/* Dip or Peak. Tokens first; dark mode follows the OS unless the reader picks a theme. */
:root {
  color-scheme: light;
  --bg: #fbfaf7; --ink: #1c1b19; --soft: #5d5a54; --rule: #e4e0d8; --link: #0b5cad;
  --card: #ffffff; --raise: #f4f1ea; --accent: #c2410c; --accent-ink: #ffffff;
  --good: #15803d; --bad: #b91c1c; --note: #fff7ed;
  --shadow: 0 1px 2px rgb(0 0 0 / .04), 0 4px 16px rgb(0 0 0 / .05);
  --serif: Charter, "Bitstream Charter", "Sitka Text", Cambria, Georgia, serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --measure: 42rem; --wide: 72rem;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #151413; --ink: #ecebe7; --soft: #a7a39b; --rule: #2e2c29; --link: #7db7f5;
    --card: #1d1c1a; --raise: #24221f; --accent: #fb923c; --accent-ink: #1c1b19;
    --good: #4ade80; --bad: #f87171; --note: #2a1f16;
    --shadow: 0 1px 2px rgb(0 0 0 / .3), 0 4px 16px rgb(0 0 0 / .25);
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #151413; --ink: #ecebe7; --soft: #a7a39b; --rule: #2e2c29; --link: #7db7f5;
  --card: #1d1c1a; --raise: #24221f; --accent: #fb923c; --accent-ink: #1c1b19;
  --good: #4ade80; --bad: #f87171; --note: #2a1f16;
  --shadow: 0 1px 2px rgb(0 0 0 / .3), 0 4px 16px rgb(0 0 0 / .25);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 5rem; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }
body { margin: 0; background: var(--bg); color: var(--ink); font: 18px/1.7 var(--serif); }
a { color: var(--link); text-underline-offset: .15em; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
h1, h2, h3, .eyebrow, .chip, .btn, .byline, nav, .toc, figcaption, .filters { font-family: var(--sans); }
h1, h2, h3 { line-height: 1.2; letter-spacing: -.01em; }
.wrap { max-width: var(--wide); margin: 0 auto; padding: 0 1rem; }

.skip { position: absolute; left: -999px; top: .5rem; background: var(--accent); color: var(--accent-ink);
        padding: .5rem 1rem; border-radius: 6px; z-index: 20; font-family: var(--sans); }
.skip:focus { left: .5rem; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--bg) 88%, transparent);
               backdrop-filter: saturate(1.4) blur(10px); -webkit-backdrop-filter: saturate(1.4) blur(10px);
               border-bottom: 1px solid var(--rule); }
.site-header .wrap { display: flex; align-items: center; gap: 1rem; height: 3.5rem; }
.brand { display: flex; align-items: center; gap: .55rem; color: var(--ink); text-decoration: none;
         font: 700 1.05rem/1 var(--sans); white-space: nowrap; }
.brand em { font-style: normal; color: var(--accent); }
.logo { width: 1.75rem; height: 1.75rem; }
.logo rect { fill: var(--accent); }
.logo path { fill: none; stroke: var(--accent-ink); stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; }
.site-header nav { display: flex; gap: .25rem; margin-left: auto; font-size: .92rem; }
.site-header nav a { color: var(--soft); text-decoration: none; padding: .45rem .6rem; border-radius: 6px; }
.site-header nav a:hover { color: var(--ink); background: var(--raise); }
.theme-toggle { flex: none; width: 2.5rem; height: 2.5rem; border: 1px solid var(--rule); border-radius: 8px;
                background: var(--card); color: var(--soft); cursor: pointer; display: grid; place-items: center; }
.theme-toggle:hover { color: var(--ink); }
.theme-toggle svg { width: 1.15rem; height: 1.15rem; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; }
.theme-toggle .moon { display: none; }
:root[data-theme="dark"] .theme-toggle .sun { display: none; }
:root[data-theme="dark"] .theme-toggle .moon { display: block; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-toggle .sun { display: none; }
  :root:not([data-theme="light"]) .theme-toggle .moon { display: block; }
}
@media (max-width: 520px) {
  .site-header nav a:first-child { display: none; }
  .site-header nav a { padding: .45rem .45rem; }
}

