:root {
  --bg: #080a0c;
  --panel: #0d1013;
  --panel-2: #111519;
  --line: #242a2f;
  --line-soft: #171c20;
  --text: #edf0ec;
  --muted: #7c8589;
  --accent: #c7f73b;
  --critical: #ff4d5f;
  --high: #ff8f3d;
  --medium: #e7c84f;
  --low: #5fb5ff;
  --mono: "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
  --sans: Inter, "Segoe UI Variable", "Segoe UI", Arial, sans-serif;
}

[data-theme="light"] {
  --bg: #eef0eb;
  --panel: #f8f9f5;
  --panel-2: #e8ebe4;
  --line: #cbd0c7;
  --line-soft: #dde1da;
  --text: #151918;
  --muted: #69716e;
  --accent: #5d7c00;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; color: var(--text); background: var(--bg); font-family: var(--sans); transition: background .2s, color .2s; }
button, input, select { font: inherit; }
button, select { color: inherit; }
a { color: inherit; }

.noise { position: fixed; inset: 0; z-index: -1; opacity: .035; pointer-events: none; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.6'/%3E%3C/svg%3E"); }
.skip-link { position: fixed; left: 1rem; top: -100px; z-index: 10; padding: .75rem 1rem; background: var(--accent); color: #080a0c; }
.skip-link:focus { top: 1rem; }

.topbar { height: 72px; padding: 0 clamp(20px, 4vw, 64px); border-bottom: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; background: color-mix(in srgb, var(--bg) 92%, transparent); backdrop-filter: blur(16px); position: sticky; top: 0; z-index: 5; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.brand-mark { width: 26px; height: 26px; position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: 4px; transform: rotate(45deg); }
.brand-mark span { border: 2px solid var(--accent); }
.brand-mark span:first-child, .brand-mark span:last-child { background: var(--accent); }
.brand-name { margin-left: 5px; font-size: 16px; font-weight: 800; letter-spacing: .08em; }
.brand-name span { color: var(--accent); }
.brand-tag { font: 10px var(--mono); letter-spacing: .13em; color: var(--muted); border-left: 1px solid var(--line); padding-left: 14px; }
.system-state { display: flex; gap: 10px; align-items: center; font: 10px var(--mono); letter-spacing: .12em; color: var(--muted); margin-left: auto; margin-right: 18px; }
.clock { border-left: 1px solid var(--line); padding-left: 10px; color: var(--text); }
.pulse { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 14%, transparent); animation: pulse 2s infinite; }
@keyframes pulse { 50% { box-shadow: 0 0 0 8px transparent; } }
.icon-button { width: 38px; height: 38px; display: grid; place-items: center; border: 1px solid var(--line); background: transparent; cursor: pointer; }
.icon-button:hover { border-color: var(--accent); }
.icon-button svg { width: 18px; fill: none; stroke: currentColor; stroke-width: 1.7; }

main { width: min(1520px, 100%); margin: 0 auto; padding: 0 clamp(20px, 4vw, 64px) 70px; }
.hero { min-height: 315px; display: grid; grid-template-columns: 1fr 330px; align-items: center; border-bottom: 1px solid var(--line); overflow: hidden; }
.eyebrow { margin: 0 0 18px; font: 10px var(--mono); letter-spacing: .16em; color: var(--muted); }
.eyebrow span { color: var(--accent); }
h1 { margin: 0; max-width: 650px; font-size: clamp(44px, 5vw, 70px); line-height: .94; letter-spacing: -.055em; font-weight: 700; }
h1 em { font-style: normal; color: transparent; -webkit-text-stroke: 1px var(--muted); }
.lede { max-width: 620px; margin: 20px 0 0; color: var(--muted); font-size: 14px; line-height: 1.65; }
.radar { justify-self: end; width: 265px; aspect-ratio: 1; border: 1px solid var(--line); border-radius: 50%; position: relative; background: repeating-radial-gradient(circle, transparent 0 34px, var(--line-soft) 35px 36px), linear-gradient(90deg, transparent 49.8%, var(--line-soft) 50%, transparent 50.2%), linear-gradient(0deg, transparent 49.8%, var(--line-soft) 50%, transparent 50.2%); opacity: .8; }
.radar::after { content: ""; position: absolute; inset: 32%; border: 1px dashed var(--line); border-radius: 50%; }
.radar-sweep { position: absolute; inset: 50% 0 0 50%; border-left: 1px solid var(--accent); background: conic-gradient(from 270deg, color-mix(in srgb, var(--accent) 20%, transparent), transparent 25%); transform-origin: 0 0; animation: sweep 7s linear infinite; }
@keyframes sweep { to { transform: rotate(360deg); } }
.radar-dot { position: absolute; width: 5px; height: 5px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 12px var(--accent); }
.dot-1 { top: 29%; left: 61%; }.dot-2 { top: 64%; left: 38%; }.dot-3 { top: 47%; left: 78%; }
.radar > span { position: absolute; bottom: 12%; font: 9px var(--mono); color: var(--muted); }
.radar > span:first-of-type { left: 26%; }.radar > span:last-of-type { right: 24%; }

