/* Clean Tape — trading-terminal theme. One stylesheet, dark by design.
   Chart series colours validated for this surface (dataviz validator, --pairs all, dark):
   --s1 #cc7a00 amber · --s2 #3987e5 blue · --s3 #d55181 magenta. */
:root {
  color-scheme: dark;
  --bg: #0a0a0b;          /* page */
  --panel: #101113;       /* panel / chart surface */
  --panel-2: #16181b;     /* panel title strip, zebra */
  --rule: #26292e;        /* hairlines */
  --rule-2: #3a3e45;      /* stronger rules, axis */
  --ink: #e8e6e1;         /* primary text */
  --ink-2: #a9a7a1;       /* secondary text */
  --muted: #6f737a;       /* labels, as-of */
  --amber: #ffa028;       /* UI accent: labels, keys, brand (text only) */
  --amber-dim: #3a2a10;   /* hot-cell / highlight background */
  --up: #3ddc84; --down: #ff5c5c;
  --good: #0ca30c; --warning: #fab219; --critical: #e5484d;
  --warn-bg: #2a220e; --fail-bg: #2c1214;
  --s1: #cc7a00; --s2: #3987e5; --s3: #d55181;
  --grid: #1e2024; --axis: #3a3e45; --surface: #101113;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --cond: "IBM Plex Sans Condensed", "Arial Narrow", system-ui, sans-serif;
}
* { box-sizing: border-box; }
html { background: var(--bg); }
body { margin: 0; background: var(--bg); color: var(--ink); font: 13px/1.45 var(--mono);
  font-variant-numeric: tabular-nums; -webkit-font-smoothing: antialiased; }
a { color: var(--amber); text-decoration: none; }
a:hover { text-decoration: underline; }
:focus-visible { outline: 2px solid var(--amber); outline-offset: 1px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
main { max-width: 1600px; margin: 0 auto; padding: 10px 12px 20px; }

/* ------------------------------------------------------------ header */
.term-head { position: sticky; top: 0; z-index: 10; background: var(--bg); border-bottom: 1px solid var(--rule-2); }
.bar { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 16px; padding: 6px 12px; }
.brand { display: inline-flex; align-items: stretch; text-decoration: none !important; font-family: var(--cond); font-weight: 700; letter-spacing: .08em; }
.brand-mark { background: var(--amber); color: #0a0a0b; padding: 2px 6px; font-size: 13px; }
.brand-name { border: 1px solid var(--amber); color: var(--amber); padding: 1px 8px; font-size: 13px; }
.cmd { display: flex; align-items: stretch; }
.cmd input { width: 170px; background: #000; color: var(--amber); border: 1px solid var(--rule-2); border-right: 0;
  font: 600 13px var(--mono); padding: 3px 8px; text-transform: uppercase; caret-color: var(--amber); }
.cmd input::placeholder { color: var(--muted); }
.cmd button { background: #1d6b2f; color: #fff; border: 0; font: 700 12px var(--cond); letter-spacing: .08em; padding: 0 10px; cursor: pointer; }
.cmd button:hover { background: #24863b; }
.stats { display: flex; flex-wrap: wrap; gap: 4px 16px; margin: 0; }
.stats div { display: flex; gap: 6px; align-items: baseline; }
.stats dt { color: var(--muted); font: 600 11px var(--cond); text-transform: uppercase; letter-spacing: .08em; }
.stats dd { margin: 0; color: var(--ink); font-weight: 600; }
#clock { color: var(--amber); }
.light { margin-left: auto; display: inline-flex; align-items: center; gap: 7px; padding: 2px 10px; font: 700 12px var(--cond);
  letter-spacing: .08em; color: var(--ink); border: 1px solid var(--rule-2); text-decoration: none !important; }
.light .dot { width: 9px; height: 9px; border-radius: 50%; box-shadow: 0 0 8px currentColor; }
.light-ok { color: var(--good); } .light-ok .dot { background: var(--good); }
.light-warn { color: var(--warning); background: var(--warn-bg); } .light-warn .dot { background: var(--warning); }
.light-fail { color: #fff; background: var(--critical); border-color: var(--critical); } .light-fail .dot { background: #fff; }
.light span:last-child { color: inherit; }

