/* MalChain — colors from cover art: ink black, signal red, paper white */
:root{
  --red:#DD0F13; --red-2:#b00c10; --red-soft:#fdecec;
  --ink:#0d0d0d; --ink-2:#1a1a1a; --paper:#ffffff; --soft:#f7f7f8;
  --muted:#6b6b70; --line:#e9e9ec; --line-2:#dcdce0;
  --code-bg:#0d0d0f; --code-line:#1e1e24; --code-fg:#e7e7ea;
  --sb:284px; --maxw:900px;
  --mono:ui-monospace,"SF Mono","JetBrains Mono",Menlo,Consolas,monospace;
  --sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--sans);color:var(--ink);background:var(--paper);
  line-height:1.65;-webkit-font-smoothing:antialiased;font-size:16px}
a{color:var(--red);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{line-height:1.25;font-weight:750;letter-spacing:-.02em}
h1{font-size:2rem;margin:.2em 0 .5em}
h2{font-size:1.4rem;margin:1.8em 0 .6em}
h3{font-size:1.08rem;margin:1.4em 0 .5em}
p{margin:.7em 0}
code{font-family:var(--mono);font-size:.9em}
hr{border:0;border-top:1px solid var(--line);margin:2.2em 0}

/* ---------- top bar ---------- */
.topbar{position:sticky;top:0;z-index:40;height:60px;display:flex;align-items:center;gap:14px;
  padding:0 20px;background:#fff;border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.03em;font-size:1.05rem;color:var(--ink)}
.brand .mark{width:26px;height:26px;display:grid;place-items:center;background:var(--ink);color:#fff;border-radius:7px}
.brand .mark svg{width:16px;height:16px}
.brand b{color:var(--red)}
.topbar .spacer{flex:1}
.topbar .tlink{color:var(--muted);font-weight:600;font-size:.9rem;display:inline-flex;gap:6px;align-items:center;line-height:1}
.topbar .tlink:hover{color:var(--ink);text-decoration:none}
.hamb{display:none;background:none;border:0;cursor:pointer;color:var(--ink);padding:6px}

/* ---------- layout ---------- */
.shell{display:flex;min-height:calc(100vh - 60px)}
.sidebar{width:var(--sb);flex:0 0 var(--sb);border-right:1px solid var(--line);
  background:var(--soft);position:sticky;top:60px;height:calc(100vh - 60px);overflow-y:auto;padding:18px 12px 40px}
.content{flex:1;min-width:0;display:flex;justify-content:center;padding:34px 28px 90px}
.page{width:100%;max-width:var(--maxw)}

/* ---------- sidebar nav ---------- */
.nav-sec{margin-bottom:6px}
.nav-sec>.nav-top{display:flex;align-items:center;gap:9px;width:100%;background:none;border:0;cursor:pointer;
  font:inherit;color:var(--ink);font-weight:700;font-size:.86rem;padding:8px 10px;border-radius:8px;text-align:left}
.nav-sec>.nav-top:hover{background:#efeff1}
.nav-sec>.nav-top .chev{margin-left:auto;transition:transform .18s;color:var(--muted)}
.nav-sec.open>.nav-top .chev{transform:rotate(90deg)}
.nav-sec>.nav-top .pico{width:16px;height:16px;color:var(--red)}
.nav-list{list-style:none;margin:2px 0 8px;padding:0 0 0 8px;display:none}
.nav-sec.open>.nav-list{display:block}
.nav-list a{display:block;color:var(--muted);font-size:.82rem;font-weight:550;padding:5px 10px 5px 26px;
  border-left:2px solid var(--line-2);border-radius:0 6px 6px 0;position:relative}
.nav-list a:hover{color:var(--ink);background:#efeff1;text-decoration:none}
.nav-list a.active{color:var(--red);border-left-color:var(--red);background:var(--red-soft);font-weight:700}
.nav-list a .tid{font-family:var(--mono);font-size:.72rem;color:#aeaeb4;margin-right:2px}
.nav-list a.active .tid{color:var(--red)}
.nav-single{display:flex;align-items:center;gap:9px;font-weight:700;font-size:.86rem;color:var(--ink);padding:8px 10px;border-radius:8px;line-height:1.3}
.nav-single:hover{background:#efeff1;text-decoration:none}
.nav-single.active{color:var(--red);background:var(--red-soft)}
.nav-single .ic{color:var(--red)}
.nav-h{font-size:.68rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:#a3a3a9;padding:14px 12px 6px}

