:root {
  --ink: #111111;
  --muted: #4b4b4b;
  --paper: #f5f5f5;
  --panel: rgba(255, 255, 255, 0.88);
  --accent: #4338ca;
  --accent-light: #5b50e6;
  --accent-2: #b83a06;
  --highlight: #0d9488;
  --line: rgba(0, 0, 0, 0.1);
  --shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
  --input-bg: rgba(255, 255, 255, 0.9);
  --bg-body-1: #e4e2ef;
  --bg-body-2: #ddd9ec;
  --bg-body-3: #eef0f0;
  --bg-body-4: #f3f4f4;
  --bg-body-5: #f7f7f7;
  --bg-shape-a: rgba(67, 56, 202, 0.14);
  --bg-shape-b: rgba(184, 58, 6, 0.08);
  --mono-bg: rgba(255, 255, 255, 0.74);
  --status-bg: rgba(17, 17, 17, 0.82);
  --status-fg: #ffffff;
  color-scheme: light;
}

[data-theme="dark"] {
  --ink: #e8e8e8;
  --muted: #9a9a9a;
  --paper: #141418;
  --panel: rgba(28, 28, 34, 0.92);
  --accent: #8d6ff5;
  --accent-light: #9186f7;
  --accent-2: #e8622c;
  --highlight: #2dd4bf;
  --line: rgba(255, 255, 255, 0.1);
  --shadow: 0 12px 40px rgba(0, 0, 0, 0.32);
  --input-bg: rgba(255, 255, 255, 0.07);
  --bg-body-1: transparent;
  --bg-body-2: transparent;
  --bg-body-3: #141418;
  --bg-body-4: #18181c;
  --bg-body-5: #1c1c22;
  --bg-shape-a: rgba(124, 111, 245, 0.08);
  --bg-shape-b: rgba(232, 98, 44, 0.05);
  --mono-bg: rgba(255, 255, 255, 0.05);
  --status-bg: rgba(255, 255, 255, 0.88);
  --status-fg: #111111;
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: "Space Grotesk", sans-serif;
  color: var(--ink);
  background: radial-gradient(1200px 600px at -10% -20%, var(--bg-body-1) 0%, transparent 60%),
              radial-gradient(1000px 500px at 120% 0%, var(--bg-body-2) 0%, transparent 55%),
              linear-gradient(160deg, var(--bg-body-3), var(--bg-body-4) 45%, var(--bg-body-5) 100%);
}

body {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

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

code,
.mono,
.mono-block,
.stat-grid dd,
.artifact-list a,
.status-pill,
.meta-line,
.table-cell-mono {
  font-family: "IBM Plex Mono", monospace;
}

.table-cell-num {
  font-variant-numeric: tabular-nums;
}

.grouped-instance-table {
  width: 100%;
  border-collapse: collapse;
}

.grouped-instance-table tbody.group {
  border-top: 1px solid var(--line);
}

.grouped-instance-table tbody.group:first-of-type {
  border-top: none;
}

.grouped-instance-table tr.group-header td.group-header-cell {
  padding: 0.85rem 0.6rem 0.45rem;
  font-weight: 600;
  background: color-mix(in srgb, var(--accent) 6%, transparent);
}

.grouped-instance-table .group-name {
  font-family: "IBM Plex Mono", monospace;
  font-size: 1.02em;
  color: var(--ink);
}

.grouped-instance-table tr.group-sub td.indent {
  width: 1.4rem;
  color: var(--muted);
  text-align: center;
  user-select: none;
}

.context-prose {
  max-width: 88ch;
  margin: 0 auto;
}

.context-prose p {
  margin: 0 0 1rem;
  line-height: 1.7;
  color: var(--ink);
}

.context-prose ul {
  margin: 0 0 1rem 1.25rem;
  padding: 0;
  line-height: 1.65;
}

.context-prose li {
  margin: 0.35rem 0;
}

.context-prose a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

.context-prose code {
  background: var(--mono-bg);
  border: 1px solid var(--line);
  border-radius: 0.35rem;
  padding: 0.08rem 0.3rem;
}