/* Shared bits */
.eyebrow { margin: 0 0 .5rem; color: var(--accent); font-size: .8rem; font-weight: 700;
           letter-spacing: .06em; text-transform: uppercase; }
.lede { font-size: 1.15rem; color: var(--soft); }
.chips { display: flex; flex-wrap: wrap; gap: .4rem; }
.chip { display: inline-block; font-size: .72rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase;
        padding: .3rem .55rem; border-radius: 999px; background: color-mix(in srgb, var(--accent) 14%, transparent);
        color: var(--ink); line-height: 1; }
.chip.quiet { background: var(--raise); color: var(--soft); }
.byline { color: var(--soft); font-size: .85rem; margin: 0; }
.btn { display: inline-flex; align-items: center; gap: .4rem; font-size: .9rem; font-weight: 600; line-height: 1;
       padding: .7rem 1rem; border-radius: 8px; border: 1px solid var(--rule); background: var(--card);
       color: var(--ink); text-decoration: none; cursor: pointer; min-height: 2.75rem; }
.btn:hover { border-color: var(--soft); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.note { background: var(--note); border-left: 3px solid var(--accent); padding: .9rem 1.1rem;
        border-radius: 0 8px 8px 0; margin: 1.75rem 0; font-size: .97rem; }
.note p:last-child { margin-bottom: 0; }

/* Home */
.intro { padding-top: 3.5rem; padding-bottom: 2rem; }
.intro h1 { font-size: clamp(2rem, 5vw, 3.1rem); margin: 0 0 1rem; max-width: 18ch; }
.intro .lede { max-width: 38rem; margin: 0; }

.feature { display: grid; grid-template-columns: 1.15fr 1fr; align-items: center; gap: 0; overflow: hidden;
           background: var(--card); border: 1px solid var(--rule); border-radius: 14px; box-shadow: var(--shadow);
           color: inherit; text-decoration: none; transition: transform .15s, border-color .15s; }
.feature:hover { transform: translateY(-2px); border-color: var(--soft); }
.feature-img { padding: 1rem; background: var(--raise); height: 100%; display: flex; align-items: center; }
.feature-img .chart { background: var(--card); border-radius: 8px; }
.feature-body { padding: 1.75rem 2rem; }
.feature h2 { font-size: 1.6rem; margin: 0 0 .6rem; }
.feature p { color: var(--soft); }
@media (max-width: 760px) { .feature { grid-template-columns: 1fr; } .feature-body { padding: 1.25rem; } }

.articles { padding-top: 3.5rem; padding-bottom: 4rem; }
.section-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .75rem 1rem;
                margin-bottom: 1.25rem; }
.section-head h2 { margin: 0; font-size: 1.5rem; }
.filters { display: flex; flex-wrap: wrap; gap: .4rem; }
.filter { font: 600 .85rem/1 var(--sans); padding: .55rem .85rem; min-height: 2.5rem; border-radius: 999px;
          border: 1px solid var(--rule); background: var(--card); color: var(--soft); cursor: pointer; }
.filter:hover { color: var(--ink); border-color: var(--soft); }
.filter[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: var(--bg); }
.empty { color: var(--soft); }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 20rem), 1fr)); gap: 1.25rem; }
[hidden] { display: none !important; }
.card-link { display: flex; flex-direction: column; height: 100%; overflow: hidden; background: var(--card);
             border: 1px solid var(--rule); border-radius: 12px; color: inherit; text-decoration: none;
             transition: transform .15s, border-color .15s, box-shadow .15s; }
.card-link:hover { transform: translateY(-2px); border-color: var(--soft); box-shadow: var(--shadow); }
.card-img { background: var(--raise); padding: .6rem; border-bottom: 1px solid var(--rule); }
.card-img .chart { background: var(--card); border-radius: 6px; }
.card-body { padding: 1rem 1.15rem 1.15rem; display: flex; flex-direction: column; gap: .5rem; flex: 1; }
.card h3 { margin: .2rem 0 0; font-size: 1.15rem; }
.card-link:hover h3 { color: var(--link); }
.card-body > p:not(.byline) { margin: 0; color: var(--soft); font-size: .95rem; line-height: 1.55; }
.card .byline { margin-top: auto; padding-top: .4rem; }

