/* ===== Attention Lab ===== */
:root{
  /* slate ground + MIT red, shared with the RAG Simulator family */
  --bg:#0f172a; --bg-2:#0b1220; --card:#1e293b; --card-2:#243244;
  --line:#334155; --line-2:#43536b;
  --text:#e2e8f0; --text-2:#94a3b8; --text-3:#64748b;
  --mit-red:#a31f34; --red:#e0506a; --red-dim:rgba(224,80,106,.16);
  --good:#34d399; --warn:#fbbf24; --accent:#60a5fa;
  --mit-grey:#8a8b8c;
  --radius:14px; --radius-s:9px;
  --serif:Georgia,"Iowan Old Style","Times New Roman",serif;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",system-ui,Roboto,Helvetica,Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;
  --shadow:0 1px 2px rgba(2,6,23,.5),0 10px 30px rgba(2,6,23,.35);
}
html[data-theme="light"]{
  --bg:#f8fafc; --bg-2:#eef2f7; --card:#ffffff; --card-2:#f1f5f9;
  --line:#e2e8f0; --line-2:#cbd5e1;
  --text:#0f172a; --text-2:#475569; --text-3:#64748b;
  --red:#a31f34; --red-dim:rgba(163,31,52,.10);
  --good:#0f8f63; --warn:#b45309; --accent:#2563eb;
  --shadow:0 1px 2px rgba(15,23,42,.05),0 10px 28px rgba(15,23,42,.07);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{background:var(--bg); color:var(--text); font-family:var(--sans); font-size:15px; line-height:1.6; -webkit-font-smoothing:antialiased}
h1,h2,h3.serif{font-family:var(--serif)}
h1{font-size:clamp(23px,3vw,32px); letter-spacing:-.01em; margin:0 0 8px; text-wrap:balance}
h2{font-size:clamp(18px,2.2vw,22px); margin:30px 0 6px}
h3{font-size:15px; margin:0 0 10px; letter-spacing:-.01em}
h4{font-size:13px; margin:0 0 8px}
p{margin:0 0 10px}
a{color:var(--accent)}
b,strong{color:var(--text)}
@media (prefers-reduced-motion:reduce){*{animation:none!important; transition:none!important}}

/* ===== Topbar ===== */
.topbar{display:flex; align-items:center; justify-content:space-between; gap:16px;
  padding:13px clamp(14px,4vw,36px); border-bottom:1px solid var(--line); background:var(--bg-2);
  position:sticky; top:0; z-index:30}
.brand{display:flex; align-items:center; gap:13px; min-width:0}
.mit-logo{height:25px; width:auto; flex:none}
.mit-grey{fill:var(--mit-grey)} .mit-red{fill:var(--mit-red)}
html[data-theme="light"] .mit-grey{fill:#7b7c7e}
.brand-divider{width:1px; height:25px; background:var(--line-2)}
.brand-text{display:flex; flex-direction:column; min-width:0}
.brand-title{font-family:var(--serif); font-size:16px; letter-spacing:-.01em}
.brand-sub{font-size:11.5px; color:var(--text-3); white-space:nowrap; overflow:hidden; text-overflow:ellipsis}
.topbar-actions{display:flex; align-items:center; gap:9px; flex:none}
.switch{display:flex; border:1px solid var(--line-2); border-radius:999px; overflow:hidden; background:var(--card)}
.switch-btn{border:0; background:transparent; color:var(--text-2); font:inherit; font-size:12px;
  font-weight:600; padding:6px 13px; cursor:pointer; letter-spacing:.05em}
.switch-btn[aria-pressed="true"]{background:var(--mit-red); color:#fff}
.icon-btn{border:1px solid var(--line-2); background:var(--card); color:var(--text-2);
  width:32px; height:30px; border-radius:999px; cursor:pointer; font-size:14px; line-height:1}
.icon-btn:hover{color:var(--text)}
:focus-visible{outline:2px solid var(--accent); outline-offset:2px}