/* History timeline */
.history-timeline {
  position: relative;
  list-style: none;
  padding: 0 0 0 1.6rem;
  margin: 0;
  border-left: 2px solid var(--line);
}

.timeline-node {
  position: relative;
  margin: 0 0 1.5rem 0;
}

.timeline-node:last-child {
  margin-bottom: 0;
}

.timeline-dot {
  position: absolute;
  left: -1.95rem;
  top: 0.6rem;
  width: 0.9rem;
  height: 0.9rem;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px var(--paper);
}

.timeline-node[data-current="true"] .timeline-dot {
  background: var(--accent-2);
}

.timeline-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0.9rem 1rem;
  box-shadow: var(--shadow);
}

.timeline-header {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-bottom: 0.4rem;
}

.timeline-date {
  font-weight: 600;
  font-size: 1.02em;
}

.timeline-summary {
  margin: 0.2rem 0 0.4rem 0;
}

.timeline-counts {
  margin: 0 0 0.4rem 0;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.92em;
  color: var(--muted);
}

.timeline-initial-tag {
  text-transform: uppercase;
  font-size: 0.75em;
  letter-spacing: 0.05em;
}

/* Change sections (per-snapshot detail page) */
.initial-banner {
  font-style: italic;
}

.change-section,
.change-subsection {
  margin-top: 0.6rem;
}

.change-section > summary,
.change-subsection > summary {
  cursor: pointer;
  font-weight: 600;
  padding: 0.25rem 0;
  user-select: none;
}

.change-subsection {
  margin-left: 1rem;
}

.change-subsection > summary {
  font-weight: 500;
}

.change-list {
  list-style: none;
  padding-left: 0.4rem;
  margin: 0.3rem 0;
}

.change-list li {
  padding: 0.18rem 0;
  font-size: 0.95em;
}

.change-add {
  color: var(--accent);
}

.change-remove {
  color: var(--accent-2);
}

.change-improve .change-delta {
  color: var(--accent);
}

.change-regress .change-delta {
  color: var(--accent-2);
}

.change-from,
.change-to {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.95em;
}

.change-delta {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.92em;
  margin-left: 0.3rem;
}

.bg-shape {
  position: fixed;
  pointer-events: none;
  filter: blur(4px);
  z-index: 0;
}

.bg-shape-a {
  width: 300px;
  height: 300px;
  top: 8vh;
  right: 6vw;
  border: 2px dashed var(--bg-shape-a);
  border-radius: 40% 60% 52% 48%;
  animation: drift 18s ease-in-out infinite;
}

.bg-shape-b {
  width: 240px;
  height: 240px;
  bottom: 6vh;
  left: 10vw;
  background: radial-gradient(circle at 30% 30%, var(--bg-shape-b), transparent 65%);
  border-radius: 58% 42% 64% 36%;
  animation: drift 22s ease-in-out infinite reverse;
}

.app-header,
.layout,
.status-pill {
  position: relative;
  z-index: 1;
}

.app-header {
  padding: 1.5rem 1.25rem 0.75rem;
}

body[data-route-path="/"] .app-header {
  padding: 0;
  z-index: 30;
  pointer-events: none;
}

body[data-route-path="/"] .header-row {
  display: block;
}

body[data-route-path="/"] .header-row > div,
body[data-route-path="/"] .primary-nav,
body[data-route-path="/"] .breadcrumbs {
  display: none;
}

body[data-route-path="/"] .theme-toggle {
  position: fixed;
  top: 1.25rem;
  right: 1.25rem;
  z-index: 20;
  pointer-events: auto;
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-size: clamp(1.35rem, 3.4vw, 2.2rem);
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand-logo {
  width: clamp(2.4rem, 4.2vw, 3.6rem);
  height: clamp(2.4rem, 4.2vw, 3.6rem);
  object-fit: contain;
  flex: 0 0 auto;
}

