/* FX Quant Terminal - design system.
 * Tokens, header, controls and stat strip are copied from the Career Semi
 * Quant Terminal (public/quant-terminal/css/terminal.css) so both terminals
 * look like one product and match nithinpuru.github.io: Computer Modern
 * (KaTeX_Main text, KaTeX_Typewriter numbers/labels), the site's light/dark
 * switch (html[data-theme], localStorage "theme"), colour only for meaning. */

@font-face { font-family: "KaTeX_Main"; src: url("/fonts/KaTeX_Main-Regular.woff2") format("woff2"); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: "KaTeX_Main"; src: url("/fonts/KaTeX_Main-Bold.woff2") format("woff2"); font-weight: 700; font-style: normal; font-display: swap; }
@font-face { font-family: "KaTeX_Main"; src: url("/fonts/KaTeX_Main-Italic.woff2") format("woff2"); font-weight: 400; font-style: italic; font-display: swap; }
@font-face { font-family: "KaTeX_Typewriter"; src: url("/fonts/KaTeX_Typewriter-Regular.woff2") format("woff2"); font-weight: 400; font-style: normal; font-display: swap; }

/* ─── Tokens ─────────────────────────────────────────────────────────────── */
:root, :root[data-theme="light"] {
  color-scheme: light;
  --page: #f4f6f9;  --card: #ffffff;  --well: #f4f6f9;  --raise: #eef1f6;
  --ink: #131c28;   --ink-2: #3d4756; --ink-3: #5b6676; --ink-4: #6c7584;
  --rule: rgba(19, 28, 40, 0.12);     --rule-strong: rgba(19, 28, 40, 0.26);
  --accent: #1f4fd1; --accent-wash: rgba(31, 79, 209, 0.07);
  --up: #077a5d; --down: #b42318; --warn: #a15600; --violet: #7b3fd0; --teal: #0e7490; --pink: #b83280;
  --ink-rgb: 19, 28, 40; --accent-rgb: 31, 79, 209; --up-rgb: 11, 138, 107; --down-rgb: 180, 35, 24; --warn-rgb: 184, 98, 0; --violet-rgb: 123, 63, 208;
  --tooltip-bg: #131c28; --tooltip-ink: #f2f5fa;
  --shadow: 0 1px 2px rgba(19, 28, 40, 0.05), 0 6px 18px rgba(19, 28, 40, 0.06);
  --shadow-hi: 0 2px 4px rgba(19, 28, 40, 0.06), 0 14px 34px rgba(19, 28, 40, 0.1);
  --overlay: rgba(19, 28, 40, 0.38);
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #0f1620;  --card: #172131;  --well: #131c2a;  --raise: #1d2940;
  --ink: #f2f5fa;   --ink-2: #cfd7e3; --ink-3: #95a1b3; --ink-4: #8792a5;
  --rule: rgba(242, 245, 250, 0.1);   --rule-strong: rgba(242, 245, 250, 0.22);
  --accent: #7aa7ff; --accent-wash: rgba(122, 167, 255, 0.1);
  --up: #4fd1a8; --down: #ff8a7a; --warn: #ffb357; --violet: #b89bff; --teal: #5fc9d8; --pink: #f58fc4;
  --ink-rgb: 242, 245, 250; --accent-rgb: 122, 167, 255; --up-rgb: 79, 209, 168; --down-rgb: 255, 138, 122; --warn-rgb: 255, 179, 87; --violet-rgb: 184, 155, 255;
  --tooltip-bg: #0b111a; --tooltip-ink: #f2f5fa;
  --shadow: 0 1px 0 rgba(255, 255, 255, 0.025) inset, 0 8px 24px rgba(0, 0, 0, 0.28);
  --shadow-hi: 0 1px 0 rgba(255, 255, 255, 0.04) inset, 0 16px 40px rgba(0, 0, 0, 0.42);
  --overlay: rgba(4, 8, 14, 0.62);
}
:root {
  --serif: "KaTeX_Main", "Latin Modern Roman", "CMU Serif", Georgia, "Times New Roman", serif;
  --mono: "KaTeX_Typewriter", "Latin Modern Mono", "CMU Typewriter Text", "Courier New", monospace;
  --radius: 12px; --radius-sm: 7px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  /* Legacy aliases used by scripts and older markup */
  --bg: var(--page); --bg-2: var(--well); --bg-card: var(--card); --bg-card-solid: var(--card); --surface-2: var(--well);
  --border: var(--rule); --border-hover: var(--rule-strong);
  --text-main: var(--ink); --text-muted: var(--ink-3); --text-dim: var(--ink-4);
  --green: var(--up); --green-bright: var(--up); --red: var(--down); --blue: var(--accent); --orange: var(--warn); --purple: var(--violet); --cyan: var(--teal);
  --sans: var(--serif);
}