/* ===== Phase band + step rail ===== */
.journey{position:sticky; top:56px; z-index:29; background:var(--bg-2); border-bottom:1px solid var(--line);
  padding:11px clamp(14px,4vw,36px) 9px}
.phases{display:flex; gap:0; max-width:1180px; margin:0 auto 9px; align-items:stretch}
.ph{flex:1; text-align:center; font-size:10px; font-weight:700; letter-spacing:.11em; text-transform:uppercase;
  color:var(--text-3); padding:0 6px 7px; border-bottom:2px solid var(--line); transition:color .2s,border-color .2s}
.ph.done{color:var(--text-2); border-bottom-color:var(--line-2)}
.ph.active{color:var(--red); border-bottom-color:var(--red)}
.rail{display:flex; flex-wrap:wrap; gap:3px; max-width:1180px; margin:0 auto; align-items:center}
.pip{display:flex; align-items:center; gap:5px; border:1px solid transparent; background:transparent;
  color:var(--text-3); font:inherit; font-size:12px; padding:4px 8px; border-radius:999px; cursor:pointer;
  white-space:nowrap; transition:all .18s ease}
.pip .pi{font-size:12px; line-height:1}
.pip:hover{color:var(--text-2); background:var(--card)}
.pip.done{color:var(--text-2)}
.pip.done .pi{filter:none}
.pip.pending{opacity:.5}
.pip.active{background:var(--mit-red); border-color:var(--mit-red); color:#fff; opacity:1; font-weight:600}
.pip-arrow{color:var(--line-2); font-size:11px; user-select:none}
@media(max-width:760px){
  .pip .pl{display:none} .pip{padding:5px 7px} .pip.active .pl{display:inline}
  .ph{font-size:9px; letter-spacing:.06em}
}

/* ===== Layout ===== */
main{max-width:1180px; margin:0 auto; padding:26px clamp(14px,4vw,36px) 120px}
.step{display:none}
.step.active{display:block; animation:rise .26s ease}
@keyframes rise{from{opacity:0; transform:translateY(6px)} to{opacity:1; transform:none}}
.eyebrow{font-family:var(--mono); font-size:11px; letter-spacing:.12em; text-transform:uppercase;
  color:var(--red); margin:0 0 6px}
.lede{color:var(--text-2); max-width:70ch; margin-bottom:18px; font-size:15.5px}
.grid-2{display:grid; grid-template-columns:1fr 1fr; gap:14px; margin-top:14px}
.grid-3{display:grid; grid-template-columns:repeat(3,1fr); gap:14px; margin-top:14px}
@media(max-width:880px){.grid-2,.grid-3{grid-template-columns:1fr}}
.grid-2>*,.grid-3>*,.steps>*{min-width:0}
.card{min-width:0; background:var(--card); border:1px solid var(--line); border-radius:var(--radius);
  padding:16px 18px; box-shadow:var(--shadow); margin-top:14px}
.card.accent{border-left:3px solid var(--mit-red)}
.card.warn{border-left:3px solid var(--warn)}
.card.good{border-left:3px solid var(--good)}
.card.plain{background:var(--bg-2); box-shadow:none}
.footnote{font-size:12px; color:var(--text-3); margin:8px 0 0}
.hint{font-size:12.5px; color:var(--text-3); margin:2px 0 12px}
.mini-h{font-size:11px; text-transform:uppercase; letter-spacing:.09em; color:var(--text-3); font-weight:700; margin:0 0 8px}

