/* Module 1 interactive courseware.
   Palette is the course's own (_video/manual/make_manual_cards.py):
   INK #14140f · CREAM #f4f1e8 · BRICK #b8442e · GOLD #b8946a · GREY #8a8a8a
   Ink-first, like the title cards.  Figures stay on white: they are the print artwork. */

:root {
  --ground:   #14140f;
  --raised:   #1c1c16;
  --sunk:     #0e0e0a;
  --fg:       #f4f1e8;
  --fg-dim:   #a6a297;
  --fg-faint: #6e6b62;
  --rule:     #2e2e26;
  --rule-soft:#232320;
  --brick:    #c2543e;
  --gold:     #c9a678;
  --bulls:    #c9a678;
  --bears:    #c2543e;
  --draw:     #8a8a8a;
  --up:       #4caf78;
  --down:     #e0533f;
  --focus:    #c9a678;
  --paper:    #ffffff;

  --display: "Newsreader", ui-serif, Georgia, serif;
  --sans: "Noto Sans SC", -apple-system, "PingFang SC", "Hiragino Sans GB", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --measure: 40em;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --ground:   #f4f1e8;
    --raised:   #ece8dc;
    --sunk:     #e5e0d0;
    --fg:       #14140f;
    --fg-dim:   #56544c;
    --fg-faint: #8a877c;
    --rule:     #d3cdbc;
    --rule-soft:#e0dacb;
    --brick:    #a83a26;
    --gold:     #8a6636;
    --bulls:    #8a6636;
    --bears:    #a83a26;
    --draw:     #75736b;
    --up:       #1f8a52;
    --down:     #c7331f;
    --focus:    #a83a26;
  }
}
:root[data-theme="light"] {
  --ground:   #f4f1e8;
  --raised:   #ece8dc;
  --sunk:     #e5e0d0;
  --fg:       #14140f;
  --fg-dim:   #56544c;
  --fg-faint: #8a877c;
  --rule:     #d3cdbc;
  --rule-soft:#e0dacb;
  --brick:    #a83a26;
  --gold:     #8a6636;
  --bulls:    #8a6636;
  --bears:    #a83a26;
  --draw:     #75736b;
  --up:       #1f8a52;
  --down:     #c7331f;
  --focus:    #a83a26;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body {
  margin: 0;
  background: var(--ground);
  color: var(--fg);
  font-family: var(--sans);
  font-weight: 300;
  font-size: 16.5px;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
}
:lang(en) body, html:lang(en) body { font-family: var(--display); font-weight: 400; font-size: 18.5px; line-height: 1.65; }
a { color: inherit; text-decoration-color: var(--fg-faint); text-underline-offset: 3px; }
a:hover { text-decoration-color: var(--gold); }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
img { max-width: 100%; }

/* ── top bar ─────────────────────────────────────────────────────── */
.topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding: 12px clamp(18px, 4vw, 40px);
  background: color-mix(in srgb, var(--ground) 92%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--rule);
}
.brand { font-family: var(--display); font-size: 16px; text-decoration: none; letter-spacing: .01em; }
.langs { display: flex; gap: 2px; font-family: var(--mono); font-size: 11.5px; letter-spacing: .08em; }
.langs a { padding: 4px 9px; text-decoration: none; color: var(--fg-dim); border: 1px solid transparent; }
.langs a[aria-current] { color: var(--fg); border-color: var(--rule); }

/* ── headers ─────────────────────────────────────────────────────── */
.eyebrow {
  font-family: var(--mono); font-size: 11px; letter-spacing: .16em; text-transform: uppercase;
  color: var(--fg-faint); margin: 0 0 14px;
}
.lesson-head, .home-head {
  max-width: 1180px; margin: 0 auto;
  padding: clamp(36px, 7vw, 72px) clamp(18px, 4vw, 40px) 34px;
  border-bottom: 1px solid var(--rule);
}
.lesson-head h1, .home-head h1 {
  font-family: var(--display); font-weight: 500;
  font-size: clamp(38px, 6.4vw, 66px); line-height: 1.04; letter-spacing: -.015em;
  margin: 0; text-wrap: balance;
}
.kicker { font-family: var(--display); font-size: clamp(18px, 2.2vw, 22px); color: var(--fg-dim); margin: 10px 0 0; }
.objective { max-width: 44em; color: var(--fg-dim); margin: 16px 0 0; }
.meta { list-style: none; padding: 0; margin: 22px 0 0; display: flex; flex-wrap: wrap; gap: 8px; }
.meta li { font-family: var(--mono); font-size: 11px; letter-spacing: .06em; color: var(--fg-dim); border: 1px solid var(--rule); padding: 3px 9px; }
.lede { max-width: 38em; font-size: 18px; color: var(--fg-dim); margin: 20px 0 0; }
:lang(en) .lede { font-size: 20px; }

