/* 葬AI Web4 — retro CRT terminal aesthetic
   palette: phosphor-green on dark, with amber accents */

:root {
  --bg: #0a0d0a;
  --bg-elev: #11161a;
  --bg-card: #141a18;
  --border: #1f3a2a;
  --border-bright: #2d5c3f;
  --fg: #c8e0c4;
  --fg-dim: #7a9484;
  --fg-mute: #4a5e54;
  --primary: #4ade80;        /* phosphor green */
  --primary-glow: #4ade8040;
  --secondary: #fbbf24;      /* amber accent */
  --secondary-glow: #fbbf2440;
  --danger: #ef4444;
  --type-product: #4ade80;
  --type-founder: #60a5fa;
  --type-company: #c084fc;
  --type-vc: #fbbf24;
  --font-mono: "JetBrains Mono", "Fira Code", "SF Mono", "Menlo", "Monaco", "Consolas", "Courier New", monospace;
  --font-pixel: "Press Start 2P", "VT323", "Courier New", monospace;
  --maxw: 1200px;
  --radius: 2px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
}

body {
  background:
    radial-gradient(ellipse at center, transparent 0%, rgba(0,0,0,0.4) 100%),
    var(--bg);
  background-attachment: fixed;
  position: relative;
  overflow-x: hidden;
}

/* CRT scanlines */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  background: repeating-linear-gradient(
    0deg,
    rgba(0, 0, 0, 0) 0px,
    rgba(0, 0, 0, 0) 2px,
    rgba(0, 0, 0, 0.15) 3px,
    rgba(0, 0, 0, 0) 4px
  );
  mix-blend-mode: multiply;
}

/* CRT flicker */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9998;
  background: rgba(74, 222, 128, 0.02);
  animation: flicker 8s infinite;
}

@keyframes flicker {
  0%, 100% { opacity: 0; }
  3%, 4% { opacity: 0.3; }
  5% { opacity: 0; }
  50%, 51% { opacity: 0.2; }
  52% { opacity: 0; }
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.15s, text-shadow 0.15s;
}
a:hover {
  color: var(--secondary);
  text-shadow: 0 0 4px var(--secondary-glow);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-mono);
  color: var(--primary);
  font-weight: 600;
  letter-spacing: 0.02em;
  margin: 0 0 0.6em;
}

h1 { font-size: 28px; line-height: 1.3; }
h2 { font-size: 20px; line-height: 1.4; }
h3 { font-size: 16px; }

p { margin: 0 0 1em; }

code {
  font-family: var(--font-mono);
  background: var(--bg-elev);
  padding: 1px 6px;
  border-radius: var(--radius);
  font-size: 0.92em;
  color: var(--secondary);
  border: 1px solid var(--border);
}

pre {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  padding: 12px 14px;
  border-radius: var(--radius);
  overflow-x: auto;
  font-size: 12.5px;
  line-height: 1.5;
}
pre code { background: transparent; padding: 0; border: 0; }

blockquote {
  margin: 1em 0;
  padding: 6px 14px;
  border-left: 3px solid var(--secondary);
  background: var(--bg-elev);
  color: var(--fg-dim);
  font-style: italic;
}

hr {
  border: 0;
  border-top: 1px dashed var(--border-bright);
  margin: 1.5em 0;
}

img { max-width: 100%; height: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  margin: 1em 0;
  font-size: 13px;
}
th, td {
  border: 1px solid var(--border);
  padding: 6px 10px;
  text-align: left;
}
th {
  background: var(--bg-elev);
  color: var(--primary);
  font-weight: 600;
}

/* ---- Layout ---- */

.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 20px;
}

.site {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

main {
  flex: 1;
  padding: 24px 0 48px;
}

/* ---- Navbar ---- */

.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 13, 10, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 52px;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  color: var(--primary);
  font-size: 15px;
  letter-spacing: 0.05em;
}
.brand:hover { color: var(--primary); }
.brand-glyph {
  display: inline-block;
  width: 22px;
  height: 22px;
  background: var(--primary);
  color: var(--bg);
  font-family: var(--font-mono);
  font-weight: 700;
  text-align: center;
  line-height: 22px;
  font-size: 13px;
  border-radius: 1px;
  box-shadow: 0 0 8px var(--primary-glow);
}
.brand-text { color: var(--primary); text-shadow: 0 0 6px var(--primary-glow); }

.nav-links {
  display: flex;
  gap: 4px;
  align-items: center;
}
.nav-links a {
  padding: 6px 12px;
  color: var(--fg-dim);
  font-size: 13px;
  border: 1px solid transparent;
  transition: all 0.15s;
}
.nav-links a:hover {
  color: var(--primary);
  border-color: var(--border);
  background: var(--bg-elev);
  text-shadow: 0 0 4px var(--primary-glow);
}
.nav-links a.active {
  color: var(--primary);
  border-color: var(--border-bright);
  background: var(--bg-elev);
}