/* Article */
.progress { position: fixed; top: 0; left: 0; right: 0; height: 3px; z-index: 11; pointer-events: none; }
.progress div { height: 100%; width: 0; background: var(--accent); }
.post-wrap { max-width: var(--wide); margin: 0 auto; padding: 1.5rem 1rem 0;
             display: grid; grid-template-columns: minmax(0, var(--measure)); justify-content: center; gap: 3rem; }
@media (min-width: 1080px) {
  .post-wrap:not(.single) { grid-template-columns: minmax(0, var(--measure)) 14rem; }
  .toc-inline { display: none; }
}
.post-head { margin-bottom: 1.5rem; }
.back, .crumbs-old { display: inline-block; font: 600 .88rem var(--sans); color: var(--soft); text-decoration: none; margin-bottom: 1.25rem; }
.back:hover { color: var(--ink); }
.post h1 { font-size: clamp(1.9rem, 4.5vw, 2.6rem); margin: .8rem 0 .75rem; }
.dek { font-size: 1.2rem; color: var(--soft); margin: 0 0 1rem; line-height: 1.5; }

.fig { margin: 2rem 0; }
.fig.hero { margin: 0 0 2rem; }
.fig-frame { background: var(--card); border: 1px solid var(--rule); border-radius: 12px; padding: .5rem; }
figcaption { margin-top: .6rem; font-size: .85rem; color: var(--soft); line-height: 1.5; }
.fig-note { opacity: .8; font-style: italic; }
@media (min-width: 1080px) { .fig.hero { margin-left: -2rem; margin-right: -2rem; } }

.takeaways { background: var(--card); border: 1px solid var(--rule); border-top: 3px solid var(--accent);
             border-radius: 10px; padding: 1.1rem 1.35rem; margin: 0 0 2rem; }
.takeaways h2 { font-size: .8rem; text-transform: uppercase; letter-spacing: .06em; color: var(--accent); margin: 0 0 .6rem; }
.takeaways ul { margin: 0; padding-left: 1.1rem; }
.takeaways li { margin-bottom: .45rem; }
.takeaways li:last-child { margin-bottom: 0; }

.toc ol { list-style: none; margin: 0; padding: 0; }
.toc li { margin: 0; }
.toc a { display: block; padding: .35rem .75rem; border-left: 2px solid var(--rule); color: var(--soft);
         text-decoration: none; font-size: .9rem; line-height: 1.35; }
.toc a:hover { color: var(--ink); }
.toc a[aria-current="true"] { border-left-color: var(--accent); color: var(--ink); font-weight: 600; }
.toc-inline { border: 1px solid var(--rule); border-radius: 10px; padding: .25rem 1rem; margin-bottom: 2rem; background: var(--card); }
.toc-inline summary { cursor: pointer; padding: .6rem 0; font-weight: 600; font-size: .95rem; }
.toc-inline ol { padding-bottom: .75rem; }
.toc-side { display: none; }
@media (min-width: 1080px) { .toc-side { display: block; } }
.toc-side .toc { position: sticky; top: 5rem; }
.toc-title { font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--soft); margin: 0 0 .6rem; }
.to-top { display: inline-block; margin-top: 1rem; font-size: .85rem; color: var(--soft); text-decoration: none; }

.prose h2 { font-size: 1.5rem; margin: 2.75rem 0 .75rem; }
.prose h3 { font-size: 1.1rem; margin: 1.5rem 0 .4rem; }
.prose p, .prose ul, .prose ol { margin: 0 0 1.15rem; }
.prose ul, .prose ol { padding-left: 1.3rem; }
.prose li { margin-bottom: .4rem; }

.pros-cons { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin: 1.5rem 0; }
.pros-cons > div { background: var(--card); border: 1px solid var(--rule); border-radius: 10px; padding: .9rem 1.1rem; }
.pros-cons h3 { margin: 0 0 .5rem; font-size: 1rem; display: flex; align-items: center; gap: .4rem; }
.pros-cons .pros h3 { color: var(--good); }
.pros-cons .cons h3 { color: var(--bad); }
.pros-cons .pros h3::before { content: "✓"; }
.pros-cons .cons h3::before { content: "✕"; }
.pros-cons ul { margin: 0; font-size: .95rem; }
@media (max-width: 600px) { .pros-cons { grid-template-columns: 1fr; } }

/* "What to check": numbered question cards */
.checks { list-style: none; counter-reset: q; padding: 0 !important; margin: 1.25rem 0 1.75rem !important; display: grid; gap: .75rem; }
.checks li { counter-increment: q; position: relative; margin: 0 !important; background: var(--card);
             border: 1px solid var(--rule); border-radius: 10px; padding: 1rem 1.15rem 1rem 3.6rem; }
.checks li::before { content: counter(q); position: absolute; left: 1rem; top: 1rem; width: 1.8rem; height: 1.8rem;
                     border-radius: 50%; display: grid; place-items: center; font: 700 .85rem/1 var(--sans);
                     background: color-mix(in srgb, var(--accent) 16%, transparent); color: var(--accent); }
.checks strong { display: block; font-family: var(--sans); font-size: 1.02rem; margin-bottom: .25rem; }

