/* tradebot — an instrument face, not a stack of cards.
   Dark is the native surface (milled graphite). Light is a silkscreened enamel panel,
   rebuilt rather than inverted. */

:root{
  color-scheme: dark light;
  --void:#0A0F12; --panel:#131A1F; --panel-hi:#182128;
  --etch:#202B32; --etch-lo:rgba(255,255,255,.035);
  --ink-high:#EDF2F3; --ink-mid:#B3C0C6; --ink-legend:#8899A2;
  --phosphor:#5FD3D8; --amber:#E9A83C; --vermilion:#FF5C4D; --brass:#B98F3E;
  --f-sign:"Archivo",ui-sans-serif,-apple-system,system-ui,sans-serif;
  --f-mono:"Chivo Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --f-read:"Newsreader","Iowan Old Style",Georgia,serif;
  --pad:18px;
}
@media (prefers-color-scheme: light){
  :root{
    --void:#E4E7E3; --panel:#F5F7F3; --panel-hi:#FBFCF9;
    --etch:#C4CBC4; --etch-lo:rgba(0,0,0,.05);
    --ink-high:#101619; --ink-mid:#3B474C; --ink-legend:#57666C;
    --phosphor:#0C767C; --amber:#9E620A; --vermilion:#BC3025; --brass:#86651E;
  }
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--void);color:var(--ink-mid);
  font-family:var(--f-mono);font-size:14px;line-height:1.5;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
  padding-bottom:env(safe-area-inset-bottom);
}
a{color:inherit;text-decoration:none}

/* the hairline + engraved legend pair that labels every region */
.legend,.legend-bare{
  font-family:var(--f-sign);font-variation-settings:"wdth" 100;font-weight:600;
  font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-legend);
  margin:0;display:flex;align-items:center;gap:8px;
}
.hair{display:inline-block;width:12px;height:1px;background:var(--brass);flex:none}

/* ── navigation rail ── */
nav.rail{
  display:flex;gap:0;overflow-x:auto;scrollbar-width:none;
  background:var(--panel);border-bottom:1px solid var(--etch);
  padding-top:env(safe-area-inset-top);position:sticky;top:0;z-index:9;
}
nav.rail::-webkit-scrollbar{display:none}
nav.rail a{
  font-family:var(--f-sign);font-variation-settings:"wdth" 100;font-weight:600;
  font-size:10px;letter-spacing:.16em;color:var(--ink-legend);
  padding:14px 14px 12px;white-space:nowrap;display:flex;align-items:center;gap:6px;
  border-bottom:2px solid transparent;
}
nav.rail a .hair{width:8px;background:var(--etch)}
nav.rail a.on{color:var(--ink-high);border-bottom-color:var(--brass)}
nav.rail a.on .hair{background:var(--brass)}

/* ── THE FACE ── */
.hero{
  position:relative;overflow:hidden;background:var(--void);
  border-bottom:1px solid var(--etch);
  min-height:210px;padding:var(--pad) var(--pad) 0;
  display:grid;grid-template-columns:1fr auto;grid-template-rows:auto auto;
  column-gap:12px;
}
.graticule{position:absolute;inset:0;width:100%;height:100%;color:var(--ink-legend);pointer-events:none}
.graticule .arcs{opacity:.10;stroke-width:1}
.graticule .grid{opacity:.05;stroke-width:.5}
.graticule .regmark{opacity:.85;stroke:var(--brass);stroke-width:1.2}
.hero-left{position:relative;z-index:1;min-width:0}
.wordmark{
  font-family:var(--f-sign);font-variation-settings:"wdth" 125;font-weight:900;
  font-size:clamp(44px,13vw,64px);line-height:.9;letter-spacing:-.02em;
  color:var(--ink-high);margin:.28rem 0 .35rem;
}
.state-bad .wordmark{color:var(--vermilion)}
.state-live .wordmark{color:var(--amber)}
.killline{margin:0;font-size:11px;letter-spacing:.1em;color:var(--ink-legend);display:flex;align-items:center;gap:7px}

.hero-dial{position:relative;z-index:1;width:64px;height:64px;align-self:start;margin-top:4px}
.hero-dial svg{width:64px;height:64px;color:var(--ink-legend)}
.hero-dial .bezel{stroke:var(--brass);stroke-width:1;opacity:.85}
.hero-dial .hand{stroke:var(--ink-high);stroke-width:1;transform-origin:32px 32px;
  animation:sweep 60s linear infinite;animation-delay:calc(var(--seed-s,0) * -1s)}
.hero-dial .pip{fill:var(--phosphor);animation:pip 3s ease-out infinite}
@keyframes sweep{to{transform:rotate(360deg)}}
@keyframes pip{0%,100%{opacity:.35}4%{opacity:1}}

