/* PFPS UI layer — 2026-10-04 redesign of Free Tools, Prop Firms and Learn pages.
   Loaded AFTER each page's inline <style>, so it re-skins shared patterns without
   touching per-page markup. Tokens come from each page's :root (same everywhere).
   Rules: one container width, one card style, numbers in mono, one accent job
   (primary action), status colour only for status. See /DESIGN.md. */

:root {
  --ui-radius: 8px;
  --ui-radius-sm: 6px;
  --ui-line: rgba(236,239,239,.09);
  --ui-line-strong: rgba(236,239,239,.16);
  --ui-panel: #101213;
  --ui-panel-2: #151819;
  --ui-measure: 720px;
  --ui-wrap: 1200px;
  --ui-ring: 0 0 0 2px #0B0C0D, 0 0 0 4px #4FA8C4;
}

/* ---------- Page frame ---------- */
main { max-width: var(--ui-wrap); padding-top: 104px; }
.kicker, .eyebrow {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: .72rem; font-weight: 500; letter-spacing: .14em;
  color: var(--accent2, #4FA8C4);
}
main h1 { font-size: clamp(1.9rem, 4.2vw, 2.7rem); letter-spacing: -.02em; line-height: 1.12; }
.lede { max-width: 62ch; font-size: 1.05rem; line-height: 1.6; margin-bottom: 36px; }

/* Breadcrumb */
.crumb, .breadcrumb { font-size: .8rem; color: var(--muted2, rgba(236,239,239,.54)); margin-bottom: 18px; }
.crumb a, .breadcrumb a { color: inherit; text-decoration: none; }
.crumb a:hover, .breadcrumb a:hover { color: var(--text); text-decoration: underline; }

/* Visible keyboard focus everywhere */
a:focus-visible, button:focus-visible, select:focus-visible, input:focus-visible, summary:focus-visible {
  outline: none; box-shadow: var(--ui-ring); border-radius: var(--ui-radius-sm);
}

/* ---------- Hub pages (tools index, prop firms, learn) ---------- */
.hub-head { max-width: 760px; margin-bottom: 40px; }
.hub-section { margin: 0 0 44px; }
.hub-section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px;
  border-bottom: 1px solid var(--ui-line); padding-bottom: 12px; margin-bottom: 18px; }
.hub-section-head h2 { margin: 0; font-size: 1.05rem; font-weight: 600; letter-spacing: 0; }
.hub-section-head span { font-size: .8rem; color: var(--muted2); font-family: 'JetBrains Mono', monospace; }
.hub-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }
.hub-card {
  display: flex; flex-direction: column; gap: 6px; min-height: 132px;
  background: var(--ui-panel); border: 1px solid var(--ui-line); border-radius: var(--ui-radius);
  padding: 18px 18px 16px; text-decoration: none; color: var(--text);
  transition: border-color .15s, background .15s, transform .15s;
}
.hub-card:hover { border-color: var(--ui-line-strong); background: var(--ui-panel-2); transform: translateY(-1px); }
.hub-card .hc-top { display: flex; align-items: center; gap: 10px; }
.hub-card .hc-ico { width: 30px; height: 30px; flex: none; display: grid; place-items: center;
  border: 1px solid var(--ui-line); border-radius: var(--ui-radius-sm); color: var(--accent2, #4FA8C4); }
.hub-card .hc-ico svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.hub-card h3 { margin: 0; font-size: .98rem; font-weight: 600; line-height: 1.3; }
.hub-card p { margin: 0; font-size: .85rem; line-height: 1.5; color: var(--muted); flex: 1; }
.hub-card .hc-meta { font-family: 'JetBrains Mono', monospace; font-size: .72rem; color: var(--muted2); letter-spacing: .02em; }
.hub-card .hc-go { font-size: .8rem; font-weight: 600; color: var(--text); margin-top: 4px; }
.hub-card:hover .hc-go { color: var(--accent2, #4FA8C4); }
.hub-tag { font-family: 'JetBrains Mono', monospace; font-size: .66rem; letter-spacing: .08em; text-transform: uppercase;
  padding: 2px 7px; border-radius: 4px; border: 1px solid var(--ui-line-strong); color: var(--muted); margin-left: auto; }
.hub-tag.new { color: #30d158; border-color: rgba(48,209,88,.35); }

.hub-banner { display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap;
  background: var(--ui-panel); border: 1px solid var(--ui-line); border-left: 3px solid var(--accent2, #4FA8C4);
  border-radius: var(--ui-radius); padding: 18px 20px; margin: 8px 0 44px; text-decoration: none; color: var(--text); }
.hub-banner b { display: block; font-size: .95rem; font-weight: 600; }
.hub-banner small { color: var(--muted); font-size: .84rem; }
.hub-banner .hb-go { font-size: .85rem; font-weight: 600; white-space: nowrap; }

