/* The PQT trader GUI. Plain CSS, no build step, no external fonts. Dark and dense; numbers in a
   monospace face with tabular figures, right-aligned. Green buys, red sells. */
:root {
  --bg: #0b0e12;
  --bar: #080a0d;
  --panel: #11151b;
  --panel-2: #19202a;
  --field: #0c1015;
  --line: #242c36;
  --line-soft: #1a2029;
  --ink: #d9dfe7;
  --muted: #8b95a3;
  --faint: #5f6875;
  --buy: #2bc48a;
  --buy-bg: rgba(43, 196, 138, 0.13);
  --sell: #f2555f;
  --sell-bg: rgba(242, 85, 95, 0.13);
  --warn: #e9b440;
  --warn-bg: rgba(233, 180, 64, 0.12);
  --bad: #f2555f;
  --bad-bg: rgba(242, 85, 95, 0.14);
  --info: #5ca3ff;
  --info-bg: rgba(92, 163, 255, 0.12);
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color-scheme: dark;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; background: var(--bg); color: var(--ink); font: 13px/1.35 var(--sans); }
body { display: flex; flex-direction: column; min-height: 100vh; }
.num { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.dim { color: var(--muted); }
.buy, .pos { color: var(--buy); }
.sell, .neg { color: var(--sell); }

/* ------------------------------------------------------------------ header and banners */
.bar {
  display: flex; align-items: center; gap: 18px; padding: 5px 12px;
  background: var(--bar); border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 5;
}
.brand { font-weight: 700; letter-spacing: 0.02em; white-space: nowrap; }
.facts { display: flex; flex-wrap: wrap; gap: 4px 20px; margin: 0; flex: 1; }
.facts > div { display: flex; flex-direction: column; min-width: 0; }
.facts dt { font-size: 10px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); }
.facts dd { margin: 0; font-family: var(--mono); font-variant-numeric: tabular-nums; white-space: nowrap; }
.facts dd.ok { color: var(--buy); }
.facts dd.warn, .facts dd .warn, dd.num.warn { color: var(--warn); }
dd.num.bad { color: var(--bad); }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; background: var(--faint); }
.dot.ok { background: var(--buy); }
.dot.warn { background: var(--warn); }
.dot.bad { background: var(--bad); }

.banners { display: flex; flex-direction: column; gap: 6px; padding: 0 8px; }
.banners > :first-child:not([hidden]), .banners > div:not([hidden]) { margin-top: 6px; }
#b-broadcasts { display: flex; flex-direction: column; gap: 6px; margin-top: 0 !important; }
.banner { padding: 6px 10px; border: 1px solid; border-radius: 3px; display: flex; align-items: center; gap: 10px; }
.banner.bad { background: var(--bad-bg); border-color: var(--bad); }
.banner.warn { background: var(--warn-bg); border-color: var(--warn); }
.banner.info { background: var(--info-bg); border-color: var(--info); }
.banner button { margin-left: auto; }

/* ------------------------------------------------------------------ layout */
.grid {
  display: grid; gap: 8px; padding: 8px;
  grid-template-columns: minmax(440px, 1.4fr) minmax(270px, 300px) minmax(320px, 1fr);
  grid-template-areas: "a b c";
}
.col { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
/* The left column takes the row height the others set; its lists scroll inside it. */
.col-a { grid-area: a; contain: size; min-height: 360px; }
.col-b { grid-area: b; }
.col-c { grid-area: c; }
.panel {
  background: var(--panel); border: 1px solid var(--line); border-radius: 4px;
  padding: 6px 8px 8px; min-width: 0; display: flex; flex-direction: column; overflow-x: auto;
}
.panel h2 {
  display: flex; align-items: center; gap: 6px; flex-wrap: wrap; margin: 0 0 6px;
  font-size: 11px; font-weight: 650; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted);
}
.panel h2 .dim { text-transform: none; letter-spacing: 0; font-weight: 400; color: var(--faint); }
#p-market { flex: none; }
.panel.grow { flex: 1 1 0; min-height: 150px; }
.scroll { overflow: auto; min-height: 0; flex: 1 1 0; }
#p-params { flex: 0 1 auto; min-height: 64px; }
#p-params .scroll { flex: 0 1 auto; }
.tools { display: flex; flex-wrap: wrap; gap: 4px; margin-left: auto; text-transform: none; letter-spacing: 0; }

