/* ==========================================================================
   VOLUME PROFILE LAB — volume-profile-lab.org
   Independent ATAS (Advanced Time And Sales) configuration reference.
   Navigation: "oscilloscope channel rail" — dark rail, 5 channels CH·A…CH·E,
   each channel opens a panel of pages; the live channel carries a CSS waveform.
   Palette: bg #F7F3EC · ink #1E1B18 · accent carmine #B3123A
            violet #5A4E7C · rule #E3DCCF · card #FFFFFF
   Type:    headings "Arial Narrow"/Arial · body "Trebuchet MS"/Verdana
            data/labels "Courier New" monospace. System fonts only.
   Zero JavaScript. Zero external requests.
   ========================================================================== */

:root{
  --bg:#F7F3EC;
  --ink:#1E1B18;
  --accent:#B3123A;
  --accent-soft:#F0DDE2;
  --violet:#5A4E7C;
  --violet-soft:#E7E3EF;
  --rule:#E3DCCF;
  --card:#FFFFFF;
  --rail:#221E1B;
  --rail-2:#2C2723;
  --rail-ink:#F2ECE3;
  --rail-dim:#A79B8C;
  --data:"Courier New",Courier,"Liberation Mono",monospace;
  --body:"Trebuchet MS",Verdana,Geneva,sans-serif;
  --head:"Arial Narrow",Arial,Helvetica,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--body);font-size:17px;line-height:1.65;
}
img{max-width:100%;height:auto;border:0}
figure{margin:0 0 22px}
figure img{width:100%;max-height:430px;object-fit:cover;border:1px solid var(--rule);
  background:var(--card)}
figcaption{font-family:var(--data);font-size:12px;color:#6E6459;margin-top:7px;letter-spacing:.02em}
a{color:var(--accent);text-decoration:none;border-bottom:1px solid rgba(179,18,58,.32)}
a:hover{border-bottom-color:var(--accent)}
.wrap{max-width:1120px;margin:0 auto;padding:0 22px}
.mono{font-family:var(--data)}

/* ============================== CHANNEL RAIL ============================== */
.rail{position:sticky;top:0;z-index:60;background:var(--rail);color:var(--rail-ink);
  border-bottom:3px solid var(--accent)}
.rail-in{max-width:1120px;margin:0 auto;padding:0 22px;display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.word{display:flex;align-items:center;gap:10px;font-family:var(--head);text-transform:uppercase;
  letter-spacing:.16em;font-size:17px;font-weight:700;color:var(--rail-ink);
  border:0;padding:14px 0;white-space:nowrap}
.word:hover{color:#fff;border:0}
.word .sig{display:inline-flex;align-items:flex-end;gap:2px;height:20px;width:24px;flex:0 0 auto}
.word .sig i{display:block;width:4px;background:var(--accent)}
.word .sig i:nth-child(1){height:9px}
.word .sig i:nth-child(2){height:16px}
.word .sig i:nth-child(3){height:20px}
.word .sig i:nth-child(4){height:12px;background:var(--violet)}
.word-sub{margin:0;font-family:var(--data);font-size:11px;color:var(--rail-dim);
  letter-spacing:.05em;padding:14px 0}
.chans{display:flex;align-items:stretch;gap:2px;margin-left:auto;flex-wrap:wrap}
.ch{position:relative}
.ch-btn{display:flex;flex-direction:column;gap:1px;padding:11px 15px 12px;border:0;
  border-top:3px solid transparent;color:var(--rail-dim);min-width:104px}
.ch-btn:hover{color:#fff;border-top-color:var(--violet);border-bottom:0}
.ch-id{font-family:var(--data);font-size:10.5px;letter-spacing:.16em}
.ch-name{font-family:var(--head);font-size:15px;letter-spacing:.09em;text-transform:uppercase}
/* live channel: carmine rule + waveform bars */
.ch.is-live .ch-btn{color:#fff;background:var(--rail-2);border-top-color:var(--accent)}
.ch.is-live .ch-btn::after{
  content:"";height:9px;margin-top:6px;
  background:repeating-linear-gradient(90deg,var(--accent) 0 3px,transparent 3px 6px);
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 30%,#000 70%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 30%,#000 70%,transparent);
  animation:sweep 2.6s ease-in-out infinite alternate;
}
@keyframes sweep{from{opacity:.45}to{opacity:1}}
@media (prefers-reduced-motion:reduce){.ch.is-live .ch-btn::after{animation:none;opacity:.9}}
.ch-panel{position:absolute;left:0;top:100%;z-index:70;min-width:300px;max-width:360px;
  background:var(--card);border:1px solid var(--rule);border-top:3px solid var(--accent);
  padding:12px 14px 14px;box-shadow:0 16px 30px rgba(34,30,27,.18);
  opacity:0;visibility:hidden;transition:opacity .12s ease}
.ch:hover .ch-panel,.ch:focus-within .ch-panel{opacity:1;visibility:visible}
.ch-panel .p-cap{font-family:var(--data);font-size:10.5px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--violet);margin:0 0 8px}
.ch-panel a{display:block;padding:7px 0;border:0;border-bottom:1px dotted var(--rule);
  font-family:var(--body);font-size:14px;color:var(--ink)}
.ch-panel a:last-child{border-bottom:0}
.ch-panel a:hover{color:var(--accent)}
.ch-panel a.here{background:var(--accent-soft);color:var(--accent);padding-left:8px}
.ch-panel .p-foot{margin:9px 0 0;font-family:var(--data);font-size:10.5px;color:#6E6459}