/* session bar */
.session{grid-column:1/-1;position:relative;z-index:1;padding:14px 0 16px;margin-top:6px}
.sess-head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:7px}
.sess-state{font-family:var(--f-sign);font-variation-settings:"wdth" 100;font-weight:700;
  font-size:10px;letter-spacing:.16em;color:var(--ink-legend)}
.phase-open .sess-state{color:var(--phosphor)}
.phase-premarket .sess-state,.phase-afterhours .sess-state{color:var(--amber)}
.sess-clock{font-size:13px;color:var(--ink-high)}
.sess-band{position:relative;height:12px;border-bottom:1px solid var(--brass)}
.sess-band .trough{position:absolute;top:0;height:12px;background:var(--etch);opacity:.75}
.sess-band .ext{position:absolute;inset:0;width:100%;height:12px;color:var(--ink-legend);opacity:.5}
.sess-band .tick{position:absolute;bottom:0;width:1px;height:4px;background:var(--etch)}
.sess-band .tick.major{height:8px;background:var(--ink-legend)}
.sess-band .needle{position:absolute;bottom:-2px;width:1px;height:18px;background:var(--brass);
  transition:left .4s cubic-bezier(.2,.8,.3,1)}
.sess-band .needle b{position:absolute;top:-4px;left:-3px;width:7px;height:7px;background:var(--brass);
  transform:rotate(45deg);display:block}
.sess-axis{position:relative;height:14px;margin-top:5px}
.sess-axis span{position:absolute;transform:translateX(-50%);font-size:9px;letter-spacing:.14em;color:var(--ink-legend)}
.sess-count{margin:6px 0 0;font-size:10px;letter-spacing:.12em;color:var(--ink-legend);text-transform:uppercase}

/* ── lamps ── */
.lamp{width:9px;height:9px;border-radius:2px;flex:none;display:inline-block;
  border:1px solid var(--brass);background:var(--etch)}
.lamp-ok{background:var(--phosphor);border-color:var(--phosphor);
  box-shadow:0 0 6px color-mix(in srgb,var(--phosphor) 60%,transparent);animation:breathe 3s ease-in-out infinite}
.lamp-warn{background:var(--amber);border-color:var(--amber);animation:breathe 2.4s ease-in-out infinite}
.lamp-bad{background:var(--vermilion);border-color:var(--vermilion)}
.lamp-off{background:transparent;border-color:var(--etch)}
@keyframes breathe{0%,100%{opacity:.55}50%{opacity:1}}

/* ── status board ── */
.board{display:grid;grid-template-columns:repeat(3,1fr);background:var(--panel);
  border-bottom:1px solid var(--etch)}
.board .cell{padding:12px var(--pad);display:flex;flex-direction:column;gap:4px;
  border-right:1px solid var(--etch)}
.board .cell:last-child{border-right:0}
.board .value{font-size:14px;color:var(--ink-high);letter-spacing:.04em}
.board .value.bad{color:var(--vermilion)}
.board .value.ghost{color:var(--ink-legend);opacity:.45}

/* ── heartbeat bay ── */
.bay{background:var(--panel);border-bottom:1px solid var(--etch);padding:14px var(--pad) 16px}
.bay .legend{margin-bottom:12px}
.gauge{display:grid;grid-template-columns:96px 1fr auto;align-items:center;gap:12px;
  padding:10px 0;border-top:1px solid var(--etch-lo)}
.gauge:first-of-type{border-top:0}
.g-id{display:flex;flex-direction:column;gap:3px;min-width:0}
.g-name{font-family:var(--f-sign);font-variation-settings:"wdth" 112;font-weight:700;
  font-size:13px;letter-spacing:.08em;color:var(--ink-high)}
.g-role{font-size:9px;letter-spacing:.08em;color:var(--ink-legend);text-transform:uppercase}
.g-id .lamp{position:absolute;margin-left:-14px;margin-top:3px}
.comb{display:flex;gap:1px;height:22px;align-items:stretch;min-width:0;overflow:hidden}
.comb i{flex:1 1 0;min-width:1px;background:var(--etch);border-radius:0}
.comb i.lit{background:var(--phosphor);opacity:.85}
.g-stale .comb i.lit{background:var(--amber)}
.g-dead .comb i{background:var(--etch);opacity:.5}
.g-age{text-align:right;display:flex;flex-direction:column;align-items:flex-end;gap:1px}
.g-age .numeral{font-size:30px;line-height:1;color:var(--ink-high);font-weight:600}
.g-age .unit{font-size:12px;color:var(--ink-legend);margin-left:2px}
.g-stale .numeral{color:var(--amber)}
.g-dead .numeral{color:var(--vermilion)}
.g-age .legend-bare{font-size:9px}

