:root {
  --bg: #050706;
  --surface: #0b0f0c;
  --surface-2: #111612;
  --surface-3: #171d18;
  --line: #252d27;
  --line-strong: #3a463d;
  --text: #f1f1e9;
  --muted: #9aa49c;
  --dim: #687169;
  --green: #b7ff2a;
  --cyan: #43d9c3;
  --critical: #ff5d68;
  --high: #ff9e45;
  --medium: #e7d35e;
  --low: #43d9c3;
  --radius: 2px;
  --shell: 1240px;
  --mono: "Cascadia Code", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background:
    linear-gradient(rgba(183, 255, 42, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(183, 255, 42, 0.018) 1px, transparent 1px),
    var(--bg);
  background-size: 48px 48px;
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.55;
  min-height: 100vh;
}

a { color: inherit; }
button, input, select { font: inherit; }
button, select { cursor: pointer; }
::selection { color: #071006; background: var(--green); }
.shell { width: min(calc(100% - 48px), var(--shell)); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; z-index: 100; top: 8px; left: 8px; padding: 10px 14px; color: #050706; background: var(--green); transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: relative;
  z-index: 20;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 72px;
  padding: 0 max(24px, calc((100vw - var(--shell)) / 2));
  border-bottom: 1px solid var(--line);
  background: rgba(5, 7, 6, 0.92);
  backdrop-filter: blur(16px);
}
.brand { display: inline-flex; align-items: center; gap: 12px; width: fit-content; color: var(--text); font: 800 18px/1 var(--mono); letter-spacing: .08em; text-decoration: none; }
.brand > span:last-child > span { color: var(--green); }
.brand-mark { display: inline-flex; align-items: flex-end; gap: 2px; width: 20px; height: 20px; padding: 3px; border: 1px solid var(--line-strong); }
.brand-mark i { display: block; width: 3px; background: var(--green); }
.brand-mark i:nth-child(1) { height: 6px; }
.brand-mark i:nth-child(2) { height: 12px; }
.brand-mark i:nth-child(3) { height: 9px; }
.site-header nav { display: flex; align-items: center; gap: 28px; }
.site-header nav a { position: relative; padding: 26px 0 23px; color: var(--muted); font: 600 12px/1 var(--mono); letter-spacing: .08em; text-decoration: none; text-transform: uppercase; }
.site-header nav a:hover, .site-header nav a.active { color: var(--text); }
.site-header nav a.active::after { content: ""; position: absolute; inset: auto 0 -1px; height: 2px; background: var(--green); }
.status-pill { justify-self: end; display: flex; align-items: center; gap: 8px; color: var(--muted); font: 600 11px/1 var(--mono); letter-spacing: .06em; text-transform: uppercase; }
.status-pill span { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 14px rgba(183, 255, 42, .7); }

.hero { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(320px, .7fr); gap: 72px; padding-block: 88px 76px; border-bottom: 1px solid var(--line); }
.eyebrow { margin: 0 0 20px; color: var(--green); font: 600 11px/1.2 var(--mono); letter-spacing: .16em; text-transform: uppercase; }
.eyebrow::before { content: "[ "; color: var(--dim); }
.eyebrow::after { content: " ]"; color: var(--dim); }
.hero h1, .guide-hero h1 { max-width: 760px; margin: 0; font-size: clamp(48px, 7vw, 88px); line-height: .96; letter-spacing: -.058em; }
.hero h1 em, .guide-hero h1 em { color: var(--green); font-style: normal; font-weight: 600; }
.hero-lede { max-width: 690px; margin: 32px 0 38px; color: #b6bdb7; font-size: 17px; line-height: 1.7; }
.hero-search label { display: block; margin-bottom: 10px; color: var(--muted); font: 600 11px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.search-control { position: relative; display: flex; align-items: center; height: 64px; border: 1px solid var(--line-strong); background: #0a0e0b; transition: border-color .2s, box-shadow .2s; }
.search-control:focus-within { border-color: var(--green); box-shadow: 0 0 0 3px rgba(183, 255, 42, .08); }
.search-control input { width: 100%; height: 100%; padding: 0 58px 0 54px; color: var(--text); border: 0; outline: 0; background: transparent; font-size: 16px; }
.search-control input::placeholder { color: #69726b; }
.search-glyph { position: absolute; left: 22px; width: 15px; height: 15px; border: 1.5px solid var(--green); border-radius: 50%; }
.search-glyph::after { content: ""; position: absolute; width: 7px; height: 1px; right: -5px; bottom: -3px; background: var(--green); transform: rotate(45deg); transform-origin: left; }
kbd { display: inline-grid; place-items: center; min-width: 26px; min-height: 25px; padding: 0 6px; color: var(--muted); border: 1px solid var(--line-strong); border-bottom-color: #58635a; border-radius: 3px; background: var(--surface-2); font: 12px/1 var(--mono); }
.search-control kbd { position: absolute; right: 18px; }
.hero-search > p { margin: 10px 0 0; color: var(--dim); font: 11px/1.5 var(--mono); }
.hero-search > p strong { color: var(--cyan); font-weight: 500; }