.bottom {
  display: grid; gap: 8px; padding: 0 8px 8px;
  grid-template-columns: minmax(0, 1.45fr) minmax(0, 1.35fr) minmax(0, 1fr) minmax(0, 0.9fr);
  grid-template-rows: minmax(0, 1fr); flex: 1 1 0; min-height: 230px;
}
.bottom .panel { min-height: 0; }

@media (max-width: 1180px) {
  .grid { grid-template-columns: minmax(0, 1fr) minmax(260px, 290px); grid-template-areas: "a b" "c c"; }
  .col-c { flex-direction: row; }
  .col-c > .panel { flex: 1 1 0; }
  .bottom { grid-template-columns: 1fr 1fr; grid-template-rows: 300px 260px; flex: none; }
}

/* ------------------------------------------------------------------ tables */
.tbl { width: 100%; border-collapse: collapse; font-family: var(--mono); font-size: 12px; font-variant-numeric: tabular-nums; }
.tbl th, .tbl td { padding: 2px 6px; text-align: right; white-space: nowrap; border-bottom: 1px solid var(--line-soft); }
.tbl thead th {
  position: sticky; top: 0; z-index: 1; background: var(--panel);
  font: 600 10px/1.5 var(--sans); text-transform: uppercase; letter-spacing: 0.05em; color: var(--muted);
}
.tbl tbody th { font-weight: 600; }
.tbl .l { text-align: left; }
.empty { color: var(--faint); margin: 8px 2px; }

.market th, .market td { padding: 5px 8px; }
.market td { font-size: 13px; }
.market .px { font-weight: 650; }
.market .bid.px { color: var(--buy); }
.market .ask.px { color: var(--sell); }
.market .clk { cursor: pointer; }
.market .clk:hover { background: var(--panel-2); }
.market tr.off td { color: var(--faint); }
.market .st { font: 600 11px var(--sans); color: var(--faint); }
.market .st.halted { color: #fff; background: var(--bad); text-align: center; }
.market .st.closed { color: var(--ink); background: var(--panel-2); text-align: center; }

.orders td.act { display: flex; gap: 4px; justify-content: flex-end; }
.orders tr.pending td { color: var(--muted); font-style: italic; }
.orders input.edit { width: 72px; padding: 0 4px; }
.orders .cid { max-width: 120px; overflow: hidden; text-overflow: ellipsis; }

.kv tbody th { text-align: left; font-family: var(--sans); font-weight: 400; color: var(--muted); }
.kv tbody.money tr:first-child th, .kv tbody.money tr:first-child td { border-top: 1px solid var(--line); }
.kv tr.est th { color: var(--ink); font-weight: 600; }
.kv tr.est td { font-weight: 700; font-size: 13px; }

.limits .bar-col { width: 40%; }
.limits th, .limits td { padding: 2px 4px; }
.positions th, .positions td { text-align: right; }
.positions td { font-size: 13px; padding-bottom: 4px; }
.tape th, .tape td, .fills th, .fills td { padding: 2px 4px; }
.track {
  position: relative; height: 10px; min-width: 90px;
  background: var(--field); border: 1px solid var(--line); border-radius: 2px;
}
.track.wide { height: 14px; }
.track .zero { position: absolute; left: 50%; top: -3px; bottom: -3px; width: 1px; background: var(--faint); }
.track .range { position: absolute; top: 1px; bottom: 1px; left: 50%; width: 0; background: rgba(92, 163, 255, 0.5); }
.track.warn .range { background: rgba(233, 180, 64, 0.7); }
.track.bad .range { background: rgba(242, 85, 95, 0.8); }
.track .mark { position: absolute; top: -3px; bottom: -3px; left: 50%; width: 2px; margin-left: -1px; background: var(--ink); }
.limits td.warn { color: var(--warn); }
.limits td.bad { color: var(--bad); }
.exposure { margin-top: 8px; }
.exp-head { display: flex; justify-content: space-between; gap: 8px; color: var(--muted); font-size: 11px; margin-bottom: 4px; flex-wrap: wrap; }

.tape tr.st td, .fills tr.st td { background: var(--warn-bg); }
.params tr.changed td:nth-child(3) { color: var(--info); font-weight: 700; }
.no-ids .ids { display: none; }
.tag {
  display: inline-block; padding: 0 5px; border: 1px solid var(--line); border-radius: 2px;
  font: 600 10px/1.6 var(--sans); letter-spacing: 0.03em; text-transform: none; color: var(--muted);
}
.tag.st { color: var(--warn); border-color: var(--warn); }
.tag.warn { color: var(--warn); border-color: var(--warn); }
.tag.bad { color: #fff; background: var(--bad); border-color: var(--bad); }