.fkeys { display: flex; flex-wrap: wrap; gap: 0; border-top: 1px solid var(--rule); background: var(--panel); }
.fkeys a { display: inline-flex; align-items: center; gap: 6px; padding: 5px 12px; color: var(--ink-2);
  font: 600 12px var(--cond); text-transform: uppercase; letter-spacing: .08em; border-right: 1px solid var(--rule); text-decoration: none !important; }
.fkeys a:hover { color: var(--ink); background: var(--panel-2); }
.fkeys a[aria-current="page"] { color: #0a0a0b; background: var(--amber); }
.fkeys a[aria-current="page"] kbd { color: #0a0a0b; border-color: #0a0a0b; }
kbd { font: 600 10px var(--mono); color: var(--amber); border: 1px solid var(--rule-2); padding: 0 3px; }
.mock { display: inline-block; font: 700 9px var(--cond); letter-spacing: .1em; padding: 0 4px; border: 1px solid currentColor; vertical-align: middle; opacity: .85; }

/* ------------------------------------------------------------ ticker tape */
.tape { overflow: hidden; border-top: 1px solid var(--rule); background: #000; white-space: nowrap; }
.tape-track { display: inline-flex; animation: tape 140s linear infinite; }
.tape:hover .tape-track, .tape:focus-within .tape-track { animation-play-state: paused; }
.tape ul { display: inline-flex; list-style: none; margin: 0; padding: 0; }
.tape li a { display: inline-block; padding: 4px 14px; border-right: 1px solid var(--rule); color: var(--ink); text-decoration: none !important; font-size: 12px; }
.tape .tn { color: var(--amber); font-family: var(--cond); font-weight: 600; text-transform: uppercase; letter-spacing: .04em; }
.tape .tl { color: var(--ink); }
@keyframes tape { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .tape-track { animation: none; } .tape { overflow-x: auto; } }

/* ------------------------------------------------------------ banners */
.banner { margin: 0; padding: 6px 12px; border-bottom: 1px solid var(--rule); }
.banner strong { font-family: var(--cond); letter-spacing: .06em; margin-right: 6px; }
.banner-fail { background: var(--fail-bg); border-left: 4px solid var(--critical); }
.banner-fail strong { color: var(--critical); }
.banner-warn { background: var(--warn-bg); border-left: 4px solid var(--warning); }
.banner-warn strong { color: var(--warning); }

/* ------------------------------------------------------------ panels */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 600px), 1fr)); gap: 10px; }
.card { background: var(--panel); border: 1px solid var(--rule); margin-bottom: 10px; min-width: 0; }
.card > :not(h2):not(.scroll):not(.chart) { margin-left: 10px; margin-right: 10px; }
.card > .chart { padding: 4px 6px; }
h2 { display: flex; justify-content: space-between; gap: 10px; align-items: baseline; margin: 0 0 4px; padding: 5px 10px;
  background: var(--panel-2); border-bottom: 1px solid var(--rule); color: var(--amber);
  font: 700 12px var(--cond); text-transform: uppercase; letter-spacing: .1em; }
h2 .muted { color: var(--muted); font-weight: 600; letter-spacing: .06em; }
.muted { color: var(--muted); }
.note { color: var(--muted); font-size: 11px; margin: 6px 0 10px; }
.prose { max-width: 900px; } .prose p, .prose li { line-height: 1.65; color: var(--ink-2); font-family: system-ui, sans-serif; font-size: 14px; }
.prose strong, .prose em { color: var(--ink); }
.prose h2 { margin-top: 12px; }