/* ---- Hero ---- */

.hero {
  padding: 60px 0 40px;
  text-align: center;
  border-bottom: 1px dashed var(--border);
  margin-bottom: 40px;
}

.hero-tag {
  display: inline-block;
  color: var(--fg-mute);
  font-size: 11px;
  letter-spacing: 0.3em;
  margin-bottom: 18px;
  text-transform: uppercase;
}

.hero-title {
  font-size: 56px;
  line-height: 1.1;
  margin: 0 0 18px;
  color: var(--primary);
  text-shadow: 0 0 16px var(--primary-glow), 0 0 4px var(--primary-glow);
  letter-spacing: 0.04em;
  font-weight: 700;
}
.hero-title .caret {
  display: inline-block;
  width: 0.55em;
  height: 1em;
  background: var(--primary);
  vertical-align: -0.12em;
  margin-left: 4px;
  animation: blink 1s steps(2) infinite;
  box-shadow: 0 0 8px var(--primary-glow);
}
@keyframes blink { 50% { opacity: 0; } }

.hero-sub {
  font-size: 15px;
  color: var(--fg-dim);
  max-width: 640px;
  margin: 0 auto 28px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  border: 1px solid var(--primary);
  color: var(--primary);
  background: transparent;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: all 0.15s;
  text-transform: uppercase;
}
.btn:hover {
  background: var(--primary);
  color: var(--bg);
  text-shadow: none;
  box-shadow: 0 0 16px var(--primary-glow);
}
.btn-ghost {
  border-color: var(--border-bright);
  color: var(--fg);
}
.btn-ghost:hover {
  background: var(--bg-elev);
  color: var(--primary);
  border-color: var(--primary);
  box-shadow: 0 0 8px var(--primary-glow);
}
.btn .arrow { font-family: var(--font-mono); }

/* ---- Stats grid ---- */

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  margin: 32px 0 8px;
}

.stat {
  border: 1px solid var(--border);
  background: var(--bg-card);
  padding: 18px 20px;
  position: relative;
  overflow: hidden;
}
.stat::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
  opacity: 0.4;
}
.stat-label {
  color: var(--fg-mute);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.stat-value {
  font-size: 30px;
  color: var(--primary);
  font-weight: 700;
  line-height: 1;
  text-shadow: 0 0 8px var(--primary-glow);
  font-variant-numeric: tabular-nums;
}
.stat-suffix {
  font-size: 13px;
  color: var(--fg-dim);
  margin-left: 4px;
  font-weight: 400;
}

/* ---- Section ---- */

.section {
  margin: 40px 0;
}
.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px dashed var(--border);
}
.section-title {
  font-size: 18px;
  color: var(--primary);
  margin: 0;
  letter-spacing: 0.05em;
}
.section-title::before {
  content: "▍";
  color: var(--secondary);
  margin-right: 6px;
}
.section-aside {
  color: var(--fg-mute);
  font-size: 12px;
}

/* ---- Leaderboard ---- */

.leaderboards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 14px;
  margin: 16px 0 0;
}

.leaderboard {
  border: 1px solid var(--border);
  background: var(--bg-card);
  display: flex;
  flex-direction: column;
  max-height: 520px;
}
.lb-head {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-elev);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.lb-title {
  font-size: 13px;
  color: var(--primary);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 600;
}
.lb-title::before {
  content: ">";
  color: var(--secondary);
  margin-right: 6px;
}
.lb-count {
  color: var(--fg-mute);
  font-size: 11px;
}

.lb-list {
  list-style: none;
  margin: 0;
  padding: 4px 0;
  overflow-y: auto;
  flex: 1;
}
.lb-item {
  display: grid;
  grid-template-columns: 28px 1fr auto;
  align-items: center;
  gap: 10px;
  padding: 7px 14px;
  border-bottom: 1px solid rgba(31, 58, 42, 0.4);
  transition: background 0.1s;
  cursor: pointer;
}
.lb-item:hover {
  background: var(--bg-elev);
}
.lb-item:last-child { border-bottom: none; }
.lb-rank {
  color: var(--fg-mute);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
  text-align: right;
}
.lb-item:nth-child(1) .lb-rank { color: var(--secondary); }
.lb-item:nth-child(2) .lb-rank { color: var(--fg); }
.lb-item:nth-child(3) .lb-rank { color: var(--primary); }
.lb-name {
  color: var(--fg);
  font-size: 13px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.lb-item:hover .lb-name { color: var(--primary); }
.lb-meta {
  font-size: 10px;
  color: var(--fg-mute);
  font-variant-numeric: tabular-nums;
}