/* ── the tape ── */
.tape{display:flex;overflow-x:auto;scroll-snap-type:x proximity;scrollbar-width:none;
  background:var(--void);border-bottom:1px solid var(--etch)}
.tape::-webkit-scrollbar{display:none}
.cellq{scroll-snap-align:start;flex:0 0 auto;min-width:118px;padding:11px 14px;
  border-right:1px solid var(--etch);display:flex;flex-direction:column;gap:3px}
.cellq .sym{font-family:var(--f-sign);font-variation-settings:"wdth" 112;font-weight:700;
  font-size:12px;letter-spacing:.09em;color:var(--ink-high)}
.readout{display:inline-block;font-size:15px;line-height:1.2;color:var(--ink-high)}
.readout .ghost{color:var(--ink-legend);opacity:.10}
.readout .live{color:var(--ink-high)}
.microbar{display:block;height:3px;background:var(--etch);position:relative;margin-top:3px}
.microbar i{position:absolute;left:0;top:0;height:3px;background:var(--ink-legend)}
.dir-up .microbar i{background:var(--phosphor)}
.dir-down .microbar i{background:var(--vermilion)}
.cellq .delta{font-size:10px;letter-spacing:.06em;color:var(--ink-legend)}
.dir-up .delta{color:var(--phosphor)}
.dir-down .delta{color:var(--vermilion)}

/* ── dossiers ── */
.dossier{background:var(--panel);border-bottom:1px solid var(--etch);
  padding:16px var(--pad);border-left:2px solid var(--brass)}
.dos-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px}
.dos-sym{font-family:var(--f-sign);font-variation-settings:"wdth" 118;font-weight:800;
  font-size:24px;letter-spacing:.02em;color:var(--ink-high);line-height:1}
.dos-price{text-align:right}
.dos-price .delta{display:block;font-size:11px;margin-top:2px;color:var(--ink-legend)}
.dir-up .dos-price .delta{color:var(--phosphor)}
.dir-down .dos-price .delta{color:var(--vermilion)}
.thesis{font-family:var(--f-read);font-size:15px;line-height:1.55;color:var(--ink-mid);
  margin:12px 0 0;max-width:60ch}
.thesis.empty{color:var(--ink-legend);opacity:.65}
.invalid{margin:12px 0 0;padding-left:11px;border-left:1px solid var(--vermilion)}
.invalid .legend-bare{color:var(--vermilion);margin-bottom:3px}
.invalid p{margin:0;font-family:var(--f-read);font-size:14px;line-height:1.5;color:var(--ink-mid)}
.nofeed{font-size:9px;letter-spacing:.14em;color:var(--ink-legend);opacity:.7}

/* ── fanfold log ── */
.fanfold{background:var(--panel);padding:14px var(--pad) 16px;border-bottom:1px solid var(--etch)}
.fanfold .legend{margin-bottom:10px}
.line{display:grid;grid-template-columns:62px 30px 1fr;gap:8px;align-items:baseline;
  padding:4px 0;border-bottom:1px solid var(--etch-lo)}
.line.fifth{border-bottom-color:var(--etch)}
.line .t{font-size:10px;color:var(--ink-legend)}
.line .code{font-size:9px;letter-spacing:.08em;text-align:center;border:1px solid var(--etch);
  padding:1px 0;color:var(--ink-legend)}
.l-WRN .code{color:var(--amber);border-color:var(--amber)}
.l-ERR .code{color:var(--vermilion);border-color:var(--vermilion)}
.line .msg{font-size:12px;color:var(--ink-mid);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.line .msg.ghost{opacity:.4}
.more{display:inline-block;margin-top:12px;font-family:var(--f-sign);font-weight:600;
  font-size:10px;letter-spacing:.16em;color:var(--brass)}