.signal-panel { align-self: stretch; padding: 24px; border: 1px solid var(--line); background: linear-gradient(145deg, rgba(19, 25, 20, .95), rgba(8, 11, 9, .95)); box-shadow: inset 0 1px 0 rgba(255, 255, 255, .025); }
.signal-head { display: flex; justify-content: space-between; color: var(--dim); font: 600 10px/1 var(--mono); letter-spacing: .12em; }
.signal-head b { color: var(--green); font-weight: 600; }
.signal-number { margin-top: 42px; font: 500 clamp(64px, 8vw, 104px)/.82 var(--mono); letter-spacing: -.08em; }
.signal-panel > p { margin: 14px 0 34px; color: var(--muted); font-size: 13px; }
.signal-trace { display: flex; align-items: center; gap: 5px; height: 56px; padding: 0 4px; border-block: 1px solid var(--line); overflow: hidden; }
.signal-trace i { display: block; flex: 1; min-width: 4px; height: 3px; background: var(--green); box-shadow: 0 0 8px rgba(183, 255, 42, .35); }
.signal-trace i:nth-child(2) { height: 14px; clip-path: polygon(0 48%, 20% 48%, 32% 0, 42% 100%, 56% 35%, 70% 65%, 100% 48%); }
.signal-trace i:nth-child(4) { height: 40px; clip-path: polygon(0 49%, 12% 49%, 20% 30%, 28% 64%, 38% 48%, 50% 48%, 61% 0, 68% 100%, 76% 25%, 86% 68%, 100% 49%); }
.signal-trace i:nth-child(6) { height: 20px; clip-path: polygon(0 49%, 20% 49%, 36% 15%, 51% 88%, 66% 38%, 100% 49%); }
.signal-trace i:nth-child(8) { height: 10px; clip-path: polygon(0 49%, 30% 49%, 45% 0, 56% 100%, 70% 49%, 100% 49%); }
.signal-metrics { display: grid; grid-template-columns: 1fr 1fr; margin-top: 24px; }
.signal-metrics div { display: grid; gap: 5px; padding: 0 16px; border-left: 1px solid var(--line); }
.signal-metrics div:first-child { padding-left: 0; border-left: 0; }
.signal-metrics strong { font: 500 22px/1 var(--mono); }
.signal-metrics span { color: var(--dim); font: 10px/1.3 var(--mono); text-transform: uppercase; }
.tactic-scan { display: grid; gap: 9px; margin-top: 26px; }
.tactic-row { display: grid; grid-template-columns: minmax(0, 1fr) 80px 28px; align-items: center; gap: 9px; color: var(--muted); font: 9px/1 var(--mono); letter-spacing: .03em; text-transform: uppercase; }
.tactic-row > span:first-child { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tactic-bar { height: 3px; background: #202821; }
.tactic-bar i { display: block; height: 100%; background: var(--cyan); }
.tactic-row b { color: var(--text); text-align: right; font-weight: 500; }

