/* 00-tokens.css */
/* Design tokens (owner: lead). Own identity: ink-blue accent, amber for XP, green/red only for price direction.
   Light and dark themes; [data-theme] on <html> forces one. Components use these variables only. */
:root {
  --bg: #F3F6FB; --surface: #FFFFFF; --ink: #15203A; --muted: #5B6780; --line: #DAE1EE; --soft: #EAEFFA;
  --accent: #3A4BDF; --accent-ink: #FFFFFF; --xp: #D9940F;
  --up: #0F9A74; --down: #DD4C3B; --good: #E3F6EF; --bad: #FCE9E6;
  /* right/wrong as TEXT: darker than the candle colors so small text passes WCAG AA (4.5:1) */
  --up-text: #087556; --down-text: #B83A2B;
  --display: "Bricolage Grotesque", "Avenir Next", system-ui, sans-serif;
  --body: "Figtree", "Segoe UI", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --radius: 14px; --radius-lg: 18px;
  --press: 0 4px 0 color-mix(in srgb, var(--accent) 60%, #000);
  --wrap: 1080px; --narrow: 720px; --gutter: 16px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0D1322; --surface: #151D31; --ink: #E7EBF5; --muted: #98A2B9; --line: #263049; --soft: #1C2540;
    --accent: #7E8CFF; --accent-ink: #0D1322; --xp: #F2B33A;
    --up: #2BC796; --down: #FF6E5D; --good: #123528; --bad: #3A1D1C;
    --up-text: #2BC796; --down-text: #FF6E5D;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0D1322; --surface: #151D31; --ink: #E7EBF5; --muted: #98A2B9; --line: #263049; --soft: #1C2540;
  --accent: #7E8CFF; --accent-ink: #0D1322; --xp: #F2B33A;
  --up: #2BC796; --down: #FF6E5D; --good: #123528; --bad: #3A1D1C;
  --up-text: #2BC796; --down-text: #FF6E5D;
  color-scheme: dark;
}

/* 10-base.css */
/* Base elements and layout (owner: lead). */
/* Self-hosted fonts (latin subset, variable weight; SIL Open Font License 1.1, see /fonts/LICENSE.txt). */
@font-face { font-family: "Figtree"; font-style: normal; font-weight: 400 700; font-display: swap; src: url("/fonts/figtree-latin.woff2") format("woff2"); }
@font-face { font-family: "Bricolage Grotesque"; font-style: normal; font-weight: 600 800; font-display: swap; src: url("/fonts/bricolage-grotesque-latin.woff2") format("woff2"); }
@font-face { font-family: "JetBrains Mono"; font-style: normal; font-weight: 500; font-display: swap; src: url("/fonts/jetbrains-mono-500-latin.woff2") format("woff2"); }
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--body); font-size: 17px; line-height: 1.55; }
h1, h2, h3 { font-family: var(--display); font-weight: 800; letter-spacing: -0.01em; line-height: 1.12; text-wrap: balance; margin: 0 0 .5em; }
h1 { font-size: clamp(30px, 5vw, 44px); }
h2 { font-size: clamp(22px, 3vw, 28px); margin-top: 1.6em; }
h3 { font-size: 20px; margin-top: 1.3em; }
p, ul, ol { margin: 0 0 1em; }
a { color: var(--accent); text-underline-offset: 2px; }
button { font: inherit; color: inherit; cursor: pointer; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
code { font-family: var(--mono); font-size: .9em; }
img, svg { max-width: 100%; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
.wrap--narrow { max-width: var(--narrow); }
main { padding: 24px 0 48px; }
.kicker { font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); font-weight: 600; margin: 0 0 6px; }
.dek { font-size: 19px; color: var(--muted); }
.byline { font-size: 14px; color: var(--muted); }
.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: 15px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; } }

/* 20-components.css */
/* Shared components (owner: lead): header, footer, buttons, cards, answer block, CTA, FAQ, sources, ladder. */
.site-header { background: var(--surface); border-bottom: 1px solid var(--line); }
.site-header__row { display: flex; align-items: center; gap: 16px; min-height: 60px; flex-wrap: wrap; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-family: var(--display); font-weight: 800; font-size: 20px; color: var(--ink); text-decoration: none; }
.site-nav { display: flex; gap: 14px; flex: 1; flex-wrap: wrap; font-weight: 600; font-size: 15px; }
.site-nav a { color: var(--muted); text-decoration: none; }
.site-nav a[aria-current] { color: var(--ink); }
.btn, .primary { display: inline-block; background: var(--accent); color: var(--accent-ink); border: 0; border-radius: var(--radius); padding: 12px 18px; font-weight: 700; text-decoration: none; box-shadow: var(--press); transition: transform .08s; text-align: center; }