.brand-tagline,
#pageIntro {
  margin: 0.45rem 0 0;
  color: var(--muted);
}

.primary-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1rem;
}

.nav-link,
.button-link,
.mini-link,
.selector-chip,
.bks-chip {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  color: var(--ink);
  padding: 0.55rem 0.85rem;
  font-weight: 600;
  transition: background 120ms ease, transform 120ms ease, border-color 120ms ease;
}

.nav-link.active,
.button-link.primary,
.selector-chip.active,
.bks-chip.active {
  background: var(--accent);
  border-color: transparent;
  color: #ffffff;
}

.nav-link:hover,
.button-link:hover,
.mini-link:hover,
.selector-chip:hover,
.bks-chip:hover {
  background: var(--accent-light);
  border-color: transparent;
  color: #ffffff;
  transform: translateY(-1px);
}

.bks-link-chip-row {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

a.bks-link-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  border: 1px solid var(--line);
  border-radius: 0.55rem;
  background: color-mix(in srgb, var(--accent) 8%, transparent);
  color: var(--ink);
  padding: 0.3rem 0.6rem;
  font-weight: 600;
  font-size: 0.9em;
  text-decoration: none;
  transition: background 120ms ease, border-color 120ms ease, transform 120ms ease;
}

a.bks-link-chip .bks-link-chip-glyph {
  font-size: 0.85em;
  opacity: 0.7;
}

a.bks-link-chip:hover,
a.bks-link-chip:focus-visible {
  background: var(--accent-light);
  border-color: transparent;
  color: #ffffff;
  transform: translateY(-1px);
}

a.bks-link-chip:hover .bks-link-chip-glyph,
a.bks-link-chip:focus-visible .bks-link-chip-glyph {
  opacity: 1;
}

a.vrp-link {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px dotted color-mix(in srgb, currentColor 40%, transparent);
}

a.vrp-link:hover,
a.vrp-link:focus-visible {
  border-bottom-style: solid;
  color: var(--highlight);
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  margin: 1rem 0 0;
  padding: 0.5rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: color-mix(in srgb, var(--accent) 7%, transparent);
  color: var(--ink);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.96rem;
}

.breadcrumbs:empty {
  display: none;
}

.breadcrumbs::before {
  content: "";
  width: 1.1rem;
  height: 1.1rem;
  flex-shrink: 0;
  background-color: currentColor;
  -webkit-mask: url("icons/folder-arrow-right.svg") no-repeat center / contain;
          mask: url("icons/folder-arrow-right.svg") no-repeat center / contain;
  opacity: 0.85;
}

.breadcrumb-sep {
  opacity: 0.55;
}

.breadcrumb-github-link {
  width: 1.7rem;
  height: 1.7rem;
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  opacity: 0.78;
  transition: opacity 120ms ease, background-color 120ms ease, transform 120ms ease;
}

.breadcrumb-github-link:hover,
.breadcrumb-github-link:focus-visible {
  background: color-mix(in srgb, var(--highlight) 12%, transparent);
  opacity: 1;
  transform: translateY(-1px);
}

.breadcrumb-github-link img {
  width: 1.05rem;
  height: 1.05rem;
  display: block;
}

[data-theme="dark"] .breadcrumb-github-link img {
  filter: invert(1);
}

.page-heading {
  margin-top: 1rem;
}

.page-heading h1 {
  margin: 0;
  font-size: clamp(1.5rem, 3.6vw, 2.6rem);
}

.layout {
  width: 100%;
  padding: 0.75rem 1.25rem 1.25rem;
  display: grid;
  grid-template-columns: minmax(320px, 430px) minmax(0, 1fr);
  gap: 1rem;
  flex: 1 1 auto;
}

.layout[data-shell="editorial"] {
  grid-template-columns: minmax(320px, 380px) minmax(0, 840px);
}

.layout[data-shell="project"] {
  grid-template-columns: minmax(300px, 380px) minmax(0, 1fr);
  align-items: start;
}

.layout[data-shell="project"] #pageAside {
  min-width: 0;
}

.layout[data-shell="project"] #pageAside .stat-grid {
  grid-template-columns: 1fr;
  gap: 0.25rem;
}