/* ------------------------------------------------------------ tables */
.scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table { border-collapse: collapse; width: 100%; }
th, td { padding: 3px 7px; text-align: right; white-space: nowrap; border-bottom: 1px solid var(--grid); }
thead th { color: var(--muted); font: 600 10px var(--cond); text-transform: uppercase; letter-spacing: .1em; border-bottom: 1px solid var(--rule-2); }
tbody tr:hover { background: #1a1c20; }
th[scope="row"] { font-weight: 500; }
th[scope="row"] a, td a.plain { color: var(--ink); }
.l { text-align: left; }
.up { color: var(--up); } .down { color: var(--down); } .flat { color: var(--ink-2); }
td.hot { background: var(--amber-dim); color: var(--amber); font-weight: 700; }
.asof { color: var(--muted); font-size: 11px; }
.spark-cell { color: var(--s1); width: 76px; padding-top: 0; padding-bottom: 0; }
.spark { display: block; }
.row-fail { background: var(--fail-bg); } .row-warn { background: var(--warn-bg); }
.row-fail:hover { background: #3a171a; }
.bad { color: var(--critical); font-weight: 700; cursor: help; }
.bad s { color: var(--ink-2); font-weight: 400; }
.warnv { cursor: help; color: var(--warning); }
.tag { font: 600 9px var(--cond); text-transform: uppercase; letter-spacing: .08em; color: var(--ink-2); border: 1px solid var(--rule-2); padding: 0 3px; vertical-align: middle; }

/* ------------------------------------------------------------ hero tiles */
.hero { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1px; margin-bottom: 10px;
  background: var(--rule); border: 1px solid var(--rule); }
.hero-tile { position: relative; display: grid; grid-template-rows: auto auto auto 1fr; gap: 2px; padding: 9px 12px 0;
  background: linear-gradient(180deg, #14161a 0%, var(--panel) 100%); color: var(--ink); text-decoration: none !important;
  min-height: 118px; overflow: hidden; }
.hero-tile::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 2px; background: var(--amber); opacity: 0; transition: opacity .15s; }
.hero-tile:hover::before, .hero-tile:focus-visible::before { opacity: 1; }
.hero-tile:hover { background: linear-gradient(180deg, #191c21 0%, #121418 100%); }
.hl { color: var(--amber); font: 600 11px var(--cond); text-transform: uppercase; letter-spacing: .1em; }
.hv { font: 600 26px/1.15 var(--mono); letter-spacing: -.01em; }
.hc { font-size: 12px; display: flex; gap: 10px; flex-wrap: wrap; }
.hs { display: block; margin: 4px -12px 0; height: 44px; color: var(--s1); }
.hs .spark { width: 100%; height: 44px; }
.hero-bad { background: var(--fail-bg); }

/* ------------------------------------------------------------ two-column overview */
.cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 620px), 1fr)); gap: 10px; align-items: start; }
.col { display: flex; flex-direction: column; min-width: 0; }

/* ------------------------------------------------------------ z bars */
th.zh, td.zc { min-width: 84px; }
td.zc { display: flex; align-items: center; justify-content: flex-end; gap: 6px; }
.zb { position: relative; flex: 0 0 40px; height: 10px; background: linear-gradient(90deg, transparent calc(50% - .5px), var(--rule-2) calc(50% - .5px), var(--rule-2) calc(50% + .5px), transparent calc(50% + .5px)); }
.zb i { position: absolute; top: 1px; bottom: 1px; background: var(--ink-2); opacity: .55; }
td.zc.hot { background: var(--amber-dim); }
td.zc.hot .zb i { background: var(--amber); opacity: 1; }
td.zc.hot .zv { color: var(--amber); font-weight: 700; }
.zv { min-width: 34px; text-align: right; }

/* ------------------------------------------------------------ movers panel */
.movers ol { list-style: none; margin: 0; padding: 0 0 4px; counter-reset: m; }
.movers li { counter-increment: m; display: flex; flex-wrap: wrap; gap: 2px 10px; align-items: baseline; padding: 5px 10px; border-bottom: 1px solid var(--grid); }
.movers li::before { content: counter(m); color: #0a0a0b; background: var(--amber); font: 700 10px var(--mono); padding: 0 5px; }
.movers li a { color: var(--ink); }
.movers .mname { font-family: var(--cond); font-weight: 600; text-transform: uppercase; letter-spacing: .04em; }
.movers .z { color: var(--amber); font-weight: 600; margin-left: auto; }
.movers .note { padding: 0 10px; }