/* ===== Controls ===== */
.btn{border:1px solid var(--line-2); background:var(--card-2); color:var(--text); font:inherit;
  font-size:13px; padding:7px 15px; border-radius:999px; cursor:pointer}
.btn:hover:not(:disabled){border-color:var(--text-3)}
.btn:disabled{opacity:.35; cursor:default}
.btn.primary{background:var(--mit-red); border-color:var(--mit-red); color:#fff; font-weight:600}
.btn.primary:hover:not(:disabled){background:#b8253d}
.btn.ghost{background:transparent; color:var(--text-2)}
.controls{display:flex; align-items:center; gap:8px; flex-wrap:wrap}
.toolbar{display:flex; gap:20px; flex-wrap:wrap; align-items:flex-end; margin-bottom:12px}
.field{display:flex; flex-direction:column; gap:6px}
.field>label{font-size:10.5px; text-transform:uppercase; letter-spacing:.09em; color:var(--text-3); font-weight:700}
.select{background:var(--card-2); color:var(--text); border:1px solid var(--line-2);
  border-radius:var(--radius-s); padding:7px 10px; font:inherit; font-size:13px; min-width:250px}
.check{display:flex; align-items:center; gap:7px; font-size:13px; color:var(--text-2); cursor:pointer;
  text-transform:none; letter-spacing:0; font-weight:400}
input[type=range]{accent-color:var(--mit-red); width:170px}
.slider-wrap{display:flex; align-items:center; gap:8px; font-size:12.5px; color:var(--text-3)}
.chipset{display:flex; gap:6px; flex-wrap:wrap}
.chip{border:1px solid var(--line-2); background:var(--card-2); color:var(--text-2); font:inherit;
  font-size:12.5px; padding:5px 11px; border-radius:999px; cursor:pointer}
.chip[aria-pressed="true"]{background:var(--mit-red); border-color:var(--mit-red); color:#fff}

/* ===== Sticky step navigation ===== */
.navbar{position:fixed; left:0; right:0; bottom:0; z-index:31; background:var(--bg-2);
  border-top:1px solid var(--line); padding:10px clamp(14px,4vw,36px)}
.navbar-in{max-width:1180px; margin:0 auto; display:flex; align-items:center; justify-content:space-between; gap:12px}
.counter{font-family:var(--mono); font-size:11.5px; color:var(--text-3); text-align:center; line-height:1.4}
.counter b{display:block; font-family:var(--sans); font-size:12.5px; color:var(--text-2); font-weight:600}
.navbar .btn{min-width:118px; text-align:center}
@media(max-width:600px){.navbar .btn{min-width:0; padding:7px 12px} .counter{font-size:10.5px}}

/* ===== Token cards ===== */
.tokrow{display:flex; gap:7px; flex-wrap:wrap; align-items:flex-start}
.tokcard{background:var(--card-2); border:1px solid var(--line-2); border-radius:9px; padding:7px 10px;
  text-align:center; min-width:56px; transition:all .3s ease}
.tokcard .w{font-size:13.5px; font-weight:600}
.tokcard .id{font-family:var(--mono); font-size:10px; color:var(--text-3)}
.tokcard .vec{font-family:var(--mono); font-size:9.5px; color:var(--accent); margin-top:3px; letter-spacing:-.03em}
.tokcard .pos{font-family:var(--mono); font-size:9.5px; color:var(--warn)}
.tokcard.ctx{border-color:var(--red); box-shadow:0 0 0 2px var(--red-dim)}
.tokcard.gen{border-color:var(--good)}
.tokcard.dim{opacity:.4}
.probs{margin-top:10px; display:flex; flex-direction:column; gap:5px; max-width:460px}
.probrow{display:grid; grid-template-columns:96px 1fr 56px; align-items:center; gap:9px; font-size:12.5px}
.probrow .pb{height:9px; background:var(--line); border-radius:5px; overflow:hidden}
.probrow .pb i{display:block; height:100%; background:var(--accent); transition:width .3s ease}
.probrow.top .pb i{background:var(--good)}
.probrow.cut{opacity:.32}
.probrow.cut .pb i{background:var(--text-3)}
.probrow code{font-family:var(--mono); font-size:11.5px; color:var(--text-3); text-align:right}
.outbox{margin-top:14px; font-family:var(--serif); font-size:21px; color:var(--good); line-height:1.4}
.note-line{font-size:12px; color:var(--text-3); margin-top:10px; font-family:var(--mono)}
.stagebox{background:var(--bg-2); border:1px solid var(--line); border-radius:var(--radius-s); padding:15px}
.arrowdown{color:var(--text-3); text-align:center; font-size:16px; margin:8px 0; line-height:1}

