/* ──────────────────────────────────────────────
   solarpunk pond palette
   #0A3323 dark green
   #105666 midnight green
   #839958 moss green
   #D3968C rosy brown
   #F7F4D5 beige
   ────────────────────────────────────────────── */

:root {
  --dark-green: #0A3323;
  --midnight:   #105666;
  --moss:       #839958;
  --rosy:       #D3968C;
  --beige:      #F7F4D5;

  --bg:    var(--beige);
  --ink:   var(--dark-green);
  --soft:  #1a3b2c;
  --muted: #4a6657;
  --line:  rgba(10, 51, 35, 0.14);

  --mono:  ui-monospace, SFMono-Regular, "SF Mono", "Roboto Mono", Menlo, Consolas, monospace;
  --serif: "Fraunces", Georgia, serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 15px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  min-height: 100vh;
  overflow-x: hidden;
  background-color: var(--bg);
  position: relative;
}

/* canvas visualiser sits behind everything */
#bg {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  display: block;
}

/* soft cream wash so the canvas blends into the page */
.vignette {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(ellipse at 50% 0%,  rgba(247,244,213,0.0) 0%, rgba(247,244,213,0.55) 60%, rgba(247,244,213,0.85) 100%),
    radial-gradient(ellipse at 50% 100%, rgba(247,244,213,0.0) 0%, rgba(247,244,213,0.45) 60%, rgba(247,244,213,0.85) 100%);
}

::selection { background: var(--moss); color: var(--beige); }

a {
  color: var(--midnight);
  text-decoration: none;
  border-bottom: 1px solid rgba(16, 86, 102, 0.35);
  transition: color .15s ease, border-color .15s ease;
}
a:hover { color: var(--rosy); border-bottom-color: var(--rosy); }

/* ── layout ── */
.page {
  position: relative;
  z-index: 2;
  max-width: 720px;
  margin: 0 auto;
  padding: 5rem 1.5rem 4rem;
}

/* ── hero ── */
.hero { text-align: center; margin-bottom: 4rem; }

.lotus {
  font-family: var(--mono);
  color: var(--moss);
  font-size: 12px;
  line-height: 1.15;
  margin: 0 0 1.2rem;
  opacity: 0.75;
  white-space: pre;
  display: block;
  text-align: center;
}

h1 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(2rem, 5vw, 2.6rem);
  margin: 0 0 0.4rem;
  color: var(--dark-green);
  letter-spacing: -0.01em;
}

.tagline {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--soft);
  margin: 0 0 0.6rem;
  letter-spacing: 0.01em;
}

.sub {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--muted);
  margin: 0;
}
.affil { color: var(--midnight); font-weight: 500; }
.prev  { color: var(--muted); }
.dot   { margin: 0 0.5rem; opacity: 0.5; }

/* ── sections ── */
.block { margin: 3rem 0; }

h2 {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 500;
  font-size: 1.05rem;
  color: var(--midnight);
  margin: 0 0 1.2rem;
  letter-spacing: 0.01em;
  position: relative;
  padding-left: 1.2rem;
}
h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.75em;
  width: 0.7rem;
  height: 1px;
  background: var(--rosy);
}

h3 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.05rem;
  color: var(--dark-green);
  margin: 0 0 0.35rem;
  letter-spacing: 0.005em;
}
h3 .role {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--muted);
  font-weight: 400;
  letter-spacing: 0.01em;
}

p { margin: 0 0 0.85rem; color: var(--soft); }
em { color: var(--midnight); font-style: italic; }
strong { color: var(--dark-green); }

/* ── experience items ── */
.item {
  display: grid;
  grid-template-columns: 4.5rem 1fr;
  gap: 1.4rem;
  padding: 1rem 0;
  border-top: 1px solid var(--line);
}
.item:first-of-type { border-top: none; padding-top: 0.2rem; }
.item .when {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--moss);
  padding-top: 0.4rem;
  letter-spacing: 0.02em;
}
.item .body p { margin: 0; font-size: 14px; }