/* ---------- breadcrumb ---------- */
.crumb{display:flex;gap:8px;align-items:center;font-size:.8rem;color:var(--muted);margin-bottom:14px;flex-wrap:wrap}
.crumb a{color:var(--muted);font-weight:600}
.crumb a:hover{color:var(--red)}
.crumb .sep{color:#c9c9cf}

/* ---------- badges / pills ---------- */
.pill{display:inline-flex;align-items:center;gap:6px;font-family:var(--mono);font-size:.72rem;font-weight:600;
  padding:3px 9px;border-radius:999px;background:var(--ink);color:#fff;letter-spacing:.02em}
.pill.red{background:var(--red)}
.pill.ghost{background:#fff;color:var(--ink);border:1px solid var(--line-2)}
.tag{display:inline-block;font-size:.72rem;font-weight:700;padding:2px 8px;border-radius:6px;background:var(--red-soft);color:var(--red-2);margin-left:8px;vertical-align:middle}

/* ---------- hero (home) ---------- */
.hero{position:relative;border-radius:18px;overflow:hidden;background:var(--ink);color:#fff;margin-bottom:30px}
.hero .art{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.32;filter:grayscale(.15)}
.hero .art-fade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(13,13,13,.96) 30%,rgba(13,13,13,.55) 100%)}
.hero .inner{position:relative;padding:52px 40px}
.hero h1{font-size:2.5rem;margin:0 0 .3em;color:#fff}
.hero h1 b{color:var(--red)}
.hero p{color:#cfcfd4;max-width:46ch;font-size:1.02rem}
.hero .cta{margin-top:22px;display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:.9rem;padding:11px 18px;border-radius:10px;cursor:pointer;border:1px solid transparent}
.btn.primary{background:var(--red);color:#fff}
.btn.primary:hover{background:var(--red-2);text-decoration:none}
.btn.ghost{background:transparent;color:#fff;border-color:#3a3a40}
.btn.ghost:hover{border-color:#fff;text-decoration:none}
.btn svg{width:16px;height:16px}

/* ---------- stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:26px 0 8px}
.stat{border:1px solid var(--line);border-radius:14px;padding:18px;background:var(--paper)}
.stat .n{font-size:1.9rem;font-weight:800;letter-spacing:-.03em}
.stat .n b{color:var(--red)}
.stat .l{font-size:.78rem;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.05em}

/* ---------- cards grid ---------- */
.grid{display:grid;gap:16px}
.grid.two{grid-template-columns:repeat(2,1fr)}
.grid.three{grid-template-columns:repeat(3,1fr)}
.card{display:block;border:1px solid var(--line);border-radius:14px;padding:18px 18px 16px;background:var(--paper);
  transition:border-color .15s,box-shadow .15s,transform .15s;color:var(--ink)}
.card:hover{border-color:var(--red);box-shadow:0 8px 24px -14px rgba(221,15,19,.5);text-decoration:none;transform:translateY(-2px)}
.card .ico{width:34px;height:34px;border-radius:9px;display:grid;place-items:center;background:var(--red-soft);color:var(--red);margin-bottom:12px}
.card .ico svg{width:18px;height:18px}
.card h3{margin:.1em 0 .3em;font-size:1.05rem}
.card p{margin:0;color:var(--muted);font-size:.87rem}
.card .meta{margin-top:12px;font-family:var(--mono);font-size:.72rem;color:#a3a3a9;display:flex;gap:10px;align-items:center}
.card .meta .k{color:var(--red);font-weight:700}
.tcard{display:flex;gap:14px;align-items:flex-start;border:1px solid var(--line);border-radius:12px;padding:15px 16px;background:var(--paper);color:var(--ink);transition:border-color .15s,transform .15s}
.tcard:hover{border-color:var(--red);text-decoration:none;transform:translateX(3px)}
.tcard .tnum{font-family:var(--mono);font-size:.72rem;font-weight:700;color:#fff;background:var(--ink);border-radius:6px;padding:3px 7px;flex:0 0 auto;margin-top:2px}
.tcard h3{margin:0 0 2px;font-size:.98rem}
.tcard p{margin:0;font-size:.83rem;color:var(--muted)}
.tcard .chip{margin-left:auto;align-self:center;font-family:var(--mono);font-size:.66rem;color:var(--muted)}