/* ===== Race lanes ===== */
.lanes{display:grid; grid-template-columns:1fr; gap:12px; margin-top:6px}
.lane{background:var(--bg-2); border:1px solid var(--line); border-radius:var(--radius-s); padding:14px; position:relative}
.lane-head{display:flex; align-items:center; gap:10px; margin-bottom:12px; flex-wrap:wrap}
.lane-tag{font-size:10.5px; font-weight:700; letter-spacing:.09em; text-transform:uppercase; padding:3px 9px; border-radius:999px}
.lane-tag.rnn{background:rgba(251,191,36,.14); color:var(--warn); border:1px solid rgba(251,191,36,.34)}
.lane-tag.tf{background:var(--red-dim); color:var(--red); border:1px solid rgba(224,80,106,.4)}
.lane-title{font-size:13px; color:var(--text-2)}
.lane-tokens{display:flex; gap:6px; flex-wrap:wrap; position:relative; z-index:2}
.rtok{border:1px solid var(--line-2); background:var(--card); color:var(--text-3); border-radius:7px;
  padding:6px 10px; font-size:13px; transition:all .18s ease; position:relative}
.rtok.active{background:var(--mit-red); border-color:var(--mit-red); color:#fff; transform:translateY(-2px)}
.rtok.done{color:var(--text); border-color:var(--line-2); background:var(--card-2)}
.rtok.waiting{opacity:.42}
.rtok.focus{box-shadow:0 0 0 2px var(--red)}
.rtok .hs{position:absolute; top:-9px; left:50%; transform:translateX(-50%); font-family:var(--mono);
  font-size:9px; color:var(--warn); white-space:nowrap}
.arcs{position:absolute; inset:0; width:100%; height:100%; pointer-events:none; z-index:1; overflow:visible}
.arcs path{fill:none; stroke:var(--red); stroke-linecap:round; transition:opacity .3s ease}
.lane-foot{display:flex; gap:20px; align-items:center; margin-top:64px; flex-wrap:wrap}
.meter{display:flex; align-items:center; gap:8px; font-size:11.5px; color:var(--text-3)}
.meter-track{width:104px; height:6px; background:var(--line); border-radius:3px; overflow:hidden}
.meter-fill{height:100%; width:0; transition:width .25s ease}
.meter-fill.mem{background:var(--warn)} .meter-fill.gpu{background:var(--good)}
.meter b{font-family:var(--mono); font-size:11px; color:var(--text-2); min-width:34px}
.lane-status{margin-left:auto; font-family:var(--mono); font-size:11.5px; color:var(--text-2)}
.tick{font-family:var(--mono); font-size:12px; color:var(--text-3)}

/* ===== Tables ===== */
.tbl{width:100%; border-collapse:collapse; font-size:13px}
.tbl th{text-align:left; font-size:10.5px; text-transform:uppercase; letter-spacing:.07em;
  color:var(--text-3); font-weight:700; padding:6px 10px; border-bottom:1px solid var(--line-2)}
.tbl td{padding:8px 10px; border-bottom:1px solid var(--line); color:var(--text-2); vertical-align:top}
.tbl td:first-child{color:var(--text); font-weight:600}
.tbl tr:last-child td{border-bottom:0}
.tbl code{font-family:var(--mono); font-size:11.5px; color:var(--accent)}
.tbl-scroll{overflow-x:auto}
.compare{min-width:820px}