/* ── projects ── */
.cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
@media (max-width: 600px) { .cards { grid-template-columns: 1fr; } }

.card {
  display: block;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 1.1rem 1.2rem;
  background: rgba(255, 255, 255, 0.35);
  backdrop-filter: blur(2px);
  color: var(--ink);
  border-bottom: 1px solid var(--line);
  transition: transform .2s ease, background .2s ease, border-color .2s ease;
}
.card:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.55);
  border-color: rgba(211, 150, 140, 0.6);
  color: var(--ink);
}
.card h3 { margin-bottom: 0.5rem; }
.card p { font-size: 13.5px; margin: 0 0 0.7rem; }
.card .meta {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--moss);
  letter-spacing: 0.02em;
}

/* ── elsewhere links ── */
.links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  gap: 1.4rem;
  flex-wrap: wrap;
  font-size: 14px;
}
.links a {
  border-bottom: 1px solid rgba(16, 86, 102, 0.3);
  padding-bottom: 1px;
}

/* ── footer ── */
.foot {
  margin-top: 4rem;
  text-align: center;
  color: var(--muted);
  font-size: 12px;
}
.foot pre { color: var(--moss); opacity: 0.6; margin: 0 0 0.6rem; }
.foot p { margin: 0; }

/* mobile */
@media (max-width: 520px) {
  .page { padding: 3rem 1.2rem 3rem; }
  .item { grid-template-columns: 3.5rem 1fr; gap: 1rem; }
  .lotus { font-size: 10.5px; }
}

/* ──────────────────────────────────────────────
   blog: top nav, post list, post prose, KaTeX
   ────────────────────────────────────────────── */

.topnav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--mono);
  font-size: 13px;
  margin-bottom: 3rem;
  color: var(--muted);
}
.topnav a { border-bottom: none; color: var(--midnight); }
.topnav a:hover { color: var(--rosy); }
.topnav .here { color: var(--soft); font-weight: 500; }

.blog-hero { text-align: left; margin-bottom: 3rem; }
.blog-hero h1 { font-size: clamp(1.7rem, 4vw, 2.2rem); }
.blog-hero .tagline { font-size: 13.5px; }

.post-list { list-style: none; padding: 0; margin: 0; }
.post-list li { border-top: 1px solid var(--line); }
.post-list li:last-child { border-bottom: 1px solid var(--line); }

.post-link {
  display: block;
  padding: 1.3rem 0;
  border-bottom: none;
  color: var(--ink);
  transition: padding .2s ease, background .2s ease;
}
.post-link:hover {
  padding-left: 0.4rem;
  background: rgba(247, 244, 213, 0.18);
  color: var(--ink);
}
.post-link h3 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.15rem;
  color: var(--dark-green);
  margin: 0 0 0.35rem;
}
.post-link p { margin: 0; font-size: 13.5px; color: var(--soft); }

.post-meta {
  display: flex;
  gap: 1rem;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--moss);
  margin-bottom: 0.4rem;
  letter-spacing: 0.02em;
}
.post-tag { color: var(--rosy); }

/* ── post prose ── */
/* blog + post pages get a wider column for comfortable reading */
body.wide .page { max-width: 820px; }

.post {
  font-family: var(--mono);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--soft);
}
.post .loading { font-family: var(--mono); color: var(--muted); font-size: 14px; }

.post h1 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(1.7rem, 4vw, 2.1rem);
  color: var(--dark-green);
  letter-spacing: -0.01em;
  margin: 0 0 1.4rem;
  line-height: 1.25;
}
.post h2 {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 500;
  font-size: 1.25rem;
  color: var(--midnight);
  margin: 2.6rem 0 0.9rem;
  padding: 0;
}
.post h2::before { content: none; }
.post h3 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.05rem;
  color: var(--dark-green);
  margin: 1.8rem 0 0.6rem;
}

