/* ============================================================
   葬AI Web4 — Stylesheet
   Tone: 评论媒体 / 尖锐 / 有态度 / 黑底 / 红印章 / 复古打字机
   ============================================================ */

:root {
  --bg: #0a0a0a;
  --bg-elev: #141414;
  --bg-card: #1a1a1a;
  --bg-paper: #f4ede0;
  --line: #2a2a2a;
  --line-strong: #3a3a3a;
  --ink: #ece4d2;
  --ink-soft: #a8a08c;
  --ink-dim: #6e6857;
  --ink-dark: #1a1a1a;

  --cinnabar: #c8341c;       /* 印章红 */
  --cinnabar-bright: #e64a30;
  --vermilion: #d63b27;
  --gold: #d9a44a;
  --jade: #4a8e6f;
  --indigo: #4a6da8;
  --violet: #8a5da8;

  --type-product: #e64a30;
  --type-founder: #d9a44a;
  --type-vc: #4a8e6f;
  --type-company: #4a6da8;

  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  --font-serif: "Source Han Serif SC", "Noto Serif CJK SC", "Songti SC", "STSong", "SimSun", "Times New Roman", serif;
  --font-mono: "JetBrains Mono", "SF Mono", "Menlo", "Consolas", monospace;

  --max: 1200px;
  --gap: 24px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  background-image:
    radial-gradient(circle at 20% 10%, rgba(200,52,28,0.04) 0%, transparent 40%),
    radial-gradient(circle at 80% 90%, rgba(217,164,74,0.04) 0%, transparent 40%);
  min-height: 100vh;
}

/* ===== Subtle grain texture ===== */
body::before {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 100;
  opacity: 0.06;
  background-image: url("data:image/svg+xml;utf8,<svg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  mix-blend-mode: overlay;
}

/* ===== Layout ===== */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(10,10,10,0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: var(--max); margin: 0 auto;
  padding: 14px 24px;
  display: flex; align-items: center; gap: 28px;
}
.nav-brand {
  font-family: var(--font-serif);
  font-size: 20px; font-weight: 700;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: 0.02em;
  display: flex; align-items: center; gap: 10px;
}
.nav-brand .seal {
  display: inline-block;
  width: 28px; height: 28px;
  background: var(--cinnabar);
  color: #fff;
  font-family: var(--font-serif);
  font-size: 18px; font-weight: 900;
  text-align: center; line-height: 28px;
  border-radius: 3px;
  transform: rotate(-2deg);
  box-shadow: 0 1px 0 rgba(0,0,0,0.4);
}
.nav-brand .name { color: var(--ink); }
.nav-brand .name b { color: var(--cinnabar-bright); }
.nav-links {
  display: flex; gap: 4px; flex: 1; align-items: center;
}
.nav-links a {
  color: var(--ink-soft);
  text-decoration: none;
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: color 0.15s;
  position: relative;
}
.nav-links a:hover, .nav-links a.active {
  color: var(--ink);
}
.nav-links a.active::after {
  content: ""; position: absolute;
  bottom: 4px; left: 14px; right: 14px;
  height: 2px; background: var(--cinnabar);
}
.nav-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-dim);
  border: 1px solid var(--line-strong);
  padding: 3px 8px;
  border-radius: 2px;
  letter-spacing: 0.05em;
}

.container { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* ===== Footer ===== */
.foot {
  margin-top: 80px;
  border-top: 1px solid var(--line);
  padding: 32px 0 40px;
}
.foot-inner {
  max-width: var(--max); margin: 0 auto;
  padding: 0 24px;
  display: flex; justify-content: space-between; align-items: flex-start; gap: 24px; flex-wrap: wrap;
}
.foot-meta { color: var(--ink-dim); font-size: 13px; line-height: 1.7; }
.foot-meta b { color: var(--ink-soft); }
.foot-stamp {
  font-family: var(--font-serif);
  color: var(--cinnabar);
  border: 2px solid var(--cinnabar);
  padding: 6px 10px;
  font-size: 12px;
  transform: rotate(-3deg);
  letter-spacing: 0.1em;
  opacity: 0.85;
}