/* ---------- section blocks (technique pages) ---------- */
.sec{border:1px solid var(--line);border-radius:14px;padding:4px 22px 8px;margin:16px 0;background:var(--paper)}
.sec>.sec-h{display:flex;align-items:center;gap:10px;margin:18px 0 6px}
.sec>.sec-h .si{width:30px;height:30px;border-radius:8px;display:grid;place-items:center;background:var(--soft);color:var(--ink)}
.sec>.sec-h .si svg{width:16px;height:16px}
.sec>.sec-h h2{margin:0;font-size:1.12rem}
.sec ul{margin:.4em 0 1em;padding-left:1.25em}
.sec li{margin:.25em 0}
.sec.rule{border-color:var(--line);padding-bottom:18px}
.sec.rule>.sec-h .si{background:var(--red);color:#fff}
.na-note{background:var(--soft);border:1px dashed var(--line-2);border-radius:10px;padding:12px 14px;color:var(--muted);font-size:.9rem}

/* ---------- code + copy ---------- */
.codewrap{position:relative;margin:.6em 0 1.1em;border-radius:12px;overflow:hidden;border:1px solid var(--code-line);background:var(--code-bg)}
.codewrap .code-top{display:flex;align-items:center;gap:8px;padding:9px 12px;background:#141418;border-bottom:1px solid var(--code-line)}
.codewrap .code-top .lang{font-family:var(--mono);font-size:.7rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#8a8a92}
.codewrap .code-top .dot{width:9px;height:9px;border-radius:50%;background:#2a2a30}
.codewrap .code-top .dot.r{background:var(--red)}
.copy-btn{margin-left:auto;display:inline-flex;align-items:center;gap:6px;background:#20202a;color:#c9c9d1;border:1px solid #2c2c36;
  font:inherit;font-size:.74rem;font-weight:650;padding:5px 10px;border-radius:7px;cursor:pointer;transition:.15s}
.copy-btn:hover{background:var(--red);color:#fff;border-color:var(--red)}
.copy-btn.done{background:#137a2e;color:#fff;border-color:#137a2e}
.copy-btn svg{width:13px;height:13px}
.codewrap pre{margin:0;padding:16px 18px;overflow-x:auto}
.codewrap pre code{font-family:var(--mono);font-size:.83rem;line-height:1.6;color:var(--code-fg);white-space:pre}
/* token colors */
.tk-cmt{color:#6a6a76;font-style:italic}
.tk-str{color:#e6a54b}
.tk-num{color:#c98bff}
.tk-kw{color:#ff6b6e;font-weight:600}
.tk-fn{color:#4fb2ff}
.tk-op{color:#9aa0a6}

/* ---------- tables ---------- */
.tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px;margin:1em 0}
table{border-collapse:collapse;width:100%;font-size:.86rem}
th,td{text-align:left;padding:10px 13px;border-bottom:1px solid var(--line)}
th{background:var(--soft);font-weight:700;font-size:.76rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}
tr:last-child td{border-bottom:0}
td code{background:var(--soft);padding:1px 6px;border-radius:5px}
.yes{color:var(--red);font-weight:800}
.no{color:#c9c9cf}

/* ---------- prose ---------- */
.prose h2:first-child{margin-top:.2em}
.prose ul{padding-left:1.25em}
.prose blockquote{margin:1em 0;padding:.6em 1em;border-left:3px solid var(--red);background:var(--red-soft);border-radius:0 8px 8px 0;color:#7a1f21}
.prose blockquote p{margin:.2em 0}

/* ---------- prev/next ---------- */
.pager{display:flex;justify-content:space-between;gap:14px;margin-top:34px}
.pager a{flex:1;border:1px solid var(--line);border-radius:12px;padding:14px 16px;color:var(--ink)}
.pager a:hover{border-color:var(--red);text-decoration:none}
.pager a.next{text-align:right}
.pager .d{font-size:.72rem;color:var(--muted);font-weight:700;text-transform:uppercase;letter-spacing:.06em}
.pager .t{font-weight:700;font-size:.92rem;margin-top:2px}
.pager a.empty{visibility:hidden}

.footer{border-top:1px solid var(--line);color:var(--muted);font-size:.82rem;padding:22px 28px;display:flex;gap:14px;flex-wrap:wrap;justify-content:center;align-items:center}
.footer b{color:var(--red)}