/* ── generic blocks used by the other pages ── */
.slab{background:var(--panel);border-bottom:1px solid var(--etch);padding:16px var(--pad)}
.slab h2{font-family:var(--f-sign);font-variation-settings:"wdth" 112;font-weight:700;
  font-size:15px;letter-spacing:.06em;color:var(--ink-high);margin:0 0 4px;text-transform:uppercase}
.slab p{margin:8px 0 0;font-size:13px;line-height:1.55;color:var(--ink-mid)}
.slab p.read{font-family:var(--f-read);font-size:15px}
.rowlist{display:flex;flex-direction:column}
.rowitem{display:flex;gap:12px;align-items:baseline;justify-content:space-between;
  padding:11px 0;border-bottom:1px solid var(--etch-lo)}
.rowitem:last-child{border-bottom:0}
.rowitem .k{font-size:13px;color:var(--ink-mid)}
.rowitem .v{font-size:13px;color:var(--ink-high);text-align:right;white-space:nowrap}
ol.steps{margin:10px 0 0;padding-left:20px;font-family:var(--f-read);font-size:15px;line-height:1.6;color:var(--ink-mid)}
ol.steps li{margin-bottom:9px}
ol.steps b{color:var(--ink-high);font-family:var(--f-mono);font-size:13px}

/* forms */
form.editor{display:flex;flex-direction:column;gap:10px;margin-top:12px}
label.field{display:flex;flex-direction:column;gap:5px}
label.field span{font-family:var(--f-sign);font-weight:600;font-size:10px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--ink-legend)}
input,textarea,select,button{font:inherit;font-family:var(--f-mono);font-size:14px;
  background:var(--void);color:var(--ink-high);border:1px solid var(--etch);
  border-radius:0;padding:11px;min-height:46px}
textarea{font-family:var(--f-read);font-size:15px;line-height:1.5;min-height:74px;resize:vertical}
button{background:var(--brass);color:var(--void);border:0;font-family:var(--f-sign);
  font-weight:700;font-size:11px;letter-spacing:.16em;text-transform:uppercase;cursor:pointer}
button.ghostbtn{background:transparent;color:var(--ink-legend);border:1px solid var(--etch)}
button.danger{background:transparent;color:var(--vermilion);border:1px solid var(--vermilion);min-height:38px;font-size:10px}
.btnrow{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:12px}

.alarm{margin:0;background:var(--vermilion);color:var(--void);padding:10px var(--pad);
  font-family:var(--f-sign);font-weight:700;font-size:11px;letter-spacing:.1em}
.note{margin:10px 0 0;font-size:11px;letter-spacing:.06em;color:var(--ink-legend)}
.push-status{margin:10px 0 0;font-size:12px;color:var(--ink-legend);line-height:1.5}
.push-status.good{color:var(--phosphor)}
.push-status.warn{color:var(--amber)}
.push-status.bad{color:var(--vermilion)}

footer.dataplate{display:flex;justify-content:space-between;gap:10px;
  margin:16px var(--pad) 22px;padding:7px 10px;border:1px solid var(--brass);
  font-size:9px;letter-spacing:.12em;color:var(--ink-legend);text-transform:uppercase}

::selection{background:var(--brass);color:var(--void)}
:focus-visible{outline:1px solid var(--brass);outline-offset:2px}

@media (min-width:720px){
  :root{--pad:26px}
  body{font-size:15px}
  .hero{min-height:260px}
  .gauge{grid-template-columns:150px 1fr auto}
  nav.rail{justify-content:flex-start}
}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
}

/* ── model usage ── */
.usage{background:var(--panel);border-bottom:1px solid var(--etch);padding:14px var(--pad) 16px}
.usage .legend{margin-bottom:12px}
.meter{margin-bottom:12px}
.m-head{display:flex;justify-content:space-between;align-items:baseline;gap:10px;margin-bottom:5px}
.m-val{font-size:17px;color:var(--ink-high)}
.m-val .of{font-size:11px;color:var(--ink-legend)}
.m-val.warn{color:var(--amber)}.m-val.over{color:var(--vermilion)}
.m-comb{display:flex;gap:1px;height:10px}
.m-comb i{flex:1 1 0;background:var(--etch)}
.m-comb i.lit{background:var(--phosphor)}
.m-comb i.lit.warn{background:var(--amber)}
.m-comb i.lit.over{background:var(--vermilion)}
.quad{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:14px 0 4px}
.quad > div{display:flex;flex-direction:column;gap:2px;min-width:0}
.quad .readout{font-size:16px}
.quad .live.bad{color:var(--vermilion)}
.quad .legend-bare{font-size:9px}
.week{display:grid;grid-template-columns:repeat(7,1fr);gap:5px;align-items:end;margin:14px 0 4px}
.week .day{display:flex;flex-direction:column;align-items:center;gap:3px}
.week .col{width:100%;height:38px;display:flex;align-items:flex-end;border-bottom:1px solid var(--etch)}
.week .col i{width:100%;background:var(--ink-legend);opacity:.35;display:block}
.week .col i.today{background:var(--brass);opacity:1}
.week .n{font-size:10px;color:var(--ink-high)}
.week .lbl{font-size:9px;letter-spacing:.1em;color:var(--ink-legend)}