/* ── lesson layout ───────────────────────────────────────────────── */
.layout {
  max-width: 1180px; margin: 0 auto;
  padding: 0 clamp(18px, 4vw, 40px);
  display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: clamp(28px, 5vw, 64px);
}
@media (max-width: 900px) { .layout { grid-template-columns: 1fr; } .toc { position: static !important; max-height: none !important; border-bottom: 1px solid var(--rule); padding-bottom: 20px; } }

.toc {
  position: sticky; top: 64px; align-self: start;
  max-height: calc(100vh - 80px); overflow-y: auto;
  padding: 34px 0 24px; font-family: var(--sans); font-size: 13px; line-height: 1.5;
}
.toc-h { font-family: var(--mono); font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--fg-faint); margin: 0 0 10px; }
.toc-h + ol, .toc-h + ul { margin-bottom: 26px; }
.toc ol, .toc ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 2px; }
.toc a { display: flex; gap: 8px; padding: 4px 0; color: var(--fg-dim); text-decoration: none; font-weight: 400; }
.toc a:hover { color: var(--fg); }
.toc .addr { font-family: var(--mono); font-size: 11px; color: var(--fg-faint); flex: none; min-width: 3.1em; padding-top: 1px; }
.toc .tg { font-family: var(--mono); font-size: 10.5px; letter-spacing: .08em; color: var(--gold); padding: 12px 0 4px; }
.toc .tg:first-child { padding-top: 0; }
.toc-drills a::before { content: "▸"; color: var(--gold); }
.toc-none { color: var(--fg-faint); font-size: 12.5px; margin: 0; }

/* ── prose ───────────────────────────────────────────────────────── */
.prose { padding: 34px 0 40px; min-width: 0; }
.prose > * { max-width: var(--measure); }
.prose p { margin: 0 0 1em; }
.prose strong { font-weight: 500; }
:lang(en) .prose strong { font-weight: 600; }
.prose em { color: var(--fg-dim); }
.prose ul, .prose ol { padding-left: 1.3em; margin: 0 0 1.1em; }
.prose li { margin: 0 0 .35em; }
.prose li::marker { color: var(--fg-faint); }

.prose h2 {
  font-family: var(--display); font-weight: 500;
  font-size: clamp(25px, 3vw, 31px); line-height: 1.22; letter-spacing: -.01em;
  margin: 2.4em 0 .7em; text-wrap: balance;
  display: flex; flex-wrap: wrap; align-items: baseline; gap: .5em;
}
.prose h2 .addr { font-family: var(--mono); font-size: 13px; font-weight: 400; color: var(--gold); letter-spacing: .04em; }
.prose h3 { font-family: var(--display); font-weight: 500; font-size: 21px; margin: 1.8em 0 .5em; }
.prose h4 { font-size: 16px; font-weight: 500; margin: 1.4em 0 .4em; }

.gear {
  max-width: none !important;
  margin: 3.2em 0 0 !important;
  padding: 14px 0 0; border-top: 1px solid var(--rule);
  font-family: var(--mono); font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--gold);
}
.gear + h2, .gear + h3 { margin-top: .9em; }

.prose blockquote {
  margin: 1.4em 0; padding: 2px 0 2px 20px;
  border-left: 2px solid var(--gold);
  color: var(--fg);
}
.prose blockquote p { margin: 0 0 .6em; }
.prose blockquote p:last-child { margin-bottom: 0; }

.prose code { font-family: var(--mono); font-size: .86em; background: var(--raised); padding: 1px 5px; }
.prose pre { background: var(--sunk); border: 1px solid var(--rule); padding: 14px 16px; overflow-x: auto; font-size: 13.5px; line-height: 1.6; }
.prose pre code { background: none; padding: 0; }

