/* Shared essay styles, with page-specific components scoped by body class. */

html {
  overflow-x: hidden;
}

:where(.blog-index) h1 {
  margin: 0.35rem 0 0;
  font-size: clamp(2.2rem, 4vw, 3rem);
  font-weight: 600;
  letter-spacing: 0.01em;
}

p {
  margin: 0;
  line-height: 1.7;
}

:where(.blog-index) .summary {
  margin-top: 0.9rem;
  color: var(--muted);
  font-size: 1.08rem;
}

:where(.blog-index) .stack {
  margin-top: 2.5rem;
  display: grid;
  gap: 1.5rem;
  grid-template-columns: minmax(0, 1fr);
}

:where(.blog-index) .post-list {
  margin: 0;
  padding-left: 1.25rem;
  line-height: 1.7;
}

:where(.blog-index) .post-list li {
  margin: 0.4rem 0;
}

.muted {
  color: var(--muted);
}

.nav-right {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: flex-end;
  align-items: center;
}

.hero {
  display: grid;
  gap: 1.25rem;
}

.panel h3:first-of-type,
:where(.blog-continuous) .panel h2:first-of-type {
  margin-top: 0.5rem;
}

.panel p + p {
  margin-top: 0.9rem;
}

.panel p + .bullets {
  margin-top: 0.9rem;
}

.panel .bullets + p {
  margin-top: 0.9rem;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 0.95em;
}

.bullets {
  margin: 0;
  padding-left: 1.25rem;
  line-height: 1.7;
}

.bullets li {
  margin: 0.35rem 0;
}

mjx-container[jax="SVG"][display="true"] {
  max-width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
}

figure {
  margin: 0;
  display: grid;
  gap: 0.85rem;
}

:where(.blog-kernel) .figure-placeholder {
  border-radius: 14px;
  border: 1px dashed rgba(31, 42, 55, 0.18);
  background: rgba(31, 42, 55, 0.03);
  padding: 1.25rem 1.35rem;
  display: grid;
  gap: 0.4rem;
}

figcaption {
  color: var(--muted);
  line-height: 1.6;
  font-size: 1rem;
}

figcaption strong {
  color: var(--ink);
  font-weight: 600;
}

details {
  padding-top: 0.9rem;
  border-top: 1px solid rgba(31, 42, 55, 0.08);
}

details:first-of-type {
  padding-top: 0;
  border-top: none;
}

summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--ink);
  list-style: none;
}

summary::-webkit-details-marker {
  display: none;
}

details p {
  margin-top: 0.65rem;
  color: var(--muted);
}

.callout {
  background: rgba(139, 58, 58, 0.04);
  border-color: rgba(139, 58, 58, 0.18);
}

.callout::before {
  background: var(--accent-strong);
}

:where(.blog-scoring) .panel h4 {
  margin: 1.55rem 0 0.65rem;
  font-size: 1.08rem;
  font-weight: 500;
  letter-spacing: 0.01em;
}

:where(.blog-scoring) .panel h4:first-of-type {
  margin-top: 0.5rem;
}

:where(.blog-scoring) figure img {
  width: 100%;
  height: auto;
}

:where(.blog-scoring) .panel p + figure,
:where(.blog-scoring) .panel .bullets + figure,
:where(.blog-scoring) .panel figure + p,
:where(.blog-scoring) .panel figure + figure {
  margin-top: 1rem;
}

:where(.blog-scoring) .table-wrap {
  margin-top: 1rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

:where(.blog-scoring) .score-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 0.98rem;
  line-height: 1.45;
}

:where(.blog-scoring) .score-table th,
:where(.blog-scoring) .score-table td {
  padding: 0.55rem 0.5rem;
  border-bottom: 1px solid rgba(31, 42, 55, 0.1);
  text-align: left;
  vertical-align: top;
}

:where(.blog-scoring) .score-table th {
  color: var(--accent-strong);
  font-weight: 600;
}

:where(.blog-scoring) .score-table .num {
  text-align: right;
  white-space: nowrap;
}

:where(.blog-scoring) .score-table strong {
  color: var(--accent-strong);
  font-weight: 600;
}