.btn:active, .primary:active { transform: translateY(2px); box-shadow: none; }
.btn--small { padding: 8px 14px; font-size: 15px; }
.btn--big { padding: 15px 24px; font-size: 18px; }
.primary { width: 100%; font-size: 17px; padding: 15px; }
.primary:disabled { opacity: .45; box-shadow: none; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 10px 6px 6px; }
.answer { background: var(--soft); border-left: 4px solid var(--accent); border-radius: 0 var(--radius) var(--radius) 0; padding: 14px 18px; margin: 0 0 1.2em; }
.answer p { margin: 0; }
.callout { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 16px; margin: 0 0 1em; }
.cta { display: flex; gap: 16px; align-items: center; justify-content: space-between; flex-wrap: wrap; background: var(--surface); border: 2px solid var(--accent); border-radius: var(--radius-lg); padding: 16px 18px; margin: 2em 0; }
.cta p { margin: 4px 0 0; color: var(--muted); font-size: 15px; }
.faq__item { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 16px; margin-bottom: 8px; }
.faq__item summary { font-weight: 700; cursor: pointer; }
.faq__item p { margin: 8px 0 0; }
.sources ul { padding-left: 1.2em; font-size: 15px; }
.sources span { color: var(--muted); }
.crumbs { font-size: 14px; color: var(--muted); display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 12px; }
.crumbs a { color: var(--muted); }
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; }
.card-link { display: flex; flex-direction: column; gap: 4px; background: var(--surface); border: 1px solid var(--line); border-bottom-width: 4px; border-radius: var(--radius); padding: 14px; text-decoration: none; color: var(--ink); }
.card-link span { color: var(--muted); font-size: 15px; }
.hero { display: grid; grid-template-columns: 1.1fr 1fr; gap: 32px; align-items: center; padding-top: 16px; }
@media (max-width: 800px) { .hero { grid-template-columns: 1fr; } }
.ladder { display: flex; flex-direction: column; gap: 8px; margin: 0; padding: 0; list-style: none; }
.ladder li { display: flex; align-items: center; gap: 12px; padding: 12px 14px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--line); }
.ladder .n { font-family: var(--mono); font-size: 13px; width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; background: var(--line); color: var(--muted); flex: none; }
.ladder small { display: block; color: var(--muted); font-size: 14px; }
.stats, .path-summary { display: grid; grid-template-columns: repeat(auto-fit, minmax(90px, 1fr)); gap: 10px; margin: 0 0 1em; }
.stat { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px; text-align: center; }
.stat b { display: block; font-family: var(--display); font-size: 26px; font-variant-numeric: tabular-nums; }
.stat span { font-size: 12px; color: var(--muted); }
.site-footer { background: var(--surface); border-top: 1px solid var(--line); padding: 32px 0 24px; font-size: 15px; }
.site-footer__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 24px; }
.site-footer nav { display: flex; flex-direction: column; gap: 6px; }
.site-footer nav a { color: var(--muted); text-decoration: none; }
.site-footer nav strong a { color: var(--ink); }
.site-footer__brand p { color: var(--muted); }
.site-footer__fine, .foot-disclaimer { color: var(--muted); font-size: 13px; margin-top: 24px; text-align: center; }
@media (max-width: 640px) {
  .site-header__row { gap: 8px 12px; padding-block: 8px; }
  .brand { flex: 1; }
  .site-nav { order: 3; flex: 1 0 100%; flex-wrap: wrap; gap: 6px 16px; padding-bottom: 8px; }
  .site-nav a { white-space: nowrap; }
  .stats, .path-summary { grid-template-columns: repeat(4, 1fr); gap: 6px; }
  .stat { padding: 10px 4px; }
  .stat b { font-size: 22px; }
}
.ladder a { color: var(--ink); text-decoration: none; }
.ladder a:hover b { color: var(--accent); }
h2 a { color: inherit; text-decoration: none; }
h2 a:hover { color: var(--accent); }
.link-columns { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 8px 24px; }
.link-columns h3 { margin-top: .4em; }
.link-list { list-style: none; padding: 0; margin: 0 0 1em; display: flex; flex-wrap: wrap; gap: 8px; }
.link-list a { display: inline-block; padding: 6px 12px; border: 1px solid var(--line); border-radius: 999px; background: var(--surface); text-decoration: none; font-weight: 600; font-size: 15px; }
.skip-link { position: absolute; left: 8px; top: -60px; z-index: 10; background: var(--surface); color: var(--accent); padding: 8px 14px; border-radius: var(--radius); font-weight: 700; }