/* ===== Attention ===== */
.sentence{display:flex; gap:6px; flex-wrap:wrap; margin:6px 0 18px; align-items:center}
.wtok{border:1px solid var(--line-2); border-radius:9px; padding:7px 11px; cursor:pointer; font:inherit;
  font-size:14px; color:var(--text); background:var(--card-2); transition:transform .12s ease}
.wtok:hover{transform:translateY(-1px)}
.wtok .wv{display:block; font-family:var(--mono); font-size:9.5px; color:var(--text-3); margin-top:2px}
.wtok.query{box-shadow:0 0 0 2px var(--red); border-color:var(--red)}
.wtok.masked{opacity:.3; text-decoration:line-through}
.bars{display:flex; flex-direction:column; gap:5px}
.bar{display:grid; grid-template-columns:104px 1fr 50px; gap:9px; align-items:center; font-size:12.5px}
.bar span{overflow:hidden; text-overflow:ellipsis; white-space:nowrap; color:var(--text-2)}
.bar .track{height:9px; background:var(--line); border-radius:5px; overflow:hidden}
.bar .track i{display:block; height:100%; background:var(--mit-red); transition:width .25s ease}
.bar code{font-family:var(--mono); font-size:11px; color:var(--text-3); text-align:right; font-variant-numeric:tabular-nums}
.bar.self .track i{background:var(--accent)}
.bar.dim{opacity:.35}
.heat-wrap{overflow:auto; max-width:100%}
.heat{display:grid; gap:2px; font-family:var(--mono); font-size:9px}
.heat .hcell{aspect-ratio:1; border-radius:2px; min-width:20px; display:flex; align-items:center;
  justify-content:center; color:#fff; font-size:8.5px; cursor:pointer}
.heat .hlab{color:var(--text-3); display:flex; align-items:center; justify-content:flex-end;
  padding-right:4px; white-space:nowrap; font-size:9.5px}
.heat .hlab.col{justify-content:center; padding:0 0 3px; writing-mode:vertical-rl; transform:rotate(180deg); height:56px}
.heat .hrow-q{box-shadow:0 0 0 1px var(--red)}
.legend{display:flex; align-items:center; gap:8px; margin-top:8px; font-family:var(--mono); font-size:10px; color:var(--text-3)}
.legend-ramp{flex:1; height:7px; border-radius:4px; background:linear-gradient(90deg,rgba(163,31,52,.08),#a31f34)}
.ticks{margin:6px 0 0; padding-left:18px; color:var(--text-2); font-size:13.5px}
.ticks li{margin-bottom:6px}

/* ===== Math ===== */
.msteps{display:grid; grid-template-columns:1fr 1fr; gap:14px}
@media(max-width:880px){.msteps{grid-template-columns:1fr}}
.mstep{position:relative; padding-left:46px}
.mstep.wide{grid-column:1/-1}
.step-badge{position:absolute; left:16px; top:17px; width:22px; height:22px; border-radius:50%;
  background:var(--mit-red); color:#fff; font-size:11px; font-weight:700; display:flex;
  align-items:center; justify-content:center}
.mstep p{font-size:13px; color:var(--text-2)}
.sliders{display:grid; grid-template-columns:repeat(4,1fr); gap:12px; margin-top:6px}
@media(max-width:720px){.sliders{grid-template-columns:1fr 1fr}}
.sl{display:flex; flex-direction:column; gap:3px; font-family:var(--mono); font-size:11px; color:var(--text-3)}
.sl input{width:100%}
.mtx{max-width:100%; font-family:var(--mono); font-size:11px; color:var(--text-2); overflow-x:auto}
.mtx table{border-collapse:collapse}
.mtx td,.mtx th{padding:3px 9px; text-align:right; white-space:nowrap; border-bottom:1px solid var(--line);
  font-variant-numeric:tabular-nums}
.mtx th{color:var(--text-3); font-weight:600; font-size:10px}
.mtx td.lbl{text-align:left; color:var(--text); font-family:var(--sans); font-size:12px; font-weight:600}
.mtx tr.hi td{background:var(--red-dim)}
.eq{font-family:var(--mono); font-size:12px; color:var(--text-2); background:var(--bg-2);
  border:1px solid var(--line); border-radius:8px; padding:9px 11px; margin-top:10px;
  white-space:pre-wrap; overflow-wrap:anywhere; line-height:1.7}
.eq em{color:var(--red); font-style:normal}
.vecout{font-family:var(--mono); font-size:13px; color:var(--good); margin-top:10px}