.layout[data-shell="project"] #pageAside .stat-grid dt {
  margin-top: 0.35rem;
}

.layout[data-shell="project"] #pageAside .stat-grid dt:first-child {
  margin-top: 0;
}

.layout[data-shell="project"] #pageAside .stat-grid dd {
  overflow-wrap: anywhere;
}

.layout[data-shell="project"] .stage {
  min-width: 0;
  padding: clamp(0.9rem, 1.4vw, 1.35rem);
}

.layout[data-shell="home"] {
  --home-pad-top: clamp(4rem, 7vh, 6rem);
  --home-pad-bottom: clamp(1.25rem, 5vh, 4rem);
  grid-template-columns: minmax(0, 1580px);
  justify-content: center;
  align-items: start;
  min-height: 100dvh;
  padding-top: var(--home-pad-top);
  padding-bottom: var(--home-pad-bottom);
}

.layout[data-shell="home"] #pageAside {
  display: none;
}

.layout[data-shell="home"] .stage {
  border: 0;
  border-radius: 0;
  background: transparent;
  backdrop-filter: none;
  box-shadow: none;
  padding: 0;
  min-width: 0;
}

.layout[data-shell="explorer"] .stage {
  min-height: 68dvh;
}

.panel {
  display: grid;
  gap: 0.8rem;
  align-content: start;
}

.card,
.stage {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow);
}

.card {
  padding: 0.9rem;
}

.card h2,
.stage h2,
.stage h3 {
  margin: 0 0 0.7rem;
}

.stage {
  padding: 1rem;
}

.hero-card {
  display: grid;
  gap: 0.9rem;
  margin-bottom: 1rem;
}

.home-page {
  display: grid;
  gap: clamp(1.15rem, 3vh, 2.5rem);
  align-content: space-between;
  min-height: calc(100dvh - var(--home-pad-top) - var(--home-pad-bottom));
  min-width: 0;
}

.home-hero,
.home-link-card,
.home-problem-card,
.home-preview-card,
.home-publication-note,
.home-stat {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.home-hero {
  border-radius: 14px;
  padding: 1.1rem;
  display: grid;
  grid-template-columns: minmax(700px, 0.95fr) minmax(0, 1.05fr);
  gap: 1rem;
  align-items: stretch;
}

.home-hero-copy {
  display: grid;
  align-content: center;
  gap: 0.9rem;
  min-width: 0;
  padding: 0.75rem;
}

.home-kicker {
  margin: 0;
}

.home-title-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  min-width: 0;
}

.home-title-copy {
  display: grid;
  gap: 0.85rem;
  min-width: 0;
}

.home-project-logo {
  width: clamp(4.5rem, 7vw, 6.5rem);
  max-height: 6.5rem;
  flex: 0 0 auto;
  object-fit: contain;
  filter: drop-shadow(0 10px 24px rgba(0, 0, 0, 0.16));
}

.home-hero h1 {
  margin: 0;
  font-size: 2.5rem;
  line-height: 1.05;
  letter-spacing: 0;
}

.home-hero p {
  max-width: 760px;
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.6;
}

.home-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 0.1rem;
}

.home-actions .button-link,
.home-link-card .button-link,
.home-problem-card .button-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
}

.home-stat-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(82px, 0.72fr)) minmax(230px, 1.9fr);
  gap: 0.65rem;
}

.home-stat {
  border-radius: 12px;
  padding: 0.75rem;
  min-width: 0;
}

.home-stat span {
  display: block;
  color: var(--muted);
  font-size: 0.84rem;
}

.home-stat strong {
  display: block;
  margin-top: 0.25rem;
  font-size: 1.2rem;
  line-height: 1.15;
  overflow-wrap: anywhere;
}

.home-stat:last-child strong {
  font-size: 0.98rem;
  overflow-wrap: normal;
  white-space: nowrap;
}