/* ===== Home ===== */
.hero {
  padding: 60px 0 40px;
  border-bottom: 1px solid var(--line);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 48px;
  align-items: center;
}
@media (max-width: 880px) {
  .hero-grid { grid-template-columns: 1fr; gap: 32px; }
}
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cinnabar-bright);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.hero-eyebrow .dot { width: 6px; height: 6px; background: var(--cinnabar-bright); border-radius: 50%; }
.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(40px, 6vw, 68px);
  line-height: 1.05;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin-bottom: 18px;
}
.hero h1 .accent {
  color: var(--cinnabar-bright);
  position: relative;
  white-space: nowrap;
}
.hero h1 .accent::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 4px;
  height: 8px;
  background: var(--cinnabar);
  opacity: 0.25;
  z-index: -1;
}
.hero-lede {
  font-size: 17px;
  line-height: 1.75;
  color: var(--ink-soft);
  max-width: 560px;
  margin-bottom: 24px;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 22px;
  font-family: var(--font-sans);
  font-size: 14px; font-weight: 600;
  text-decoration: none;
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  color: var(--ink);
  background: transparent;
  transition: all 0.15s;
  letter-spacing: 0.02em;
}
.btn:hover { background: var(--ink); color: var(--ink-dark); border-color: var(--ink); }
.btn-primary { background: var(--cinnabar); color: #fff; border-color: var(--cinnabar); }
.btn-primary:hover { background: var(--cinnabar-bright); border-color: var(--cinnabar-bright); color: #fff; }
.btn .arrow { font-family: var(--font-mono); }

/* Stats card */
.hero-stats {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  padding: 28px;
  position: relative;
}
.hero-stats::before {
  content: "stats / 数据";
  position: absolute; top: 10px; right: 14px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--ink-dim);
  letter-spacing: 0.1em;
}
.stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.stat {
  background: var(--bg-elev);
  padding: 22px 14px;
  text-align: center;
}
.stat-n {
  font-family: var(--font-serif);
  font-size: 38px; font-weight: 800;
  color: var(--ink);
  line-height: 1;
  margin-bottom: 6px;
}
.stat-n .unit { font-size: 14px; color: var(--ink-soft); font-weight: 400; margin-left: 2px;}
.stat-l {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-dim);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* Section */
section.block { padding: 60px 0; }
.block-head {
  display: flex; align-items: flex-end; justify-content: space-between;
  margin-bottom: 32px;
  border-bottom: 2px solid var(--ink);
  padding-bottom: 12px;
}
.block-head h2 {
  font-family: var(--font-serif);
  font-size: 28px; font-weight: 700;
  color: var(--ink);
}
.block-head .en {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-dim);
  letter-spacing: 0.1em;
  margin-left: 12px;
}
.block-head .right { font-size: 13px; color: var(--ink-soft); }
.block-head .right a { color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--cinnabar); }

/* Featured articles */
.feat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
@media (max-width: 880px) { .feat-grid { grid-template-columns: 1fr; } }

.feat-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  padding: 22px;
  display: flex; flex-direction: column;
  text-decoration: none;
  color: var(--ink);
  transition: all 0.2s;
  position: relative;
}
.feat-card:hover {
  border-color: var(--cinnabar);
  transform: translateY(-2px);
}
.feat-card .meta {
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-dim);
  margin-bottom: 14px;
  letter-spacing: 0.05em;
}
.feat-card .meta .id { color: var(--cinnabar-bright); font-weight: 600; }
.feat-card h3 {
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 12px;
  color: var(--ink);
}
.feat-card .excerpt {
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.6;
  flex: 1;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical;
  overflow: hidden;
}
.feat-card .author {
  margin-top: 14px;
  font-size: 12px;
  color: var(--ink-dim);
  display: flex; align-items: center; gap: 6px;
}
.feat-card .author::before {
  content: "—";
  color: var(--ink-dim);
}

/* Top entities */
.entity-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
@media (max-width: 880px) { .entity-strip { grid-template-columns: repeat(2, 1fr); } }

.entity-strip .col {
  background: var(--bg-card);
  border: 1px solid var(--line);
  padding: 18px;
}
.entity-strip .col h4 {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ink-dim);
  text-transform: uppercase;
  margin-bottom: 14px;
  display: flex; align-items: center; gap: 8px;
}
.entity-strip .col h4 .swatch {
  width: 8px; height: 8px; border-radius: 2px;
}
.entity-strip ol { list-style: none; counter-reset: r; }
.entity-strip li {
  counter-increment: r;
  padding: 8px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 13px;
  display: flex; justify-content: space-between; gap: 8px;
}
.entity-strip li:last-child { border-bottom: 0; }
.entity-strip li::before {
  content: counter(r, decimal-leading-zero);
  font-family: var(--font-mono);
  color: var(--ink-dim);
  font-size: 11px;
  margin-right: 6px;
}
.entity-strip li .n {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-dim);
}