/* ─── Base ───────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body {
  background: var(--page); color: var(--ink);
  font: 400 15px/1.55 var(--serif);
  font-variant-numeric: lining-nums tabular-nums;
  -webkit-font-smoothing: antialiased; min-height: 100vh;
  transition: background 0.25s, color 0.25s;
}
body.modal-open { overflow: hidden; }
a { color: var(--accent); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
::selection { background: var(--accent); color: var(--card); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
* { scrollbar-width: thin; scrollbar-color: var(--rule-strong) transparent; }
::-webkit-scrollbar { width: 9px; height: 9px; }
::-webkit-scrollbar-thumb { background: var(--rule-strong); border-radius: 6px; border: 2px solid transparent; background-clip: padding-box; }
@media (prefers-reduced-motion: reduce) { *, *::before { animation: none !important; transition: none !important; } }
b, strong { font-weight: 700; }
kbd { font: 11px var(--mono); padding: 1px 6px; border: 1px solid var(--rule-strong); border-bottom-width: 2px; border-radius: 4px; color: var(--ink-2); background: var(--card); }
.g, b.g { color: var(--up); } .r, b.r { color: var(--down); } .y, b.y { color: var(--warn); } .b { color: var(--accent); }
.muted { color: var(--ink-4); }
.container { max-width: 1480px; margin: 0 auto; padding: 0 28px 56px; }

/* Section label — the portfolio's letter-spaced small caps */
.label, .tg-label, .stat-label, .m-lbl, .kpi > span, .tbl th, .range-wrap > span, .q-lbl, .r-lbl, .modal-label {
  font-family: var(--mono); font-size: 10.5px; font-weight: 400; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-3);
}

/* ─── Header ─────────────────────────────────────────────────────────────── */
header {
  position: sticky; top: 0; z-index: 100;
  display: flex; justify-content: space-between; align-items: center; gap: 18px; flex-wrap: wrap;
  padding: 12px 28px; margin-bottom: 26px;
  background: color-mix(in srgb, var(--page) 88%, transparent);
  backdrop-filter: saturate(1.2) blur(12px); -webkit-backdrop-filter: saturate(1.2) blur(12px);
  border-bottom: 1px solid var(--rule);
}
.brand { display: flex; align-items: center; gap: 14px; min-width: 0; }
.logo { width: 36px; height: 36px; border-radius: 9px; flex-shrink: 0; display: grid; place-items: center; border: 1px solid var(--rule-strong); background: var(--card); }
.logo svg { width: 20px; height: 20px; fill: none; stroke: var(--accent); stroke-width: 2.6; stroke-linecap: round; stroke-linejoin: round; }
.home-link { display: inline-block; font: 11px var(--mono); letter-spacing: 0.06em; color: var(--ink-3); text-decoration: none; }
.home-link:hover { color: var(--accent); }
h1.h-title { font: 700 21px/1.2 var(--serif); letter-spacing: -0.01em; color: var(--ink); }
.h-ts { font: 11px var(--mono); color: var(--ink-3); margin-top: 3px; display: flex; align-items: center; gap: 7px; }
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--ink-4); display: inline-block; flex-shrink: 0; }
.dot.ok { background: var(--up); box-shadow: 0 0 0 3px rgba(var(--up-rgb), 0.18); }
.dot.warn { background: var(--warn); } .dot.err { background: var(--down); }
.controls { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.range-wrap { display: flex; align-items: center; gap: 7px; }
.range-wrap select { padding: 6px 26px 6px 10px; }
.ic { width: 14px; height: 14px; vertical-align: -2px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.icon-btn { min-width: 34px; padding: 6px 9px !important; text-align: center; }