.catalog { padding-block: 70px 96px; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 32px; margin-bottom: 28px; }
.section-heading .eyebrow { margin-bottom: 10px; }
.section-heading h2 { margin: 0; font-size: 34px; letter-spacing: -.035em; }
.section-heading > p { margin: 0 0 4px; color: var(--muted); font: 12px/1.4 var(--mono); }
.section-heading > p strong { color: var(--green); font-size: 15px; }
.filter-panel { display: grid; grid-template-columns: repeat(4, minmax(130px, 1fr)) minmax(130px, .8fr) auto; gap: 1px; padding: 1px; border: 1px solid var(--line); background: var(--line); }
.filter-group { position: relative; min-width: 0; padding: 13px 14px 11px; background: var(--surface); }
.filter-group label { display: block; margin-bottom: 5px; color: var(--dim); font: 600 9px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.filter-group select { width: 100%; padding: 0 20px 0 0; color: var(--text); border: 0; outline: 0; background: transparent; font-size: 13px; text-overflow: ellipsis; }
.filter-group select option { color: var(--text); background: #111612; }
.filter-group:focus-within { box-shadow: inset 0 -2px var(--green); }
.clear-button { padding: 0 18px; color: var(--muted); border: 0; background: var(--surface); font: 600 10px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.clear-button:hover { color: var(--green); }
.active-filters { display: flex; flex-wrap: wrap; gap: 8px; min-height: 44px; padding-top: 12px; }
.filter-chip { display: inline-flex; align-items: center; gap: 8px; padding: 7px 9px; color: var(--cyan); border: 1px solid rgba(67, 217, 195, .22); background: rgba(67, 217, 195, .06); font: 10px/1 var(--mono); }
.filter-chip button { display: inline-grid; place-items: center; width: 16px; height: 16px; padding: 0; color: inherit; border: 0; background: transparent; }

.card-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.hypothesis-card { position: relative; display: flex; flex-direction: column; min-height: 360px; padding: 22px; overflow: hidden; border: 1px solid var(--line); background: rgba(12, 16, 13, .92); transition: transform .18s ease, border-color .18s ease, background .18s ease; }
.hypothesis-card::after { content: ""; position: absolute; inset: auto 0 0; height: 2px; background: var(--green); transform: scaleX(0); transform-origin: left; transition: transform .2s ease; }
.hypothesis-card:hover { z-index: 1; border-color: #4b594d; background: #101511; transform: translateY(-3px); }
.hypothesis-card:hover::after { transform: scaleX(1); }
.card-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.record-id { color: var(--green); font: 600 11px/1 var(--mono); letter-spacing: .08em; }
.severity { display: inline-flex; align-items: center; gap: 7px; padding: 6px 8px; border: 1px solid currentColor; font: 600 9px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.severity::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: currentColor; }
.severity-critical { color: var(--critical); }
.severity-high { color: var(--high); }
.severity-medium { color: var(--medium); }
.severity-low { color: var(--low); }
.card-tactic { margin: 30px 0 12px; color: var(--cyan); font: 600 10px/1.3 var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.hypothesis-card h3 { margin: 0; font-size: 19px; line-height: 1.35; letter-spacing: -.018em; }
.hypothesis-card h3 a { text-decoration: none; }
.hypothesis-card h3 a::after { content: ""; position: absolute; inset: 0; }
.card-statement { display: -webkit-box; margin: 13px 0 22px; overflow: hidden; color: var(--muted); font-size: 13px; line-height: 1.6; -webkit-box-orient: vertical; -webkit-line-clamp: 3; }
.card-meta { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: auto; padding-top: 18px; border-top: 1px solid var(--line); }
.card-meta div { min-width: 0; }
.card-meta span { display: block; margin-bottom: 5px; color: var(--dim); font: 600 8px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.card-meta strong { display: block; overflow: hidden; color: #c8cec9; font: 500 10px/1.5 var(--mono); text-overflow: ellipsis; white-space: nowrap; }
.load-zone { display: grid; place-items: center; padding-top: 32px; }
.load-more, .empty-state button, .button-link { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 18px; color: var(--green); border: 1px solid #536431; background: rgba(183, 255, 42, .04); font: 600 10px/1 var(--mono); letter-spacing: .08em; text-decoration: none; text-transform: uppercase; }
.load-more:hover, .empty-state button:hover, .button-link:hover { color: #071006; background: var(--green); }
.empty-state { padding: 72px 24px; text-align: center; border: 1px solid var(--line); background: var(--surface); }
.empty-state > span { color: var(--green); font: 500 48px/1 var(--mono); }
.empty-state h3, .empty-state h1 { margin: 18px 0 8px; font-size: 25px; }
.empty-state p { margin: 0 0 22px; color: var(--muted); }

.site-footer { display: flex; align-items: center; justify-content: space-between; gap: 28px; min-height: 110px; border-top: 1px solid var(--line); color: var(--dim); font: 10px/1.4 var(--mono); text-transform: uppercase; }
.footer-brand { font-size: 13px; }