:where(.blog-scoring) .table-wrap + p {
  margin-top: 0.85rem;
}

:where(.blog-scoring) .table-wrap + .bullets {
  margin-top: 1rem;
}

:where(.blog-scoring) p + .table-wrap {
  margin-top: 1rem;
}

:where(.blog-state) figure img {
  display: block;
  width: 100%;
  height: auto;
}

:where(.blog-state) .figure-scroll {
  min-width: 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

:where(.blog-state) .panel p + figure,
:where(.blog-state) .panel .bullets + figure,
:where(.blog-state) .panel figure + p,
:where(.blog-state) .panel figure + figure {
  margin-top: 1rem;
}

:where(.blog-state) .math-block + p {
  margin-top: 0.85rem;
}

:where(.blog-state) .figure-compact {
  width: min(34rem, 100%);
  margin-left: auto;
  margin-right: auto;
}

:where(.blog-state) .figure-wide {
  width: min(64rem, calc(100vw - 3rem));
  margin-left: 50%;
  transform: translateX(-50%);
}

:where(.blog-state) .task-coarsening-figure {
  width: min(62rem, calc(100vw - 3rem));
  margin-left: 50%;
  transform: translateX(-50%);
}

:where(.blog-state) .task-coarsening {
  width: min(50rem, 100%);
  justify-self: center;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr) auto minmax(0, 1fr);
  gap: 0.75rem;
  align-items: stretch;
}

:where(.blog-state) .task-coarsening-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  align-items: start;
}

:where(.blog-state) .coarsening-stage {
  min-width: 0;
  padding: 0.9rem;
  border: 1px solid rgba(31, 42, 55, 0.12);
  background: rgba(31, 42, 55, 0.025);
  display: grid;
  grid-template-rows: auto repeat(3, minmax(3.15rem, auto)) auto minmax(8.5rem, auto);
  gap: 0.55rem;
  align-items: center;
}

:where(.blog-state) .coarsening-stage-matrix {
  min-width: 0;
  min-height: 8.5rem;
  padding-top: 0.55rem;
  border-top: 1px solid rgba(31, 42, 55, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow-x: auto;
  color: var(--ink);
  font-size: 0.9rem;
  line-height: 1;
}

:where(.blog-state) .coarsening-stage-matrix mjx-container[display="true"] {
  margin: 0 !important;
}

:where(.blog-state) .coarsening-stage h4 {
  margin: 0 0 0.2rem;
  color: var(--accent-strong);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-align: center;
  text-transform: uppercase;
}

:where(.blog-state) .state-cluster {
  min-width: 0;
  min-height: 2.65rem;
  padding: 0.35rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  align-content: center;
  align-items: center;
  justify-content: center;
}

:where(.blog-state) .state-cluster-exact {
  border: 1px solid rgba(139, 58, 58, 0.25);
  background: rgba(139, 58, 58, 0.035);
}

:where(.blog-state) .state-cluster-near {
  border: 1px dashed rgba(139, 58, 58, 0.38);
  background: rgba(139, 58, 58, 0.055);
}

:where(.blog-state) .state-cluster small {
  flex-basis: 100%;
  color: var(--muted);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.7rem;
  line-height: 1.2;
  text-align: center;
}

:where(.blog-state) .state-node {
  min-width: 2.2rem;
  padding: 0.2rem 0.42rem;
  border: 1px solid rgba(31, 42, 55, 0.16);
  background: rgba(255, 255, 255, 0.6);
  box-sizing: border-box;
  line-height: 1.25;
  text-align: center;
}

:where(.blog-state) .state-node-strong {
  border-color: rgba(139, 58, 58, 0.35);
  color: var(--accent-strong);
  font-weight: 600;
}

:where(.blog-state) .coarsening-count {
  color: var(--muted);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.75rem;
  line-height: 1.3;
  text-align: center;
}

:where(.blog-state) .coarsening-arrow {
  min-width: 3.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  align-items: center;
  align-self: center;
  color: var(--muted);
  font-family: Arial, Helvetica, sans-serif;
  text-align: center;
}

:where(.blog-state) .coarsening-arrow span {
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