.post p { margin: 0 0 1.1rem; color: var(--soft); }
.post strong { color: var(--dark-green); font-weight: 600; }
.post em { color: var(--midnight); font-family: var(--serif); font-style: italic; }

.post a {
  color: var(--midnight);
  border-bottom: 1px solid rgba(16, 86, 102, 0.4);
}
.post a:hover { color: var(--rosy); border-bottom-color: var(--rosy); }

.post ul, .post ol { padding-left: 1.4rem; margin: 0 0 1.2rem; }
.post li { margin: 0.3rem 0; }
.post li > ul, .post li > ol { margin: 0.3rem 0; }

.post blockquote {
  margin: 1.4rem 0;
  padding: 0.2rem 0 0.2rem 1rem;
  border-left: 2px solid var(--rosy);
  color: var(--soft);
  font-style: italic;
}

.post img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 1.6rem auto;
  border-radius: 4px;
  border: 1px solid var(--line);
}

.post hr {
  border: none;
  border-top: 1px dashed var(--line);
  margin: 2.4rem 0;
}

/* inline code + code blocks */
.post code {
  font-family: var(--mono);
  font-size: 0.88em;
  background: rgba(10, 51, 35, 0.07);
  color: var(--dark-green);
  padding: 0.1em 0.35em;
  border-radius: 3px;
}
.post pre {
  background: rgba(10, 51, 35, 0.04);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 1rem 1.1rem;
  overflow-x: auto;
  font-size: 13px;
  line-height: 1.55;
  margin: 1.2rem 0;
}
.post pre code {
  background: none;
  padding: 0;
  font-size: inherit;
  color: var(--soft);
}

/* KaTeX: nudge display math + match palette */
.post .katex { font-size: 1.02em; color: var(--dark-green); }
.post .katex-display {
  margin: 1.4rem 0;
  overflow-x: auto;
  overflow-y: hidden;
  padding: 0.2rem 0;
}


/* ──────────────────────────────────────────────
   inline figure-blocks (lifted from opd_figures.html
   and opd_failure_modes.html — scoped to .post,
   stripped of their card chrome so they sit on the
   page bg, and recoloured into the site palette.
   ────────────────────────────────────────────── */

.post .figure-block {
  /* site-palette aliases — used by .view-box, .atlas-cell, etc. */
  --fig-ink:     var(--ink);
  --fig-soft:    var(--soft);
  --fig-muted:   var(--muted);
  --fig-line:    var(--line);
  --fig-accent:  var(--moss);
  --fig-accent2: var(--midnight);
  --fig-accent3: var(--rosy);

  /* ── CSS custom properties consumed directly by inline SVGs in
        opd_failure_modes.html (e.g. fill="var(--accent-rust)").
        Without these the SVG fills fall back to nothing and the
        figures render as colourless line drawings. ── */
  --bg:           #f3ead2;          /* warm cream, blends with page */
  --bg-soft:      #ece1c7;
  --surface:      transparent;
  --ink:          var(--dark-green);
  --ink-soft:     #1a3b2c;
  --muted:        #4a6657;
  --border:       rgba(10, 51, 35, 0.22);
  --accent-warm:  #1a3b2c;
  --accent-rust:  #b45a48;          /* deeper rosy, reads on cream */
  --accent-olive: #839958;
  --accent-gold:  #6b8740;
  --accent-teal:  #105666;
  --accent-indigo:#0A3323;

