@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,700;0,900;1,700&family=Share+Tech+Mono&family=Source+Serif+4:ital,opsz,wght@0,8..60,300;0,8..60,400;1,8..60,300;1,8..60,400&display=swap');

/* ── TOKENS ── */
:root {
  --bg:       #0a0b08;
  --bg2:      #0d0f0a;
  --surface:  #111309;
  --green:    #00ff41;
  --green2:   #39ff6e;
  --gdim:     #1a7a2e;
  --gfaint:   rgba(0,255,65,0.045);
  --text:     #c4c7bb;
  --text2:    #767970;
  --text3:    #404338;
  --amber:    #e8a000;
  --red:      #ff3c3c;
  --border:   rgba(0,255,65,0.1);
  --border2:  rgba(0,255,65,0.055);
  --serif:    'Source Serif 4', Georgia, serif;
  --display:  'Playfair Display', Georgia, serif;
  --mono:     'Share Tech Mono', monospace;
  --radius:   0px;
}

[data-theme="light"] {
  --bg:       #f5f4ee;
  --bg2:      #ede9df;
  --surface:  #e8e3d8;
  --green:    #007a20;
  --green2:   #005c17;
  --gdim:     #4a9a5e;
  --gfaint:   rgba(0,122,32,0.06);
  --text:     #1a1c16;
  --text2:    #5a5d52;
  --text3:    #9a9d90;
  --amber:    #b36a00;
  --red:      #cc2222;
  --border:   rgba(0,100,30,0.18);
  --border2:  rgba(0,100,30,0.1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--serif);
  font-weight: 300;
  min-height: 100vh;
  overflow-x: hidden;
  transition: background .25s, color .25s;
}

body::before {
  content: '';
  position: fixed; inset: 0;
  background: repeating-linear-gradient(
    0deg, transparent, transparent 3px,
    rgba(0,0,0,0.042) 3px, rgba(0,0,0,0.042) 4px
  );
  pointer-events: none; z-index: 9000;
}
[data-theme="light"] body::before { opacity: 0.3; }

a { color: var(--green); text-decoration: none; }
a:hover { text-decoration: underline; text-decoration-color: var(--gdim); }
::selection { background: var(--green); color: #000; }
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--gdim); }

/* ── READING PROGRESS ── */
#progress-bar {
  position: fixed; top: 0; left: 0; height: 2px;
  background: var(--green); width: 0%;
  z-index: 9999; transition: width .1s linear;
  box-shadow: 0 0 6px var(--green);
}

/* ── NAV ── */
.site-nav {
  position: sticky; top: 0; z-index: 500;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 0 40px;
  display: flex; justify-content: space-between; align-items: center;
  height: 52px;
  backdrop-filter: blur(8px);
}
.nav-brand {
  font-family: var(--mono);
  font-size: 15px; color: var(--green);
  letter-spacing: .06em;
  display: flex; align-items: center; gap: 9px;
}
.nav-brand::before {
  content: '';
  display: inline-block; width: 7px; height: 7px; border-radius: 50%;
  background: var(--green); box-shadow: 0 0 8px var(--green);
  animation: breathe 3s ease-in-out infinite;
}
.nav-brand:hover { text-decoration: none; }
@keyframes breathe { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.35;transform:scale(.7)} }

.nav-links { display: flex; gap: 24px; list-style: none; }
.nav-links a {
  font-family: var(--mono); font-size: 11px;
  color: var(--text2); letter-spacing: .12em; text-transform: uppercase;
  transition: color .15s;
}
.nav-links a:hover, .nav-links a.active { color: var(--green); text-decoration: none; }

.nav-right { display: flex; align-items: center; gap: 12px; }
.nav-rss {
  font-family: var(--mono); font-size: 10px; color: var(--text3);
  letter-spacing: .1em; border: 1px solid var(--border); padding: 4px 10px;
  display: flex; align-items: center; gap: 5px;
  transition: color .15s, border-color .15s;
}
.nav-rss:hover { color: var(--green); border-color: var(--green); text-decoration: none; }
.theme-toggle {
  background: none; border: 1px solid var(--border); color: var(--text3);
  font-size: 14px; width: 30px; height: 30px; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: color .15s, border-color .15s;
}
.theme-toggle:hover { color: var(--green); border-color: var(--green); }