/* ===== Families ===== */
.variant{display:flex; flex-direction:column}
.mask{display:grid; gap:2px; margin:10px 0 8px; width:max-content}
.mask i{width:15px; height:15px; border-radius:2px; background:var(--line)}
.mask i.on{background:var(--mit-red)}
.mask i.cross{background:var(--accent)}
.mask i.sep{margin-left:7px}
.mask-cap{white-space:pre-line; font-family:var(--mono); font-size:10px; color:var(--text-3); margin:-6px 0 12px; line-height:1.5}
.variant .tag{font-family:var(--mono); font-size:10.5px; color:var(--text-3); margin-bottom:4px}
.variant p{font-size:13px; color:var(--text-2)}
.variant .models{margin-top:auto; padding-top:10px; font-size:12px; color:var(--text-3)}
.refs{margin:6px 0 0; padding-left:18px; font-size:13.5px; color:var(--text-2)}
.refs li{margin-bottom:7px}
.refs a{text-decoration:none; border-bottom:1px solid transparent}
.refs a:hover{border-bottom-color:var(--accent)}
.refs span{color:var(--text-3); font-size:12.5px}

/* ===== Intro / recap ===== */
.overview{display:grid; grid-template-columns:repeat(4,1fr); gap:10px; margin:18px 0 4px}
@media(max-width:760px){.overview{grid-template-columns:1fr 1fr}}
.ov{background:var(--card); border:1px solid var(--line); border-left:3px solid var(--line-2);
  border-radius:var(--radius-s); padding:13px 15px}
.ov b{display:block; font-family:var(--serif); font-size:15px; margin-bottom:3px}
.ov span{font-size:12.5px; color:var(--text-3); line-height:1.45}
.ov.pre{border-left-color:#60a5fa} .ov.enc{border-left-color:var(--mit-red)}
.ov.dec{border-left-color:var(--good)} .ov.post{border-left-color:var(--warn)}
.kbd{font-family:var(--mono); font-size:11px; background:var(--card-2); border:1px solid var(--line-2);
  border-radius:5px; padding:1px 6px; color:var(--text-2)}
.recap{display:flex; flex-direction:column; gap:0; margin-top:6px}
.recap-row{display:grid; grid-template-columns:22px 108px 1fr; gap:12px; align-items:baseline;
  padding:9px 0; border-bottom:1px solid var(--line); font-size:13.5px}
.recap-row:last-child{border-bottom:0}
.recap-row i{font-style:normal; font-size:14px}
.recap-row b{font-size:12.5px}
.recap-row span{color:var(--text-2)}

/* ===== Footer ===== */
.foot{border-top:1px solid var(--line); padding:20px clamp(14px,4vw,36px) 40px; color:var(--text-3);
  font-size:12.5px; max-width:1180px; margin:0 auto}
.foot p{margin:0 0 5px}