.home-section {
  display: grid;
  gap: 0.75rem;
}

.home-section-heading {
  display: grid;
  gap: 0.35rem;
  align-items: start;
}

.home-section-heading h2 {
  margin: 0;
  font-size: 1.35rem;
  letter-spacing: 0;
}

.home-section-heading p {
  max-width: none;
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
  text-align: left;
}

.home-link-grid,
.home-problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 0.75rem;
}

.home-link-card,
.home-problem-card,
.home-preview-card {
  border-radius: 12px;
  padding: 0.95rem;
  display: grid;
  gap: 0.7rem;
  align-content: start;
}

.home-link-card {
  grid-template-rows: auto 1fr auto;
}

.home-link-card .button-link,
.home-problem-card .button-link {
  align-self: end;
  margin-top: auto;
}

.home-link-card h3,
.home-problem-card h3,
.home-preview-card h3 {
  margin: 0;
  font-size: 1.05rem;
}

.home-link-card p,
.home-problem-card p,
.home-preview-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.home-preview-showcase {
  display: grid;
  position: relative;
  min-width: 0;
}

.home-preview-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  min-width: 0;
}

.home-preview-heading > div {
  display: grid;
  gap: 0.18rem;
  min-width: 0;
}

.home-preview-heading strong,
.home-preview-heading span {
  overflow-wrap: anywhere;
}

.home-preview-heading strong {
  color: var(--ink);
}

.home-preview-card {
  box-shadow: none;
  align-content: stretch;
  min-height: 100%;
  border: 0;
  background: transparent;
  padding: 0;
  opacity: 1;
  transition: opacity 180ms ease;
}

.home-preview-showcase-swapping .home-preview-card {
  opacity: 0;
}

.home-preview-dots {
  position: absolute;
  right: 0.85rem;
  bottom: 0.85rem;
  display: flex;
  gap: 0.38rem;
  align-items: center;
  padding: 0.28rem 0.36rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--panel) 84%, transparent);
  border: 1px solid var(--line);
}

.home-preview-dot {
  width: 0.42rem;
  height: 0.42rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--muted) 60%, transparent);
  transition: background 180ms ease, transform 180ms ease;
}

.home-preview-dot.active {
  background: var(--accent);
  transform: scale(1.25);
}

.home-preview-card-heading {
  display: grid;
  gap: 0.25rem;
}

.home-preview-card .viewer-toolbar {
  display: none;
}

.home-preview-card .viewer-frame {
  min-height: 300px;
  padding: 0.35rem;
  border-radius: 10px;
}

.home-preview-card .viewer-frame svg {
  min-height: 300px;
  height: 300px;
}

.home-preview-card .empty-state {
  min-height: 300px;
  display: grid;
  place-items: center;
  text-align: center;
}

.home-preview-fallback {
  min-height: 100%;
  align-content: center;
}

.home-card-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
}

.home-card-top span {
  color: var(--muted);
  font-size: 0.85rem;
  white-space: nowrap;
}

.home-publication-note {
  border-radius: 12px;
  padding: 0.9rem;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem 0.85rem;
  color: var(--muted);
}

.home-publication-note strong {
  color: var(--ink);
}

.hero-actions,
.inline-actions,
.chip-row,
.selector-row,
.quick-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.problem-grid,
.family-grid,
.summary-grid,
.detail-grid,
.explainer-grid,
.project-fact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.8rem;
}

.family-grid,
.problem-grid {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.project-page {
  display: grid;
  gap: clamp(0.9rem, 1.5vw, 1.25rem);
  min-width: 0;
  padding-bottom: 3.75rem;
}

.project-lead {
  display: grid;
  gap: 0.65rem;
  min-width: 0;
}

.project-lead h2 {
  margin: 0;
  font-size: clamp(1.75rem, 3.2vw, 3rem);
  line-height: 1.12;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}

.project-lead p {
  max-width: 96ch;
}

.project-logo-panel {
  display: grid;
  gap: 0.8rem;
}

.project-logo-panel h3 {
  margin: 0;
}

.project-logo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(136px, 1fr));
  gap: 0.65rem;
  align-items: stretch;
}