.scrim{display:none}

/* ---------- responsive ---------- */
@media(max-width:1024px){
  .stats{grid-template-columns:repeat(2,1fr)}
  .grid.three{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:760px){
  .hamb{display:inline-flex}
  .sidebar{position:fixed;left:0;top:60px;transform:translateX(-104%);transition:transform .22s;z-index:50;box-shadow:0 20px 60px -20px rgba(0,0,0,.4)}
  body.nav-open .sidebar{transform:translateX(0)}
  body.nav-open .scrim{display:block;position:fixed;inset:60px 0 0 0;background:rgba(0,0,0,.35);z-index:45}
  .content{padding:22px 16px 70px}
  .grid.two,.grid.three{grid-template-columns:1fr}
  .hero .inner{padding:36px 24px}
  .hero h1{font-size:2rem}
  .topbar .tlink span{display:none}
}

/* ================= uniform icons ================= */
.ic{width:16px;height:16px;flex:0 0 auto;vertical-align:middle}
/* inline/dense contexts */
.pill .ic,.tag .ic,.copy-btn .ic,.crumb .ic,.rel .ic,.rtid .ic{width:13px;height:13px}
/* feature tiles */
.card .ico .ic,.sec>.sec-h .si .ic,.lk-phase .sec-h .si .ic{width:18px;height:18px}
.brand .mark .ic{width:15px;height:15px}
.hamb .ic{width:20px;height:20px}
/* buttons + nav are all 16 (uniform) */
.btn .ic,.hero .btn .ic,.callout>.ic,.nav-single .ic,.nav-sec>.nav-top .pico,.nav-sec>.nav-top .chev,.topbar .tlink .ic{width:16px;height:16px}
.callout>.ic:first-child{width:20px;height:20px}

/* ================= backbone diagram ================= */
.bb-wrap{border:1px solid var(--line);border-radius:14px;background:var(--soft);padding:10px 14px;margin:20px 0 6px;overflow-x:auto}
svg.backbone{width:100%;min-width:760px;height:auto;display:block}
.bb-cap{fill:#a3a3a9;font-size:11px;font-weight:700;letter-spacing:.06em;font-family:var(--mono)}
.bb-node rect{fill:#fff;stroke:var(--ink);stroke-width:1.5}
.bb-node .bb-t{fill:var(--ink);font-size:15px;font-weight:800;font-family:var(--sans)}
.bb-node .bb-s{fill:var(--red);font-size:11.5px;font-weight:700;font-family:var(--mono);letter-spacing:.04em}
.bb-arrow{stroke:var(--red);stroke-width:2}

/* ================= chain linking page ================= */
.callout{display:flex;align-items:center;gap:14px;border:1px solid var(--line);border-left:3px solid var(--red);
  border-radius:0 12px 12px 0;padding:14px 18px;margin:18px 0 26px;background:var(--paper);color:var(--ink)}
.callout:hover{border-color:var(--red);text-decoration:none}
.callout>.ic:first-child{color:var(--red);width:20px;height:20px}
.callout div{display:flex;flex-direction:column;flex:1}
.callout b{font-size:.95rem}
.callout span{color:var(--muted);font-size:.83rem}
.callout>.ic:last-child{color:var(--muted)}
.lk-phase{margin:26px 0}
.lk-focus{color:var(--muted);font-size:.9rem;margin:2px 0 12px}
.lk-list{display:flex;flex-direction:column;gap:10px}
.lk-row{border:1px solid var(--line);border-radius:12px;padding:12px 14px;background:var(--paper)}
.lk-head{display:flex;align-items:center;gap:10px;color:var(--ink)}
.lk-head:hover{text-decoration:none;color:var(--red)}
.lk-head b{font-size:.96rem}
.lk-arrow{display:flex;align-items:center;gap:8px;margin:8px 0 10px;color:var(--red)}
.lk-arrow code{font-family:var(--mono);font-size:.8rem;color:#7a1f21;background:var(--red-soft);padding:3px 9px;border-radius:6px}
.lk-rels{display:flex;flex-wrap:wrap;gap:7px}
.rel a,.rel .rmuted{display:inline-flex;align-items:center;gap:5px;font-size:.78rem;border:1px solid var(--line-2);border-radius:7px;padding:3px 9px;color:var(--ink);background:var(--soft)}
.rel a:hover{border-color:var(--red);color:var(--red);text-decoration:none}
.rel .rtid{font-family:var(--mono);font-size:.68rem;color:var(--red);font-weight:700}
.rel .rmuted{color:var(--muted);border-style:dashed}