/* ===== Articles list ===== */
.page-head {
  padding: 50px 0 30px;
  border-bottom: 1px solid var(--line);
}
.page-head h1 {
  font-family: var(--font-serif);
  font-size: 44px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin-bottom: 8px;
}
.page-head p {
  color: var(--ink-soft);
  font-size: 16px;
  max-width: 720px;
}
.crumb {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-dim);
  letter-spacing: 0.05em;
  margin-bottom: 14px;
}
.crumb a { color: var(--ink-soft); text-decoration: none; }
.crumb a:hover { color: var(--ink); }

.list-toolbar {
  display: flex; gap: 12px; align-items: center;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
  flex-wrap: wrap;
}
.search {
  flex: 1; min-width: 200px;
  position: relative;
}
.search input {
  width: 100%;
  background: var(--bg-elev);
  border: 1px solid var(--line-strong);
  color: var(--ink);
  padding: 10px 14px 10px 36px;
  font-family: var(--font-sans);
  font-size: 14px;
  border-radius: 2px;
  outline: none;
  transition: border-color 0.15s;
}
.search input:focus { border-color: var(--cinnabar); }
.search::before {
  content: "⌕";
  position: absolute; left: 12px; top: 50%;
  transform: translateY(-50%);
  color: var(--ink-dim);
  font-size: 16px;
}
.filter-btn {
  font-family: var(--font-mono);
  font-size: 12px;
  background: transparent;
  border: 1px solid var(--line-strong);
  color: var(--ink-soft);
  padding: 9px 14px;
  border-radius: 2px;
  cursor: pointer;
  letter-spacing: 0.05em;
  transition: all 0.15s;
}
.filter-btn:hover { color: var(--ink); border-color: var(--ink); }
.filter-btn.active { background: var(--cinnabar); border-color: var(--cinnabar); color: #fff; }

.articles-list {
  display: grid;
  grid-template-columns: 1fr;
}
.article-row {
  display: grid;
  grid-template-columns: 60px 1fr 140px 90px;
  gap: 18px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  color: inherit;
  align-items: flex-start;
  transition: background 0.15s, padding 0.15s;
}
.article-row:hover { background: var(--bg-elev); padding-left: 12px; padding-right: 12px; }
@media (max-width: 720px) {
  .article-row { grid-template-columns: 50px 1fr; gap: 10px; }
  .article-row .col-date, .article-row .col-entities { display: none; }
}
.article-row .id {
  font-family: var(--font-mono);
  color: var(--cinnabar-bright);
  font-size: 14px;
  font-weight: 600;
  padding-top: 2px;
}
.article-row h3 {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.3;
  margin-bottom: 6px;
}
.article-row .excerpt {
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.6;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden;
}
.article-row .col-date {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-dim);
  padding-top: 5px;
}
.article-row .col-entities {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-dim);
  padding-top: 5px;
  text-align: right;
}
.article-row .col-entities b { color: var(--gold); font-weight: 600; }

.empty {
  padding: 60px 20px;
  text-align: center;
  color: var(--ink-dim);
}
.empty .icon {
  font-family: var(--font-serif);
  font-size: 60px;
  color: var(--line-strong);
  margin-bottom: 16px;
}

/* ===== Article detail ===== */
.article-page {
  padding: 40px 0 60px;
}
.article-layout {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 56px;
  align-items: flex-start;
}
@media (max-width: 960px) {
  .article-layout { grid-template-columns: 1fr; gap: 32px; }
}
.article-main {
  min-width: 0;
}
.article-head {
  margin-bottom: 28px;
  padding-bottom: 24px;
  border-bottom: 2px solid var(--ink);
}
.article-head h1 {
  font-family: var(--font-serif);
  font-size: 38px;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin-bottom: 16px;
}
.article-meta {
  display: flex; gap: 24px; flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink-soft);
  letter-spacing: 0.02em;
}
.article-meta .item { display: flex; gap: 6px; align-items: center; }
.article-meta .item .k { color: var(--ink-dim); }

.article-nav {
  display: flex; justify-content: space-between; align-items: center;
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  gap: 16px;
}
.article-nav a {
  display: flex; flex-direction: column;
  text-decoration: none;
  color: var(--ink-soft);
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: 2px;
  flex: 1;
  max-width: 48%;
  transition: all 0.15s;
}
.article-nav a:hover { border-color: var(--cinnabar); color: var(--ink); }
.article-nav a.next { text-align: right; align-items: flex-end; }
.article-nav .label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-dim);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.article-nav .t {
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical;
  overflow: hidden;
}
.article-nav .placeholder {
  visibility: hidden;
}