.news, .log { list-style: none; margin: 0; padding: 0; }
.news li { padding: 5px 2px 6px; border-bottom: 1px solid var(--line-soft); }
.news .meta { font-size: 11px; }
.news .hl { font-weight: 600; margin-top: 1px; }
.news .body { color: var(--muted); margin-top: 1px; }
.log li { font: 11.5px/1.45 var(--mono); padding: 2px; border-bottom: 1px solid var(--line-soft); word-break: break-word; }
.log .t { color: var(--faint); }
.log .k { font: 700 10px var(--sans); }
.log li.reject .k, .log li.error .k { color: var(--bad); }
.log li.reject, .log li.error { color: #ffc9cc; }
.log li.warn .k { color: var(--warn); }
.log li.info .k { color: var(--info); }

/* ------------------------------------------------------------------ forms */
input, select, button { font: inherit; color: var(--ink); }
input, select {
  background: var(--field); border: 1px solid var(--line); border-radius: 3px; padding: 4px 6px; min-width: 0;
}
input.num { text-align: right; }
input:disabled { opacity: 0.35; }
button {
  background: var(--panel-2); border: 1px solid var(--line); border-radius: 3px; padding: 4px 10px; cursor: pointer;
}
button:hover:not(:disabled) { border-color: var(--muted); }
button.ghost { background: transparent; }
button.small { padding: 0 6px; font-size: 11px; line-height: 1.6; }
button:disabled { opacity: 0.35; cursor: default; }
:focus-visible { outline: 2px solid var(--info); outline-offset: -1px; }

form .row, .row { display: flex; gap: 8px; align-items: flex-end; }
.field { display: flex; flex-direction: column; gap: 2px; flex: 1 1 0; min-width: 0; font-size: 11px; color: var(--muted); }
.field.inline { flex: 1 1 auto; }
.field input, .field select { font-size: 13px; color: var(--ink); width: 100%; }
#ticket { display: flex; flex-direction: column; gap: 6px; }
#t-symbol { flex: 1 1 0; font-size: 13px; padding: 5px 6px; }
#t-price, #t-qty { font-size: 15px; padding: 5px 7px; }

.seg { display: flex; margin: 0; padding: 0; border: 1px solid var(--line); border-radius: 3px; overflow: hidden; min-width: 0; }
.seg.side { flex: 1 1 0; align-self: stretch; }
.seg label { flex: 1; position: relative; display: flex; }
.seg input { position: absolute; inset: 0; opacity: 0; margin: 0; cursor: pointer; }
.seg span { flex: 1; text-align: center; padding: 5px 8px; color: var(--muted); align-self: center; }
.seg label + label span { border-left: 1px solid var(--line); }
.seg input:checked + span { background: var(--panel-2); color: var(--ink); font-weight: 650; }
.seg.side input[value="BUY"]:checked + span { background: var(--buy-bg); color: var(--buy); }
.seg.side input[value="SELL"]:checked + span { background: var(--sell-bg); color: var(--sell); }
.seg input:focus-visible + span { outline: 2px solid var(--info); outline-offset: -2px; }

.submit { width: 100%; padding: 7px; border: none; font-weight: 700; font-size: 14px; }
.submit.buy { background: var(--buy); color: #03140c; }
.submit.sell { background: var(--sell); color: #1c0306; }
.submit:hover:not(:disabled) { filter: brightness(1.08); }

#convert select { flex: 0 0 auto; }
#convert input { width: 80px; flex: 1 1 auto; }
#kill input { width: 100%; }

.hint { color: var(--faint); font-size: 11px; margin: 5px 0 0; }
.msg { min-height: 1.35em; margin: 0; font-size: 12px; color: var(--muted); }
.msg.bad { color: var(--bad); }

/* ------------------------------------------------------------------ login */
.overlay { position: fixed; inset: 0; z-index: 20; display: flex; align-items: center; justify-content: center; background: rgba(4, 6, 9, 0.88); }
.login { width: min(380px, calc(100vw - 32px)); display: flex; flex-direction: column; gap: 10px; padding: 20px; background: var(--panel); border: 1px solid var(--line); border-radius: 6px; }
.login h1 { margin: 0 0 4px; font-size: 18px; }
.login input { font-size: 14px; padding: 7px 8px; }