/* ================= interactive map ================= */
.lk-tools{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:6px 0 4px;flex-wrap:wrap}
.lk-hint{display:inline-flex;align-items:center;gap:8px;color:var(--muted);font-size:.85rem}
.lk-hint .ic{color:var(--red)}
.lk-map-wrap{border:1px solid var(--line);border-radius:14px;background:var(--soft);padding:6px;overflow-x:auto;margin-top:8px}
#lkMap svg{display:block;max-width:none;height:auto;font-family:var(--sans)}
.lk-col-h{fill:var(--ink);font-size:13px;font-weight:800}
.lk-col-sub{fill:#a3a3a9;font-size:10px;font-weight:700;font-family:var(--mono);letter-spacing:.05em}
.lk-edge{fill:none;stroke:#d3d3d9;stroke-width:1.2;opacity:.55;transition:stroke .12s,opacity .12s}
.lk-node rect{fill:#fff;stroke:var(--line-2);stroke-width:1.3;transition:stroke .12s,fill .12s}
.lk-node .nid{fill:var(--red);font-family:var(--mono);font-size:10px;font-weight:700}
.lk-node .ntt{fill:var(--ink);font-size:10.5px;font-weight:600}
.lk-node{cursor:pointer}
.lk-node:hover rect{stroke:var(--red)}
/* focus state */
#lkMap svg.focus .lk-edge{opacity:.08}
#lkMap svg.focus .lk-node rect{opacity:.35}
#lkMap svg.focus .lk-node.on rect,#lkMap svg.focus .lk-node.src rect{opacity:1}
#lkMap svg.focus .lk-node.on rect{stroke:var(--red);fill:var(--red-soft)}
#lkMap svg.focus .lk-node.src rect{stroke:var(--red);stroke-width:2;fill:var(--ink)}
#lkMap svg.focus .lk-node.src .nid{fill:#fff}
#lkMap svg.focus .lk-node.src .ntt{fill:#fff}
#lkMap svg.focus .lk-edge.on{stroke:var(--red);opacity:.95;stroke-width:1.8}
@media(max-width:760px){
  .lk-arrow{align-items:flex-start}
  .bb-wrap,.lk-map-wrap{padding:8px}
}

/* ================= linkage map v2 ================= */
.lk-edge{stroke:#d0d0d6;stroke-width:1.1;opacity:.16}
#lkMap svg.focus .lk-edge{opacity:.05}
#lkMap svg.focus .lk-edge.on{stroke:var(--red);opacity:.95;stroke-width:2}
#lkMap svg.focus .lk-edge.in{stroke:var(--red);opacity:.42;stroke-width:1.4;stroke-dasharray:3 3}
.lk-node .nid{font-size:11.5px;font-weight:700}
.lk-node .ntt{font-size:12px}
.lk-node rect{fill:#fff;stroke:var(--line-2);stroke-width:1.3}
.lk-node:focus{outline:none}
.lk-node:focus rect{stroke:var(--red)}
.lk-tools .btn.ghost{color:var(--ink);border-color:var(--line-2);background:#fff}
.lk-tools .btn.ghost:hover{border-color:var(--red);color:var(--red)}
/* detail panel */
.lk-panel{margin-top:16px;border:1px solid var(--line);border-radius:14px;padding:16px 18px;background:var(--paper);min-height:92px}
.lk-panel.empty{display:flex;align-items:center;justify-content:center;color:var(--muted);background:var(--soft);border-style:dashed}
.lk-hint2{font-size:.9rem}
.lk-p-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.lk-p-head b{font-size:1.02rem}
.lk-p-open{margin-left:auto;font-size:.82rem;font-weight:700}
.lk-p-sub{font-size:.7rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:#a3a3a9;margin:14px 0 8px}
.lk-path{display:flex;align-items:center;flex-wrap:wrap;gap:8px}
.lk-step{font-family:var(--mono);font-size:.8rem;padding:5px 11px;border-radius:8px;background:var(--soft);border:1px solid var(--line-2);color:var(--ink)}
.lk-step.ph{background:var(--ink);color:#fff;border-color:var(--ink);font-weight:700;letter-spacing:.03em}
.lk-step.ph:first-child{background:var(--red);border-color:var(--red)}
.lk-sep{color:var(--red);font-weight:800}
.lk-en-h{font-size:.7rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:#a3a3a9;margin:16px 0 8px}
.lk-en{display:flex;flex-wrap:wrap;gap:8px}
.lk-en-i{display:inline-flex;align-items:center;gap:6px;font-size:.8rem;border:1px solid var(--line-2);border-radius:8px;padding:5px 10px;background:var(--soft);color:var(--ink)}
.lk-en-i:hover{border-color:var(--red);color:var(--red);text-decoration:none}
.lk-en-i.muted{color:var(--muted);border-style:dashed}
.lk-en-i .rtid{font-family:var(--mono);font-size:.68rem;color:var(--red);font-weight:700}