/* ─── Controls ───────────────────────────────────────────────────────────── */
.btn, .ctrl-sm-btn {
  font: 400 13.5px/1.2 var(--serif); color: var(--ink-2);
  padding: 7px 13px; border-radius: var(--radius-sm);
  border: 1px solid var(--rule-strong); background: var(--card);
  cursor: pointer; transition: color 0.15s, border-color 0.15s, background 0.15s;
  white-space: nowrap;
}
.btn:hover { color: var(--accent); border-color: var(--accent); }
.btn.on { color: var(--accent); border-color: var(--accent); background: var(--accent-wash); }
.btn-xs { padding: 3px 8px; font-size: 12px; }
.search {
  font: 400 14px var(--serif); color: var(--ink);
  padding: 7px 12px; border-radius: var(--radius-sm);
  border: 1px solid var(--rule-strong); background: var(--card); outline: none; width: 220px;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.search::placeholder { color: var(--ink-4); font-style: italic; }
.search:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-wash); }
select.search {
  width: auto; cursor: pointer; appearance: none; padding-right: 28px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238a93a1' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 9px center;
}
select.search option { background: var(--card); color: var(--ink); }
.pill {
  font: 11px var(--mono); letter-spacing: 0.06em; padding: 5px 11px; border-radius: 999px;
  border: 1px solid var(--rule-strong); color: var(--ink-2); white-space: nowrap;
}
.pill.loading { color: var(--warn); border-color: rgba(var(--warn-rgb), 0.5); animation: blink 1.4s ease-in-out infinite; }
.pill.ok { color: var(--up); border-color: rgba(var(--up-rgb), 0.45); }
.pill.err { color: var(--down); border-color: rgba(var(--down-rgb), 0.5); }
@keyframes blink { 50% { opacity: 0.55; } }
.seg { display: inline-flex; gap: 2px; padding: 3px; border-radius: 9px; border: 1px solid var(--rule); background: var(--card); flex-wrap: wrap; }
.seg .btn { border-color: transparent; background: transparent; padding: 5px 11px; }
.seg .btn.on { background: var(--accent-wash); border-color: transparent; color: var(--accent); }
.cnt { font: 11px var(--mono); color: var(--ink-4); margin-left: 4px; }
.seg .btn.on .cnt { color: var(--accent); }
.cnt:empty { display: none; }

/* ─── Intro, data banner, KPIs ───────────────────────────────────────────── */
.h-sub { font-size: 16px; line-height: 1.6; color: var(--ink-2); max-width: 820px; margin: 0 0 22px; }
.data-banner {
  display: flex; align-items: center; gap: 12px; padding: 11px 14px; margin-bottom: 18px;
  border: 1px solid var(--rule-strong); border-left-width: 3px; border-radius: var(--radius-sm); background: var(--card); font-size: 14px;
}
.data-banner .db-msg { flex: 1; }
.db-icon { width: 20px; height: 20px; border-radius: 50%; display: grid; place-items: center; font: 700 12px var(--mono); flex-shrink: 0; }
.data-banner.info { border-left-color: var(--accent); } .data-banner.info .db-icon { color: var(--accent); background: var(--accent-wash); }
.data-banner.warn { border-left-color: var(--warn); } .data-banner.warn .db-icon { color: var(--warn); background: rgba(var(--warn-rgb), 0.12); }
.data-banner.err { border-left-color: var(--down); } .data-banner.err .db-icon { color: var(--down); background: rgba(var(--down-rgb), 0.12); }