/* ── HERO ── */
.hero {
  display: grid; grid-template-columns: 1fr 340px;
  border-bottom: 1px solid var(--border);
  max-width: 1200px; margin: 0 auto;
}
.hero-main {
  padding: 56px 44px 48px 40px;
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column; justify-content: space-between;
  position: relative; overflow: hidden; min-height: 420px;
}
.hero-main::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--border2) 1px, transparent 1px),
    linear-gradient(90deg, var(--border2) 1px, transparent 1px);
  background-size: 56px 56px; pointer-events: none;
}
.hero-eyebrow {
  font-family: var(--mono); font-size: 11px;
  color: var(--green); letter-spacing: .25em; text-transform: uppercase;
  margin-bottom: 18px; position: relative;
  display: flex; align-items: center; gap: 10px;
}
.hero-eyebrow::after { content:''; flex:1; height:1px; background:var(--border); max-width:80px; }
.hero-title {
  font-family: var(--display);
  font-size: clamp(32px, 4.2vw, 60px);
  font-weight: 900; line-height: 1.07;
  color: #e8ead8; letter-spacing: -.02em;
  position: relative; margin-bottom: 20px;
}
[data-theme="light"] .hero-title { color: #111309; }
.hero-title em { font-style: italic; color: var(--green); }
.hero-excerpt {
  font-size: 16px; line-height: 1.78; color: var(--text2);
  max-width: 540px; font-weight: 300; position: relative; margin-bottom: 32px;
}
.hero-foot {
  display: flex; justify-content: space-between; align-items: flex-end; position: relative;
}
.hero-meta { font-family: var(--mono); font-size: 11px; color: var(--text3); letter-spacing: .1em; line-height: 2.1; }
.hero-meta .tag {
  display: inline-block; color: var(--amber); border: 1px solid rgba(232,160,0,.22);
  padding: 2px 7px; font-size: 10px; letter-spacing: .12em; margin-right: 5px;
}
.hero-cover { position: absolute; right: 0; bottom: 0; width: 220px; height: 140px; overflow: hidden; opacity: .35; pointer-events: none; z-index: 0; }
.hero-foot { position: relative; z-index: 1; }
.hero-cover img { width: 100%; height: 100%; object-fit: cover; }

.hero-sidebar { padding: 26px 22px; display: flex; flex-direction: column; }
.sidebar-label {
  font-family: var(--mono); font-size: 10px; letter-spacing: .25em; color: var(--text3);
  text-transform: uppercase; padding-bottom: 12px; border-bottom: 1px solid var(--border);
}
.sidebar-post { padding: 15px 0; border-bottom: 1px solid var(--border2); cursor: pointer; }
.sidebar-post:last-of-type { border-bottom: none; }
.sidebar-post:hover .sp-title { color: var(--green); }
.sp-cat { font-family: var(--mono); font-size: 10px; letter-spacing: .18em; color: var(--gdim); text-transform: uppercase; display: block; margin-bottom: 5px; }
.sp-title { font-family: var(--display); font-size: 14px; font-weight: 700; color: var(--text); line-height: 1.35; transition: color .12s; display: block; margin-bottom: 5px; }
.sp-date { font-family: var(--mono); font-size: 10px; color: var(--text3); letter-spacing: .08em; }

/* ── COUNTS ── */
.counts {
  display: flex; border-bottom: 1px solid var(--border);
  max-width: 1200px; margin: 0 auto;
}
.count-cell { flex: 1; padding: 14px 18px; border-right: 1px solid var(--border2); }
.count-cell:last-child { border-right: none; }
.count-n { font-family: var(--mono); font-size: 22px; color: var(--green); line-height: 1; display: block; }
.count-l { font-size: 10px; color: var(--text3); letter-spacing: .18em; text-transform: uppercase; display: block; margin-top: 3px; }