.project-logo-card {
  min-width: 0;
  min-height: 92px;
  margin: 0;
  padding: 0.7rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.92);
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  place-items: center;
  gap: 0.35rem;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease, background-color 0.15s ease;
}

.project-logo-card:hover,
.project-logo-card:focus-visible {
  transform: translateY(-2px);
  border-color: var(--accent, #2563eb);
  box-shadow: 0 6px 18px rgba(15, 23, 42, 0.12);
  background: #ffffff;
  outline: none;
}

.project-logo-card img {
  width: 100%;
  height: 58px;
  object-fit: contain;
}

.project-logo-card-wide img {
  height: 46px;
}

.project-logo-card .project-logo-caption {
  color: #1f2937;
  font-size: 0.78rem;
  font-weight: 600;
  text-align: center;
}

.project-lead-header {
  display: grid;
  grid-template-columns: minmax(5.5rem, 8rem) minmax(0, 1fr);
  gap: clamp(0.9rem, 1.4vw, 1.25rem);
  align-items: center;
}

.project-lead-logo {
  width: 100%;
  max-height: 8rem;
  object-fit: contain;
}

.project-fact-grid {
  grid-template-columns: repeat(6, minmax(0, 1fr));
}

.project-fact {
  display: grid;
  gap: 0.4rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.85rem;
  background: color-mix(in srgb, var(--panel) 94%, transparent);
  min-width: 0;
}

.project-fact span {
  color: var(--muted);
  font-size: 0.85rem;
}

.project-fact strong {
  display: block;
  color: var(--ink);
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.project-fact .mini-link,
.layout[data-shell="project"] #pageAside .mini-link {
  display: inline-flex;
  max-width: 100%;
  width: fit-content;
  white-space: normal;
  overflow-wrap: anywhere;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.8rem;
}

.form-field {
  display: grid;
  gap: 0.35rem;
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: color-mix(in srgb, var(--panel) 90%, transparent);
  color: var(--text);
  padding: 0.7rem 0.8rem;
  font: inherit;
}

.form-field input[type="file"] {
  padding: 0.55rem 0.65rem;
}

.form-field-wide {
  grid-column: 1 / -1;
}

.field-hint {
  color: var(--muted);
  font-size: 0.86rem;
}

.checkbox-field {
  grid-template-columns: auto 1fr;
  align-items: start;
}

.checkbox-field input {
  width: auto;
  margin-top: 0.2rem;
}

.mini-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.85rem;
  background: color-mix(in srgb, var(--panel) 94%, transparent);
}

.family-grid > .mini-card,
.problem-grid > .mini-card {
  display: flex;
  flex-direction: column;
}

.family-grid > .mini-card > .inline-actions,
.problem-grid > .mini-card > .inline-actions {
  margin-top: auto;
  padding-top: 0.9rem;
  flex-wrap: nowrap;
}

.mini-card h3,
.mini-card h4 {
  margin: 0 0 0.45rem;
}

.mini-card p,
.card p,
.stage p,
.card ul,
.stage ul {
  color: var(--muted);
}

.badge-row,
.problem-badges,
.scope-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.5rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.28rem 0.55rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  border: 1px solid var(--line);
}

.badge.alt {
  background: color-mix(in srgb, var(--accent-2) 10%, transparent);
}

.badge-cost,
.stat-cost,
.change-cost-value {
  color: var(--highlight);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.stat-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.35rem 0.6rem;
  margin: 0;
}

.stat-grid dt {
  color: var(--muted);
}

.stat-grid dd {
  margin: 0;
}

.artifact-list,
.link-list,
.plain-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.45rem;
}

.artifact-list a,
.link-list a,
.mini-link {
  color: var(--accent);
}

.table-wrap {
  overflow: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

th,
td {
  text-align: left;
  padding: 0.7rem 0.55rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

th {
  color: var(--muted);
  font-weight: 600;
}

.meta-line,
.route-note {
  color: var(--muted);
  font-size: 0.92rem;
}

.mono-block {
  background: var(--mono-bg);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.8rem;
  overflow: auto;
  white-space: pre-wrap;
}