/* Filter chips (learn hub, glossary) */
.chip-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 24px; }
.chip { font: inherit; font-size: .82rem; cursor: pointer; color: var(--muted); background: transparent;
  border: 1px solid var(--ui-line-strong); border-radius: 999px; padding: 6px 14px; min-height: 36px; }
.chip:hover { color: var(--text); border-color: var(--muted2); }
.chip[aria-pressed="true"] { background: var(--text); color: #0B0C0D; border-color: var(--text); font-weight: 600; }
.chip .n { font-family: 'JetBrains Mono', monospace; font-size: .72rem; opacity: .65; margin-left: 6px; }

/* ---------- Calculators ---------- */
.tool-header { max-width: 760px; }
.tool-grid { grid-template-columns: minmax(320px, 400px) minmax(0, 1fr); gap: 32px; margin-top: 8px; align-items: start; }
.tool-calc-col { top: 72px; }
.calc {
  background: var(--ui-panel); border: 1px solid var(--ui-line); border-radius: var(--ui-radius);
  padding: 22px 22px 20px; margin-bottom: 0;
}
.calc .field-row, .tool-calc-col .field-row { gap: 14px; margin-bottom: 14px; }
.calc label, label { font-size: .72rem; letter-spacing: .08em; color: var(--muted2); font-weight: 600; }
select, input[type=number], input[type=text] {
  background: var(--ui-panel-2); border: 1px solid var(--ui-line-strong); border-radius: var(--ui-radius-sm);
  min-height: 44px; font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: .92rem; font-variant-numeric: tabular-nums;
}
select { font-family: inherit; }
select:focus, input[type=number]:focus, input[type=text]:focus { border-color: var(--accent2, #4FA8C4); box-shadow: var(--ui-ring); outline: none; }
.calc-btn, .btn-calc { min-height: 46px; border-radius: var(--ui-radius-sm); margin-top: 6px; }

/* Output panel (JS moves .results here on desktop) */
.tool-out { min-width: 0; }
.tool-out .tool-empty {
  border: 1px dashed var(--ui-line-strong); border-radius: var(--ui-radius); padding: 56px 24px; text-align: center; color: var(--muted2);
}
.tool-out .tool-empty b { display: block; color: var(--muted); font-weight: 600; margin-bottom: 6px; font-size: 1rem; }
.tool-out:has(.results.show) .tool-empty { display: none; }
.tool-out .results { margin: 0; padding: 0; border: 0; }
.tool-out .results.show { display: block; }
.result-grid { gap: 12px; }
.tool-out .result-grid { grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); }
.result-card { border-radius: var(--ui-radius); text-align: left; padding: 16px 16px 14px; }
.result-value { font-family: 'JetBrains Mono', ui-monospace, monospace; font-variant-numeric: tabular-nums; font-size: 1.55rem; letter-spacing: -.02em; }
.risk-table { border-collapse: separate; border-spacing: 0; width: 100%; border: 1px solid var(--ui-line); border-radius: var(--ui-radius); overflow: hidden; }
.risk-table th, .risk-table td { border: 0; border-bottom: 1px solid var(--ui-line); font-variant-numeric: tabular-nums; }
.risk-table tr:last-child td { border-bottom: 0; }

/* Explainer + CTAs under the output */
.tool-content-col { max-width: none; }
.tool-out ~ .tool-content-col, .tool-about { margin-top: 36px; }
.info-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; }
.info-card { background: var(--ui-panel); border: 1px solid var(--ui-line); border-radius: var(--ui-radius); padding: 16px 18px; }
.info-card.wide { grid-column: 1 / -1; }
.info-card h3 { margin: 0 0 6px; font-size: .92rem; }
.info-card p { font-size: .88rem; line-height: 1.6; margin: 0; color: var(--muted); }