.tw { max-width: none !important; overflow-x: auto; margin: 1.4em 0 1.6em; }
.prose table { border-collapse: collapse; font-family: var(--sans); font-size: 14px; line-height: 1.55; min-width: 100%; }
.prose th, .prose td { text-align: left; vertical-align: top; padding: 9px 14px 9px 0; border-bottom: 1px solid var(--rule-soft); }
.prose th { font-weight: 500; color: var(--fg-dim); border-bottom-color: var(--rule); font-size: 12.5px; }
.prose td { font-variant-numeric: tabular-nums; }

/* ── figures ─────────────────────────────────────────────────────── */
.fig { max-width: none !important; margin: 2em 0 2.2em; }
.fig-media { background: var(--paper); padding: 10px; border-radius: 2px; }
.fig-media svg, .fig-media img { display: block; width: 100%; height: auto; }
.fig figcaption { max-width: var(--measure); margin-top: 10px; font-size: 14px; line-height: 1.6; color: var(--fg-dim); }
.fig-no { font-family: var(--mono); font-size: 11px; letter-spacing: .06em; color: var(--gold); margin-right: 6px; }

/* ── pager & footer ──────────────────────────────────────────────── */
.pager {
  max-width: 1180px; margin: 0 auto; padding: 28px clamp(18px, 4vw, 40px);
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px; border-top: 1px solid var(--rule);
}
.pg { display: flex; flex-direction: column; gap: 4px; text-decoration: none; padding: 16px 18px; border: 1px solid var(--rule); font-family: var(--display); font-size: 18px; }
.pg span { font-family: var(--mono); font-size: 10.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--fg-faint); }
.pg:hover { border-color: var(--gold); }
.pg.next { text-align: right; }
.build { max-width: 1180px; margin: 0 auto; padding: 18px clamp(18px, 4vw, 40px) 48px; font-family: var(--mono); font-size: 11px; line-height: 1.8; color: var(--fg-faint); }

/* ── home ────────────────────────────────────────────────────────── */
.cards { list-style: none; max-width: 1180px; margin: 0 auto; padding: 8px clamp(18px, 4vw, 40px) 40px; }
.card { border-bottom: 1px solid var(--rule); }
.card > a { display: grid; grid-template-columns: 72px 1fr; gap: 18px; padding: 26px 0; text-decoration: none; }
.card > a:hover .t { color: var(--gold); }
.num { font-family: var(--display); font-size: 54px; line-height: .9; color: var(--fg-faint); font-variant-numeric: tabular-nums; }
.ct { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.t { font-family: var(--display); font-size: clamp(24px, 3vw, 32px); line-height: 1.15; transition: color .15s; }
.s { font-family: var(--mono); font-size: 11.5px; letter-spacing: .05em; color: var(--fg-faint); }
.w { max-width: 40em; color: var(--fg-dim); margin-top: 8px; }
.badges { list-style: none; padding: 0; margin: 12px 0 0; display: flex; flex-wrap: wrap; gap: 6px; }
.badges li { font-family: var(--mono); font-size: 10.5px; letter-spacing: .06em; padding: 3px 8px; border: 1px solid var(--gold); color: var(--gold); }
.badges li.none { border-color: var(--rule); color: var(--fg-faint); }

/* ── drills ──────────────────────────────────────────────────────── */
.drill {
  max-width: none !important;
  margin: 2.6em 0 2.8em; padding: clamp(20px, 3vw, 30px);
  background: var(--raised); border: 1px solid var(--rule);
  font-family: var(--sans); font-weight: 300; font-size: 15px; line-height: 1.7;
}
:lang(en) .drill { font-size: 16px; }
.d-eyebrow { font-family: var(--mono); font-size: 10.5px; letter-spacing: .16em; text-transform: uppercase; color: var(--gold); margin: 0 0 8px; }
.d-title { font-family: var(--display); font-weight: 500; font-size: clamp(22px, 2.6vw, 27px); line-height: 1.2; margin: 0 0 8px; }
.d-rule { color: var(--fg-dim); font-size: 13.5px; max-width: 46em; margin: 0 0 20px; }
.d-rule b { color: var(--fg); font-weight: 500; }
.d-grid { display: grid; grid-template-columns: minmax(240px, 360px) 1fr; gap: clamp(20px, 3vw, 36px); align-items: start; }
.d-grid.wide { grid-template-columns: minmax(0, 2fr) minmax(240px, 1fr); }
@media (max-width: 760px) { .d-grid, .d-grid.wide { grid-template-columns: 1fr; } }
.d-stage { background: var(--sunk); border: 1px solid var(--rule); padding: 10px; }
.d-stage svg { display: block; width: 100%; height: auto; touch-action: none; }