/* ------------------------------------------------------------ controls & charts */
.chart { width: 100%; height: 380px; } .chart.small { height: 250px; }
.controls { display: flex; flex-wrap: wrap; gap: 8px 14px; align-items: center; margin: 8px 10px; }
.controls label { color: var(--muted); font: 600 11px var(--cond); text-transform: uppercase; letter-spacing: .08em; }
select, button { font: 600 12px var(--mono); color: var(--ink); background: #000; border: 1px solid var(--rule-2); padding: 3px 8px; }
select { color: var(--amber); }
.ranges { display: flex; }
.ranges button { border-right-width: 0; cursor: pointer; }
.ranges button:last-child { border-right-width: 1px; }
.ranges button:hover { background: var(--panel-2); }
button[aria-pressed="true"] { background: var(--amber); color: #0a0a0b; border-color: var(--amber); }
.sev { font: 700 11px var(--cond); letter-spacing: .06em; white-space: nowrap; }
.sev-ok { color: var(--good); } .sev-warn { color: var(--warning); } .sev-fail { color: var(--critical); }
.chk { cursor: pointer; display: inline-flex; gap: 6px; align-items: center; color: var(--ink-2); }
.chk input { accent-color: var(--amber); }

/* ------------------------------------------------------------ tiles (portfolio) */
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 0; margin-bottom: 10px; border: 1px solid var(--rule); background: var(--panel); }
.tile { padding: 8px 12px; border-right: 1px solid var(--rule); }
.tl { color: var(--muted); font: 600 10px var(--cond); text-transform: uppercase; letter-spacing: .1em; }
.tv { font: 600 22px var(--mono); color: var(--ink); }
.tv.up { color: var(--up); } .tv.down { color: var(--down); }
.tv.sev-ok { color: var(--good); } .tv.sev-warn { color: var(--warning); } .tv.sev-fail { color: var(--critical); }
tr.allok td { padding: 10px; }
.mockbox { padding: 6px 10px; border: 1px dashed var(--amber); color: var(--ink-2); margin: 0 0 10px; background: var(--panel); }
.mockbox .mock { color: var(--amber); }

/* ------------------------------------------------------------ footer status line */
.statusline { display: flex; flex-wrap: wrap; gap: 4px 18px; padding: 6px 12px; border-top: 1px solid var(--rule-2);
  background: var(--panel); color: var(--muted); font-size: 11px; }
.statusline b { color: var(--amber); font: 700 10px var(--cond); letter-spacing: .1em; margin-right: 4px; }
.statusline .grow { flex: 1; }
code { font: 12px var(--mono); color: var(--amber); }

@media (max-width: 640px) {
  .hero { grid-template-columns: 1fr 1fr; }
  .hero-tile { min-height: 96px; padding: 7px 9px 0; }
  .hv { font-size: 19px; }
  .hc .muted { display: none; }
  .hs, .hs .spark { height: 30px; } .hs { margin: 2px -9px 0; }
  .term-head { position: static; }  /* a sticky header would eat a third of a phone screen */
  h2 .muted { display: none; }
  .light { margin-left: 0; }
  .cmd input { width: 120px; }
  .stats .clock-wrap { display: none; }
  .fkeys a { padding: 5px 8px; }
  .fkeys kbd { display: none; }
}

