:root {
  color-scheme: dark;
  --bg: #080a0d;
  --bg-elevated: #0f1217;
  --panel: #12161c;
  --panel-hover: #171c24;
  --border: #252b34;
  --border-bright: #343c48;
  --text: #f5f7fa;
  --muted: #a2aab7;
  --faint: #68717f;
  --accent: #d8ff5f;
  --c-incident: #ff665e;
  --c-departure: #f6b94f;
  --c-lab: #a987ff;
  --c-policy: #65a8ff;
  --c-eval: #4bd3c4;
  --c-research: #68d890;
  --radius: 16px;
  --radius-lg: 26px;
  --shadow: 0 20px 70px rgba(0, 0, 0, .36);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 110px; }
body {
  margin: 0;
  min-width: 320px;
  background: radial-gradient(900px 520px at 72% -5%, rgba(74, 95, 113, .2), transparent 70%), radial-gradient(700px 500px at 8% 18%, rgba(216, 255, 95, .035), transparent 75%), var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body::before {
  position: fixed; inset: 0; z-index: -1; content: ""; opacity: .24; 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='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.08'/%3E%3C/svg%3E");
}
button, input, select { font: inherit; }
button, select { cursor: pointer; }
a { color: inherit; text-decoration: none; }
::selection { color: #0a0c08; background: var(--accent); }

.reading-progress { position: fixed; inset: 0 0 auto; z-index: 100; height: 2px; background: var(--accent); box-shadow: 0 0 16px rgba(216, 255, 95, .55); transform: scaleX(0); transform-origin: left; }
.wrap { width: min(1120px, calc(100% - 48px)); margin: 0 auto; padding: 0 0 80px; }

.section-intro { padding: 36px 0 26px; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.intro-copy { min-width: 0; }
.intro-heading { display: flex; align-items: center; gap: 18px; font-size: clamp(30px, 3.4vw, 42px); }
.intro-text { min-width: 0; }
.agent-mark { position: relative; flex: 0 0 104px; width: 104px; height: 104px; padding: 0; color: var(--accent); border: 0; border-radius: 50%; background: transparent; appearance: none; cursor: grab; touch-action: none; -webkit-tap-highlight-color: transparent; }
.agent-mark[hidden] { display: none; }
.agent-mark.is-dragging { cursor: grabbing; }
.agent-mark:focus-visible { outline: 1px solid var(--accent); outline-offset: 3px; }
.agent-mark canvas, .swarm-fallback { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.swarm-fallback circle { fill: currentColor; }
.agent-mark.is-ready .swarm-fallback { visibility: hidden; }
.section-intro h1 { margin: 0; font-size: inherit; line-height: 1.08; letter-spacing: -.045em; font-weight: 620; text-wrap: balance; }
.section-intro h1 em { color: var(--accent); font-family: Georgia, "Times New Roman", serif; font-weight: 400; }
.intro-text > p { margin: 10px 0 0; color: var(--muted); font-size: 12px; line-height: 1.6; }
.intro-source { display: inline-flex; align-items: center; gap: 5px; color: #cbd1da; white-space: nowrap; }
.method-trigger { position: relative; width: 18px; height: 18px; padding: 0; display: inline-flex; align-items: center; color: var(--muted); border: 0; border-radius: 50%; background: transparent; vertical-align: middle; }
.method-trigger::after { position: absolute; inset: -6px; content: ""; }
.method-trigger svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.25; }
.method-trigger .info-dot { fill: currentColor; stroke: none; }
.method-trigger:hover, .method-trigger[aria-expanded="true"] { color: var(--accent); }
.method-trigger:focus-visible, .method-popover a:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
