:root{
  --paper:#EEF0E6;
  --paper-raised:#E3E7D9;
  --ink:#1E2A20;
  --ink-soft:#54604F;
  --line:#CAD0BC;
  --accent:#1B6E5C;
  --accent-strong:#12503F;
  --accent-ink:#F2F7F1;
  --gold:#A9781F;
  --gold-bg:#F2E6C8;
  --shadow:0 1px 0 rgba(30,42,32,0.06);
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --paper:#141B16;
    --paper-raised:#1B241D;
    --ink:#E7ECE1;
    --ink-soft:#A2AD98;
    --line:#33402F;
    --accent:#57B497;
    --accent-strong:#7ED1B4;
    --accent-ink:#0D1712;
    --gold:#D9A548;
    --gold-bg:#2B2515;
    --shadow:0 1px 0 rgba(0,0,0,0.3);
  }
}
:root[data-theme="dark"]{
  --paper:#141B16;
  --paper-raised:#1B241D;
  --ink:#E7ECE1;
  --ink-soft:#A2AD98;
  --line:#33402F;
  --accent:#57B497;
  --accent-strong:#7ED1B4;
  --accent-ink:#0D1712;
  --gold:#D9A548;
  --gold-bg:#2B2515;
  --shadow:0 1px 0 rgba(0,0,0,0.3);
}

*{ box-sizing:border-box; }
html{ background:var(--paper); }
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"IBM Plex Sans", ui-sans-serif, system-ui, sans-serif;
  line-height:1.6;
  font-size:1.05rem;
}
.wrap{ max-width:720px; margin:0 auto; padding:0 22px; }

.skip-link{
  position:absolute; left:-999px; top:auto;
  background:var(--accent); color:var(--accent-ink);
  padding:10px 16px; border-radius:8px; z-index:100;
}
.skip-link:focus{ left:16px; top:16px; }

a{ color:var(--accent-strong); text-decoration-thickness:1px; text-underline-offset:2px; }
a:hover{ color:var(--accent); }
a:focus-visible{ outline:2px solid var(--gold); outline-offset:2px; }

/* header */
.site-header{
  border-bottom:1px solid var(--line);
  background:var(--paper);
}
.site-header .wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:10px;
  padding-top:22px;
  padding-bottom:22px;
}
.wordmark{
  font-family:"Source Serif 4", Georgia, serif;
  font-weight:600;
  font-size:1.3rem;
  color:var(--ink);
  text-decoration:none;
}
.wordmark:hover{ color:var(--ink); }
.wordmark-mark{ color:var(--gold); }
.site-nav{
  display:flex;
  gap:20px;
  max-width:100%;
  overflow-x:auto;
  -webkit-overflow-scrolling:touch;
  scrollbar-width:none;
}
.site-nav::-webkit-scrollbar{ display:none; }
.site-nav a{
  font-family:"IBM Plex Mono", ui-monospace, monospace;
  font-size:0.82rem;
  text-transform:uppercase;
  letter-spacing:0.06em;
  color:var(--ink-soft);
  text-decoration:none;
  white-space:nowrap;
  flex:none;
}
.site-nav a:hover{ color:var(--accent-strong); }

/* hero / home */
.hero{ padding:48px 0 20px; border-bottom:1px solid var(--line); margin-bottom:32px; }
.eyebrow{
  font-family:"IBM Plex Mono", monospace;
  font-size:0.78rem;
  text-transform:uppercase;
  letter-spacing:0.1em;
  color:var(--gold);
  margin:0 0 10px;
}
.hero h1{
  font-family:"Source Serif 4", Georgia, serif;
  font-weight:600;
  font-size:clamp(1.9rem, 6vw, 2.5rem);
  line-height:1.15;
  margin:0 0 14px;
  text-wrap:balance;
  max-width:18ch;
}
.hero-lede{ color:var(--ink-soft); max-width:52ch; margin:0 0 8px; font-size:1.05rem; }