/* ── PAGE GRID ── */
.page-grid {
  display: grid; grid-template-columns: 1fr 280px;
  max-width: 1200px; margin: 0 auto;
  border-bottom: 1px solid var(--border);
}
.page-main { border-right: 1px solid var(--border); }

/* ── SECTION BAR ── */
.section-bar {
  padding: 10px 40px; border-bottom: 1px solid var(--border);
  font-family: var(--mono); font-size: 10px; letter-spacing: .28em;
  color: var(--text3); text-transform: uppercase; background: var(--bg2);
  display: flex; justify-content: space-between; align-items: center;
}
.section-bar a { font-size: 10px; color: var(--text3); letter-spacing: .12em; }
.section-bar a:hover { color: var(--green); text-decoration: none; }

/* ── POST CARDS ── */
.post-card {
  padding: 32px 40px; border-bottom: 1px solid var(--border);
  display: grid; grid-template-columns: 1fr auto; gap: 20px;
  align-items: start; cursor: pointer; transition: background .12s;
  position: relative; text-decoration: none; color: inherit;
}
.post-card::before {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 2px;
  background: transparent; transition: background .15s;
}
.post-card:hover { background: var(--gfaint); text-decoration: none; }
.post-card:hover::before { background: var(--green); }
.post-card:hover .pc-title { color: #f0f3e0; }
[data-theme="light"] .post-card:hover .pc-title { color: #000; }

.pc-cover {
  width: 100px; height: 70px; object-fit: cover;
  border: 1px solid var(--border); flex-shrink: 0;
  display: block;
}

.pc-eyebrow {
  font-family: var(--mono); font-size: 10px; letter-spacing: .2em;
  text-transform: uppercase; color: var(--green);
  margin-bottom: 9px; display: flex; gap: 8px; align-items: center;
}
.pc-eyebrow .dot { color: var(--text3); }
.pc-title {
  font-family: var(--display); font-size: 20px; font-weight: 700;
  color: #dde0ce; line-height: 1.25; margin-bottom: 10px; letter-spacing: -.01em;
}
[data-theme="light"] .pc-title { color: #111309; }
.pc-excerpt { font-size: 14px; line-height: 1.72; color: var(--text2); }
.pc-meta-col { text-align: right; flex-shrink: 0; display: flex; flex-direction: column; gap: 8px; align-items: flex-end; }
.pc-date { font-family: var(--mono); font-size: 11px; color: var(--text3); letter-spacing: .08em; white-space: nowrap; }
.pc-mins { font-family: var(--mono); font-size: 10px; color: var(--text3); letter-spacing: .1em; }

/* ── PAPER CARDS ── */
.paper-card {
  padding: 26px 40px; border-bottom: 1px solid var(--border);
  cursor: pointer; transition: background .12s; position: relative;
}
.paper-card::before {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 2px;
  background: transparent; transition: background .15s;
}
.paper-card:hover { background: var(--gfaint); }
.paper-card:hover::before { background: var(--amber); }
.paper-card:hover .paper-title { color: #f0f3e0; }

.paper-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; margin-bottom: 9px; }
.paper-title { font-family: var(--display); font-size: 18px; font-weight: 700; color: #dde0ce; line-height: 1.3; letter-spacing: -.01em; }
[data-theme="light"] .paper-title { color: #111309; }
.paper-badge { font-family: var(--mono); font-size: 9px; letter-spacing: .18em; text-transform: uppercase; padding: 3px 8px; border: 1px solid; white-space: nowrap; flex-shrink: 0; }
.badge-published { color: var(--green); border-color: rgba(0,255,65,.3); }
.badge-preprint  { color: var(--amber); border-color: rgba(232,160,0,.3); }
.badge-wip       { color: var(--text3); border-color: var(--text3); }
.paper-authors { font-family: var(--mono); font-size: 11px; color: var(--text3); letter-spacing: .06em; margin-bottom: 9px; }
.paper-authors b { color: var(--green); font-weight: normal; }
.paper-abstract { font-size: 13px; line-height: 1.72; color: var(--text2); }
.paper-links { margin-top: 13px; display: flex; gap: 16px; flex-wrap: wrap; }
.paper-links a { font-family: var(--mono); font-size: 10px; letter-spacing: .14em; text-transform: uppercase; color: var(--text3); transition: color .12s; }
.paper-links a:hover { color: var(--green); text-decoration: none; }
.paper-links a::before { content: '→ '; }

