padding: 28px 0 16px;
  }
  h1 {
    font-size: 2.1rem;
    margin-bottom: 12px;
    letter-spacing: -0.025em;
  }
  .lede {
    font-size: 1rem;
    margin-bottom: 20px;
    line-height: 1.5;
  }
  .chart-container {
    padding: 16px 14px 10px;
    margin-bottom: 24px;
  }
  .chart-header {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
  }
  .chart-title {
    font-size: 13px;
  }
  .chart-legend {
    gap: 6px;
    font-size: 11px;
  }
  .chart-legend-item {
    padding: 1px 4px;
  }
  .stats-ribbon {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin: 20px 0 28px;
  }
  .stat-card {
    padding: 12px 14px;
    gap: 2px;
  }
  .stat-label {
    font-size: 11px;
  }
  .stat-val {
    font-size: 22px;
  }
  .stat-sub {
    font-size: 12px;
  }
  .search-input {
    padding: 13px 44px 13px 42px;
    font-size: 15px;
  }
  .search-icon {
    left: 14px;
    width: 18px;
    height: 18px;
  }
  .search-kbd {
    display: none;
  }
  .filters-row {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }
  .chip {
    padding: 6px 12px;
    font-size: 13px;
    min-height: 36px;
    gap: 6px;
  }
  .secondary-filters {
    justify-content: space-between;
    width: 100%;
  }
  .select-filter {
    flex: 1;
    min-height: 36px;
    padding: 6px 28px 6px 12px;
    font-size: 13px;
  }
  .ext-row {
    grid-template-columns: 1fr;
    padding: 14px 0;
    gap: 10px;
  }
  .ext-actions {
    margin-top: 4px;
    display: flex;
    width: 100%;
  }
  .ext-actions .btn-browse {
    flex: 1;
    justify-content: center;
    padding: 8px 12px;
    font-size: 13px;
  }
  .ext-actions .btn-details {
    padding: 8px 10px;
    font-size: 13px;
  }
}

@media (max-width: 480px) {
  .stats-ribbon {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }
  .stat-val {
    font-size: 20px;
  }
  .detail-title {
    font-size: 1.8rem;
  }
  .timeline {
    margin-left: 6px;
    padding-left: 20px;
  }
  .timeline-node {
    left: -27px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .layer {
    animation: none !important;
    transition: none !important;
  }
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}