/* ================= detection library rules ================= */
.det-jump{display:flex;flex-wrap:wrap;gap:8px;margin:6px 0 20px}
.det-chip{display:inline-flex;align-items:center;gap:7px;font-size:.82rem;font-weight:600;border:1px solid var(--line-2);border-radius:999px;padding:6px 13px;color:var(--ink);background:var(--paper)}
.det-chip:hover{border-color:var(--red);color:var(--red);text-decoration:none}
.det-chip .ic{color:var(--red)}
.det-phase{margin:26px 0}
.det-rule{border:1px solid var(--line);border-radius:14px;padding:6px 18px 16px;margin:14px 0;background:var(--paper);scroll-margin-top:76px}
.det-rule-h{display:flex;align-items:center;gap:10px;margin:14px 0 4px;flex-wrap:wrap}
.det-rule-h b{font-size:1rem}
.det-open{margin-left:auto;font-size:.8rem;font-weight:700;color:var(--muted)}
.det-open:hover{color:var(--red)}
.det-rule .codewrap{margin-top:10px}

/* ================= detection library: phase tabs ================= */
.det-tabs{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0 18px}
.det-tab{display:inline-flex;align-items:center;gap:7px;font:inherit;font-size:.82rem;font-weight:600;border:1px solid var(--line-2);border-radius:999px;padding:7px 14px;color:var(--ink);background:var(--paper);cursor:pointer;transition:.12s}
.det-tab .ic{color:var(--red)}
.det-tab:hover{border-color:var(--red);color:var(--red)}
.det-tab.active{background:var(--ink);color:#fff;border-color:var(--ink)}
.det-tab.active .ic{color:#fff}
.det-rules.js .det-phase{display:none}
.det-rules.js .det-phase.active{display:block}
.det-rule{scroll-margin-top:80px}
.det-rule.flash{animation:flashrule 1.3s ease}
@keyframes flashrule{0%,100%{box-shadow:0 0 0 0 rgba(221,15,19,0)}22%{box-shadow:0 0 0 3px rgba(221,15,19,.55)}}

/* ================= small reset button + phase icon box ================= */
.lk-reset{display:inline-flex;align-items:center;gap:6px;font:inherit;font-size:.76rem;font-weight:600;color:var(--muted);background:var(--paper);border:1px solid var(--line-2);border-radius:8px;padding:5px 11px;cursor:pointer;transition:.12s}
.lk-reset:hover{color:var(--red);border-color:var(--red)}
.lk-reset .ic{width:14px;height:14px;color:var(--red)}
.phase-ico{width:52px;height:52px;border-radius:12px;display:flex;align-items:center;justify-content:center;background:var(--red-soft);color:var(--red);flex:0 0 auto}
.phase-ico .ic{width:22px;height:22px;display:block}

/* wordmark: single flex item so Mal+Chain have no gap */
.brand .wm{display:inline}
.brand .wm b{margin:0}

/* ================= mappings ================= */
.sec.map .map-row{display:flex;gap:12px;align-items:flex-start;padding:10px 0;border-top:1px solid var(--line)}
.sec.map .map-row:first-of-type{border-top:0}
.map-k{flex:0 0 150px;display:inline-flex;align-items:center;gap:7px;font-size:.8rem;font-weight:700;color:var(--muted)}
.map-k .ic{color:var(--red)}
.map-vals{display:flex;flex-wrap:wrap;gap:7px;min-width:0}
.map-chip{display:inline-flex;align-items:center;gap:6px;font-size:.78rem;border:1px solid var(--line-2);border-radius:8px;padding:4px 10px;background:var(--soft);color:var(--ink)}
.map-chip:hover{border-color:var(--red);text-decoration:none}
.map-chip.att b{font-family:var(--mono);font-size:.72rem;color:var(--red)}
.map-chip.cve{font-family:var(--mono);font-size:.74rem;color:var(--red-2);background:var(--red-soft);border-color:transparent}
.map-chip.mwb .ic{width:12px;height:12px;color:var(--muted)}
.map-chip.mwb code{font-family:var(--mono);font-size:.72rem}
.map-na{color:var(--muted);font-size:.85rem;font-style:italic}
.map-hint{flex-basis:100%;color:var(--muted);font-size:.78rem;margin-top:4px}
.map-hint code{background:var(--soft);padding:1px 5px;border-radius:5px}
td a.mono,.mono{font-family:var(--mono);font-size:.76rem}