.post-list{ display:flex; flex-direction:column; gap:0; padding-bottom:40px; }
.post-card{ padding:26px 0; border-top:1px solid var(--line); }
.post-list .post-card:first-child{ border-top:none; padding-top:0; }
.post-card-media{
  display:block;
  border-radius:12px;
  overflow:hidden;
  margin-bottom:16px;
  border:1px solid var(--line);
  aspect-ratio:3/2;
  background:var(--paper-raised);
}
.post-card-media img{
  display:block;
  width:100%;
  height:100%;
  object-fit:cover;
}
.post-card-meta{
  font-family:"IBM Plex Mono", monospace;
  font-size:0.78rem;
  color:var(--ink-soft);
  margin:0 0 8px;
}
.post-card-pin{
  color:var(--gold);
  font-weight:600;
  letter-spacing:0.04em;
}
.post-card-pinned{
  padding:20px;
  margin:0 0 6px;
  border:1px solid var(--line);
  border-radius:14px;
  background:var(--paper-raised);
}
.post-list .post-card-pinned:first-child{ padding-top:20px; }
.post-card h2{
  font-family:"Source Serif 4", Georgia, serif;
  font-weight:600;
  font-size:1.4rem;
  margin:0 0 8px;
  text-wrap:balance;
}
.post-card h2 a{ color:var(--ink); text-decoration:none; }
.post-card h2 a:hover{ color:var(--accent-strong); }
.post-card-excerpt{ color:var(--ink-soft); margin:0 0 10px; max-width:60ch; }
.post-card-link{
  font-family:"IBM Plex Mono", monospace;
  font-size:0.82rem;
  text-decoration:none;
}

/* post / page */
.post, .page{ padding-bottom:56px; }
.post-header{ margin-bottom:28px; }
.post-tags{ margin:0 0 12px; display:flex; gap:8px; flex-wrap:wrap; }
.tag{
  font-family:"IBM Plex Mono", monospace;
  font-size:0.72rem;
  text-transform:uppercase;
  letter-spacing:0.05em;
  color:var(--ink-soft);
  border:1px solid var(--line);
  border-radius:100px;
  padding:3px 10px;
  text-decoration:none;
  transition:border-color 0.12s ease, color 0.12s ease;
}
.tag:hover{
  color:var(--accent-strong);
  border-color:var(--accent-strong);
}

.tag-index{ display:flex; flex-direction:column; gap:36px; padding-bottom:40px; }
.tag-group{ scroll-margin-top:24px; }
.tag-group h2{
  font-family:"Source Serif 4", Georgia, serif;
  font-weight:600;
  font-size:1.3rem;
  text-transform:capitalize;
  margin:0 0 14px;
  padding-bottom:10px;
  border-bottom:1px solid var(--line);
}
.tag-post-list{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:10px; }
.tag-post-list li{
  display:flex;
  justify-content:space-between;
  gap:16px;
  align-items:baseline;
}
.tag-post-list a{ text-decoration:none; }
.tag-post-list time{
  font-family:"IBM Plex Mono", monospace;
  font-size:0.78rem;
  color:var(--ink-soft);
  white-space:nowrap;
}
.post-header h1{
  font-family:"Source Serif 4", Georgia, serif;
  font-weight:600;
  font-size:clamp(1.8rem, 6vw, 2.3rem);
  line-height:1.15;
  margin:0 0 10px;
  text-wrap:balance;
}
.post-meta{
  font-family:"IBM Plex Mono", monospace;
  font-size:0.8rem;
  color:var(--ink-soft);
  margin:0;
}
.affiliate-badge{
  margin:14px 0 0;
  padding:9px 14px;
  background:var(--gold-bg);
  border-left:3px solid var(--gold);
  border-radius:0 8px 8px 0;
  font-size:0.85rem;
  color:var(--ink);
}

.post-cover{
  display:block;
  width:100%;
  height:auto;
  aspect-ratio:3/2;
  object-fit:cover;
  border-radius:12px;
  border:1px solid var(--line);
  margin:24px 0 32px;
  background:var(--paper-raised);
}