/* ── ASIDE ── */
.aside-block { border-bottom: 1px solid var(--border); padding: 20px 20px; }
.aside-label { font-family: var(--mono); font-size: 10px; letter-spacing: .25em; color: var(--text3); text-transform: uppercase; margin-bottom: 14px; }
.about-name { font-family: var(--display); font-size: 20px; font-weight: 900; color: #e0e3d0; margin-bottom: 4px; line-height: 1; }
[data-theme="light"] .about-name { color: #111309; }
.about-handle { font-family: var(--mono); font-size: 11px; color: var(--green); letter-spacing: .1em; margin-bottom: 12px; display: block; }
.about-bio { font-size: 13px; line-height: 1.72; color: var(--text2); }
.about-links { margin-top: 14px; display: flex; flex-wrap: wrap; gap: 8px; }
.about-links a { font-family: var(--mono); font-size: 10px; letter-spacing: .12em; color: var(--text3); border: 1px solid var(--border); padding: 4px 9px; transition: color .12s, border-color .12s; }
.about-links a:hover { color: var(--green); border-color: var(--green); text-decoration: none; }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 7px; }
.tag-item { font-family: var(--mono); font-size: 11px; color: var(--text2); letter-spacing: .06em; cursor: pointer; transition: color .12s; display: flex; align-items: center; gap: 4px; }
.tag-item:hover { color: var(--green); text-decoration: none; }
.tag-item .tc { font-size: 9px; color: var(--text3); }
.note-item { padding: 10px 0; border-bottom: 1px solid var(--border2); cursor: pointer; }
.note-item:last-child { border-bottom: none; }
.note-item:hover .ni-title { color: var(--green); }
.ni-title { font-size: 13px; color: var(--text); line-height: 1.4; margin-bottom: 3px; transition: color .12s; display: block; }
.ni-meta { font-family: var(--mono); font-size: 10px; color: var(--text3); letter-spacing: .08em; }
.contact-row { display: flex; justify-content: space-between; align-items: center; padding: 8px 0; border-bottom: 1px solid var(--border2); font-family: var(--mono); font-size: 11px; }
.contact-row:last-child { border-bottom: none; }
.cr-label { color: var(--text3); letter-spacing: .1em; font-size: 10px; text-transform: uppercase; }
.cr-val { color: var(--text2); }
.cr-val a { color: var(--green); }

/* ── SINGLE POST LAYOUT ── */
.post-layout {
  max-width: 1200px; margin: 0 auto;
  display: grid; grid-template-columns: 200px 1fr;
  gap: 0; align-items: start; padding: 0;
}
.post-layout:not(:has(.toc-sidebar)) { grid-template-columns: 1fr; }
/* fallback for browsers without :has */
.post-layout .post-full.has-toc { max-width: 780px; }

.toc-sidebar {
  position: sticky; top: 70px;
  padding: 40px 20px 40px 40px;
  border-right: 1px solid var(--border);
  max-height: calc(100vh - 80px); overflow-y: auto;
}
.toc-label { font-family: var(--mono); font-size: 9px; letter-spacing: .25em; text-transform: uppercase; color: var(--text3); margin-bottom: 14px; }
.toc-link {
  display: block; font-family: var(--mono); font-size: 11px;
  color: var(--text3); padding: 5px 0; letter-spacing: .04em;
  transition: color .12s; line-height: 1.4; border-left: 2px solid transparent;
}
.toc-link:hover, .toc-link.active { color: var(--green); text-decoration: none; }
.toc-link.active { border-left-color: var(--green); padding-left: 8px; }
.toc-level-3 { padding-left: 14px; font-size: 10px; }
.toc-level-3.active { padding-left: 22px; }