/* Markdown rendered */
.prose {
  font-family: var(--font-serif);
  font-size: 17px;
  line-height: 1.85;
  color: var(--ink);
  word-break: break-word;
}
.prose p { margin: 0 0 1.2em; }
.prose h1, .prose h2, .prose h3, .prose h4 {
  font-family: var(--font-serif);
  color: var(--ink);
  margin-top: 1.6em;
  margin-bottom: 0.6em;
  font-weight: 700;
  line-height: 1.3;
}
.prose h1 { font-size: 28px; }
.prose h2 { font-size: 24px; border-bottom: 1px solid var(--line); padding-bottom: 6px; }
.prose h3 { font-size: 20px; }
.prose h4 { font-size: 17px; }
.prose a {
  color: var(--cinnabar-bright);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}
.prose a:hover { color: var(--ink); }
.prose strong { color: var(--ink); font-weight: 700; }
.prose em { color: var(--gold); font-style: normal; }
.prose blockquote {
  border-left: 3px solid var(--cinnabar);
  padding: 8px 16px;
  margin: 1.2em 0;
  color: var(--ink-soft);
  background: var(--bg-elev);
  font-style: normal;
}
.prose blockquote p { margin: 0; }
.prose ul, .prose ol {
  padding-left: 28px;
  margin: 0 0 1.2em;
}
.prose li { margin-bottom: 0.4em; }
.prose code {
  font-family: var(--font-mono);
  font-size: 0.92em;
  background: var(--bg-elev);
  padding: 2px 6px;
  border-radius: 2px;
  color: var(--gold);
  border: 1px solid var(--line);
}
.prose pre {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-left: 3px solid var(--cinnabar);
  padding: 16px;
  border-radius: 2px;
  overflow-x: auto;
  margin: 1.2em 0;
  font-size: 13px;
  line-height: 1.6;
}
.prose pre code {
  background: transparent;
  border: 0;
  padding: 0;
  color: var(--ink);
}
.prose hr {
  border: 0;
  border-top: 1px dashed var(--line-strong);
  margin: 2em 0;
}
.prose img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 1.2em auto;
  border: 1px solid var(--line);
}
.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.2em 0;
  font-size: 14px;
}
.prose table th, .prose table td {
  border: 1px solid var(--line);
  padding: 8px 12px;
  text-align: left;
}
.prose table th { background: var(--bg-elev); font-family: var(--font-mono); font-weight: 600; color: var(--gold); }

/* Article sidebar */
.aside {
  position: sticky; top: 80px;
  display: flex; flex-direction: column; gap: 20px;
}
.aside .card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  padding: 18px;
}
.aside .card h4 {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-dim);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px dashed var(--line);
}
.aside .card ul { list-style: none; }
.aside .card li {
  padding: 8px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 13px;
}
.aside .card li:last-child { border-bottom: 0; }
.aside .card li a {
  color: var(--ink);
  text-decoration: none;
  display: flex; justify-content: space-between; gap: 8px;
  transition: color 0.15s;
}
.aside .card li a:hover { color: var(--cinnabar-bright); }
.aside .card li .id { color: var(--ink-dim); font-family: var(--font-mono); font-size: 11px; }

.tag-cloud {
  display: flex; flex-wrap: wrap; gap: 6px;
}
.tag-cloud a {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  background: var(--bg-elev);
  color: var(--ink-soft);
  border: 1px solid var(--line);
  padding: 3px 8px;
  border-radius: 2px;
  text-decoration: none;
  letter-spacing: 0.05em;
}
.tag-cloud a:hover { border-color: var(--cinnabar); color: var(--cinnabar-bright); }

/* ===== Graph page ===== */
.graph-wrap { padding: 40px 0 60px; }
.graph-head {
  display: flex; justify-content: space-between; align-items: flex-end;
  margin-bottom: 24px;
  flex-wrap: wrap; gap: 16px;
}
.graph-head h1 {
  font-family: var(--font-serif);
  font-size: 38px;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 6px;
}
.graph-head p { color: var(--ink-soft); font-size: 14px; max-width: 600px; }

.graph-legend {
  display: flex; gap: 14px;
  flex-wrap: wrap;
}
.legend-item {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-soft);
  cursor: pointer;
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 2px;
  user-select: none;
  transition: all 0.15s;
}
.legend-item:hover { color: var(--ink); border-color: var(--ink-soft); }
.legend-item.muted { opacity: 0.35; }
.legend-item .sw {
  width: 10px; height: 10px; border-radius: 50%;
  display: inline-block;
}