:where(.blog-state) .coarsening-arrow strong {
  color: var(--accent-strong);
  font-family: Georgia, serif;
  font-size: 1.5rem;
  font-weight: 400;
  line-height: 1;
}

:where(.blog-diversity) .sensitivity-table {
  min-width: 760px;
}

:where(.blog-scoring) .fit-lab {
  margin-top: 1.15rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(31, 42, 55, 0.08);
  display: grid;
  gap: 0.75rem;
  min-width: 0;
}

:where(.blog-scoring) .fit-lab > *,
:where(.blog-scoring) .fit-lab-controls,
:where(.blog-scoring) .fit-lab-stage {
  min-width: 0;
  max-width: 100%;
  box-sizing: border-box;
}

:where(.blog-scoring) .fit-lab-controls {
  display: grid;
  grid-template-columns: minmax(72px, 0.62fr) minmax(112px, 0.85fr) minmax(82px, 0.62fr) auto;
  gap: 0.6rem;
  align-items: end;
}

:where(.blog-scoring) .fit-note {
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.45;
  margin: 0;
}

:where(.blog-scoring) .fit-control {
  display: grid;
  gap: 0.25rem;
  min-width: 0;
}

:where(.blog-scoring) .fit-control span,
:where(.blog-scoring) .fit-actions-label {
  color: var(--accent-strong);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

:where(.blog-scoring) .fit-control select,
:where(.blog-scoring) .fit-control input {
  width: 100%;
  box-sizing: border-box;
  border: 1px solid rgba(31, 42, 55, 0.16);
  border-radius: 7px;
  background: #fff;
  color: var(--ink);
  font: inherit;
  padding: 0.42rem 0.5rem;
  min-height: 2.2rem;
}

:where(.blog-scoring) .fit-control input[type="range"] {
  padding-inline: 0;
}

:where(.blog-scoring) .fit-actions {
  display: flex;
  flex-wrap: nowrap;
  gap: 0.35rem;
  align-items: center;
}

:where(.blog-scoring) .fit-actions-wrap {
  display: grid;
  gap: 0.25rem;
}

:where(.blog-scoring) .fit-actions button {
  border: 1px solid rgba(31, 42, 55, 0.14);
  border-radius: 7px;
  background: #fff;
  color: var(--ink);
  cursor: pointer;
  font: inherit;
  font-weight: 600;
  padding: 0.42rem 0.62rem;
  min-height: 2.2rem;
  white-space: nowrap;
}

:where(.blog-scoring) .fit-actions button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

:where(.blog-scoring) .fit-actions button:hover,
:where(.blog-scoring) .fit-actions button:focus-visible {
  border-color: var(--accent);
  color: var(--accent-strong);
}

:where(.blog-scoring) .fit-actions button.primary:hover,
:where(.blog-scoring) .fit-actions button.primary:focus-visible {
  background: var(--accent-strong);
  color: #fff;
}

:where(.blog-scoring) .fit-lab-stage {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(180px, 0.26fr);
  gap: 0.85rem;
  align-items: start;
}

:where(.blog-scoring) .fit-plot {
  width: 100%;
  aspect-ratio: 1.95;
  min-height: 255px;
  border: 1px solid rgba(31, 42, 55, 0.08);
  background: #fff;
  cursor: crosshair;
  touch-action: manipulation;
}

:where(.blog-scoring) .component-gain {
  border: 1px solid rgba(31, 42, 55, 0.08);
  background: #fff;
  padding: 0.85rem;
}

:where(.blog-scoring) .gain-title {
  color: var(--ink);
  font-weight: 700;
  font-size: 1.05rem;
  margin-bottom: 0.2rem;
}

:where(.blog-scoring) .gain-subtitle {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 0.8rem;
}

:where(.blog-scoring) .gain-grid {
  display: grid;
  grid-template-columns: minmax(5.5rem, 0.55fr) repeat(2, minmax(7.5rem, 1fr));
  gap: 0.5rem 0.75rem;
  align-items: start;
  color: var(--muted);
  font-size: 0.9rem;
}

:where(.blog-scoring) .gain-header {
  color: var(--accent-strong);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