.post-body{ max-width:68ch; }
.post-body p{ margin:0 0 18px; }
.post-body h2{
  font-family:"Source Serif 4", Georgia, serif;
  font-weight:600;
  font-size:1.45rem;
  margin:36px 0 14px;
  text-wrap:balance;
}
.post-body h3{
  font-family:"IBM Plex Sans", sans-serif;
  font-weight:600;
  font-size:1.1rem;
  margin:26px 0 10px;
}
.post-body ul, .post-body ol{ margin:0 0 18px; padding-left:1.3em; }
.post-body li{ margin-bottom:8px; }
.post-body blockquote{
  margin:24px 0;
  padding:4px 0 4px 18px;
  border-left:3px solid var(--accent);
  color:var(--ink-soft);
  font-style:italic;
}
.post-body strong{ color:var(--ink); }
.post-body table{ width:100%; border-collapse:collapse; margin:20px 0; font-size:0.95rem; }
.post-body th, .post-body td{
  text-align:left;
  padding:9px 12px;
  border-bottom:1px solid var(--line);
  font-variant-numeric:tabular-nums;
}
.post-body th{
  font-family:"IBM Plex Mono", monospace;
  font-size:0.75rem;
  text-transform:uppercase;
  letter-spacing:0.04em;
  color:var(--ink-soft);
}
.post-body code{
  font-family:"IBM Plex Mono", monospace;
  font-size:0.9em;
  background:var(--paper-raised);
  padding:2px 6px;
  border-radius:5px;
}
.post-body hr{ border:none; border-top:1px solid var(--line); margin:32px 0; }

.disclosure-details{
  margin:22px 0;
  border:1px solid var(--line);
  border-radius:12px;
  background:var(--paper-raised);
  padding:4px 18px;
}
.disclosure-details summary{
  cursor:pointer;
  padding:14px 0;
  font-weight:600;
  list-style:none;
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.disclosure-details summary::-webkit-details-marker{ display:none; }
.disclosure-details summary::after{
  content:"+";
  font-family:"IBM Plex Mono", monospace;
  font-size:1.2rem;
  color:var(--ink-soft);
  transition:transform 0.15s ease;
}
.disclosure-details[open] summary::after{ transform:rotate(45deg); }
.disclosure-details[open] summary{ padding-bottom:6px; }
.disclosure-details ul{ margin:10px 0 4px; }
.disclosure-details > p:last-child{ padding-bottom:16px; }

.callout{
  margin:24px 0;
  padding:16px 18px;
  border:1px solid var(--line);
  border-left:3px solid var(--accent);
  background:var(--paper-raised);
  border-radius:0 10px 10px 0;
  font-size:0.96rem;
}
.callout p:last-child{ margin-bottom:0; }

.cta-box{
  margin:28px 0;
  padding:20px;
  border:1px solid var(--line);
  border-radius:12px;
  background:var(--paper-raised);
  box-shadow:var(--shadow);
}
.cta-box p{ margin:0 0 12px; }
.cta-box p:last-child{ margin-bottom:0; }
.cta-btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:12px 18px;
  background:var(--accent);
  color:var(--accent-ink);
  text-decoration:none;
  border-radius:9px;
  font-weight:600;
}
.cta-btn:hover{ background:var(--accent-strong); color:var(--accent-ink); }
.cta-fineprint{
  font-size:0.82rem;
  color:var(--ink-soft);
  margin-top:10px;
}

.post-comments{ margin-top:44px; padding-top:28px; border-top:1px solid var(--line); }
.post-comments h2{
  font-family:"Source Serif 4", Georgia, serif;
  font-weight:600;
  font-size:1.3rem;
  margin:0 0 18px;
}
#cusdis_thread{
  border:1px solid var(--line);
  border-radius:12px;
  padding:18px;
  background:var(--paper-raised);
}

.post-footer{ margin-top:40px; padding-top:20px; border-top:1px solid var(--line); }
.post-footer a{
  font-family:"IBM Plex Mono", monospace;
  font-size:0.85rem;
  text-decoration:none;
}

/* footer */
.site-footer{ border-top:1px solid var(--line); padding:28px 0 44px; }
.site-footer p{ margin:0 0 8px; color:var(--ink-soft); font-size:0.85rem; max-width:60ch; }
.footer-meta{ font-family:"IBM Plex Mono", monospace; font-size:0.75rem; }

@media (max-width:520px){
  .site-header .wrap{ flex-direction:column; align-items:flex-start; }
  .site-nav{ gap:14px; width:100%; }
  .site-nav a{ font-size:0.74rem; }
}