.method-popover { position: fixed; inset: auto; width: min(340px, calc(100vw - 32px)); max-height: calc(100dvh - 32px); margin: 0; padding: 20px; overflow-y: auto; color: var(--text); border: 1px solid var(--border-bright); border-radius: 14px; background: #14191f; box-shadow: 0 18px 60px rgba(0,0,0,.5); }
.method-popover h2 { margin: 0; font-size: 15px; font-weight: 650; line-height: 1.3; letter-spacing: -.02em; }
.method-popover p { margin: 9px 0 17px; color: var(--muted); font-size: 12px; line-height: 1.6; }
.method-popover ol { margin: 0 0 17px; padding: 0; list-style: none; counter-reset: method; }
.method-popover li { position: relative; padding-left: 30px; counter-increment: method; }
.method-popover li + li { margin-top: 13px; }
.method-popover li::before { position: absolute; top: 1px; left: 0; width: 19px; height: 19px; display: grid; place-items: center; color: var(--accent); border: 1px solid #404b2b; border-radius: 50%; font: 10px/1 ui-monospace, SFMono-Regular, Menlo, monospace; content: counter(method); }
.method-popover li strong { display: block; margin-bottom: 3px; font-size: 12px; line-height: 1.4; font-weight: 600; }
.method-popover li span { display: block; color: var(--muted); font-size: 11px; line-height: 1.55; }
.method-popover a { padding-top: 12px; display: flex; align-items: center; justify-content: space-between; color: var(--accent); border-top: 1px solid var(--border); font-size: 11px; }
.method-popover a:hover { text-decoration: underline; text-underline-offset: 3px; }
.intro-meta { flex: 0 0 auto; padding-left: 24px; display: grid; gap: 8px; border-left: 1px solid var(--border-bright); }
.intro-total { display: flex; align-items: baseline; gap: 8px; white-space: nowrap; }
.intro-total strong { color: var(--text); font-size: 28px; font-weight: 650; font-variant-numeric: tabular-nums; line-height: 1; letter-spacing: -.04em; }
.intro-total span { color: var(--muted); font-size: 11px; }
.intro-period { color: var(--muted); font: 500 11px/1.4 ui-monospace, SFMono-Regular, Menlo, monospace; white-space: nowrap; }

.controls { position: relative; z-index: 2; padding: 14px; border: 1px solid rgba(66, 74, 87, .82); border-radius: var(--radius); background: rgba(13, 16, 21, .9); box-shadow: 0 16px 55px rgba(0, 0, 0, .38); }
.search-row { display: block; }
.search-wrap { min-width: 0; height: 48px; padding: 0 13px; display: flex; align-items: center; gap: 11px; border: 1px solid var(--border); border-radius: 11px; background: var(--panel); transition: border-color .2s ease, box-shadow .2s ease; }
.search-wrap:focus-within { border-color: #68717d; box-shadow: 0 0 0 3px rgba(255,255,255,.035); }
.search-wrap svg { width: 17px; fill: none; stroke: var(--faint); stroke-width: 1.7; }
.search { width: 100%; min-width: 0; padding: 0; color: var(--text); border: 0; outline: 0; background: transparent; font-size: 14px; }
.search::placeholder { color: #6e7682; }
.search::-webkit-search-cancel-button { display: none; }
.filter-row { margin-top: 12px; padding: 0 2px; display: flex; align-items: center; gap: 13px; }
.filter-label { flex: 0 0 62px; color: var(--faint); font-size: 10px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.filters { display: flex; gap: 6px; flex-wrap: wrap; }
.chip { min-height: 31px; padding: 5px 10px; display: inline-flex; align-items: center; gap: 7px; color: #929ba8; border: 1px solid transparent; border-radius: 7px; background: transparent; font-size: 11px; font-weight: 650; transition: color .18s ease, border-color .18s ease, background .18s ease; }
.chip:hover { color: var(--text); background: rgba(255,255,255,.04); }