.pips { display: flex; flex-wrap: wrap; gap: 4px; margin: 0 0 16px; }
.pip { width: 22px; height: 3px; background: var(--rule); }
.pip.ok { background: var(--gold); }
.pip.no { background: var(--brick); }
.pip.now { background: var(--fg-dim); }

.q { font-family: var(--display); font-size: 20px; line-height: 1.35; margin: 0 0 14px; }
.choices { display: flex; flex-direction: column; gap: 8px; margin: 0 0 16px; }
.choice {
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  font: inherit; font-weight: 400; text-align: left; color: var(--fg);
  background: var(--ground); border: 1px solid var(--rule); padding: 11px 14px; cursor: pointer;
}
.choice:hover:not(:disabled) { border-color: var(--gold); }
.choice:disabled { cursor: default; opacity: .45; }
.choice .k { font-family: var(--mono); font-size: 10.5px; letter-spacing: .06em; color: var(--fg-faint); }
.choice.right { opacity: 1; border-color: var(--gold); background: color-mix(in srgb, var(--gold) 14%, var(--ground)); }
.choice.wrong { opacity: 1; border-color: var(--brick); background: color-mix(in srgb, var(--brick) 14%, var(--ground)); }
.choice.picked { opacity: 1; border-color: var(--fg-dim); }

.btn {
  font-family: var(--mono); font-size: 11.5px; letter-spacing: .07em;
  background: transparent; color: var(--fg); border: 1px solid var(--rule); padding: 8px 14px; cursor: pointer;
}
.btn:hover:not(:disabled) { border-color: var(--gold); }
.btn:disabled { opacity: .4; cursor: default; }
.btn.primary { border-color: var(--gold); color: var(--gold); }

.fb { min-height: 60px; }
.fb .call { font-family: var(--display); font-size: 21px; line-height: 1.3; margin: 0 0 6px; }
.fb .why { color: var(--fg-dim); margin: 0 0 12px; max-width: 42em; }
.fb .why b { color: var(--fg); font-weight: 500; }
.fb .src { font-family: var(--mono); font-size: 11px; letter-spacing: .04em; color: var(--fg-faint); margin: 0 0 12px; }
.v-bulls, .ok-t { color: var(--bulls); }
.v-bears, .no-t { color: var(--bears); }
.v-draw { color: var(--draw); }

.tally { display: flex; flex-wrap: wrap; gap: 16px; font-family: var(--mono); font-size: 11.5px; letter-spacing: .05em; color: var(--fg-faint); border-top: 1px solid var(--rule-soft); padding-top: 10px; margin-top: 14px; }
.tally b { color: var(--fg); font-weight: 500; font-variant-numeric: tabular-nums; }
.tally .slow b, .slow-t { color: var(--brick); }

.score { border-top: 1px solid var(--rule); padding-top: 18px; margin-top: 6px; }
.score .big { font-family: var(--display); font-size: 48px; line-height: 1; margin: 0 0 8px; font-variant-numeric: tabular-nums; }
.score .big span { font-size: .42em; color: var(--fg-dim); }
.score p { color: var(--fg-dim); max-width: 44em; margin: 0 0 10px; }
.score p b { color: var(--fg); font-weight: 500; }