/* Detail page */
.header-search { justify-self: center; width: min(380px, 38vw); }
.header-search input { width: 100%; height: 38px; padding: 0 14px; color: var(--text); border: 1px solid var(--line); outline: 0; background: var(--surface); font-size: 12px; }
.header-search input:focus { border-color: var(--green); }
.detail-shell { padding-block: 46px 90px; }
.detail-loading { min-height: 50vh; padding-top: 120px; color: var(--green); font: 12px/1 var(--mono); text-align: center; text-transform: uppercase; }
.back-link { display: inline-block; margin-bottom: 38px; color: var(--muted); font: 600 11px/1 var(--mono); letter-spacing: .08em; text-decoration: none; text-transform: uppercase; }
.back-link:hover { color: var(--green); }
.record-hero { max-width: 970px; padding-bottom: 48px; }
.record-kicker { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 22px; }
.record-hero h1 { margin: 0; font-size: clamp(36px, 5vw, 64px); line-height: 1.05; letter-spacing: -.045em; }
.record-hero > p { max-width: 880px; margin: 24px 0 0; color: #b3bbb5; font-size: 17px; line-height: 1.75; }
.record-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
.record-actions button, .record-actions a { min-height: 40px; padding: 0 14px; color: var(--muted); border: 1px solid var(--line-strong); background: var(--surface); font: 600 10px/38px var(--mono); letter-spacing: .06em; text-decoration: none; text-transform: uppercase; }
.record-actions button:hover, .record-actions a:hover { color: var(--green); border-color: #536431; }
.quick-facts { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); border: 1px solid var(--line); background: var(--line); gap: 1px; }
.fact { min-width: 0; padding: 18px; background: var(--surface); }
.fact span { display: block; margin-bottom: 8px; color: var(--dim); font: 600 9px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.fact strong { display: block; overflow-wrap: anywhere; font-size: 13px; line-height: 1.45; }
.detail-layout { display: grid; grid-template-columns: 190px minmax(0, 1fr); gap: 70px; margin-top: 70px; }
.detail-nav { position: sticky; top: 26px; align-self: start; display: grid; gap: 4px; }
.detail-nav p { margin: 0 0 12px; color: var(--dim); font: 600 9px/1 var(--mono); letter-spacing: .12em; }
.detail-nav a { padding: 8px 0; color: var(--muted); border-left: 1px solid var(--line); padding-left: 14px; font-size: 12px; text-decoration: none; }
.detail-nav a:hover { color: var(--green); border-color: var(--green); }
.detail-sections { min-width: 0; }
.detail-section { display: grid; grid-template-columns: 48px minmax(0, 1fr); gap: 16px; padding: 10px 0 64px; border-bottom: 1px solid var(--line); scroll-margin-top: 24px; }
.detail-section + .detail-section { padding-top: 62px; }
.section-index { color: var(--green); font: 500 11px/1 var(--mono); }
.detail-section h2 { margin: -7px 0 28px; font-size: 30px; letter-spacing: -.03em; }
.section-note { margin: -15px 0 26px; color: var(--muted); font-size: 12px; }
.field-stack { display: grid; gap: 12px; }
.field-block { padding: 20px; border: 1px solid var(--line); background: var(--surface); }
.field-block h3 { margin: 0 0 10px; color: var(--cyan); font: 600 10px/1.3 var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.field-block p { margin: 0; color: #c0c6c1; font-size: 13px; line-height: 1.75; white-space: pre-wrap; overflow-wrap: anywhere; }
.field-block a { color: var(--green); }
.query-stack { display: grid; gap: 14px; }
.query-block { border: 1px solid var(--line); background: #080b09; }
.query-head { display: flex; align-items: center; justify-content: space-between; min-height: 43px; padding: 0 14px; border-bottom: 1px solid var(--line); background: var(--surface-2); }
.query-head h3 { margin: 0; color: var(--cyan); font: 600 10px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.query-head button { padding: 6px 8px; color: var(--muted); border: 1px solid var(--line-strong); background: transparent; font: 600 9px/1 var(--mono); text-transform: uppercase; }
.query-head button:hover { color: var(--green); }
.query-block pre { margin: 0; padding: 18px; overflow: auto; color: #c8d0c9; font: 11px/1.65 var(--mono); white-space: pre-wrap; overflow-wrap: anywhere; }
.record-pagination { display: flex; justify-content: space-between; gap: 18px; margin: 36px 0 0 254px; }
.record-pagination a { color: var(--muted); font: 600 10px/1 var(--mono); letter-spacing: .08em; text-decoration: none; text-transform: uppercase; }
.record-pagination a:hover { color: var(--green); }
.record-pagination a[aria-disabled="true"] { visibility: hidden; }