.post-full { padding: 48px 44px 80px 40px; max-width: 780px; }
.post-full.has-toc { padding-left: 44px; }

.post-breadcrumb { font-family: var(--mono); font-size: 10px; letter-spacing: .15em; color: var(--text3); margin-bottom: 22px; text-transform: uppercase; }
.post-breadcrumb a { color: var(--text3); }
.post-breadcrumb a:hover { color: var(--green); text-decoration: none; }
.bc-sep { margin: 0 6px; }

.post-cover { margin-bottom: 28px; }
.post-cover img { width: 100%; max-height: 340px; object-fit: cover; display: block; border: 1px solid var(--border); }

.post-full-title {
  font-family: var(--display);
  font-size: clamp(26px, 3.8vw, 50px);
  font-weight: 900; line-height: 1.08;
  color: #e8ead8; letter-spacing: -.02em; margin-bottom: 18px;
}
[data-theme="light"] .post-full-title { color: #0f1009; }
.post-full-title em { font-style: italic; color: var(--green); }

.post-full-meta {
  font-family: var(--mono); font-size: 11px; color: var(--text3);
  letter-spacing: .1em; margin-bottom: 36px; padding-bottom: 22px;
  border-bottom: 1px solid var(--border); display: flex; gap: 6px;
  flex-wrap: wrap; align-items: center;
}
.meta-sep { color: var(--border); }
.meta-cat { color: var(--green); letter-spacing: .1em; }
.meta-cat:hover { text-decoration: underline; }
.meta-tag {
  color: var(--amber); font-size: 10px; padding: 2px 7px;
  border: 1px solid rgba(232,160,0,.22); letter-spacing: .1em;
}
.meta-tag:hover { text-decoration: none; border-color: var(--amber); }

/* ── POST BODY ── */
.post-body {
  font-size: 17px; line-height: 1.84; color: var(--text);
}
.post-body h2 {
  font-family: var(--display); font-size: 26px; font-weight: 700;
  color: #e0e3d0; margin: 44px 0 14px; letter-spacing: -.01em; line-height: 1.2;
}
[data-theme="light"] .post-body h2 { color: #111309; }
.post-body h3 {
  font-family: var(--display); font-size: 20px; font-weight: 700;
  color: #cdd0c4; margin: 32px 0 10px; line-height: 1.3;
}
.post-body p { margin-bottom: 22px; }
.post-body a { color: var(--green); border-bottom: 1px solid var(--gdim); transition: border-color .12s; }
.post-body a:hover { border-color: var(--green); text-decoration: none; }
.post-body strong { color: #d8dbd0; font-weight: 600; }
[data-theme="light"] .post-body strong { color: #111309; }
.post-body em { font-style: italic; }
.post-body code {
  font-family: var(--mono); font-size: 13.5px;
  background: var(--surface); color: var(--green2);
  padding: 2px 6px; border: 1px solid var(--border2);
}
.post-body pre {
  background: var(--surface); border: 1px solid var(--border);
  padding: 22px 24px; margin: 24px 0; overflow-x: auto;
  position: relative;
}
.post-body pre code {
  background: none; padding: 0; border: none;
  font-size: 13px; line-height: 1.72; color: var(--text);
}
.post-body blockquote {
  border-left: 2px solid var(--green); padding: 4px 0 4px 22px;
  color: var(--text2); font-style: italic; margin: 24px 0;
}
.post-body ul, .post-body ol { margin: 0 0 22px 24px; }
.post-body li { margin-bottom: 7px; }
.post-body img { max-width: 100%; height: auto; display: block; margin: 28px 0; border: 1px solid var(--border); }
.post-body hr { border: none; border-top: 1px solid var(--border); margin: 36px 0; }
.post-body table { width: 100%; border-collapse: collapse; margin: 24px 0; font-size: 14px; }
.post-body th { font-family: var(--mono); font-size: 10px; letter-spacing: .15em; text-transform: uppercase; color: var(--text3); padding: 8px 12px; border-bottom: 1px solid var(--border); text-align: left; }
.post-body td { padding: 10px 12px; border-bottom: 1px solid var(--border2); }