.stats { display: grid; grid-template-columns: repeat(6, 1fr); border-top: 1px solid var(--rule-strong); border-bottom: 1px solid var(--rule); margin-bottom: 26px; }
.stat { padding: 14px 18px 14px 0; }
.stat + .stat { padding-left: 18px; border-left: 1px solid var(--rule); }
.stat-val { font: 400 30px/1.15 var(--mono); color: var(--ink); margin-top: 4px; letter-spacing: -0.02em; }
.stat-val.g { color: var(--up); } .stat-val.r { color: var(--down); } .stat-val.c, .stat-val.b { color: var(--accent); }


/* ─── Pair cards ────────────────────────────────────────────────────────── */
.pairs { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 12px; margin-bottom: 26px; }
@media (min-width: 1280px) { .pairs { grid-template-columns: repeat(7, minmax(0, 1fr)); } }
.pcard {
  text-align: left; font: inherit; color: inherit; cursor: pointer;
  background: var(--card); border: 1px solid var(--rule); border-radius: var(--radius);
  padding: 13px 14px 10px; box-shadow: var(--shadow);
  transition: transform 0.22s var(--ease), box-shadow 0.22s, border-color 0.22s;
}
.pcard:hover { transform: translateY(-2px); box-shadow: var(--shadow-hi); border-color: var(--rule-strong); }
.pcard.on { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-wash), var(--shadow); }
.pc-top { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; min-width: 0; }
.pc-pair { white-space: nowrap; }
.pc-pair { font: 700 16px var(--serif); }
.pc-name { font-size: 12.5px; font-style: italic; color: var(--ink-3); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-width: 0; }
.pc-rate { font: 400 24px/1.2 var(--mono); letter-spacing: -0.02em; margin-top: 6px; }
.pc-chg { display: flex; gap: 10px; font: 11.5px var(--mono); margin-top: 3px; flex-wrap: wrap; }
.pc-chg span small { color: var(--ink-4); margin-left: 2px; }
.pc-spark { display: block; width: 100%; height: 38px; margin-top: 8px; }

/* ─── Analysis toolbar ──────────────────────────────────────────────────── */
.toolbar { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; padding: 12px 0; margin-bottom: 18px; border-top: 1px solid var(--rule-strong); border-bottom: 1px solid var(--rule); }
.tb-title { font: 700 19px var(--serif); margin-right: auto; }
.tb-title small { font: 400 12px var(--mono); color: var(--ink-3); margin-left: 8px; letter-spacing: 0.04em; }

/* ─── KPIs ──────────────────────────────────────────────────────────────── */
.kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 18px; }
.kpi { background: var(--card); border: 1px solid var(--rule); border-radius: var(--radius); padding: 14px 16px; box-shadow: var(--shadow); }
.kpi-val { font: 400 25px/1.2 var(--mono); margin-top: 6px; letter-spacing: -0.02em; }
.kpi-sub { font-size: 13px; color: var(--ink-3); margin-top: 3px; }

/* ─── Panels ────────────────────────────────────────────────────────────── */
.row { display: grid; gap: 14px; margin-bottom: 14px; }
.row.r-2-1 { grid-template-columns: 2fr 1fr; }
.row.r-1-1 { grid-template-columns: 1fr 1fr; }
.panel { background: var(--card); border: 1px solid var(--rule); border-radius: var(--radius); box-shadow: var(--shadow); display: flex; flex-direction: column; min-width: 0; }
.p-head { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; flex-wrap: wrap; padding: 13px 16px 11px; border-bottom: 1px solid var(--rule); }
.p-title { font: 700 15.5px var(--serif); }
.p-meta { font: 11px var(--mono); color: var(--ink-3); letter-spacing: 0.04em; }
.p-body { padding: 12px 16px 14px; flex: 1; }
.chart { position: relative; height: 300px; }
.chart.sm { height: 220px; }
.legend { display: flex; gap: 14px; flex-wrap: wrap; font: 11.5px var(--mono); color: var(--ink-2); padding: 8px 16px 12px; }
.legend i { display: inline-block; width: 14px; height: 2px; vertical-align: 3px; margin-right: 5px; background: currentColor; }
.legend i.dash { background: none; border-top: 2px dashed currentColor; height: 0; }