#graph-canvas {
  width: 100%;
  height: 680px;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  position: relative;
  overflow: hidden;
  border-radius: 2px;
  background-image:
    linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
  background-size: 40px 40px;
}
#graph-canvas svg { width: 100%; height: 100%; cursor: grab; }
#graph-canvas svg:active { cursor: grabbing; }

#graph-canvas .node { cursor: pointer; }
#graph-canvas .node circle { stroke: var(--bg); stroke-width: 1.5; }
#graph-canvas .node text {
  font-family: var(--font-mono);
  font-size: 9px;
  fill: var(--ink-soft);
  pointer-events: none;
  text-anchor: middle;
}
#graph-canvas .node.hovered circle { stroke: var(--ink); stroke-width: 2.5; }
#graph-canvas .link { stroke-opacity: 0.25; }

.graph-tooltip {
  position: absolute;
  background: var(--bg);
  border: 1px solid var(--cinnabar);
  padding: 12px 14px;
  max-width: 320px;
  pointer-events: none;
  z-index: 10;
  border-radius: 2px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.6);
  font-size: 13px;
  color: var(--ink);
  display: none;
}
.graph-tooltip .tt-name {
  font-family: var(--font-serif);
  font-size: 16px; font-weight: 700;
  color: var(--ink);
  margin-bottom: 4px;
}
.graph-tooltip .tt-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-dim);
  margin-bottom: 8px;
  letter-spacing: 0.05em;
}
.graph-tooltip .tt-desc {
  font-size: 12px; color: var(--ink-soft); line-height: 1.6;
}
.graph-tooltip .tt-type {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 2px;
  margin-bottom: 6px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #fff;
}

.graph-controls {
  position: absolute;
  top: 12px; right: 12px;
  display: flex; flex-direction: column; gap: 6px;
  z-index: 5;
}
.graph-ctrl-btn {
  width: 32px; height: 32px;
  background: rgba(20,20,20,0.9);
  border: 1px solid var(--line-strong);
  color: var(--ink-soft);
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 14px;
  border-radius: 2px;
  display: flex; align-items: center; justify-content: center;
}
.graph-ctrl-btn:hover { color: var(--ink); border-color: var(--cinnabar); }

.graph-search {
  position: absolute;
  top: 12px; left: 12px;
  z-index: 5;
  background: rgba(20,20,20,0.9);
  border: 1px solid var(--line-strong);
  padding: 8px 10px;
  border-radius: 2px;
  width: 220px;
}
.graph-search input {
  background: transparent;
  border: 0;
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 13px;
  outline: none;
  width: 100%;
}
.graph-search input::placeholder { color: var(--ink-dim); }

.graph-stats {
  position: absolute;
  bottom: 12px; left: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-dim);
  background: rgba(20,20,20,0.85);
  padding: 6px 10px;
  border-radius: 2px;
  border: 1px solid var(--line);
  letter-spacing: 0.05em;
  z-index: 5;
}

/* Leaderboards on graph page */
.lb-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 32px;
}
@media (max-width: 880px) { .lb-grid { grid-template-columns: repeat(2, 1fr); } }

.lb-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  padding: 0;
  display: flex; flex-direction: column;
}
.lb-card .head {
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  display: flex; justify-content: space-between; align-items: center;
}
.lb-card .head h3 {
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  display: flex; align-items: center; gap: 8px;
}
.lb-card .head .sw {
  width: 10px; height: 10px; border-radius: 50%;
}
.lb-card .head .count {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-dim);
  letter-spacing: 0.05em;
}
.lb-card ol { list-style: none; counter-reset: r; flex: 1; }
.lb-card li {
  counter-increment: r;
  padding: 10px 18px;
  border-bottom: 1px dashed var(--line);
  display: grid;
  grid-template-columns: 26px 1fr auto;
  gap: 10px;
  align-items: baseline;
}
.lb-card li:last-child { border-bottom: 0; }
.lb-card li::before {
  content: counter(r, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-dim);
  font-weight: 600;
}
.lb-card li .name {
  font-family: var(--font-serif);
  font-size: 14px;
  color: var(--ink);
  font-weight: 600;
}
.lb-card li .name .desc {
  display: block;
  font-family: var(--font-sans);
  font-size: 11px;
  color: var(--ink-dim);
  font-weight: 400;
  margin-top: 2px;
  line-height: 1.4;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden;
}
.lb-card li .deg {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--gold);
  font-weight: 600;
}

/* utility */
.text-soft { color: var(--ink-soft); }
.text-dim { color: var(--ink-dim); }
.mono { font-family: var(--font-mono); }
.center { text-align: center; }
.hidden { display: none !important; }