  margin: 2.6rem 0;
  padding: 0.4rem 0 0.2rem;
  background: transparent;
  border: none;
  border-radius: 0;
  box-shadow: none;
  color: var(--fig-ink);
  font-family: 'Inter', 'Roboto Mono', system-ui, sans-serif;
  line-height: 1.5;
}
.post .figure-block h2 {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 0.74rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--fig-soft);
  margin: 0 0 0.6rem 0;
  border-left: none;
  padding: 0;
}
.post .figure-block .subtitle {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 0.74rem;
  color: var(--fig-muted);
  margin: -0.2rem 0 0.9rem;
  line-height: 1.55;
}
.post .figure-block .caption {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 0.74rem;
  color: var(--fig-muted);
  font-style: italic;
  margin-top: 0.8rem;
  text-align: center;
  line-height: 1.55;
  max-width: 56ch;
  margin-left: auto;
  margin-right: auto;
}
.post .figure-block svg {
  display: block;
  margin: 0 auto;
  max-width: 100%;
  height: auto;
  /* let the page tint show through faintly */
  background: transparent;
}
.post .figure-block svg text {
  font-family: 'Inter', system-ui, sans-serif;
}
.post .figure-block .number-badge {
  display: inline-block;
  width: 22px;
  height: 22px;
  line-height: 22px;
  border-radius: 50%;
  background: var(--fig-accent2);
  color: var(--beige);
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 0.7rem;
  font-weight: 700;
  text-align: center;
  margin-right: 0.45rem;
  vertical-align: middle;
}

/* ─── SVG color remap: warm-tan source palette → site palette ───
   These attribute selectors override the inline fill/stroke/stop-color
   presentation attributes baked into each figure SVG. Without them the
   figures look "grey-ish" against the cream page bg. */
.post .figure-block svg [fill="#2a6b6b"]       { fill:   #105666; }
.post .figure-block svg [stroke="#2a6b6b"]     { stroke: #105666; }
.post .figure-block svg [stop-color="#2a6b6b"] { stop-color: #105666; }

.post .figure-block svg [fill="#3d4a8a"]       { fill:   #0A3323; }
.post .figure-block svg [stroke="#3d4a8a"]     { stroke: #0A3323; }
.post .figure-block svg [stop-color="#3d4a8a"] { stop-color: #0A3323; }

.post .figure-block svg [fill="#8a3a18"]       { fill:   #b45a48; }
.post .figure-block svg [stroke="#8a3a18"]     { stroke: #b45a48; }
.post .figure-block svg [stop-color="#8a3a18"] { stop-color: #b45a48; }

.post .figure-block svg [fill="#a07820"]       { fill:   #6b8740; }
.post .figure-block svg [stroke="#a07820"]     { stroke: #6b8740; }
.post .figure-block svg [stop-color="#a07820"] { stop-color: #6b8740; }

.post .figure-block svg [fill="#6b4423"]       { fill:   #1a3b2c; }
.post .figure-block svg [stroke="#6b4423"]     { stroke: #1a3b2c; }
.post .figure-block svg [stop-color="#6b4423"] { stop-color: #1a3b2c; }

.post .figure-block svg [fill="#5d5a22"]       { fill:   #839958; }
.post .figure-block svg [stroke="#5d5a22"]     { stroke: #839958; }
.post .figure-block svg [stop-color="#5d5a22"] { stop-color: #839958; }

/* neutrals: borders and muted text */
.post .figure-block svg [fill="#c9b48c"]       { fill:   rgba(10, 51, 35, 0.22); }
.post .figure-block svg [stroke="#c9b48c"]     { stroke: rgba(10, 51, 35, 0.28); }
.post .figure-block svg [stop-color="#c9b48c"] { stop-color: rgba(10, 51, 35, 0.22); }

.post .figure-block svg [fill="#80715a"]       { fill:   #4a6657; }
.post .figure-block svg [stroke="#80715a"]     { stroke: #4a6657; }

.post .figure-block svg [fill="#15110b"]       { fill:   #0A3323; }
.post .figure-block svg [fill="#3a2f23"]       { fill:   #1a3b2c; }

/* surface/bg colours from the source — make them blend with the page */
.post .figure-block svg [fill="#f7eed9"]       { fill: transparent; }
.post .figure-block svg [fill="#ece1c7"]       { fill: transparent; }
.post .figure-block svg [fill="#e4d6b3"]       { fill: rgba(10, 51, 35, 0.05); }