/* L1 lab */
.ohlc { border-collapse: collapse; font-family: var(--mono); font-size: 12.5px; width: 100%; max-width: 320px; }
.ohlc th, .ohlc td { padding: 4px 0; border-bottom: 1px solid var(--rule-soft); text-align: left; font-weight: 400; }
.ohlc th { color: var(--fg-faint); }
.ohlc td { text-align: right; font-variant-numeric: tabular-nums; }
.verdict { font-family: var(--display); font-size: clamp(26px, 3.6vw, 36px); line-height: 1.15; margin: 0; }
.verdict-sub { color: var(--fg-dim); font-size: 13.5px; margin: 4px 0 14px; }
.wickline { color: var(--fg-dim); margin: 0 0 14px; min-height: 1.7em; }
.wickline b { color: var(--fg); font-weight: 500; }
.row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin: 14px 0 0; }
.switch { display: inline-flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: 11px; letter-spacing: .08em; color: var(--fg-dim); border: 1px solid var(--rule); padding: 8px 12px; cursor: pointer; user-select: none; }
.switch input { position: absolute; opacity: 0; width: 0; height: 0; }
.switch .dot { width: 8px; height: 8px; background: var(--fg-faint); }
.switch input:checked ~ .dot { background: var(--up); box-shadow: 8px 0 0 var(--down); margin-right: 8px; }
.switch input:focus-visible ~ .dot { outline: 2px solid var(--focus); outline-offset: 3px; }
.trap { border: 1px solid var(--brick); border-left-width: 3px; padding: 12px 14px; margin-top: 14px; background: color-mix(in srgb, var(--brick) 8%, transparent); }
.trap .tag { display: block; font-family: var(--mono); font-size: 10.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--brick); margin-bottom: 4px; }
.trap p { margin: 0; }
.handle { cursor: grab; }
.handle:active { cursor: grabbing; }
.handle:focus { outline: none; }
.handle:focus-visible .grip { stroke: var(--focus); stroke-width: 2.5; }

/* L3 ranking */
.rank { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin: 0 0 16px; }
@media (max-width: 700px) { .rank { grid-template-columns: 1fr; } }
.rk {
  position: relative; font: inherit; color: inherit; text-align: left;
  background: var(--sunk); border: 1px solid var(--rule); padding: 8px 8px 6px; cursor: pointer;
}
.rk:hover:not(:disabled) { border-color: var(--fg-faint); }
.rk.set { border-color: var(--gold); }
.rk:disabled { cursor: default; }
.rk svg { display: block; width: 100%; height: auto; }
.rk .slot {
  position: absolute; top: 8px; left: 8px; width: 28px; height: 28px; display: grid; place-items: center;
  font-family: var(--display); font-size: 17px; background: var(--ground); border: 1px solid var(--rule); color: var(--fg-faint);
}
.rk.set .slot { border-color: var(--gold); color: var(--gold); }
.rk .res { font-family: var(--mono); font-size: 11px; line-height: 1.6; color: var(--fg-dim); padding: 6px 2px 0; }
.rk .res b { color: var(--fg); font-weight: 500; }
.rk.hit .slot { background: var(--gold); color: var(--ground); border-color: var(--gold); }
.rk.miss .slot { background: var(--brick); color: var(--ground); border-color: var(--brick); }

/* charts */
.chart .grid { stroke: var(--rule-soft); stroke-width: 1; }
.chart .tick { fill: var(--fg-faint); font-family: var(--mono); font-size: 10px; }
.chart .cd line { stroke: var(--fg); stroke-width: 1; }
.chart .cd rect { stroke: var(--fg); stroke-width: 1; }
.chart .cd.up rect { fill: var(--sunk); }
.chart .cd.dn rect { fill: var(--fg); }
.chart .cd.hl line, .chart .cd.hl rect { stroke: var(--gold); stroke-width: 2; }
.chart .cd.hl.dn rect { fill: var(--gold); }
.chart .cd.nx line, .chart .cd.nx rect { stroke: var(--fg-dim); }
.chart .cd.nx.dn rect { fill: var(--fg-dim); }
.chart .cd.poke line, .chart .cd.poke rect { stroke: var(--brick); }
.chart .cd.poke.dn rect { fill: var(--brick); }
.chart .vol { fill: var(--fg-faint); opacity: .5; }
.chart .vol.nx { opacity: .28; }
.chart .lvl { stroke: var(--fg); stroke-width: 1.2; }
.chart .low { stroke: var(--brick); stroke-width: 1; stroke-dasharray: 5 3; }
.chart .lvl-t { fill: var(--fg); font-family: var(--mono); font-size: 10.5px; paint-order: stroke; stroke: var(--sunk); stroke-width: 3px; stroke-linejoin: round; }
.chart .sep { stroke: var(--fg-faint); stroke-width: 1; stroke-dasharray: 2 4; }
.chart .sep-t { fill: var(--fg-faint); font-family: var(--mono); font-size: 10px; }
.chart .shade { fill: var(--fg); opacity: .04; }