.metrics { display: grid; grid-template-columns: repeat(4, 1fr); border-bottom: 1px solid var(--line); }
.metrics article { min-height: 90px; padding: 18px 20px; border-right: 1px solid var(--line); display: flex; align-items: center; gap: 16px; position: relative; }
.metrics article:first-child { padding-left: 0; }
.metrics article:last-child { border-right: 0; }
.metric-index { font: 9px var(--mono); color: var(--muted); align-self: flex-start; }
.metrics strong { display: block; font: 500 26px var(--mono); letter-spacing: -.05em; }
.metrics article div span { font: 10px var(--mono); color: var(--muted); text-transform: uppercase; letter-spacing: .08em; }
.trend { position: absolute; right: 20px; top: 20px; font: 8px var(--mono); color: var(--muted); padding: 3px 5px; border: 1px solid var(--line); }
.trend.up { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 40%, var(--line)); }
.trend.danger { color: var(--critical); border-color: color-mix(in srgb, var(--critical) 40%, var(--line)); }

.workspace { display: grid; grid-template-columns: 245px minmax(0, 1fr); gap: 42px; padding-top: 42px; }
.filters { position: sticky; top: 114px; height: max-content; }
.filter-heading, .pipeline-head { display: flex; justify-content: space-between; align-items: center; font: 10px var(--mono); letter-spacing: .12em; }
.filter-heading { padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.filter-heading button { border: 0; background: none; color: var(--accent); font: 9px var(--mono); cursor: pointer; }
fieldset { margin: 25px 0 0; padding: 0 0 25px; border: 0; border-bottom: 1px solid var(--line); }
legend { margin-bottom: 13px; font: 9px var(--mono); letter-spacing: .14em; color: var(--muted); }
fieldset label { min-height: 34px; display: flex; align-items: center; gap: 10px; color: #9ba3a5; font-size: 12px; cursor: pointer; }
fieldset label:hover { color: var(--text); }
fieldset input { position: absolute; opacity: 0; pointer-events: none; }
.check { width: 9px; height: 9px; border: 1px solid var(--muted); }
input:checked + .check { background: currentColor; border-color: currentColor; box-shadow: inset 0 0 0 2px var(--panel); }
.check.critical { color: var(--critical); }.check.high { color: var(--high); }.check.medium { color: var(--medium); }.check.low { color: var(--low); }
fieldset label b { margin-left: auto; font: 9px var(--mono); color: var(--muted); }
.source-dot { width: 8px; height: 8px; border-radius: 50%; border: 1px solid var(--muted); }
input:checked + .source-dot { background: var(--accent); border-color: var(--accent); }
.pipeline { margin-top: 26px; padding: 14px; border: 1px solid var(--line); background: var(--panel); }
.pipeline-head span:last-child { color: var(--accent); }
.pipeline-track { height: 2px; background: var(--line); margin: 14px 0 10px; overflow: hidden; }
.pipeline-track i { display: block; width: 20%; height: 100%; background: var(--accent); transition: width .6s; }
.pipeline p { margin: 0; font: 9px/1.5 var(--mono); color: var(--muted); }