/* ---------- Article pages (firm pages, guides, compare, rule changes) ---------- */
body.has-toc main { display: grid; grid-template-columns: 230px minmax(0, var(--ui-measure)); column-gap: 56px; align-content: start; }
body.has-toc main > * { grid-column: 2; min-width: 0; }
body.has-toc main > .doc-toc { grid-column: 1; grid-row: 1 / span 400; align-self: start; position: sticky; top: 84px; }
.doc-toc { font-size: .84rem; max-height: calc(100vh - 110px); overflow: auto; padding-right: 8px; }
.doc-toc .toc-label { font-family: 'JetBrains Mono', monospace; font-size: .68rem; letter-spacing: .14em; color: var(--muted2); margin-bottom: 10px; display: block; }
.doc-toc a { display: block; padding: 6px 0 6px 12px; border-left: 2px solid var(--ui-line); color: var(--muted); text-decoration: none; line-height: 1.4; }
.doc-toc a:hover { color: var(--text); }
.doc-toc a.on { color: var(--text); border-left-color: var(--accent2, #4FA8C4); font-weight: 500; }
body.has-toc main h1, body.has-toc main .lede { max-width: none; }
@media (max-width: 1020px) {
  body.has-toc main { display: block; }
  body.has-toc main > .doc-toc { position: static; max-height: none; margin: 0 0 28px; padding: 12px 14px;
    background: var(--ui-panel); border: 1px solid var(--ui-line); border-radius: var(--ui-radius); }
  .doc-toc.collapsible a { display: none; }
  .doc-toc.collapsible.open a { display: block; }
  .doc-toc .toc-label { cursor: pointer; margin: 0; }
}

main h2 { font-size: 1.32rem; letter-spacing: -.012em; margin: 56px 0 14px; padding-top: 28px; border-top: 1px solid var(--ui-line); scroll-margin-top: 80px; }
main h2:first-of-type { border-top: 0; padding-top: 0; }
main h3 { scroll-margin-top: 80px; }
main p, main li { line-height: 1.72; }
main article p, main > p { max-width: var(--ui-measure); }

/* Tables: contained, readable, numeric */
main table { width: 100%; border-collapse: separate; border-spacing: 0; border: 1px solid var(--ui-line); border-radius: var(--ui-radius); overflow: hidden; font-size: .88rem; margin: 18px 0 22px; }
main th { text-align: left; font-family: 'JetBrains Mono', monospace; font-size: .68rem; letter-spacing: .08em; text-transform: uppercase;
  font-weight: 500; color: var(--muted2); background: var(--ui-panel); padding: 10px 14px; border: 0; border-bottom: 1px solid var(--ui-line); }
main td { padding: 10px 14px; border: 0; border-bottom: 1px solid var(--ui-line); vertical-align: top; font-variant-numeric: tabular-nums; }
main tr:last-child td { border-bottom: 0; }
main tbody tr:hover td { background: rgba(236,239,239,.025); }
.table-wrap, .tbl-wrap { overflow-x: auto; }

/* Callouts: one style, one left rule */
.note, .callout, .warn-box, .info-box {
  background: var(--ui-panel); border: 1px solid var(--ui-line); border-left: 3px solid var(--accent2, #4FA8C4);
  border-radius: var(--ui-radius-sm); padding: 14px 18px; margin: 22px 0; font-size: .92rem; line-height: 1.65; color: var(--muted);
}
.warn-box { border-left-color: #ffd60a; }

/* FAQ → accordion (JS adds details when .faq-item is plain) */
div.faq-item:has(> h3) { background: var(--ui-panel); border: 1px solid var(--ui-line); border-radius: var(--ui-radius); padding: 0; margin-bottom: 8px; }
div.faq-item:has(> h3) > h3 { margin: 0; padding: 14px 18px; font-size: .95rem; cursor: pointer; display: flex; justify-content: space-between; gap: 14px; align-items: center; }
div.faq-item:has(> h3) > h3::after { content: '+'; font-family: 'JetBrains Mono', monospace; color: var(--muted2); flex: none; }
div.faq-item.open:has(> h3) > h3::after { content: '–'; }
div.faq-item:has(> h3) > :not(h3) { display: none; margin: 0; padding: 0 18px 16px; }
div.faq-item.open:has(> h3) > :not(h3) { display: block; }

/* CTA + related */
.cta-box { background: var(--ui-panel); border: 1px solid var(--ui-line-strong); border-radius: var(--ui-radius); padding: 24px; text-align: left; }
.cta-box.accent { border-color: rgba(79,168,196,.4); }
.cta-box h3 { margin-top: 0; }
.related { margin-top: 40px; }
.related ul, .related-links { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 8px; }
.related li a, .related-links a { display: block; padding: 10px 14px; background: var(--ui-panel); border: 1px solid var(--ui-line); border-radius: var(--ui-radius-sm);
  text-decoration: none; font-size: .86rem; color: var(--muted); }
.related li a:hover, .related-links a:hover { color: var(--text); border-color: var(--ui-line-strong); }