/* Field guide */
.guide { padding-block: 88px 100px; }
.guide-hero { max-width: 900px; }
.guide-hero > p:last-child { max-width: 740px; margin: 32px 0 0; color: #b5bcb6; font-size: 17px; line-height: 1.8; }
.guide-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; margin-top: 72px; padding: 1px; background: var(--line); }
.guide-grid article { min-height: 250px; padding: 34px; background: var(--surface); }
.guide-grid article > span { color: var(--green); font: 600 11px/1 var(--mono); }
.guide-grid h2 { margin: 40px 0 12px; font-size: 25px; }
.guide-grid p { max-width: 480px; margin: 0; color: var(--muted); font-size: 14px; line-height: 1.75; }
.guide-callout { display: flex; align-items: center; justify-content: space-between; gap: 30px; margin-top: 48px; padding: 32px; border: 1px solid #405025; background: linear-gradient(90deg, rgba(183, 255, 42, .08), transparent 70%); }
.guide-callout .eyebrow { margin-bottom: 8px; }
.guide-callout h2 { margin: 0; font-size: 24px; }
.guide-callout h2 kbd { margin-inline: 3px; color: var(--green); }
.guide-notes { max-width: 760px; margin-top: 70px; }
.guide-notes h2 { font-size: 28px; }
.guide-notes p { color: var(--muted); line-height: 1.8; }

@media (max-width: 1040px) {
  .hero { grid-template-columns: 1fr; }
  .signal-panel { display: grid; grid-template-columns: auto 1fr; column-gap: 34px; }
  .signal-head, .signal-trace, .signal-metrics, .tactic-scan { grid-column: 1 / -1; }
  .signal-number { margin-top: 30px; }
  .signal-panel > p { align-self: end; margin: 0 0 5px; }
  .card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .filter-panel { grid-template-columns: repeat(3, 1fr); }
  .quick-facts { grid-template-columns: repeat(3, 1fr); }
  .detail-layout { grid-template-columns: 150px minmax(0, 1fr); gap: 40px; }
  .record-pagination { margin-left: 206px; }
}

@media (max-width: 720px) {
  .shell { width: min(calc(100% - 28px), var(--shell)); }
  .site-header { grid-template-columns: 1fr auto; min-height: 64px; padding-inline: 14px; }
  .site-header nav { gap: 16px; }
  .site-header nav a { padding-block: 23px 20px; font-size: 10px; }
  .status-pill, .header-search { display: none; }
  .hero { gap: 46px; padding-block: 60px 54px; }
  .hero h1, .guide-hero h1 { font-size: clamp(43px, 14vw, 68px); }
  .hero-lede { font-size: 15px; }
  .search-control { height: 58px; }
  .search-control input { padding-right: 18px; font-size: 14px; }
  .search-control kbd { display: none; }
  .signal-panel { display: block; }
  .signal-number { margin-top: 42px; }
  .signal-panel > p { margin: 14px 0 30px; }
  .section-heading { align-items: start; flex-direction: column; gap: 12px; }
  .filter-panel { grid-template-columns: repeat(2, 1fr); }
  .clear-button { min-height: 52px; }
  .card-grid { grid-template-columns: 1fr; }
  .hypothesis-card { min-height: 330px; }
  .site-footer { align-items: flex-start; flex-direction: column; justify-content: center; padding-block: 28px; }
  .footer-brand { display: none; }
  .quick-facts { grid-template-columns: repeat(2, 1fr); }
  .detail-layout { grid-template-columns: 1fr; margin-top: 50px; }
  .detail-nav { display: none; }
  .detail-section { grid-template-columns: 30px minmax(0, 1fr); gap: 8px; padding-bottom: 48px; }
  .detail-section + .detail-section { padding-top: 46px; }
  .record-pagination { margin-left: 38px; }
  .guide { padding-block: 60px 80px; }
  .guide-grid { grid-template-columns: 1fr; }
  .guide-grid article { min-height: 220px; padding: 28px; }
  .guide-callout { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 440px) {
  .brand { font-size: 15px; }
  .brand-mark { display: none; }
  .site-header nav { gap: 12px; }
  .filter-panel { grid-template-columns: 1fr; }
  .card-meta { grid-template-columns: 1fr; }
  .quick-facts { grid-template-columns: 1fr; }
  .record-hero h1 { font-size: 36px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}