/* Figure 1 — mode covering vs mode seeking panels */
.post .figure-block.mode-fig { position: relative; }
.post .figure-block .panels {
  display: flex;
  gap: 1.2rem;
  justify-content: center;
  flex-wrap: wrap;
}
.post .figure-block .panel { flex: 1; min-width: 280px; max-width: 380px; }
.post .figure-block .panel-label {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  text-align: center;
  margin-bottom: 0.5rem;
  color: var(--fig-muted);
}

/* Figure 3 — prefix drift tree */
.post .figure-block .tree-container { overflow-x: auto; }

/* Figure 5 — dual view */
.post .figure-block .dual-view {
  display: flex;
  gap: 1.6rem;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
}
.post .figure-block .view-box {
  background: transparent;
  border: 1px dashed var(--fig-line);
  border-radius: 8px;
  padding: 1rem 1.3rem;
  text-align: center;
  min-width: 180px;
}
.post .figure-block .view-box h3 {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.4rem;
  border-left: none;
  padding: 0;
  color: var(--fig-soft);
}
.post .figure-block .arrow-between {
  font-size: 1.5rem;
  color: var(--fig-accent);
}

/* Figure 6 — failure modes atlas */
.post .figure-block .atlas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.7rem;
}
.post .figure-block .atlas-cell {
  background: transparent;
  border: 1px dashed var(--fig-line);
  border-radius: 8px;
  padding: 0.9rem;
  text-align: center;
}
.post .figure-block .atlas-cell h4 {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 0.66rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--fig-accent3);
  margin-bottom: 0.5rem;
}

/* tables inside blog posts */
.post table {
  border-collapse: collapse;
  margin: 1.4rem auto;
  font-size: 0.95rem;
  max-width: 100%;
  display: block;
  overflow-x: auto;
}
.post table th,
.post table td {
  border: 1px solid rgba(10, 51, 35, 0.28);
  padding: 0.55rem 0.8rem;
  vertical-align: top;
  text-align: left;
}
.post table thead th {
  background: #ece1c7;
  font-weight: 600;
  color: var(--dark-green);
}
.post table tbody tr:nth-child(even) td {
  background: rgba(247, 244, 213, 0.4);
}

/* skinny fallback for narrow screens */
@media (max-width: 640px) {
  .post .figure-block { margin: 1.8rem 0; }
  .post .figure-block .panel { min-width: 100%; }
}

/* ──────────────────────────────────────────────
   dark mode
   ────────────────────────────────────────────── */
.theme-toggle {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 50;
  background: rgba(247, 244, 213, 0.6);
  border: 1px solid rgba(10, 51, 35, 0.25);
  color: var(--dark-green);
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  cursor: pointer;
  backdrop-filter: blur(4px);
  transition: background .15s ease, color .15s ease, border-color .15s ease;
}
.theme-toggle:hover { border-color: var(--rosy); color: var(--midnight); }

[data-theme="dark"] {
  --bg:         #0a0f1a;
  --ink:        #e6e9ef;
  --soft:       #cdd3dd;
  --muted:      #8a93a6;
  --line:       rgba(255, 255, 255, 0.10);
  --dark-green: #d6e2dc;
  --midnight:   #9ec5cc;
  --moss:       #b8cda1;
  --rosy:       #e6b3aa;
  --beige:      #f0eed8;
}

[data-theme="dark"] body { background: #0a0f1a; }

[data-theme="dark"] .vignette {
  background:
    radial-gradient(ellipse at 50% 0%,  rgba(10,15,26,0.0) 0%, rgba(10,15,26,0.55) 60%, rgba(10,15,26,0.92) 100%),
    radial-gradient(ellipse at 50% 100%, rgba(10,15,26,0.0) 0%, rgba(10,15,26,0.45) 60%, rgba(10,15,26,0.92) 100%);
}

[data-theme="dark"] .lotus,
[data-theme="dark"] .foot pre {
  color: rgba(255, 255, 255, 0.78);
  opacity: 0.85;
}