.toolbar { display: flex; gap: 12px; margin-bottom: 22px; }
.search { height: 46px; flex: 1; display: flex; align-items: center; gap: 12px; border: 1px solid var(--line); background: var(--panel); padding: 0 14px; }
.search:focus-within { border-color: color-mix(in srgb, var(--accent) 55%, var(--line)); }
.search svg { width: 17px; stroke: var(--muted); fill: none; stroke-width: 1.5; }
.search input { flex: 1; min-width: 0; border: 0; outline: 0; background: transparent; color: var(--text); font-size: 12px; }
.search kbd { font: 9px var(--mono); color: var(--muted); border: 1px solid var(--line); padding: 3px 6px; }
.view-toggle { display: flex; border: 1px solid var(--line); }
.view-toggle button { width: 45px; border: 0; border-right: 1px solid var(--line); background: var(--panel); display: flex; flex-direction: column; justify-content: center; gap: 4px; padding: 12px; cursor: pointer; }
.view-toggle button:last-child { border-right: 0; }
.view-toggle button.active { background: var(--panel-2); }
.view-toggle span { display: block; height: 2px; background: var(--muted); }
.view-toggle .active span { background: var(--accent); }
.feed-head { display: flex; align-items: center; justify-content: space-between; height: 50px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.feed-head > div { display: flex; align-items: center; gap: 10px; }
.feed-head h2 { font: 500 11px var(--mono); letter-spacing: .12em; margin: 0; }
.feed-head #resultCount { color: var(--muted); font: 9px var(--mono); border-left: 1px solid var(--line); padding-left: 10px; }
.feed-head select { border: 0; outline: 0; background: transparent; font: 9px var(--mono); letter-spacing: .08em; cursor: pointer; }

.feed { border-left: 1px solid var(--line); border-right: 1px solid var(--line); }
.signal-card { min-height: 225px; border-bottom: 1px solid var(--line); background: var(--panel); display: grid; grid-template-columns: 3px 1fr; position: relative; transition: transform .18s, background .18s; animation: reveal .4s both; }
@keyframes reveal { from { opacity: 0; transform: translateY(10px); } }
.signal-card:hover { background: var(--panel-2); transform: translateX(3px); }
.severity-rail { background: var(--low); }
.signal-card[data-severity="critical"] .severity-rail { background: var(--critical); box-shadow: 0 0 18px color-mix(in srgb, var(--critical) 30%, transparent); }
.signal-card[data-severity="high"] .severity-rail { background: var(--high); }
.signal-card[data-severity="medium"] .severity-rail { background: var(--medium); }
.card-body { padding: 24px 28px 20px; }
.card-meta { display: flex; align-items: center; gap: 8px; font: 9px var(--mono); text-transform: uppercase; letter-spacing: .08em; }
.severity-badge { padding: 4px 7px; color: var(--low); border: 1px solid currentColor; }
[data-severity="critical"] .severity-badge { color: var(--critical); background: color-mix(in srgb, var(--critical) 8%, transparent); }
[data-severity="high"] .severity-badge { color: var(--high); }
[data-severity="medium"] .severity-badge { color: var(--medium); }
.source-badge { color: var(--text); text-decoration: none; }
.source-badge:hover, .category:hover { color: var(--accent); }
.category { color: var(--muted); border-left: 1px solid var(--line); padding-left: 8px; }
.card-meta time { margin-left: auto; color: var(--muted); }
.signal-card h3 { max-width: 900px; margin: 17px 0 10px; font-size: clamp(17px, 2vw, 23px); line-height: 1.35; letter-spacing: -.025em; }
.signal-card h3 a { text-decoration: none; }
.signal-card h3 a:hover { color: var(--accent); }
.summary { max-width: 950px; color: var(--muted); margin: 0; font-size: 12px; line-height: 1.7; }
.card-footer { min-height: 31px; margin-top: 18px; display: flex; justify-content: space-between; align-items: flex-end; }
.cves { display: flex; gap: 7px; flex-wrap: wrap; }
.cves span { padding: 4px 7px; background: var(--panel-2); border: 1px solid var(--line); color: var(--muted); font: 9px var(--mono); }
.open-label { opacity: 0; color: var(--accent); font: 9px var(--mono); letter-spacing: .08em; transition: opacity .18s; }
.signal-card:hover .open-label { opacity: 1; }
.feed.compact .signal-card { min-height: 105px; }
.feed.compact .card-body { padding: 17px 22px; }
.feed.compact .summary, .feed.compact .card-footer { display: none; }
.feed.compact .signal-card h3 { margin-bottom: 0; font-size: 16px; }
.skeleton { height: 190px; padding: 30px; border-bottom: 1px solid var(--line); background: var(--panel); }
.skeleton i { display: block; height: 11px; margin-bottom: 18px; width: 28%; background: linear-gradient(90deg, var(--panel-2), var(--line), var(--panel-2)); background-size: 300% 100%; animation: shimmer 1.5s infinite; }
.skeleton i:nth-child(2) { width: 76%; height: 20px; }.skeleton i:nth-child(3) { width: 54%; }
@keyframes shimmer { to { background-position: -300% 0; } }
.empty { padding: 80px 30px; text-align: center; background: var(--panel); border-bottom: 1px solid var(--line); }
.empty strong { display: block; font: 18px var(--mono); }.empty span { display: block; margin-top: 10px; color: var(--muted); font-size: 12px; }
.load-more { width: 100%; height: 50px; border: 1px solid var(--line); border-top: 0; background: transparent; color: var(--muted); font: 9px var(--mono); letter-spacing: .12em; cursor: pointer; }
.load-more:hover { color: var(--accent); background: var(--panel); }
.load-more span { margin-left: 7px; }