.share { display: flex; flex-wrap: wrap; align-items: center; gap: .6rem; margin: 2.5rem 0 0; padding-top: 1.5rem;
         border-top: 1px solid var(--rule); }
.share span { font: 600 .9rem var(--sans); color: var(--soft); margin-right: .25rem; }

.read-next { padding-top: 3rem; padding-bottom: 4rem; }
.read-next > h2 { font-size: 1.4rem; margin: 0 0 1.25rem; }
.read-next .grid { max-width: calc(var(--measure) + 17rem); margin: 0 auto; }
.read-next > h2 { max-width: calc(var(--measure) + 17rem); margin-left: auto; margin-right: auto; }

/* Footer */
.site-footer { border-top: 1px solid var(--rule); color: var(--soft); font-size: .88rem; line-height: 1.6; }
.site-footer .wrap { padding-top: 1.5rem; padding-bottom: 2.5rem; max-width: var(--wide); }
.site-footer p { margin: 0 0 .5rem; max-width: 46rem; }

/* Charts (tools/charts.py). Palette validated for light and dark; up/down candles
   also differ by fill (hollow vs solid) so they never rely on colour alone. */
:root { --c-up: #1baf7a; --c-down: #e34948; --s1: #2a78d6; --s2: #eb6834; --c-grid: #e9e6df; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) { --c-up: #199e70; --c-down: #e66767; --s1: #3987e5; --s2: #d95926; --c-grid: #2a2826; }
}
:root[data-theme="dark"] { --c-up: #199e70; --c-down: #e66767; --s1: #3987e5; --s2: #d95926; --c-grid: #2a2826; }

.chart { display: block; width: 100%; height: auto; }
.chart .grid { stroke: var(--c-grid); stroke-width: 1; }
.chart .wick { stroke-width: 1.4; }
.chart .wick.up, .chart .body.up { stroke: var(--c-up); }
.chart .wick.down { stroke: var(--c-down); }
.chart .body.up { fill: var(--card); stroke-width: 1.4; }
.chart .body.down { fill: var(--c-down); }
.chart .ma1, .chart .ma2, .chart .price, .chart .avgcost { fill: none; stroke-width: 2.5; stroke-linejoin: round; stroke-linecap: round; }
.chart .ma1 { stroke: var(--s1); }
.chart .ma2 { stroke: var(--s2); }
.chart .price { stroke: var(--s1); }
.chart .avgcost { stroke: var(--s2); stroke-dasharray: 7 5; }
.chart .dot { fill: var(--s1); stroke: var(--card); stroke-width: 2; }
.chart .zone { opacity: .14; }
.chart .zone.good { fill: var(--c-up); }
.chart .zone.bad { fill: var(--c-down); }
.chart .zone.support, .chart .zone.oversold { fill: var(--s1); opacity: .16; }
.chart .zone.resist { fill: var(--s2); opacity: .18; }
.chart .lvl { stroke-width: 2; stroke-dasharray: 6 4; }
.chart .lvl.good { stroke: var(--c-up); }
.chart .lvl.bad { stroke: var(--c-down); }
.chart .lvl.ink { stroke: var(--ink); stroke-dasharray: none; stroke-width: 1.5; }
.chart .vol { fill: var(--soft); opacity: .35; }
.chart .vol.hot { fill: var(--s2); opacity: .8; }
.chart .mk.buy { fill: var(--c-up); }
.chart .mk.sell { fill: var(--c-down); }
.chart .lbl { font: 600 15px/1 system-ui, -apple-system, "Segoe UI", sans-serif; fill: var(--soft); }
/* Charts scale down on phones; enlarge their text so it stays readable. */
@media (max-width: 600px) { .fig .chart .lbl { font-size: 19px; } }
.chart .lbl.strong { fill: var(--ink); }
.chart .lbl.muted { font-weight: 400; }
.chart .zone.neutral { fill: var(--soft); opacity: .12; }
.chart .vline { stroke: var(--soft); stroke-width: 1.2; stroke-dasharray: 3 4; }
.chart .bracket { fill: none; stroke: var(--soft); stroke-width: 1.5; }
.chart .lvl.mid { stroke: var(--soft); stroke-dasharray: 2 4; }
.chart .prof { fill: var(--soft); opacity: .16; }
.chart .prof.in { fill: var(--s1); opacity: .28; }
.chart .band { fill: none; stroke: var(--s1); stroke-width: 1.8; opacity: .8; }
.chart .chan { fill: none; stroke: var(--s1); stroke-width: 2; }
.chart .divline { stroke: var(--ink); stroke-width: 2; stroke-dasharray: 5 4; }
.chart .hl { fill: none; stroke: var(--ink); stroke-width: 1.5; stroke-dasharray: 4 3; }
.filter .count { font-weight: 500; opacity: .6; margin-left: .15rem; }
.chart .xmark { fill: none; stroke: var(--c-down); stroke-width: 3; stroke-linecap: round; }
.chart .pos { fill: var(--s1); opacity: .28; }
.chart .risk { fill: var(--c-down); }