/* type dot */
.type-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 6px;
  vertical-align: middle;
}
.type-product { background: var(--type-product); box-shadow: 0 0 4px var(--type-product); }
.type-founder, .type-person { background: var(--type-founder); box-shadow: 0 0 4px var(--type-founder); }
.type-company { background: var(--type-company); box-shadow: 0 0 4px var(--type-company); }
.type-vc, .type-vc_firm { background: var(--type-vc); box-shadow: 0 0 4px var(--type-vc); }

/* ---- Article list ---- */

.articles-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-bottom: 20px;
  padding: 12px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
}
.articles-toolbar input[type="search"] {
  flex: 1;
  min-width: 220px;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--fg);
  padding: 8px 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.articles-toolbar input[type="search"]:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 1px var(--primary-glow);
}
.articles-toolbar select {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--fg);
  padding: 8px 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  cursor: pointer;
}
.articles-toolbar .toolbar-info {
  color: var(--fg-mute);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.articles-list {
  display: grid;
  gap: 10px;
}
.article-card {
  display: block;
  padding: 14px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: all 0.15s;
  position: relative;
}
.article-card::before {
  content: ">";
  position: absolute;
  left: 4px;
  top: 14px;
  color: var(--secondary);
  opacity: 0;
  transition: opacity 0.15s;
}
.article-card:hover {
  border-color: var(--primary);
  background: var(--bg-elev);
  box-shadow: 0 0 0 1px var(--primary-glow);
  padding-left: 22px;
}
.article-card:hover::before { opacity: 1; }
.article-card:hover .article-title { color: var(--secondary); }

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 11px;
  color: var(--fg-mute);
  margin-bottom: 4px;
  letter-spacing: 0.05em;
}
.article-meta .id { color: var(--secondary); font-weight: 600; }
.article-meta .sep { color: var(--border-bright); }

.article-title {
  color: var(--fg);
  font-size: 15px;
  line-height: 1.45;
  margin: 0 0 6px;
  font-weight: 500;
}

.article-excerpt {
  color: var(--fg-dim);
  font-size: 12.5px;
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-entities {
  margin-top: 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.entity-chip {
  display: inline-flex;
  align-items: center;
  font-size: 10.5px;
  padding: 1px 6px;
  border: 1px solid var(--border-bright);
  color: var(--fg-dim);
  background: rgba(20, 26, 24, 0.5);
}

.empty-state {
  padding: 40px 20px;
  text-align: center;
  color: var(--fg-mute);
  border: 1px dashed var(--border);
  background: var(--bg-card);
}
.empty-state code { color: var(--secondary); }

/* ---- Article detail ---- */

.article-page {
  max-width: 760px;
  margin: 0 auto;
}
.article-page .article-prose h1 { display: none; }
.article-prose h1 { font-size: 24px; color: var(--primary); margin-top: 1.4em; }
.article-prose h2 {
  font-size: 18px;
  color: var(--primary);
  border-bottom: 1px dashed var(--border);
  padding-bottom: 6px;
  margin-top: 2em;
}
.article-prose h3 { font-size: 15px; color: var(--secondary); margin-top: 1.6em; }
.article-prose p {
  color: var(--fg);
  line-height: 1.8;
  margin: 0.9em 0;
}
.article-prose ul, .article-prose ol {
  padding-left: 1.6em;
  margin: 0.8em 0;
}
.article-prose li { margin: 0.3em 0; line-height: 1.7; }
.article-prose strong { color: var(--secondary); font-weight: 600; }
.article-prose em { color: var(--fg-dim); }
.article-prose a { text-decoration: underline; text-decoration-color: var(--border-bright); text-underline-offset: 3px; }

.article-back {
  display: inline-block;
  margin-bottom: 18px;
  font-size: 12px;
  color: var(--fg-dim);
}
.article-back::before { content: "← "; }

.article-header {
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px dashed var(--border);
}
.article-header h1 {
  font-size: 26px;
  color: var(--primary);
  margin: 6px 0 12px;
  line-height: 1.35;
}

.article-side {
  margin-top: 36px;
  padding: 14px 16px;
  border: 1px solid var(--border);
  background: var(--bg-card);
}
.article-side h3 {
  font-size: 12px;
  color: var(--fg-mute);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 10px;
  font-weight: 600;
}
.article-side .entity-chip { margin: 2px; }

/* ---- Graph page ---- */

.graph-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 16px;
  height: calc(100vh - 52px - 48px);
  min-height: 540px;
}
@media (max-width: 900px) {
  .graph-layout { grid-template-columns: 1fr; height: auto; }
}

.graph-canvas-wrap {
  border: 1px solid var(--border);
  background: #050805;
  position: relative;
  overflow: hidden;
}
#graph-canvas { width: 100%; height: 100%; display: block; }