/* indicators table */
.tbl { width: 100%; border-collapse: collapse; font-size: 14px; }
.tbl th { text-align: left; padding: 0 0 8px; border-bottom: 1px solid var(--rule-strong); }
.tbl td { padding: 8px 0; border-bottom: 1px solid var(--rule); vertical-align: middle; }
.tbl td.num { font-family: var(--mono); text-align: right; padding-right: 14px; white-space: nowrap; }
.tbl tr:last-child td { border-bottom: none; }
.tag { font: 10.5px var(--mono); letter-spacing: 0.08em; text-transform: uppercase; padding: 2px 7px; border-radius: 999px; border: 1px solid var(--rule-strong); color: var(--ink-3); white-space: nowrap; }
.tag.g { color: var(--up); border-color: rgba(var(--up-rgb), 0.45); background: rgba(var(--up-rgb), 0.07); }
.tag.r { color: var(--down); border-color: rgba(var(--down-rgb), 0.45); background: rgba(var(--down-rgb), 0.07); }
.bar { height: 5px; border-radius: 3px; background: var(--well); overflow: hidden; min-width: 70px; }
.bar > span { display: block; height: 100%; border-radius: 3px; }
.composite { display: flex; justify-content: space-between; align-items: center; margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--rule-strong); }
.composite .kpi-val { margin: 0; }

/* metric grids */
.mgrid { display: grid; grid-template-columns: repeat(2, 1fr); }
.mgrid.g3 { grid-template-columns: repeat(3, 1fr); }
.mcell { padding: 10px 12px 10px 0; border-bottom: 1px solid var(--rule); }
.mgrid .mcell:nth-child(2n) { padding-left: 12px; border-left: 1px solid var(--rule); }
.mgrid.g3 .mcell { padding-left: 12px; border-left: 1px solid var(--rule); }
.mgrid.g3 .mcell:nth-child(3n+1) { padding-left: 0; border-left: none; }
.mv { font: 400 19px var(--mono); margin-top: 3px; }
.ms { font-size: 12.5px; color: var(--ink-3); font-style: italic; }

/* transfer calculator */
.calc { margin-bottom: 14px; }
.calc-body { display: grid; grid-template-columns: minmax(180px, 1.2fr) repeat(3, 1fr); gap: 14px 22px; align-items: end; }
.calc-in { display: flex; flex-direction: column; gap: 5px; }
.calc-in input { font: 400 18px var(--mono); color: var(--ink); padding: 7px 10px; border-radius: var(--radius-sm); border: 1px solid var(--rule-strong); background: var(--well); width: 100%; outline: none; }
.calc-in input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-wash); }
.calc-out { padding-left: 16px; border-left: 1px solid var(--rule); }
@media (max-width: 760px) { .calc-body { grid-template-columns: 1fr 1fr; } .calc-in { grid-column: 1 / -1; } .calc-out:nth-of-type(2) { padding-left: 0; border-left: none; } }
.note { font-size: 13.5px; color: var(--ink-3); line-height: 1.6; max-width: 900px; margin: 22px 0 0; }
.note b { color: var(--ink-2); }
.loading-veil { position: absolute; inset: 0; display: grid; place-items: center; font: 12px var(--mono); color: var(--ink-3); background: color-mix(in srgb, var(--card) 75%, transparent); border-radius: var(--radius); }

@media (max-width: 1100px) { .row.r-2-1, .row.r-1-1 { grid-template-columns: 1fr; } .kpis { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .container { padding: 0 14px 40px; } header { padding: 10px 14px; } .kpis { grid-template-columns: 1fr; } .mgrid.g3 { grid-template-columns: repeat(2, 1fr); } .mgrid.g3 .mcell { padding-left: 0; border-left: none; } .chart { height: 250px; } }