.viewer-stage {
  display: grid;
  gap: 0.85rem;
}

.viewer-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.viewer-frame {
  min-height: 480px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: color-mix(in srgb, var(--mono-bg) 88%, transparent);
  padding: 0.75rem;
}

.viewer-frame svg {
  width: 100%;
  height: 100%;
  min-height: 440px;
  display: block;
}

.route-line,
.viewer-node {
  cursor: help;
}

.preview-shell,
.preview-summary {
  display: grid;
  gap: 0.8rem;
}

.route-legend {
  display: grid;
  gap: 0.35rem;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.legend-swatch {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  border: 1px solid rgba(0, 0, 0, 0.2);
}

.empty-state {
  border: 1px dashed var(--line);
  border-radius: 12px;
  padding: 1rem;
  color: var(--muted);
  background: color-mix(in srgb, var(--panel) 88%, transparent);
}

.status-pill {
  position: fixed;
  right: 1.25rem;
  bottom: 1rem;
  padding: 0.55rem 0.8rem;
  border-radius: 999px;
  background: var(--status-bg);
  color: var(--status-fg);
  box-shadow: var(--shadow);
}

.theme-toggle {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  width: 54px;
  height: 32px;
}

.theme-toggle input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.toggle-track {
  width: 54px;
  height: 32px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 18%, transparent);
  border: 1px solid var(--line);
}

.toggle-label-icon {
  position: absolute;
  right: 10px;
  font-size: 0.95rem;
}

.theme-toggle input:checked + .toggle-track + .toggle-label-icon {
  left: 10px;
  right: auto;
}

@keyframes drift {
  0%,
  100% {
    transform: translate3d(0, 0, 0) rotate(0deg);
  }
  50% {
    transform: translate3d(10px, -16px, 0) rotate(8deg);
  }
}

@media (max-width: 1500px) {
  .project-fact-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 1180px) {
  .layout,
  .layout[data-shell="editorial"],
  .layout[data-shell="project"] {
    grid-template-columns: 1fr;
  }

  .project-fact-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .status-pill {
    left: 1rem;
    right: 1rem;
    text-align: center;
  }

  .home-hero {
    grid-template-columns: 1fr;
  }

  .home-section-heading p {
    text-align: left;
    white-space: normal;
  }
}

@media (max-width: 980px) {
  .layout,
  .layout[data-shell="editorial"],
  .layout[data-shell="project"] {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  body[data-route-path="/"] .theme-toggle {
    top: 0.75rem;
    right: 0.75rem;
  }

  .layout[data-shell="home"] {
    --home-pad-top: 3.25rem;
    --home-pad-bottom: 1.25rem;
    padding-top: 3.25rem;
  }

  .home-hero {
    padding: 1.15rem;
  }

  .home-title-row {
    gap: 0.8rem;
  }

  .home-project-logo {
    width: clamp(3.75rem, 18vw, 5.25rem);
    max-height: 5.25rem;
  }

  .home-hero h1 {
    font-size: 2rem;
  }

  .home-section-heading {
    display: grid;
    gap: 0.35rem;
  }

  .home-stat-strip {
    grid-template-columns: repeat(auto-fit, minmax(116px, 1fr));
  }

  .home-stat:last-child strong {
    white-space: normal;
  }

  .home-actions .button-link {
    width: 100%;
  }

  .home-preview-heading {
    display: grid;
  }

  .project-fact-grid {
    grid-template-columns: 1fr;
  }

  .project-lead-header {
    grid-template-columns: 1fr;
  }

  .project-lead-logo {
    width: min(8rem, 48vw);
  }

  .layout[data-shell="project"] .stage {
    padding: 0.85rem;
  }

  .home-preview-card .viewer-frame,
  .home-preview-card .viewer-frame svg,
  .home-preview-card .empty-state {
    min-height: 220px;
    height: 220px;
  }
}