/* ================= IOC lookup ================= */
.ioc-box{border:1px solid var(--line);border-radius:14px;padding:16px 18px;background:var(--paper);margin:16px 0 8px}
.ioc-inrow{display:flex;gap:10px}
.ioc-inrow input{flex:1;min-width:0;font:inherit;font-size:.92rem;font-family:var(--mono);padding:11px 14px;border:1px solid var(--line-2);border-radius:10px;color:var(--ink);background:var(--soft)}
.ioc-inrow input:focus{outline:none;border-color:var(--red);background:#fff}
.ioc-opts{margin-top:12px}
.ioc-opts>summary{cursor:pointer;font-size:.82rem;font-weight:600;color:var(--muted)}
.ioc-opts>summary:hover{color:var(--red)}
.ioc-opts-body{padding:12px 0 2px;display:flex;flex-direction:column;gap:10px}
.ioc-lbl{display:flex;flex-direction:column;gap:6px;font-size:.82rem;font-weight:600;color:var(--muted)}
.ioc-lbl input,.ioc-lbl textarea{font:inherit;font-size:.85rem;font-family:var(--mono);padding:9px 12px;border:1px solid var(--line-2);border-radius:9px;background:var(--soft);color:var(--ink);width:100%}
.ioc-lbl input:focus,.ioc-lbl textarea:focus{outline:none;border-color:var(--red);background:#fff}
.ioc-note{color:var(--muted);font-size:.78rem;margin:0}
.ioc-note code,.ioc-lbl code{background:var(--soft);padding:1px 5px;border-radius:5px;font-size:.9em}
.ioc-ghost{align-self:flex-start;color:var(--ink);border-color:var(--line-2);background:#fff}
.ioc-ghost:hover{border-color:var(--red);color:var(--red)}
.ioc-msg{margin-top:12px;font-size:.86rem;color:var(--muted)}
.ioc-msg.warn{color:var(--red-2);background:var(--red-soft);border-radius:8px;padding:9px 12px}
.ioc-msg code{background:#fff;padding:1px 5px;border-radius:5px}
.ioc-sub{color:var(--muted);font-size:.9rem;max-width:74ch}
/* header */
.ioc-head{border:1px solid var(--line);border-radius:14px;padding:14px 18px;margin:14px 0;background:var(--paper)}
.ioc-head-top{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:8px}
.ioc-open{margin-left:auto;font-size:.82rem;font-weight:700}
.ioc-meta{width:100%;border-collapse:collapse;font-size:.86rem}
.ioc-meta td{padding:6px 0;border-top:1px solid var(--line);vertical-align:top}
.ioc-meta tr:first-child td{border-top:0}
.ioc-k{color:var(--muted);font-weight:700;width:110px;white-space:nowrap}
.ioc-meta code{font-family:var(--mono);font-size:.82rem;word-break:break-all}
.ioc-tag{display:inline-block;font-family:var(--mono);font-size:.7rem;background:var(--soft);border:1px solid var(--line-2);border-radius:6px;padding:2px 7px;margin:0 5px 5px 0;color:var(--ink)}
/* kill chain */
.ioc-chain{display:grid;grid-template-columns:repeat(6,1fr);gap:8px;margin:12px 0 8px}
.ioc-ph{border:1px solid var(--line);border-radius:12px;padding:12px 10px;text-align:center;background:var(--soft);opacity:.6}
.ioc-ph.on{opacity:1;border-color:var(--red);background:var(--red-soft)}
.ioc-ph-n{font-weight:800;font-size:.86rem;letter-spacing:-.01em}
.ioc-ph.on .ioc-ph-n{color:var(--red-2)}
.ioc-ph-c{font-family:var(--mono);font-size:.7rem;color:var(--muted);margin-top:3px}
.ioc-phh{margin:18px 0 6px;font-size:1.05rem}
/* technique block */
.ioc-tech{border:1px solid var(--line);border-radius:12px;padding:12px 15px;margin:10px 0;background:var(--paper)}
.ioc-tech-h{display:flex;align-items:center;gap:9px;flex-wrap:wrap}
.ioc-tech-h b{font-size:.96rem}
.ioc-why{font-size:.74rem;color:var(--muted);margin-left:auto}
.ioc-why b,.ioc-why code{color:var(--red-2)}
.ioc-att{display:flex;flex-wrap:wrap;gap:6px;margin:8px 0}
.ioc-det{font-size:.85rem;color:var(--ink);margin:6px 0}
.ioc-block{margin:8px 0}
.ioc-block-h{display:block;font-size:.7rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:#a3a3a9;margin:8px 0 4px}
.ioc-mit ul{margin:.2em 0;padding-left:1.2em}
.ioc-mit li{font-size:.84rem;margin:.2em 0}
.ioc-yaralist{display:flex;flex-direction:column;gap:8px;margin-top:8px}
.ioc-yara{border:1px solid var(--line);border-radius:10px;padding:10px 13px;background:var(--soft)}
.ioc-yara b{font-family:var(--mono);font-size:.84rem}
.ioc-ya{font-size:.76rem;color:var(--muted);margin-left:8px}
.ioc-yara p{margin:.3em 0 0;font-size:.82rem;color:var(--muted)}
@media(max-width:760px){.ioc-chain{grid-template-columns:repeat(3,1fr)}.ioc-why{margin-left:0;flex-basis:100%}}