[data-theme="dark"] a {
  color: var(--midnight);
  border-bottom-color: rgba(158, 197, 204, 0.4);
}
[data-theme="dark"] a:hover { color: var(--rosy); border-bottom-color: var(--rosy); }

[data-theme="dark"] strong { color: var(--ink); }
[data-theme="dark"] em { color: var(--midnight); }

[data-theme="dark"] .card {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--line);
  color: var(--ink);
}
[data-theme="dark"] .card:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(230, 179, 170, 0.55);
}

[data-theme="dark"] .post-link:hover {
  background: rgba(255, 255, 255, 0.04);
}

[data-theme="dark"] .theme-toggle {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.18);
  color: var(--ink);
}
[data-theme="dark"] .theme-toggle:hover { border-color: var(--rosy); color: var(--rosy); }

[data-theme="dark"] ::selection { background: var(--midnight); color: var(--bg); }

/* post prose adjustments */
[data-theme="dark"] .post h1,
[data-theme="dark"] .post h3,
[data-theme="dark"] .post h4 { color: var(--ink); }
[data-theme="dark"] .post h2 { color: var(--midnight); }
[data-theme="dark"] .post .katex { color: var(--ink); }
[data-theme="dark"] .post code {
  background: rgba(255, 255, 255, 0.06);
  color: var(--ink);
}
[data-theme="dark"] .post pre { background: rgba(255, 255, 255, 0.04); }
[data-theme="dark"] .post pre code { color: var(--soft); }
[data-theme="dark"] .post blockquote { color: var(--muted); border-color: var(--line); }

[data-theme="dark"] .post table th,
[data-theme="dark"] .post table td {
  border-color: rgba(255, 255, 255, 0.18);
}
[data-theme="dark"] .post table thead th {
  background: rgba(255, 255, 255, 0.06);
  color: var(--ink);
}
[data-theme="dark"] .post table tbody tr:nth-child(even) td {
  background: rgba(255, 255, 255, 0.03);
}

/* figure-blocks: invert the warm-cream theme to a cool dark one */
[data-theme="dark"] .post .figure-block {
  --fig-bg:          #11182a;
  --fig-bg-soft:     #161f33;
  --fig-surface:     #0d1424;
  --fig-ink:         #e6e9ef;
  --fig-ink-soft:    #cdd3dd;
  --fig-muted:       #8a93a6;
  --fig-border:      rgba(255, 255, 255, 0.18);
  --fig-accent-warm: #d6e2dc;
  --fig-accent-rust: #e6b3aa;
  --fig-accent-olive:#b8cda1;
  --fig-accent-gold: #d8c98a;
  --fig-accent-teal: #9ec5cc;
  --fig-accent-indigo:#a5b4d8;

  --bg:           #0d1424;
  --bg-soft:      #161f33;
  --surface:      transparent;
  --ink:          #e6e9ef;
  --ink-soft:     #cdd3dd;
  --muted:        #8a93a6;
  --border:       rgba(255, 255, 255, 0.18);
  --accent-warm:  #d6e2dc;
  --accent-rust:  #e6b3aa;
  --accent-olive: #b8cda1;
  --accent-gold:  #d8c98a;
  --accent-teal:  #9ec5cc;
  --accent-indigo:#a5b4d8;
}

/* ── post banner image (light/dark variants) ─────────────── */
.post-banner {
  margin: 1.2rem auto 1.6rem;
  max-width: 920px;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid rgba(10, 51, 35, 0.18);
  box-shadow: 0 2px 14px rgba(10, 51, 35, 0.08);
  background: transparent;
}
.post-banner img {
  display: block;
  width: 100%;
  height: auto;
  margin: 0;
}
[data-theme="dark"] .post-banner {
  border-color: rgba(255, 255, 255, 0.10);
  box-shadow: 0 2px 14px rgba(0, 0, 0, 0.45);
  background: transparent;
}