footer { min-height: 68px; border-top: 1px solid var(--line); padding: 0 clamp(20px, 4vw, 64px); display: flex; justify-content: space-between; align-items: center; gap: 20px; color: var(--muted); font: 9px var(--mono); letter-spacing: .08em; }
footer a { color: var(--text); text-underline-offset: 3px; text-decoration-color: var(--line); transition: color .18s, text-decoration-color .18s; }
footer a:hover { color: var(--accent); text-decoration-color: var(--accent); }
footer span:last-child { color: var(--accent); }
.not-found { min-height: 100vh; display: flex; flex-direction: column; justify-content: center; align-items: flex-start; }
.not-found h1 { font-size: clamp(48px, 9vw, 110px); }
.back-home { margin-top: 28px; color: var(--accent); font: 11px var(--mono); letter-spacing: .1em; text-underline-offset: 5px; }
.source-health { width: 6px; height: 6px; margin-left: 2px; border-radius: 50%; background: var(--accent); }
.source-health.unavailable { background: var(--critical); box-shadow: 0 0 7px color-mix(in srgb, var(--critical) 45%, transparent); }

@media (max-width: 1000px) {
  .hero { grid-template-columns: 1fr 220px; }.radar { width: 205px; }
  .metrics { grid-template-columns: repeat(2, 1fr); }.metrics article:nth-child(2) { border-right: 0; }.metrics article:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .workspace { grid-template-columns: 200px minmax(0, 1fr); gap: 24px; }
}
@media (max-width: 760px) {
  .brand-tag, .system-state > span:not(.pulse), .radar, .filters { display: none; }
  .topbar { height: 60px; }.system-state { margin-left: auto; margin-right: 12px; }
  .hero { min-height: 360px; display: block; padding-top: 75px; }
  h1 { font-size: clamp(46px, 15vw, 70px); }
  .metrics { grid-template-columns: 1fr 1fr; }.metrics article { min-height: 95px; padding: 18px 12px; gap: 10px; }.metrics article:first-child { padding-left: 12px; }.metrics strong { font-size: 24px; }.trend { display: none; }
  .workspace { display: block; padding-top: 24px; }.toolbar { position: sticky; top: 70px; z-index: 4; }.search kbd { display: none; }
  .card-body { padding: 20px 18px 17px; }.category { display: none; }.card-meta time { font-size: 8px; }.signal-card h3 { font-size: 18px; }.open-label { display: none; }
  footer { padding-block: 20px; flex-direction: column; align-items: flex-start; } footer span:nth-child(2) { display: none; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; } }