@media (max-width:760px){
  .rail{position:static}
  .word-sub{font-size:10px;padding:6px 0 10px}
  .chans{flex-direction:column;width:100%;margin:0 0 10px;gap:0}
  .ch{width:100%;border-top:1px solid rgba(255,255,255,.12)}
  .ch-btn{min-width:0;width:100%;flex-direction:row;align-items:baseline;gap:10px;
    padding:12px 2px;border-top:0}
  .ch.is-live .ch-btn::after{height:0;margin:0;background:none;content:none}
  .ch.is-live .ch-btn{border-left:3px solid var(--accent)}
  .ch-panel{position:static;opacity:1;visibility:visible;max-width:none;min-width:0;
    border:0;border-left:3px solid var(--violet);box-shadow:none;background:#FBF8F3;
    padding:6px 12px 10px;margin:0 0 8px}
  .ch-panel a{border-bottom:1px solid var(--rule)}
}

/* ============================== PAGE FRAME =============================== */
main{display:block;padding-bottom:40px}
.page-head{padding:32px 0 4px;border-bottom:1px solid var(--rule)}
.crumb{font-family:var(--data);font-size:11.5px;color:#6E6459;letter-spacing:.06em;margin:0 0 10px}
.crumb b{color:var(--accent);font-weight:400}
h1{font-family:var(--head);font-size:34px;line-height:1.16;letter-spacing:.01em;
  margin:0 0 14px;font-weight:700}
h2{font-family:var(--head);font-size:24px;line-height:1.22;margin:0 0 12px;letter-spacing:.01em}
h3{font-family:var(--head);font-size:19px;letter-spacing:.02em;margin:22px 0 8px;
  color:var(--violet)}
h4{font-family:var(--head);font-size:16px;letter-spacing:.04em;margin:0 0 8px;text-transform:uppercase}
p{margin:0 0 15px}
.lead{font-size:19px;line-height:1.6}
article{padding-top:26px}
section.sec{border-top:1px solid var(--rule);padding:26px 0 6px}
section.sec:first-child{border-top:0;padding-top:6px}
.sec-h{display:flex;align-items:baseline;gap:12px}
.sec-num{font-family:var(--data);font-size:12.5px;color:var(--violet);letter-spacing:.1em;
  border:1px solid var(--rule);background:var(--card);padding:2px 7px;flex:0 0 auto}
ul,ol{margin:0 0 15px;padding-left:24px}
li{margin:0 0 7px}
dl.deflist{margin:0 0 16px}
dl.deflist dt{font-family:var(--head);font-size:16px;letter-spacing:.03em;text-transform:uppercase;
  color:var(--accent);margin-top:12px}
dl.deflist dd{margin:3px 0 0;padding-left:0}
.badge{font-family:var(--data);font-size:13px;background:var(--violet-soft);color:var(--violet);
  border:1px solid #D5CEE3;padding:1px 6px;white-space:nowrap}
.note{background:var(--card);border:1px solid var(--rule);border-left:4px solid var(--violet);
  padding:14px 16px;margin:0 0 18px}
.note p:last-child{margin-bottom:0}
.note .n-cap{font-family:var(--data);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--violet);display:block;margin-bottom:6px}
.disclaimer{font-size:14.5px;line-height:1.55;color:#4A423A;background:var(--accent-soft);
  border:1px solid #E3C4CD;border-left:4px solid var(--accent);padding:12px 15px;margin:16px 0 0}