.band { fill: var(--fg); }
.band-t { fill: var(--fg-faint); font-family: var(--sans); font-size: 9.5px; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition-duration: .01ms !important; }
}

/* gear markers left by demoji() ([基础] / [进阶] …), shown as chips */
.mk {
  font-family: var(--mono); font-size: .68em; font-weight: 400; letter-spacing: .08em;
  padding: 1px 6px; border: 1px solid var(--gold); color: var(--gold);
  vertical-align: .12em; white-space: nowrap;
}

/* wide tracking is for Latin caps; CJK labels read one-character-at-a-time with it */
:lang(zh) .eyebrow, :lang(zh) .toc-h, :lang(zh) .meta li, :lang(zh) .gear,
:lang(zh) .d-eyebrow, :lang(zh) .toc .tg, :lang(zh) .pg span, :lang(zh) .badges li,
:lang(zh) .s, :lang(zh) .choice .k, :lang(zh) .tally, :lang(zh) .trap .tag { letter-spacing: .03em; }

/* ── second wave: mastery drills and traps ───────────────────────── */
.seg { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin: 0 0 10px; }
.seg-h { font-family: var(--mono); font-size: 10.5px; letter-spacing: .06em; color: var(--fg-faint); min-width: 4.8em; }
.choice.sm { padding: 6px 10px; font-size: 13.5px; }
.choice.sel { border-color: var(--gold); background: color-mix(in srgb, var(--gold) 8%, var(--ground)); }
.choices.row { flex-direction: row; flex-wrap: wrap; }
.choices.row .choice { flex: 1 1 120px; justify-content: center; }
.subdrill { margin-top: 28px; padding-top: 24px; border-top: 1px solid var(--rule); }
.rk.static { cursor: default; }
.steps { list-style: none; padding: 0; margin: 0 0 14px; display: flex; flex-direction: column; gap: 6px; }
.steps li { color: var(--fg-faint); }
.steps li.on { color: var(--fg); font-weight: 400; }
.steps li.done { color: var(--gold); }
.d-stage.clickable svg { cursor: crosshair; }
.ohlc.wide { max-width: 440px; }
.ohlc.wide td { text-align: center; }

.chart .mine { stroke: var(--gold); stroke-width: 1.4; stroke-dasharray: 4 3; }
.chart .edge { stroke: var(--fg-dim); stroke-width: 1; stroke-dasharray: 6 3; }
.chart .vl { stroke: var(--rule); stroke-width: 1; stroke-dasharray: 2 3; }
.chart .ln { fill: none; stroke: var(--gold); stroke-width: 1.4; }
.chart .ln.nx { stroke: var(--fg-dim); }
.chart .ref { stroke: var(--fg-faint); stroke-width: 1; stroke-dasharray: 3 3; }
.chart .ref-t { fill: var(--fg-faint); font-family: var(--mono); font-size: 9.5px; }
.chart .vavg { stroke: var(--brick); stroke-width: 1; stroke-dasharray: 4 2; }
.chart .cd.pick line, .chart .cd.pick rect { stroke: var(--gold); stroke-width: 2; stroke-dasharray: 2 2; }
.chart .cd.nx.hl line, .chart .cd.nx.hl rect { stroke: var(--gold); }