.graph-toolbar {
  position: absolute;
  top: 10px;
  left: 10px;
  display: flex;
  gap: 6px;
  z-index: 5;
  flex-wrap: wrap;
  max-width: calc(100% - 20px);
}
.graph-toolbar .btn {
  padding: 5px 10px;
  font-size: 11px;
  background: rgba(10, 13, 10, 0.85);
}
.graph-toolbar .btn.active {
  background: var(--primary);
  color: var(--bg);
}

.graph-legend {
  position: absolute;
  bottom: 10px;
  left: 10px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  z-index: 5;
  background: rgba(10, 13, 10, 0.7);
  padding: 6px 10px;
  border: 1px solid var(--border);
  font-size: 11px;
}
.graph-legend .item { display: flex; align-items: center; gap: 5px; color: var(--fg-dim); }

.graph-stats {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 5;
  background: rgba(10, 13, 10, 0.85);
  border: 1px solid var(--border);
  padding: 6px 10px;
  font-size: 11px;
  color: var(--fg-dim);
  font-variant-numeric: tabular-nums;
}

.graph-sidebar {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 0;
  overflow-y: auto;
}

.graph-panel {
  border: 1px solid var(--border);
  background: var(--bg-card);
  padding: 12px 14px;
}
.graph-panel h3 {
  font-size: 12px;
  color: var(--primary);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin: 0 0 10px;
  font-weight: 600;
}
.graph-panel h3::before { content: "▸ "; color: var(--secondary); }

.node-detail {
  font-size: 12.5px;
  color: var(--fg);
}
.node-detail .name {
  font-size: 15px;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 4px;
  word-break: break-word;
}
.node-detail .type-row {
  color: var(--fg-mute);
  font-size: 11px;
  margin-bottom: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.node-detail .desc {
  color: var(--fg-dim);
  line-height: 1.55;
  margin: 0 0 10px;
  font-size: 12.5px;
}
.node-detail .stat-row {
  display: flex;
  gap: 12px;
  margin-top: 8px;
  font-size: 11px;
  color: var(--fg-mute);
  flex-wrap: wrap;
}
.node-detail .stat-row .v { color: var(--secondary); font-weight: 600; }

.lb-mini {
  list-style: none;
  margin: 0;
  padding: 0;
  max-height: 200px;
  overflow-y: auto;
}
.lb-mini li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 0;
  border-bottom: 1px dashed var(--border);
  font-size: 12px;
  cursor: pointer;
}
.lb-mini li:hover .lb-mini-name { color: var(--primary); }
.lb-mini .lb-mini-name { color: var(--fg); flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.lb-mini .lb-mini-meta { color: var(--fg-mute); font-size: 10px; font-variant-numeric: tabular-nums; }

.search-input {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--fg);
  padding: 7px 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  outline: none;
}
.search-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 1px var(--primary-glow);
}

.hint {
  color: var(--fg-mute);
  font-size: 11px;
  font-style: italic;
  margin-top: 6px;
}

/* ---- Footer ---- */

.footer {
  border-top: 1px solid var(--border);
  padding: 24px 0;
  margin-top: 48px;
  background: rgba(10, 13, 10, 0.6);
}
.footer-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 20px;
  text-align: center;
  color: var(--fg-mute);
  font-size: 12px;
}
.footer a { color: var(--primary); }
.footer-links {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 8px;
}
.footer-divider {
  margin: 0 4px;
  color: var(--border-bright);
}

/* ---- Loading / error ---- */

.loading, .error {
  padding: 60px 20px;
  text-align: center;
  color: var(--fg-mute);
}
.loading::before {
  content: "▮▮▮ ";
  color: var(--primary);
  animation: pulse 1.2s steps(4) infinite;
}
@keyframes pulse {
  0% { content: "▮   "; }
  25% { content: "▮▮  "; }
  50% { content: "▮▮▮ "; }
  75% { content: "▮▮  "; }
  100% { content: "▮   "; }
}
.error { color: var(--danger); }

/* ---- Utility ---- */

.text-mute { color: var(--fg-mute); }
.text-dim { color: var(--fg-dim); }
.text-primary { color: var(--primary); }
.text-secondary { color: var(--secondary); }
.mono { font-family: var(--font-mono); }
.tac { text-align: center; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.hidden { display: none !important; }

@media (max-width: 640px) {
  .hero { padding: 36px 0 28px; }
  .hero-title { font-size: 36px; }
  .hero-sub { font-size: 13px; }
  .navbar-inner { padding: 0 12px; }
  .container { padding: 0 12px; }
  .stat-value { font-size: 24px; }
  h1 { font-size: 22px; }
}