:where(.blog-scoring) .gain-row {
  display: contents;
}

:where(.blog-scoring) .gain-rule,
:where(.blog-scoring) .gain-score-main {
  color: var(--ink);
  font-weight: 700;
}

:where(.blog-scoring) .gain-score-sub {
  color: var(--muted);
  font-size: 0.78rem;
  margin-top: 0.1rem;
}

:where(.blog-scoring) .gain-empty {
  color: var(--muted);
  font-size: 0.9rem;
}

:where(.blog-scoring) .fit-metrics {
  display: grid;
  gap: 0.65rem;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.35;
}

:where(.blog-scoring) .fit-status {
  color: var(--ink);
  font-weight: 600;
}

:where(.blog-scoring) .fit-metric {
  border-top: 1px solid rgba(31, 42, 55, 0.08);
  padding-top: 0.55rem;
}

:where(.blog-scoring) .fit-metric:first-child {
  border-top: none;
  padding-top: 0;
}

:where(.blog-scoring) .fit-metric strong {
  color: var(--ink);
  display: block;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

:where(.blog-scoring) .fit-summary {
  color: var(--muted);
  display: grid;
  gap: 0.18rem;
  font-size: 0.86rem;
  font-variant-numeric: tabular-nums;
}

:where(.blog-scoring) .fit-risk {
  color: var(--ink);
  font-weight: 500;
}

:where(.blog-scoring) .fit-component {
  display: grid;
  grid-template-columns: 3.1em 4.1em 4.4em;
  gap: 0.35rem;
  align-items: baseline;
}

:where(.blog-scoring) .fit-component span {
  white-space: nowrap;
}

:where(.blog-oed) .stack-tight {
  margin-top: 1.5rem;
  display: grid;
  gap: 1.5rem;
  grid-template-columns: minmax(0, 1fr);
}

:where(.blog-oed) pre {
  margin: 0.9rem 0;
  padding: 1rem 1.1rem;
  border-radius: 14px;
  border: 1px solid rgba(31, 42, 55, 0.12);
  background: rgba(31, 42, 55, 0.04);
  overflow-x: auto;
  max-width: 100%;
  box-sizing: border-box;
  -webkit-overflow-scrolling: touch;
}

:where(.blog-oed) .code-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
  margin-top: 1rem;
}

:where(.blog-oed) .code-grid.single {
  grid-template-columns: 1fr;
}

:where(.blog-oed) .code-grid pre {
  margin: 0;
}

:where(.blog-oed) .code-grid > * {
  min-width: 0;
}

:where(.blog-oed) .code-title {
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 0.75rem;
  color: var(--accent-strong);
  font-weight: 600;
  margin: 0 0 0.55rem;
}

:where(.blog-oed) figure img {
  width: 100%;
  height: auto;
  border-radius: 14px;
  border: 1px solid rgba(31, 42, 55, 0.08);
  background: #ffffff;
}

@media (max-width: 900px) {
  .grid {
    grid-template-columns: 1fr;
  }

  :where(.blog-oed) .code-grid {
    grid-template-columns: 1fr;
  }
}

:root {
  color-scheme: light;
  font-family: "Crimson Pro", "Times New Roman", serif;
  --ink: #202a35;
  --muted: #5f6973;
  --bg: #f0f1f2;
  --panel: transparent;
  --accent: #7d3438;
  --accent-strong: #7d3438;
  --accent-soft: rgba(125, 52, 56, 0.08);
  --line: rgba(32, 42, 53, 0.18);
}

body {
  margin: 0;
  min-height: 100vh;
  align-items: center;
  justify-content: center;
  display: block;
  padding: 0;
  color: var(--ink);
  background: var(--bg);
}

.shell {
  position: relative;
  width: min(1040px, calc(100% - 3rem));
  margin: 0 auto;
  padding: 1.25rem 0 5rem;
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  overflow: visible;
}

.top-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding-bottom: 1.25rem;
  margin-bottom: clamp(2.5rem, 6vw, 4.5rem);
  border-bottom: 1px solid var(--line);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.85rem;
}

.text-link {
  font-weight: 500;
  color: var(--muted);
}

.text-link:hover,
.text-link:focus-visible {
  color: var(--accent);
}

.hero,
.shell > header:not(.hero) {
  max-width: 52rem;
  margin-left: auto;
  margin-right: auto;
}