/* copy button */
.copy-btn {
  position: absolute; top: 10px; right: 10px;
  font-family: var(--mono); font-size: 10px; letter-spacing: .1em;
  background: var(--bg2); color: var(--text3); border: 1px solid var(--border);
  padding: 4px 9px; cursor: pointer; transition: all .12s;
}
.copy-btn:hover { color: var(--green); border-color: var(--green); }
.copy-btn.copied { color: var(--green); }

/* ── RELATED POSTS ── */
.related-posts { margin-top: 56px; padding-top: 28px; border-top: 1px solid var(--border); }
.related-label { font-family: var(--mono); font-size: 10px; letter-spacing: .25em; color: var(--text3); text-transform: uppercase; margin-bottom: 18px; }
.related-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px,1fr)); gap: 14px; }
.related-card {
  border: 1px solid var(--border); padding: 16px;
  display: flex; flex-direction: column; gap: 7px;
  transition: border-color .12s, background .12s; cursor: pointer;
}
.related-card:hover { border-color: var(--green); background: var(--gfaint); text-decoration: none; }
.rc-cat { font-family: var(--mono); font-size: 9px; letter-spacing: .18em; color: var(--gdim); text-transform: uppercase; }
.rc-title { font-family: var(--display); font-size: 14px; font-weight: 700; color: var(--text); line-height: 1.35; }
.related-card:hover .rc-title { color: var(--green); }
.rc-date { font-family: var(--mono); font-size: 10px; color: var(--text3); }

/* ── POST FOOTER ── */
.post-footer-nav { margin-top: 48px; display: flex; justify-content: space-between; padding-top: 22px; border-top: 1px solid var(--border); font-family: var(--mono); font-size: 11px; letter-spacing: .1em; }
.btn-back, .btn-top { color: var(--text3); transition: color .12s; }
.btn-back:hover, .btn-top:hover { color: var(--green); text-decoration: none; }

/* ── ARCHIVE ── */
.archive-page { max-width: 800px; margin: 0 auto; padding: 52px 40px 80px; }
.archive-title { font-family: var(--display); font-size: 48px; font-weight: 900; color: #e8ead8; letter-spacing: -.02em; margin-bottom: 48px; }
[data-theme="light"] .archive-title { color: #0f1009; }
.archive-year { font-family: var(--mono); font-size: 10px; letter-spacing: .28em; color: var(--text3); text-transform: uppercase; margin-bottom: 14px; padding-bottom: 8px; border-bottom: 1px solid var(--border); }
.archive-year-group { margin-bottom: 40px; }
.archive-row {
  display: flex; justify-content: space-between; align-items: baseline;
  padding: 11px 0; border-bottom: 1px solid var(--border2);
  gap: 20px; transition: padding-left .15s;
}
.archive-row:hover { padding-left: 10px; }
.archive-row:hover .ar-title { color: var(--green); }
.ar-title { font-family: var(--display); font-size: 17px; font-weight: 700; color: #dde0ce; line-height: 1.3; }
[data-theme="light"] .ar-title { color: #111309; }
.ar-cat { font-family: var(--mono); font-size: 10px; color: var(--gdim); letter-spacing: .12em; margin-left: 10px; text-transform: uppercase; }
.ar-date { font-family: var(--mono); font-size: 11px; color: var(--text3); white-space: nowrap; letter-spacing: .06em; }