/* ======================================================================================
   Fit-to-screen. Everything inside <main> is sized in em so one variable (--fs) scales the
   whole dashboard; app.js picks the largest --fs at which the Overview fits the window
   (body.fit), and re-fits on every resize. Header/footer stay fixed-size. Small screens
   (< 1000×560) fall back to normal scrolling.
   ====================================================================================== */
main { font-size: var(--fs, 13px); }
main th, main td { padding: .24em .55em; }
main thead th { font-size: .77em; }
main h2 { font-size: .92em; padding: .4em .77em; margin-bottom: .3em; }
main .asof, main .note { font-size: .85em; }
main .tag { font-size: .7em; }
main .card { margin-bottom: .75em; }
main .cols { gap: .75em; }
main .hero { margin-bottom: .75em; }
main .hero-tile { min-height: 9em; padding: .7em .9em 0; }
main .hl { font-size: .85em; }
main .hv { font-size: 2em; }
main .hc { font-size: .92em; }
main .hs { height: 3.4em; margin: .3em -.9em 0; }
main .hs .spark { height: 3.4em; }
main .spark-cell { width: 5.8em; }
main .spark-cell .spark { width: 5.5em; height: 1.5em; }
main th.zh, main td.zc { min-width: 6.4em; }
main .zb { flex-basis: 3em; height: .75em; }
main .zv { min-width: 2.6em; }
main .movers li { padding: .4em .77em; }
main .movers li::before { font-size: .77em; }

body.fit { height: 100vh; height: 100dvh; overflow: hidden; display: flex; flex-direction: column; }
body.fit .term-head { position: static; flex: 0 0 auto; }
body.fit .banner, body.fit .statusline { flex: 0 0 auto; }
body.fit main { flex: 1 1 auto; min-height: 0; max-width: none; width: 100%; display: flex; flex-direction: column;
  padding: .6em 12px; overflow: hidden; }
body.fit main > .hero { flex: 0 0 auto; }
body.fit main > .cols { flex: 1 1 auto; min-height: 0; align-items: stretch; }
body.fit .col { min-height: 0; overflow: hidden; }
body.fit .col > .card { flex: var(--grow, 1) 1 auto; margin-bottom: .6em; }
body.fit .col > .card:last-child { margin-bottom: 0; }
body.fit main > .note.foot { display: none; }  /* the footnote moves into a tooltip on the 'z' header */

/* Rates & Markets fill the window exactly: header/footer fixed, panels flex, charts take the
   remaining space (Plotly is responsive to its container). Small screens scroll normally. */
@media (min-width: 1000px) and (min-height: 560px) {
  body[data-page="markets"], body[data-page="rates"] { height: 100vh; height: 100dvh; overflow: hidden;
    display: flex; flex-direction: column; }
  body[data-page="markets"] .term-head, body[data-page="rates"] .term-head { position: static; }
  body[data-page="markets"] main, body[data-page="rates"] main { flex: 1 1 auto; min-height: 0; width: 100%;
    max-width: none; display: flex; flex-direction: column; gap: 10px; padding: 10px 12px; }
  body[data-page="markets"] main > .card, body[data-page="rates"] main > .card,
  body[data-page="rates"] main > .grid > .card { display: flex; flex-direction: column; min-height: 0; margin: 0; }
  body[data-page="markets"] .chart, body[data-page="rates"] .chart { flex: 1 1 auto; height: auto; min-height: 0; }
  body[data-page="markets"] main > .card:first-child { flex: 2.3 1 0; }
  body[data-page="markets"] main > .card:nth-child(2) { flex: 1 1 0; }
  /* Rates: curve chart + its table side by side on top, 5 history charts in a 3×2 grid below */
  body[data-page="rates"] main > .card:first-child { flex: 1 1 0; display: grid;
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); grid-template-rows: auto minmax(0, 1fr); }
  body[data-page="rates"] main > .card:first-child > h2 { grid-column: 1 / -1; }
  body[data-page="rates"] main > .card:first-child > .scroll { align-self: center; }
  body[data-page="rates"] main > .grid { flex: 1.25 1 0; min-height: 0; gap: 10px;
    grid-template-columns: repeat(3, minmax(0, 1fr)); grid-auto-rows: minmax(0, 1fr); }
  body[data-page="rates"] main > .grid > .card:nth-child(5):last-child { grid-column: span 2; }
}

body.fit.compact main .hs { display: none; }
body.fit.compact main .hero-tile { min-height: 0; padding-bottom: .6em; }
td.wrap { white-space: normal; min-width: 18em; line-height: 1.5; }
.banner-demo { background: var(--amber-dim); border-left: 4px solid var(--amber); color: var(--ink); }
.banner-demo strong { color: #0a0a0b; background: var(--amber); padding: 0 6px; }