/* Ads */
.ad-slot { margin: 2.5rem 0 0; padding: .75rem 0 0; border-top: 1px solid var(--rule); min-height: 3rem; }
.ad-label { margin: 0 0 .5rem; font: 600 .7rem/1 var(--sans); letter-spacing: .06em; text-transform: uppercase; color: var(--soft); }

/* Breadcrumbs, topic links */
.crumbs { font: 600 .85rem var(--sans); color: var(--soft); margin-bottom: 1rem; display: flex; gap: .4rem; flex-wrap: wrap; }
.crumbs a { color: var(--soft); text-decoration: none; }
.crumbs a:hover { color: var(--ink); text-decoration: underline; }
a.chip { text-decoration: none; }
a.chip:hover { background: color-mix(in srgb, var(--accent) 24%, transparent); }
a.filter { text-decoration: none; display: inline-flex; align-items: center; }
.topic-others { margin-top: 3rem; }
.topic-others h2 { font-size: 1.15rem; }
.footer-topics { margin: 0 0 .5rem; font-family: var(--sans); font-size: .85rem; line-height: 1.9; }
.footer-topics span { font-weight: 600; }

/* Rule cards: one diagram per rule in "The rules, precisely" */
.rule-cards { list-style: none; counter-reset: rule; padding: 0 !important; margin: 1.25rem 0 2rem !important;
              display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 19rem), 1fr)); gap: .9rem; }
.rule-card { counter-increment: rule; margin: 0 !important; background: var(--card); border: 1px solid var(--rule);
             border-radius: 12px; overflow: hidden; display: flex; flex-direction: column; }
.rule-fig { background: var(--raise); border-bottom: 1px solid var(--rule); padding: .4rem; position: relative; }
.rule-fig::before { content: counter(rule); position: absolute; left: .55rem; bottom: .55rem; width: 1.6rem; height: 1.6rem;
                    border-radius: 50%; display: grid; place-items: center; font: 700 .8rem/1 var(--sans);
                    background: var(--accent); color: var(--accent-ink); }
.rule-fig .chart { background: var(--card); border-radius: 8px; }
.rule-text { padding: .8rem 1rem 1rem; font-size: .95rem; line-height: 1.55; }
.rule-text strong { font-family: var(--sans); }
.chart.mini .lbl { font-size: 12.5px; }
@media (max-width: 600px) { .fig .chart.mini .lbl, .chart.mini .lbl { font-size: 13px; } }
.chart .cdl.dim { opacity: .28; }
.chart .ring { fill: none; stroke: var(--accent); stroke-width: 1.8; stroke-dasharray: 4 3; }
.chart .pt { fill: var(--accent); stroke: var(--card); stroke-width: 2; }
.chart .zone.pick { fill: var(--accent); opacity: .13; }
.chart .brace { fill: none; stroke: var(--ink); stroke-width: 1.4; }
.chart .avgline { stroke: var(--ink); stroke-width: 1.4; stroke-dasharray: 5 4; }
.chart .ghostbox { fill: none; stroke: var(--soft); stroke-width: 1.4; stroke-dasharray: 3 3; }
.chart .price.thin { fill: none; stroke: var(--ink); stroke-width: 1.6; }
.chart .dimline { opacity: .3; }
.chart .lbl.ok { fill: var(--good); }
.chart .lbl.no { fill: var(--bad); }