/* ── ABOUT PAGE ── */
.about-page { max-width: 1100px; margin: 0 auto; padding: 0 0 80px; }
.about-hero { padding: 52px 40px 40px; border-bottom: 1px solid var(--border); }
.about-name-big { font-family: var(--display); font-size: clamp(44px,7vw,90px); font-weight: 900; color: #e8ead8; letter-spacing: -.03em; line-height: 1; margin-bottom: 10px; }
[data-theme="light"] .about-name-big { color: #0f1009; }
.about-tagline-big { font-family: var(--mono); font-size: 13px; color: var(--text2); letter-spacing: .1em; }
.about-grid { display: grid; grid-template-columns: 1fr 280px; }
.about-main { padding: 40px 40px 40px 40px; border-right: 1px solid var(--border); }
.about-bio-text p { font-size: 17px; line-height: 1.84; color: var(--text2); margin-bottom: 22px; }
.about-stats { display: grid; grid-template-columns: repeat(4,1fr); gap: 0; border: 1px solid var(--border); margin: 36px 0; }
.astat { padding: 18px; border-right: 1px solid var(--border2); }
.astat:last-child { border-right: none; }
.astat-n { font-family: var(--mono); font-size: 28px; color: var(--green); display: block; margin-bottom: 3px; }
.astat-l { font-family: var(--mono); font-size: 10px; color: var(--text3); letter-spacing: .15em; text-transform: uppercase; }
.about-section { margin-top: 36px; }
.about-section-label { font-family: var(--mono); font-size: 10px; letter-spacing: .25em; color: var(--text3); text-transform: uppercase; margin-bottom: 14px; padding-bottom: 10px; border-bottom: 1px solid var(--border); }
.about-post-row { display: flex; justify-content: space-between; align-items: baseline; padding: 10px 0; border-bottom: 1px solid var(--border2); gap: 16px; transition: background .12s; }
.about-post-row:hover .apr-title { color: var(--green); }
.apr-title { font-size: 14px; color: var(--text); flex: 1; }
.apr-date { font-family: var(--mono); font-size: 10px; color: var(--text3); white-space: nowrap; }
.about-more { font-family: var(--mono); font-size: 11px; color: var(--text3); letter-spacing: .1em; display: block; margin-top: 12px; }
.about-more:hover { color: var(--green); text-decoration: none; }
.about-aside { padding: 28px 20px; }
.about-card { background: var(--surface); border: 1px solid var(--border); margin-bottom: 16px; }
.about-card-head { padding: 9px 14px; font-family: var(--mono); font-size: 10px; letter-spacing: .2em; text-transform: uppercase; color: var(--text3); border-bottom: 1px solid var(--border); background: var(--bg2); }
.about-card .tag-cloud, .about-card .contact-item, .about-card .pgp-fp, .about-card .about-link-btn { padding: 12px 14px; display: block; }
.about-card .tag-cloud { padding-bottom: 10px; }
.pgp-fp { font-family: var(--mono); font-size: 11px; color: var(--green); letter-spacing: .04em; word-break: break-all; }
.about-link-btn { font-family: var(--mono); font-size: 11px; color: var(--text2); letter-spacing: .1em; border: 1px solid var(--border); display: inline-block; padding: 7px 14px; margin: 10px 14px 14px; transition: color .12s, border-color .12s; }
.about-link-btn:hover { color: var(--green); border-color: var(--green); text-decoration: none; }
.contact-item { font-family: var(--mono); font-size: 11px; padding: 8px 14px; border-bottom: 1px solid var(--border2); display: flex; gap: 10px; }
.contact-item:last-child { border-bottom: none; }
.ci-label { color: var(--text3); letter-spacing: .1em; font-size: 10px; text-transform: uppercase; min-width: 50px; }
.tor-addr { font-size: 10px; color: var(--text2); word-break: break-all; }