.chip.active { color: var(--text); border-color: var(--border-bright); background: rgba(255,255,255,.07); }
.chip .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--k); box-shadow: 0 0 9px color-mix(in srgb, var(--k) 60%, transparent); }
.chip-count { color: var(--faint); font-size: 9px; font-variant-numeric: tabular-nums; white-space: nowrap; flex: 0 0 auto; }
.chip[data-tag="INCIDENT"] { --k: var(--c-incident); }
.chip[data-tag="DEPARTURE"] { --k: var(--c-departure); }
.chip[data-tag="LAB"] { --k: var(--c-lab); }
.chip[data-tag="POLICY"] { --k: var(--c-policy); }
.chip[data-tag="EVAL"] { --k: var(--c-eval); }
.chip[data-tag="RESEARCH"] { --k: var(--c-research); }
.chip:focus-visible, .reset-button:focus-visible, .back-to-top:focus-visible { outline: 1px solid var(--border-bright); outline-offset: 2px; }
.reset-button { margin-left: auto; padding: 6px 10px; color: var(--faint); border: 0; background: transparent; font-size: 10px; text-transform: uppercase; letter-spacing: .08em; }
.reset-button:hover { color: var(--text); }
.reset-button[hidden] { display: none; }
.timeline { position: relative; padding: 18px 0 0 94px; }
.timeline::before { position: absolute; inset: 0 auto 0 36px; width: 1px; content: ""; background: linear-gradient(var(--border), var(--border) 94%, transparent); }
.month-group { position: relative; }
.month { position: sticky; top: 14px; z-index: 4; width: fit-content; margin: 42px 0 18px -58px; color: #8d96a3; font: 700 10px/1 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .12em; text-transform: uppercase; transform: translateX(-50%); }
.month-group:first-child .month { margin-top: 8px; }
.month span { display: inline-block; padding: 7px 11px; border: 1px solid var(--border-bright); border-radius: 999px; background: var(--bg); box-shadow: 0 0 0 7px var(--bg); }
.item { position: relative; padding: 0 0 13px; --k: var(--muted); }
.item::before { position: absolute; z-index: 2; width: 15px; height: 15px; top: 23px; left: -65px; content: ""; border: 3px solid var(--bg); border-radius: 50%; background: var(--k); box-shadow: 0 0 0 1px color-mix(in srgb, var(--k) 60%, transparent), 0 0 15px color-mix(in srgb, var(--k) 20%, transparent); }
.item::after { position: absolute; left: -58px; top: 30px; width: 58px; height: 1px; content: ""; background: linear-gradient(90deg, var(--border), transparent); }
.item[data-tag="INCIDENT"] { --k: var(--c-incident); }
.item[data-tag="DEPARTURE"] { --k: var(--c-departure); }
.item[data-tag="LAB"] { --k: var(--c-lab); }
.item[data-tag="POLICY"] { --k: var(--c-policy); }
.item[data-tag="EVAL"] { --k: var(--c-eval); }
.item[data-tag="RESEARCH"] { --k: var(--c-research); }
.card { position: relative; padding: 22px 24px 19px; overflow: hidden; border: 1px solid var(--border); border-radius: 3px var(--radius) var(--radius) 3px; background: linear-gradient(150deg, rgba(255,255,255,.018), transparent 35%), var(--bg-elevated); transition: transform .22s ease, border-color .22s ease, background .22s ease, box-shadow .22s ease; }
.card:hover { transform: translateY(-2px); border-color: color-mix(in srgb, var(--k) 35%, var(--border-bright)); background-color: var(--panel-hover); box-shadow: 0 18px 45px rgba(0,0,0,.2); }
.card-accent { position: absolute; inset: 0 auto 0 0; width: 2px; background: var(--k); opacity: .75; }
.card-top { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 11px; }
.date { margin-right: 3px; color: #cad0d8; font: 600 11px/1.4 ui-monospace, SFMono-Regular, Menlo, monospace; }