/* ===== 06 Cell anatomy + decay chart ===== */
.anat-h{font-family:var(--serif); font-size:17px; margin:24px 0 2px}
.cellgrid{display:grid; grid-template-columns:repeat(2,1fr); gap:14px; margin-top:12px}
@media(max-width:900px){.cellgrid{grid-template-columns:1fr}}
.cellcard{background:var(--card); border:1px solid var(--line); border-left:3px solid var(--line-2);
  border-radius:var(--radius); padding:15px 17px; box-shadow:var(--shadow); display:flex; flex-direction:column}
.cellcard h3{font-family:var(--serif); font-size:16px; margin:0 0 3px}
.cellcard .form{font-family:var(--mono); font-size:11.5px; color:var(--text-3); margin-bottom:10px}
.cellcard .form sub{font-size:9px}
.cellsvg{width:100%; height:auto; max-width:290px; margin:0 0 12px; overflow:visible}
.cellsvg line,.cellsvg polyline,.cellsvg path{fill:none; stroke:var(--text-3); stroke-width:1.3}
.cellsvg rect{fill:var(--card-2); stroke:var(--line-2); stroke-width:1}
.cellsvg text{fill:var(--text-3); font-family:var(--mono); font-size:8.5px}
.cellsvg .lbl{fill:var(--text-2); font-size:9.5px}
.cellsvg .gate{fill:var(--red-dim); stroke:var(--red); stroke-width:1.2}
.cellsvg .gt{fill:var(--red); font-size:9px; font-weight:700; stroke:none}
.cellsvg .belt{stroke:var(--good); stroke-width:2.6}
.cellsvg .tokbox{fill:var(--card-2); stroke:var(--red); stroke-width:1.2}
.cellsvg .mesh{stroke:var(--red); stroke-width:1; opacity:.62}
.cellcard .desc{font-size:13px; color:var(--text-2); margin:0}
.cellcard .verdict{margin-top:auto; padding-top:10px; font-size:12.5px; color:var(--text-3);
  border-top:1px solid var(--line)}
.chartwrap{margin-top:6px; overflow-x:auto}
.chartwrap svg{width:100%; min-width:520px; height:auto; display:block}
.chart-grid{stroke:var(--line); stroke-width:1}
.chart-ax{fill:var(--text-3); font-family:var(--mono); font-size:9.5px}
.chart-axl{fill:var(--text-3); font-family:var(--mono); font-size:9px; letter-spacing:.09em; text-transform:uppercase}
.chart-line{fill:none; stroke-width:2.1; stroke-linejoin:round}
.chartlegend{display:flex; gap:20px; flex-wrap:wrap; margin-top:12px; font-size:12.5px; color:var(--text-2)}
.chartlegend b{font-weight:600}
.chartlegend i{display:inline-block; width:18px; height:3px; border-radius:2px; margin-right:8px; vertical-align:middle}
.chartlegend span{color:var(--text-3); font-size:11.5px}




/* ===== DataRev Branding & Step 12 Probability Extensions ===== */
.brand-logo-dark { display: block; height: 25px; width: auto; }
.brand-logo-light { display: none; height: 25px; width: auto; }
html[data-theme="light"] .brand-logo-dark { display: none !important; }
html[data-theme="light"] .brand-logo-light { display: block !important; }

.prob-dist-container { margin-top: 16px; }
.prob-dist-header { margin-bottom: 12px; }
.prob-dist-header h4 { font-size: 15px; font-weight: 700; color: var(--text); }
.prob-dist-header .formula { font-family: var(--mono); font-size: 12px; color: var(--accent); margin-top: 2px; }
.prob-chart { display: flex; flex-direction: column; gap: 8px; margin-top: 14px; }
.prob-row {
  display: grid; grid-template-columns: 80px 1fr 140px; align-items: center; gap: 12px;
  background: var(--card-2); padding: 8px 14px; border-radius: var(--radius-s); border: 1px solid var(--line); transition: all 0.2s ease;
}
.prob-row.rejected { opacity: 0.35; background: transparent; border-style: dashed; }
.prob-row.top-selected { border-color: var(--good); background: rgba(52, 211, 153, 0.08); }
.prob-token { font-weight: 700; font-size: 14px; font-family: var(--mono); }
.prob-track { height: 18px; background: var(--bg-2); border-radius: 4px; overflow: hidden; position: relative; display: flex; align-items: center; }
.prob-fill { height: 100%; background: linear-gradient(90deg, var(--mit-red), var(--red)); border-radius: 4px; transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1); }
.prob-row.top-selected .prob-fill { background: linear-gradient(90deg, var(--good), #34d399); }
.prob-stats { display: flex; justify-content: flex-end; gap: 10px; font-family: var(--mono); font-size: 12px; }
.prob-stats .logit { color: var(--text-3); }
.prob-stats .prob-pct { font-weight: 700; color: var(--text); }
.prob-stats .cum-pct { color: var(--accent); font-size: 11px; }