/* ── SEARCH PAGE ── */
.search-page { max-width: 760px; margin: 0 auto; padding: 52px 40px 80px; }
.search-hero { margin-bottom: 40px; }
.search-form { display: flex; border: 1px solid var(--border); }
.search-input {
  flex: 1; background: var(--surface); border: none; outline: none;
  color: var(--text); font-family: var(--serif); font-size: 16px;
  padding: 14px 18px; letter-spacing: .01em;
}
.search-input::placeholder { color: var(--text3); }
.search-btn {
  background: var(--green); color: #000; border: none;
  font-family: var(--mono); font-size: 16px; padding: 0 22px;
  cursor: pointer; transition: background .12s;
}
.search-btn:hover { background: var(--green2); }
.search-count { font-family: var(--mono); font-size: 11px; color: var(--text3); letter-spacing: .1em; margin-bottom: 24px; }
.search-count em { color: var(--green); font-style: normal; }
.search-empty { font-family: var(--mono); font-size: 13px; color: var(--text3); letter-spacing: .08em; }
.search-empty em { color: var(--text2); font-style: normal; }
.search-result {
  display: block; padding: 20px 0; border-bottom: 1px solid var(--border2);
  transition: padding-left .15s;
}
.search-result:hover { padding-left: 10px; text-decoration: none; }
.search-result:hover .sr-title { color: var(--green); }
.sr-type { font-family: var(--mono); font-size: 10px; letter-spacing: .2em; color: var(--gdim); text-transform: uppercase; margin-bottom: 6px; }
.sr-title { font-family: var(--display); font-size: 18px; font-weight: 700; color: #dde0ce; line-height: 1.3; margin-bottom: 7px; transition: color .12s; }
[data-theme="light"] .sr-title { color: #111309; }
.sr-excerpt { font-size: 13px; color: var(--text2); line-height: 1.65; margin-bottom: 7px; }
.sr-meta { font-family: var(--mono); font-size: 10px; color: var(--text3); letter-spacing: .08em; }

/* ── BUTTONS ── */
.btn {
  font-family: var(--mono); font-size: 11px; letter-spacing: .16em;
  text-transform: uppercase; padding: 9px 18px;
  display: inline-block; cursor: pointer; border: none; transition: all .15s;
}
.btn-green { background: var(--green); color: #000; }
.btn-green:hover { background: var(--green2); box-shadow: 0 0 16px rgba(0,255,65,.25); text-decoration: none; }
.btn-outline { background: transparent; color: var(--text2); border: 1px solid var(--border); }
.btn-outline:hover { color: var(--green); border-color: var(--green); text-decoration: none; }

/* ── FOOTER ── */
.site-footer {
  border-top: 1px solid var(--border); padding: 18px 40px;
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--mono); font-size: 10px; color: var(--text3);
  letter-spacing: .1em; flex-wrap: wrap; gap: 12px;
  max-width: 1200px; margin: 0 auto;
}
.footer-brand { color: var(--green); font-size: 13px; letter-spacing: .05em; }
.footer-left { display: flex; align-items: center; gap: 16px; }
.footer-sep { color: var(--border); }
.footer-right { display: flex; gap: 18px; }
.site-footer a { color: var(--text3); }
.site-footer a:hover { color: var(--green); text-decoration: none; }

/* ── RESPONSIVE ── */
@media (max-width: 1000px) {
  .hero, .page-grid { grid-template-columns: 1fr; }
  .hero-main { border-right: none; }
  .page-main { border-right: none; }
  .post-layout { grid-template-columns: 1fr !important; }
  .toc-sidebar { display: none; }
  .about-grid { grid-template-columns: 1fr; }
  .about-aside { border-top: 1px solid var(--border); }
}
@media (max-width: 700px) {
  .site-nav { padding: 0 20px; }
  .nav-links { gap: 14px; }
  .hero-main, .section-bar, .post-card, .paper-card, .post-full, .site-footer, .archive-page, .search-page { padding-left: 20px; padding-right: 20px; }
  .about-main { padding: 24px 20px; }
  .about-stats { grid-template-columns: repeat(2,1fr); }
  .post-card { grid-template-columns: 1fr; }
  .pc-meta-col { flex-direction: row; }
  .pc-cover { display: none; }
  .counts { flex-wrap: wrap; }
  .count-cell { flex: 1 1 40%; }
}

/* ── THEME TRANSITION ── */
*, *::before, *::after { transition: background-color .25s, border-color .25s, color .25s; }