.pill { padding: 3px 7px; border-radius: 5px; color: var(--k); border: 1px solid color-mix(in srgb, var(--k) 30%, transparent); background: color-mix(in srgb, var(--k) 8%, transparent); font-size: 9px; font-weight: 760; letter-spacing: .06em; text-transform: uppercase; }
.card h3 { max-width: 850px; margin: 0 0 9px; font-size: clamp(17px, 2vw, 20px); font-weight: 640; line-height: 1.32; letter-spacing: -.025em; }
.card p { max-width: 83ch; margin: 0 0 17px; color: #9da6b3; font-size: 13.5px; line-height: 1.7; }
.src { padding-top: 13px; display: flex; align-items: center; gap: 13px; border-top: 1px solid rgba(255,255,255,.055); font-size: 10px; }
.src > span { color: var(--faint); text-transform: uppercase; letter-spacing: .08em; }
.src a { display: inline-flex; align-items: center; gap: 7px; color: #cbd1da; font-weight: 650; }
.src a:hover { color: var(--accent); }
.src a span { color: var(--accent); }
.empty { margin: 28px 0; padding: 30px; border: 1px dashed var(--border-bright); border-radius: var(--radius); color: var(--muted); text-align: center; }

.foot { margin-top: 50px; padding: 30px 0 0; display: grid; grid-template-columns: 1.5fr 1fr; gap: 50px; border-top: 1px solid var(--border); color: var(--faint); font-size: 11px; }
.foot p { margin: 0; }
.foot b { color: var(--muted); }
.back-to-top { position: fixed; right: 22px; bottom: 22px; z-index: 25; width: 42px; height: 42px; color: #101308; border: 0; border-radius: 50%; background: var(--accent); box-shadow: 0 10px 35px rgba(0,0,0,.38); opacity: 0; transform: translateY(12px); pointer-events: none; transition: opacity .2s ease, transform .2s ease; }
.back-to-top.visible { opacity: 1; transform: translateY(0); pointer-events: auto; }

@media (max-width: 900px) {
  .filter-label { display: none; }
}
@media (max-width: 680px) {
  .wrap { width: min(100% - 32px, 1120px); }
  .section-intro { padding: 28px 0 22px; align-items: flex-start; flex-direction: column; gap: 16px; }
  .intro-heading { display: grid; grid-template-columns: 64px minmax(0, 1fr); column-gap: 14px; row-gap: 0; font-size: clamp(28px, 5.8vw, 38px); }
  .intro-heading.is-text-only { display: block; }
  .intro-text { display: contents; }
  .agent-mark { grid-column: 1; grid-row: 1; width: 64px; height: 64px; }
  .section-intro h1 { grid-column: 2; max-width: 520px; text-wrap: initial; }
  .section-intro h1 em { white-space: nowrap; }
  .intro-text > p { grid-column: 1 / -1; max-width: 52ch; }
  .intro-meta { width: 100%; padding: 0; display: flex; align-items: center; justify-content: space-between; gap: 10px; border: 0; }
  .intro-total { gap: 6px; }
  .intro-total strong { font-size: 20px; }
  .intro-total span, .intro-period { font-size: 10px; }
  .controls { margin-inline: -4px; padding: 10px; }
  .filter-row { align-items: flex-start; flex-direction: column; gap: 8px; }
  .filters { flex-wrap: nowrap; width: 100%; overflow-x: auto; padding-bottom: 4px; scrollbar-width: none; }
  .filters::-webkit-scrollbar { display: none; }
  .chip { flex: 0 0 auto; }
  .reset-button { margin-left: 0; }
  .timeline { padding-left: 38px; }
  .timeline::before { left: 7px; }
  .month { top: 8px; margin-left: 0; transform: none; }
  .item::before { left: -38px; }
  .item::after { left: -31px; width: 31px; }
  .card { padding: 18px 17px 16px; }
  .card h3 { font-size: 17px; }
  .card p { font-size: 13px; line-height: 1.65; }
  .src { align-items: flex-start; flex-direction: column; gap: 5px; }
  .foot { grid-template-columns: 1fr; gap: 20px; }
  .back-to-top { right: 16px; bottom: 16px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}