/* IOC cached samples */
.ioc-cached{margin-top:12px;display:flex;flex-wrap:wrap;gap:7px;align-items:center}
.ioc-cached-h{font-size:.72rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:#a3a3a9;margin-right:4px}
.ioc-chip{display:inline-flex;align-items:center;gap:6px;font:inherit;font-size:.76rem;border:1px solid var(--line-2);border-radius:8px;padding:4px 10px;background:var(--soft);color:var(--ink);cursor:pointer}
.ioc-chip:hover{border-color:var(--red);color:var(--red)}
.ioc-chip code{font-family:var(--mono);font-size:.72rem}
.ioc-msg code{display:inline-block}

/* IOC: suggested marker, empty state */
.ioc-sugg{font-size:.62rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);border:1px solid var(--line-2);border-radius:5px;padding:1px 6px;margin-left:8px}
.ioc-empty{border:1px dashed var(--line-2);border-radius:12px;padding:14px 16px;background:var(--soft);color:var(--muted);font-size:.9rem;margin:8px 0}
#iocResult{margin-top:6px}

/* live MalwareBazaar samples */
.mwb-live{flex-basis:100%;display:flex;flex-wrap:wrap;gap:7px;align-items:center;margin-top:4px}
.mwb-live-h{font-size:.7rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:#a3a3a9;margin-right:2px}
.mwb-loading{color:var(--muted);font-weight:600;letter-spacing:0;text-transform:none;font-size:.8rem}
.mwb-s{display:inline-flex;align-items:center;gap:6px;font-size:.76rem;border:1px solid var(--line-2);border-radius:8px;padding:3px 9px;background:var(--paper);color:var(--ink)}
.mwb-s:hover{border-color:var(--red);color:var(--red);text-decoration:none}
.mwb-s code{font-family:var(--mono);font-size:.72rem;color:var(--red)}
.mwb-s span{color:var(--muted)}

/* IOC accuracy framing */
.ioc-acc{border:1px solid var(--line);border-left:3px solid var(--red);border-radius:0 12px 12px 0;background:var(--red-soft);color:#7a1f21;padding:12px 15px;margin:14px 0;font-size:.86rem;line-height:1.55}
.ioc-acc b{color:var(--red-2)}
.ioc-wrap{white-space:normal;word-break:break-all}
.ioc-tagpill{font-size:.6rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);border:1px solid var(--line-2);border-radius:5px;padding:2px 7px;vertical-align:middle;margin-left:8px}
.ioc-verdicts{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}
.ioc-vd{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line-2);border-radius:8px;padding:5px 10px;background:var(--paper);font-size:.8rem}
.ioc-vd-v{font-weight:700;color:var(--ink)}
.ioc-vd-d{font-family:var(--mono);font-size:.74rem;color:var(--red-2)}
.ioc-tlp{font-family:var(--mono);font-size:.66rem;font-weight:700;color:var(--muted);border:1px solid var(--line-2);border-radius:5px;padding:1px 6px;margin-left:8px}
.ioc-yara a{color:var(--ink)}
.ioc-yara a:hover b{color:var(--red)}