.skip-link:focus { top: 8px; }

/* 30-chart.css */
/* Candlestick charts (owner: quiz agent; used everywhere). Class names are the contract of charts/svg.js. */
svg.chart { display: block; width: 100%; height: auto; touch-action: none; user-select: none; -webkit-user-select: none; overflow: visible; }
svg.chart .axis { font-family: var(--mono); font-size: 9px; fill: var(--muted); }
svg.chart .grid { stroke: var(--line); stroke-width: 1; }
svg.chart .wick { stroke-width: 1.4; }
svg.chart .up { fill: var(--up); stroke: var(--up); }
svg.chart .down { fill: var(--down); stroke: var(--down); }
svg.chart .dim { opacity: .28; }
svg.chart .future { opacity: 0; transition: opacity .3s; }
svg.chart .hl { fill: var(--accent); opacity: .12; stroke: none; }
svg.chart .ring { fill: none; stroke: var(--accent); stroke-width: 2; stroke-dasharray: 4 3; }
svg.chart .ring.ok { stroke: var(--up); }
svg.chart .ring.no { stroke: var(--down); }
svg.chart .ring.pick { stroke: var(--accent); stroke-dasharray: none; }
svg.chart.is-interactive { cursor: pointer; }
svg.chart .ov { stroke-width: 1.6; stroke-linejoin: round; }
svg.chart .ov-1 { stroke: var(--accent); }
svg.chart .ov-2 { stroke: var(--xp); }
svg.chart .ov-band { stroke: var(--muted); stroke-dasharray: 3 3; stroke-width: 1.2; }
svg.chart .ov-mid { stroke: var(--muted); stroke-width: 1.2; }
svg.chart .lvl { stroke: var(--muted); stroke-width: 1.6; stroke-dasharray: 5 4; }
svg.chart .lvl.ok, svg.chart .lvl.support { stroke: var(--up); }
svg.chart .lvl.no, svg.chart .lvl.stop { stroke: var(--down); }
svg.chart .lvl.entry { stroke: var(--muted); }
svg.chart .lvl.target { stroke: var(--xp); }
svg.chart .lvl-label { font-family: var(--mono); font-size: 9px; fill: var(--muted); }
svg.chart .lvl-label.ok, svg.chart .lvl-label.support { fill: var(--up); }
svg.chart .lvl-label.stop { fill: var(--down); }
svg.chart .lvl-label.target { fill: var(--xp); }
svg.chart .pane { fill: var(--soft); stroke: none; opacity: .6; }
svg.chart .pane-label { font-size: 8.5px; }
svg.chart .vol { stroke: none; opacity: .75; }
svg.chart .hist { stroke: none; opacity: .55; }
svg.chart .guide { stroke: var(--muted); stroke-width: 1; stroke-dasharray: 2 3; opacity: .7; }
svg.chart .rsi, svg.chart .macd { stroke: var(--accent); stroke-width: 1.5; }
svg.chart .signal { stroke: var(--xp); stroke-width: 1.4; }
svg.chart .drag { stroke: var(--accent); stroke-width: 2.2; }
svg.chart .dragh { fill: var(--accent); stroke: none; }
svg.chart .dragtxt { font-family: var(--mono); font-size: 9.5px; fill: var(--accent-ink); }
svg.chart .handle { fill: var(--surface); stroke: var(--accent); stroke-width: 2.4; cursor: grab; }
svg.chart .handle:focus-visible, svg.chart .grabber:focus-visible { outline: none; stroke: var(--xp); }
svg.chart .tline { stroke: var(--accent); stroke-width: 2.2; }
svg.chart .tline.ok { stroke: var(--up); stroke-dasharray: 5 4; }
svg.chart .cursor { fill: none; stroke: var(--xp); stroke-width: 2; }
svg.chart .curtain { fill: var(--soft); transition: opacity .4s; }
svg.chart .qmark { font-family: var(--display); font-size: 20px; fill: var(--muted); transition: opacity .4s; }
.chart-legend { display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: 13px; color: var(--muted); padding: 4px 10px 2px; }
.chart-legend i { display: inline-block; width: 14px; height: 3px; border-radius: 2px; margin-right: 6px; vertical-align: middle; }
.chart-legend .ov-1 { background: var(--accent); } .chart-legend .ov-2 { background: var(--xp); }
.chart-legend .ov-mid { background: var(--muted); } .chart-legend .support { background: var(--up); }
.chart-legend .stop { background: var(--down); } .chart-legend .entry { background: var(--muted); } .chart-legend .target { background: var(--xp); }
.exercise-embed { margin: 0 0 1.5em; }
.exercise-embed figcaption { font-size: 14px; color: var(--muted); margin-top: 6px; }
.exercise-embed__status { font-weight: 600; margin: 8px 0 0; }
.exercise-embed__status.is-ok { color: var(--up-text); }
.exercise-embed__status.is-no { color: var(--down-text); }
.exercise-embed .opts { margin-top: 10px; }
svg.chart .zone { fill: var(--up); opacity: .14; stroke: none; }
svg.chart .grabber:focus { outline: none; }
svg.chart .dragline:focus-within .drag { stroke-width: 3.6; }
svg.chart .handle:focus { outline: none; }