/* Key-facts strip (JS builds on firm pages) */
.keyfacts { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 1px; background: var(--ui-line);
  border: 1px solid var(--ui-line); border-radius: var(--ui-radius); overflow: hidden; margin: 0 0 30px; }
.keyfacts > div { background: var(--ui-panel); padding: 14px 16px; }
.keyfacts .kf-l { font-family: 'JetBrains Mono', monospace; font-size: .66rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted2); }
.keyfacts .kf-v { font-family: 'JetBrains Mono', monospace; font-size: 1.05rem; margin-top: 4px; font-variant-numeric: tabular-nums; }

/* ---------- Mobile ---------- */
@media (max-width: 760px) {
  main { padding-top: 88px; }
  .tool-grid { grid-template-columns: 1fr; gap: 20px; }
  .tool-calc-col { position: static; }
  .hub-grid { grid-template-columns: 1fr; }
  .hub-card { min-height: 0; }
  main h2 { margin-top: 44px; }
  .chip { min-height: 40px; }
}
@media (prefers-reduced-motion: reduce) { .hub-card { transition: none; } .hub-card:hover { transform: none; } }

main h2 { border-left: 0; padding-left: 0; }
main h2::before { content: none; }

body.has-toc main h1 { font-size: clamp(1.7rem, 3vw, 2.2rem); }

/* ---------- Learn hub (guides/index) ---------- */
.guide-search { margin: 0 0 14px; max-width: 520px; }
.guide-search input { width: 100%; min-height: 46px; padding: 0 16px; background: var(--ui-panel); border: 1px solid var(--ui-line-strong);
  border-radius: var(--ui-radius-sm); color: var(--text); font: inherit; font-size: .95rem; }
.guide-search input:focus { outline: none; border-color: var(--accent2, #4FA8C4); box-shadow: var(--ui-ring); }
.filter-bar { margin-bottom: 24px; flex-wrap: wrap; overflow: visible; }
.pill { border-radius: 999px; min-height: 36px; background: transparent; border-color: var(--ui-line-strong); }
.pill.active { background: var(--text); border-color: var(--text); font-weight: 600; }
.pill .cnt { font-family: 'JetBrains Mono', monospace; font-size: .72rem; }
.showing { font-size: .82rem; color: var(--muted2); margin-bottom: 16px; }
#guideGrid.grid { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 14px; }
.card { background: var(--ui-panel); border: 1px solid var(--ui-line); border-radius: var(--ui-radius); padding: 18px; }
.card:hover { border-color: var(--ui-line-strong); background: var(--ui-panel-2); transform: translateY(-1px); }
.card-tag { font-family: 'JetBrains Mono', monospace; font-size: .66rem; font-weight: 500; letter-spacing: .12em; color: var(--accent2, #4FA8C4); }
.card-title { font-size: .97rem; }
.card-desc { font-size: .84rem; }

.guides-body .sidebar { display: none !important; }
.guides-body { display: block; }
.guides-content { width: 100%; }

@media (max-width: 640px) {
  main table { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  main th, main td { white-space: normal; }
  .step-grid > *, .step-card, .tool-grid > *, .info-grid > * { min-width: 0; }
}

@media (max-width: 860px) { .guide-layout { grid-template-columns: minmax(0, 1fr); } .guide-body { max-width: 100%; min-width: 0; } }

/* native <details> FAQ (most pages) */
details.faq-item { border: 1px solid var(--ui-line); border-radius: var(--ui-radius); background: var(--ui-panel); margin-bottom: 8px; padding: 0 18px; }
details.faq-item:last-child { border-bottom: 1px solid var(--ui-line); }
details.faq-item summary { padding: 15px 0; font-size: .95rem; }
details.faq-item[open] summary { border-bottom: 1px solid var(--ui-line); margin-bottom: 12px; }
details.faq-item .faq-a { padding-bottom: 14px; }

/* number inputs: drop the browser spinners */
input[type=number]::-webkit-inner-spin-button, input[type=number]::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }
input[type=number] { -moz-appearance: textfield; appearance: textfield; }

/* single-column tool pages (simulator, checker): card matches the text column */
.narrow { max-width: 860px; }
main > .tool-card, main > .narrow .tool-card { max-width: 860px; margin-left: auto; margin-right: auto; }

/* related-links: no box-in-a-box */
.related { background: transparent; border: 0; padding: 0; }
.related h2, .related h3 { margin-top: 0; font-size: 1rem; }
main:has(> .tool-card) > * { max-width: 860px; margin-left: auto; margin-right: auto; }
.why-box { background: transparent; border: 0; padding: 0; }
main:has(> .tool-card) > .kicker, main:has(> .tool-card) > h1, main:has(> .tool-card) > .lede { width: 100%; }