/* ============================== TABLES ================================== */
table{border-collapse:collapse;width:100%;margin:0 0 20px;background:var(--card);
  font-size:15.5px}
caption{caption-side:top;text-align:left;font-family:var(--data);font-size:11.5px;
  color:#6E6459;letter-spacing:.06em;padding-bottom:7px}
th,td{border:1px solid var(--rule);padding:9px 11px;text-align:left;vertical-align:top}
thead th{background:var(--rail);color:var(--rail-ink);font-family:var(--head);
  font-size:14px;letter-spacing:.07em;text-transform:uppercase;font-weight:700}
tbody th{background:#F2ECE2;font-family:var(--head);letter-spacing:.04em}
td.v,.spec td:last-child{font-family:var(--data);font-size:14px}
table.cmp td:first-child{width:24%;font-family:var(--head);text-transform:uppercase;
  letter-spacing:.04em;font-size:14.5px;background:#F2ECE2}
table.cmp td{font-size:14.5px}

/* ============================== DIAGRAMS ================================ */
.diagram{background:var(--card);border:1px solid var(--rule);padding:12px;margin:0 0 20px;
  overflow-x:auto}
.diagram svg{display:block;width:100%;height:auto;min-width:520px}
.flow{list-style:none;padding:0;margin:0 0 20px;display:flex;flex-wrap:wrap;gap:8px}
.flow li{flex:1 1 150px;background:var(--card);border:1px solid var(--rule);
  border-top:3px solid var(--violet);padding:10px 12px;margin:0;
  font-family:var(--data);font-size:12.5px;line-height:1.4}
.flow li b{display:block;font-family:var(--head);font-size:14.5px;text-transform:uppercase;
  letter-spacing:.05em;color:var(--accent);margin-bottom:4px}

/* ============================== FORMS =================================== */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;background:var(--card);
  border:1px solid var(--rule);padding:18px;margin:0 0 20px}
.form-grid label{display:block;font-family:var(--head);font-size:14px;text-transform:uppercase;
  letter-spacing:.06em;color:var(--violet);margin-bottom:5px}
.form-grid input,.form-grid select,.form-grid textarea{width:100%;padding:9px 10px;
  border:1px solid #CFC6B7;background:#FDFBF7;font-family:var(--body);font-size:15.5px;color:var(--ink)}
.form-grid textarea{min-height:130px;resize:vertical}
.form-grid .full{grid-column:1 / -1}
.form-note{font-family:var(--data);font-size:12px;color:#6E6459;margin:0}
button.submit{font-family:var(--head);text-transform:uppercase;letter-spacing:.1em;font-size:15px;
  background:var(--accent);color:#fff;border:0;padding:11px 22px;cursor:pointer}
button.submit:hover{background:#8E0E2E}
@media (max-width:620px){.form-grid{grid-template-columns:1fr}}

/* ============================== FOOTER ================================== */
footer.site{background:var(--rail);color:var(--rail-ink);border-top:3px solid var(--violet);
  margin-top:34px}
.tablo{padding:28px 0 8px}
.tablo h4{font-family:var(--data);font-size:11.5px;letter-spacing:.16em;color:var(--rail-dim);
  text-transform:uppercase;margin:0 0 4px}
.tablo h4 b{color:var(--accent);font-weight:400}
.tablo .cols{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:20px}
.tablo .cols > div{padding-top:10px;border-top:1px solid #3A342F}
.tablo a{display:block;color:#DED5C9;border:0;font-size:14px;padding:4px 0;
  border-bottom:1px dotted #3A342F}
.tablo a:last-child{border-bottom:0}
.tablo a:hover{color:#fff}
.tablo a.here{color:#fff;box-shadow:inset 3px 0 0 var(--accent);padding-left:9px}
.foot-meta{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:24px;padding:22px 0 6px;
  border-top:1px solid #3A342F;margin-top:18px}
.foot-meta h4{font-family:var(--data);font-size:11px;letter-spacing:.14em;color:var(--rail-dim);
  text-transform:uppercase;margin:0 0 8px}
.foot-meta address{font-style:normal;font-size:14.5px;line-height:1.6;color:#E3DACB}
.foot-meta p{margin:0;font-size:14.5px;line-height:1.6;color:#E3DACB}
.foot-meta a{color:#F2ECE3;border-bottom:1px dotted #57504A}
.foot-legal{padding:0 0 26px}
.foot-legal .row{display:flex;flex-wrap:wrap;gap:16px;padding:12px 0;
  border-top:1px solid #3A342F;font-size:14px}
.foot-legal .row a{color:#F2ECE3;border-bottom:1px dotted #57504A}
footer.site .disclaimer{background:#2C2723;border:1px solid #3F3934;border-left:4px solid var(--accent);
  color:#DED5C9;margin:8px 0 0}
@media (max-width:900px){
  .tablo .cols{grid-template-columns:repeat(2,minmax(0,1fr))}
  .foot-meta{grid-template-columns:1fr}
}
@media (max-width:560px){.tablo .cols{grid-template-columns:1fr}}