/* ── MU replay ───────────────────────────────────────────────────── */
.mu-wrap { max-width: 1180px; margin: 0 auto; padding: 26px clamp(18px, 4vw, 40px) 8px; }
.mu-intro { max-width: 46em; color: var(--fg-dim); margin: 0 0 6px; }
.mu-intro strong { color: var(--fg); font-weight: 500; }
.mu-bar { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin: 0 0 14px; }
.chip {
  font-family: var(--sans); font-size: 12.5px; padding: 5px 11px; cursor: pointer;
  background: transparent; color: var(--fg-faint); border: 1px solid var(--rule);
}
.chip.on { color: var(--fg); border-color: var(--gold); }
.chip.done { color: var(--gold); }
.chip:disabled { cursor: default; opacity: .45; }
.mu-ctl { margin-left: auto; display: flex; gap: 6px; }
.mu-line { margin: 0 0 10px; font-size: 14.5px; line-height: 1.7; color: var(--fg); }
.mu-line b { font-weight: 500; color: var(--gold); margin-right: 2px; }
.mu-line strong { font-weight: 500; }
.mu-after { margin-top: 20px; }
.mu-after:empty { display: none; }
.mu-after .fig { margin: 8px 0 16px; }
.mu-score th { font-weight: 400; color: var(--fg-dim); }
.spoil { margin: 36px 0 0; padding-top: 16px; border-top: 1px solid var(--rule); }
.spoil > summary { cursor: pointer; font-family: var(--mono); font-size: 12px; letter-spacing: .05em; color: var(--fg-dim); }
.spoil > summary:hover { color: var(--fg); }
.spoil h2 { margin-top: 1.8em; }
.chart .tag-t { fill: var(--gold); font-family: var(--display); font-size: 13px; paint-order: stroke; stroke: var(--sunk); stroke-width: 3px; stroke-linejoin: round; }
.chart .ln2 { fill: none; stroke: var(--fg-dim); stroke-width: 1; stroke-dasharray: 4 3; }
.chart .ln-t { fill: var(--gold); font-family: var(--mono); font-size: 10px; }
.chart .ln2-t { fill: var(--fg-faint); font-family: var(--mono); font-size: 10px; }
@media (max-width: 760px) { .mu-ctl { margin-left: 0; width: 100%; } .mu-ctl .btn { flex: 1; } }

/* Andy's own Discord commentary inside the MU replay */
.mu-quote { margin: 10px 0 12px; padding: 8px 0 8px 14px; border-left: 2px solid var(--gold); }
.mu-quote p { margin: 0 0 4px; font-family: var(--display); font-size: 16px; line-height: 1.5; color: var(--fg); font-style: italic; }
.mu-quote cite { display: block; font-style: normal; font-family: var(--mono); font-size: 10.5px; letter-spacing: .03em; color: var(--fg-faint); }

/* ── MU replay · 10/20 EMA overlays and live commentary ─────────── */
:root { --ema10: #74c29b; --ema20: #7aa6d6; }
@media (prefers-color-scheme: light) { :root:not([data-theme="dark"]) { --ema10: #2c8560; --ema20: #3466a3; } }
:root[data-theme="light"] { --ema10: #2c8560; --ema20: #3466a3; }

.mu-tog { display: flex; flex-wrap: wrap; gap: 6px; margin-left: auto; }
.mu-tog + .mu-ctl { margin-left: 0; }
.tog {
  display: inline-flex; align-items: center; gap: 7px; cursor: pointer;
  font-family: var(--mono); font-size: 11px; letter-spacing: .03em;
  padding: 5px 10px; background: transparent; color: var(--fg-faint); border: 1px solid var(--rule);
}
.tog.on { color: var(--fg); border-color: var(--fg-faint); }
.tog .sw { width: 14px; height: 2px; background: var(--fg-faint); }
.tog.on .sw-e10 { background: var(--ema10); }
.tog.on .sw-e20 { background: var(--ema20); }
.tog .sw-talk { width: 7px; height: 7px; transform: rotate(45deg); }
.tog.on .sw-talk { background: var(--gold); }
.chart .ov { fill: none; stroke-width: 1.5; }
.chart .ov.ema10 { stroke: var(--ema10); }
.chart .ov.ema20 { stroke: var(--ema20); }
.chart .pin { fill: var(--gold); }

.mu-talk {
  min-height: 78px; margin: 0 0 10px; padding: 9px 14px;
  border-left: 2px solid var(--gold); background: color-mix(in srgb, var(--gold) 6%, transparent);
  opacity: 0; transition: opacity .35s ease;
}
.mu-talk.on { opacity: 1; }
.mu-talk-q { margin: 0 0 4px; font-family: var(--display); font-style: italic; font-size: 16.5px; line-height: 1.45; color: var(--fg); }
.mu-talk-cite { margin: 0; font-family: var(--mono); font-size: 10.5px; color: var(--fg-faint); }
@media (prefers-reduced-motion: reduce) { .mu-talk { transition: none; } }

/* L5.3 · which top is this */
.chart .ov.s20 { fill: none; stroke: var(--fg-faint); stroke-width: 1.2; }
.chart .ov.l5e10 { fill: none; stroke: var(--gold); stroke-width: 1.1; }
.score ul.fam { list-style: none; padding: 0; margin: 8px 0 12px; font-family: var(--mono); font-size: 12.5px; line-height: 1.8; }
.choices.v2 { margin-top: 6px; }