/* A trading terminal: dense, monospace where the numbers are, and legible at
   a glance. No framework, no build step, no webfont — the page is three files
   the gateway serves from its own binary. */

:root {
  --bg: #12141a;
  --panel: #181b23;
  --line: #262b36;
  --ink: #d8dce6;
  --dim: #7d8598;
  --yes: #46a758;
  --no: #d4574a;
  --accent: #6f9dff;
  --warn: #e0a63c;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 14px/1.45 system-ui, -apple-system, "Segoe UI", sans-serif;
}

h1 { font-size: 15px; letter-spacing: 0.14em; text-transform: uppercase; margin: 0; }
h2 { font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--dim); margin: 0 0 10px; }
h3 { font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--dim); margin: 18px 0 6px; }

header {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--line);
  background: var(--panel);
}
header .identity { margin-left: auto; color: var(--dim); }
header .identity button {
  margin-left: 8px;
}
.feed { color: var(--dim); font-size: 12px; }
.feed .live { color: var(--yes); }
.feed .polling { color: var(--warn); }

main {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) minmax(420px, 2.2fr) minmax(260px, 1fr);
  gap: 12px;
  padding: 12px;
  align-items: start;
}
@media (max-width: 1100px) { main { grid-template-columns: 1fr; } }

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 12px;
}
.panel-head { display: flex; align-items: baseline; gap: 10px; }
.filters { margin-left: auto; display: flex; gap: 6px; }

select, input, button {
  background: #10131a;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 4px 6px;
  font: inherit;
}
button { cursor: pointer; }
button:hover { border-color: var(--accent); }
button[disabled] { opacity: 0.5; cursor: default; }

/* Markets ----------------------------------------------------------------- */
.market-list { list-style: none; margin: 0; padding: 0; }
.market-list li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 6px 8px;
  border-radius: 4px;
  cursor: pointer;
}
.market-list li:hover { background: #1e2230; }
.market-list li[aria-current="true"] { background: #1e2230; box-shadow: inset 2px 0 0 var(--accent); }
.market-list .ticker { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.market-list .oi { margin-left: auto; color: var(--dim); font-variant-numeric: tabular-nums; }

.tag {
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 1px 5px;
  border: 1px solid var(--line);
  border-radius: 3px;
  color: var(--dim);
}
.tag.open { color: var(--yes); border-color: #24502f; }
.tag.settling { color: var(--warn); border-color: #4d3c17; }
.tag.resolved, .tag.closed { color: var(--dim); }
.tag.sandbox { color: var(--accent); border-color: #2a3c66; }

/* One market -------------------------------------------------------------- */
.market-head h2 { color: var(--ink); font-size: 16px; text-transform: none; letter-spacing: 0; }
.market-head .facts {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  color: var(--dim);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}
.market-head .facts b { color: var(--ink); font-weight: 600; }
.chart-head { display: flex; align-items: baseline; gap: 10px; }
.chart-head select { margin-left: auto; }
.chart { min-height: 200px; }
.chart svg { display: block; width: 100%; height: auto; }
.chart .empty { padding: 60px 0; text-align: center; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 700px) { .split { grid-template-columns: 1fr; } }

/* Tables ------------------------------------------------------------------ */
table { width: 100%; border-collapse: collapse; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; }
td { padding: 2px 4px; font-variant-numeric: tabular-nums; }
td.num { text-align: right; }
tr.bid td.px { color: var(--yes); }
tr.ask td.px { color: var(--no); }
tr.spread td { color: var(--dim); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.tape .mint { color: var(--yes); }
.tape .burn { color: var(--no); }
.tape .transfer { color: var(--dim); }
.depth { display: inline-block; height: 9px; vertical-align: middle; border-radius: 2px; }
tr.bid .depth { background: #24502f; }
tr.ask .depth { background: #57241f; }

/* Account ----------------------------------------------------------------- */
.balances { display: grid; grid-template-columns: 1fr auto; gap: 2px 10px; font-variant-numeric: tabular-nums; }
.balances .k { color: var(--dim); }
.balances .v { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; text-align: right; }

.ticket .row, .forecast { display: flex; gap: 8px; margin-bottom: 8px; }
.ticket label, .forecast label { display: flex; flex-direction: column; gap: 2px; font-size: 11px; color: var(--dim); flex: 1; }
.forecast { align-items: flex-end; }
.ticket button { width: 100%; }

.stack { display: flex; flex-direction: column; gap: 6px; margin-bottom: 4px; }
.stack label { display: flex; flex-direction: column; gap: 2px; font-size: 11px; color: var(--dim); }
.stack .row { display: flex; gap: 8px; }
/* `min-width: 0` because a flex item will not shrink below the intrinsic width
   of its content, and an <input> reports a stubbornly wide one — without it a
   two-field row pushes straight out of the panel. */
.stack .row label { flex: 1; min-width: 0; }
.stack input, .stack select { width: 100%; }
.stack button { margin-top: 4px; }
#admin .code { font-size: 13px; margin: 8px 0 0; }
.due td { color: var(--dim); }
.due .overdue { color: var(--warn); }

.note { color: var(--dim); font-size: 11px; margin: 6px 0 0; }
.note.bad { color: var(--no); }
.note.good { color: var(--yes); }
.empty { color: var(--dim); font-style: italic; }

dialog {
  background: var(--panel);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 8px;
  max-width: 460px;
}
dialog h2 { color: var(--ink); font-size: 15px; letter-spacing: 0; text-transform: none; }
dialog label { display: block; margin: 10px 0; font-size: 12px; color: var(--dim); }
dialog .row { display: flex; gap: 8px; margin-top: 12px; }
dialog .row button { flex: 1; }
dialog details { margin-top: 16px; border-top: 1px solid var(--line); padding-top: 10px; }
dialog a { color: var(--accent); }
.dim { color: var(--dim); font-weight: 400; }

/* The recovery code is read off the screen and written down, so it is set
   large, spaced, and in a font where 0 and O cannot be confused — the alphabet
   excludes O, but the reader does not know that. */
.code {
  display: block;
  margin: 14px 0;
  padding: 12px;
  background: #10131a;
  border: 1px solid var(--accent);
  border-radius: 4px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 16px;
  letter-spacing: 0.14em;
  text-align: center;
  word-break: break-all;
  user-select: all;
}
.ack { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--ink); }
.ack input { width: auto; }
#recovery-done { width: 100%; margin-top: 12px; }
dialog summary { color: var(--dim); font-size: 12px; cursor: pointer; }
dialog input { width: 100%; margin-top: 4px; }
dialog::backdrop { background: rgba(0, 0, 0, 0.6); }