.eyebrow {
  text-transform: uppercase;
  color: var(--accent-strong);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
}

h1 {
  margin: 0.35rem 0 1.15rem;
  font-size: clamp(2.6rem, 6vw, 4.6rem);
  font-weight: 500;
  letter-spacing: -0.05em;
  line-height: 0.94;
}

.summary {
  max-width: 78ch;
  color: var(--muted);
  font-size: 1.18rem;
  line-height: 1.62;
}

.hero .summary {
  padding: 0.15rem 0 0.2rem 1.1rem;
  border-left: 3px solid var(--accent);
  color: var(--ink);
}

.post-date,
.post-list-date {
  color: var(--muted);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
}

.post-heading h1 {
  margin-bottom: 0.55rem;
}

.post-date {
  margin: 0;
}

.post-list-date {
  display: block;
  margin-bottom: 0.2rem;
}

a {
  text-decoration: none;
  font-weight: 600;
  color: var(--accent-strong);
}

a:hover,
a:focus-visible {
  color: #5f272b;
}

.stack {
  margin-top: 2.75rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  width: min(56rem, 100%);
  margin: clamp(3.5rem, 8vw, 6rem) auto 0;
  gap: 3rem;
}

.stack-tight {
  gap: 1.5rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 3rem;
}

.panel {
  position: relative;
  min-width: 0;
  padding: 1rem 0 0;
  background: transparent;
  border: 0;
  border-top: 1px solid var(--line);
  border-radius: 0;
  box-shadow: none;
}

.panel::before {
  content: "";
  position: absolute;
  left: 1.75rem;
  top: 0.85rem;
  width: 42px;
  height: 2px;
  border-radius: 999px;
  background: var(--accent);
  display: none;
}

.panel.callout {
  background: transparent;
  border-color: var(--accent);
}

.panel h2 {
  text-transform: uppercase;
  margin: 0 0 1.15rem;
  color: var(--accent-strong);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.panel h3,
:where(.blog-continuous) .panel h2 {
  margin: 1.85rem 0 0.85rem;
  color: inherit;
  font-family: inherit;
  font-size: 1.35rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  text-transform: none;
}

.post-list {
  padding-left: 1.1rem;
}

.post-list li {
  margin: 0.75rem 0;
}

.math-block,
.code-grid pre,
.table-wrap {
  border-radius: 0;
  box-shadow: none;
}

.math-block {
  margin: 0.5rem 0 0;
  overflow-x: auto;
  max-width: 100%;
  -webkit-overflow-scrolling: touch;
  border-left-color: var(--accent);
}

@media (max-width: 700px) {
  .shell { width: min(100% - 2rem, 1040px); padding-bottom: 3.5rem; }
  .top-nav { margin-bottom: 3rem; }
  .grid { grid-template-columns: 1fr; gap: 2rem; }
  :where(.blog-scoring) .fit-lab-controls,
  :where(.blog-scoring) .fit-lab-stage { grid-template-columns: minmax(0, 1fr); }
  :where(.blog-scoring) .fit-actions { flex-wrap: wrap; }
  :where(.blog-scoring) .fit-plot { min-height: 240px; }
  :where(.blog-state) .figure-wide {
    width: calc(100vw - 2rem);
  }
  :where(.blog-state) .task-coarsening-figure {
    width: calc(100vw - 2rem);
  }
  :where(.blog-state) .task-coarsening {
    grid-template-columns: minmax(0, 1fr);
  }
  :where(.blog-state) .task-coarsening-layout {
    grid-template-columns: minmax(0, 1fr);
  }
  :where(.blog-state) .coarsening-arrow {
    min-width: 0;
    min-height: 2.5rem;
  }
  :where(.blog-state) .coarsening-arrow strong {
    transform: rotate(90deg);
  }
  :where(.blog-state) .figure-scroll img {
    width: 680px;
    max-width: none;
  }
  :where(.blog-state) .figure-compact .figure-scroll img {
    width: 500px;
  }
  :where(.blog-state) .figure-wide .figure-scroll img {
    width: 960px;
  }
}