/* Sketch-only styles layered on FinAcademy site.css */
.sketchbar{background:var(--s4);color:#111;font-size:11.5px;letter-spacing:.06em;text-transform:uppercase;text-align:center;padding:5px 12px;font-weight:650}
.brand .track{font-style:italic;font-weight:400;font-size:15px;color:var(--accent);margin-left:8px;font-family:Georgia,serif}
.brand{display:inline-flex;align-items:center;gap:0}
.brand .track-em{flex:0 0 30px;margin-left:10px}
/* Risk Track I is green: one accent for the wordmark's "Academy", eyebrows,
   card borders, buttons, exercise and lesson numbers, meters and links. The
   --s1..--s8 series colours are left alone: they are data, not chrome. */
:root{--accent:#2e7d32}
@media(prefers-color-scheme:dark){:root:not([data-theme="light"]){--accent:#56b45c}}
:root[data-theme="dark"]{--accent:#56b45c}
.track-ribbon{height:6px;background:var(--accent)}
.topnav .in{flex-wrap:wrap}
.topnav a.nl{font-size:12.5px}
.wrap h1{max-width:780px}
.wrap>.lead,.wrap>p,.wrap>.card,.wrap>.widget,.wrap>.tbl-scroll,.wrap>h2,.wrap>.pn,.wrap>.meter,.wrap>.meterlab,.wrap>.src{max-width:780px}
.k{font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.card{margin:16px 0}
.card h4{margin:4px 0 6px;font-size:16px}
.card.def{border-left:3px solid var(--accent)}
.card.formula{border-left:3px solid var(--s7)}
.card.example{border-left:3px solid var(--s3)}
.card.trap{border-left:3px solid var(--s2);background:color-mix(in srgb,var(--s2) 6%,var(--surface))}
.card.outline{border-left:3px solid var(--grid)}
.card.outline ol{margin:6px 0 0 18px;padding:0;color:var(--ink2);font-size:14px}
.card .math{font-size:17px;overflow-x:auto;padding:4px 0}
.card .note{color:var(--ink2);font-size:13.5px;margin:6px 0 0}
.ph{border-style:dashed!important;background:repeating-linear-gradient(135deg,transparent 0 10px,color-mix(in srgb,var(--ink) 3%,transparent) 10px 11px),var(--surface)}
.ph .k{color:var(--s2)}
.phtxt{color:var(--muted);font-style:italic}
.phlab{font-size:11px;color:var(--s2);text-transform:uppercase;letter-spacing:.08em;font-weight:600;margin-left:8px}
.widget.ph .figph{margin-top:10px;border:1px dashed var(--grid);border-radius:8px;padding:6px}
.widget.ph .figph svg{width:100%;height:auto;color:var(--ink2)}
.widget .ctrl input[disabled]{opacity:.5}
.tbl{width:100%;border-collapse:collapse;font-size:13.5px;margin:8px 0}
.tbl caption{text-align:left;font-weight:650;color:var(--ink);padding:6px 0;caption-side:top}
.tbl th{text-align:left;font-size:11.5px;letter-spacing:.05em;text-transform:uppercase;color:var(--muted);padding:6px 8px;border-bottom:1px solid var(--grid)}
.tbl td{padding:6px 8px;border-bottom:1px solid var(--grid);color:var(--ink2);vertical-align:top}
.tbl td.num{text-align:right;font-variant-numeric:tabular-nums}
.tbl-scroll{overflow-x:auto;margin:16px 0}
.exlist ol{margin:6px 0 0 18px;padding:0}
.exlist li{margin:4px 0;font-size:14px}
.qnum{font-weight:650;color:var(--ink)}
.src{font-size:12.5px;color:var(--muted);margin:-6px 0 18px}
.meter{height:6px;background:var(--grid);border-radius:3px;overflow:hidden;margin:14px 0 4px}
.meter span{display:block;height:100%;background:var(--accent);border-radius:3px}
.meterlab{font-size:12.5px;color:var(--muted);margin:0 0 18px}
.stats4{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:22px 0 30px}
@media(max-width:720px){.stats4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:420px){.stats4{grid-template-columns:1fr}}
.stat{background:var(--surface);border:1px solid var(--ring);border-top:3px solid var(--accent);border-radius:10px;
      padding:12px 14px 13px;display:flex;flex-direction:column;justify-content:space-between;min-height:78px}
.stat .k{font-size:10.5px;letter-spacing:.07em;text-transform:uppercase;color:var(--muted);font-weight:650;line-height:1.35}
.stat .v{font-size:30px;font-weight:700;color:var(--accent);margin-top:6px;line-height:1;font-variant-numeric:tabular-nums}
.stat .v small{font-size:13px;font-weight:600;color:var(--muted);margin-left:5px;letter-spacing:0}
.grid.cols3{grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}
.grid.cols2{grid-template-columns:repeat(auto-fill,minmax(300px,1fr));max-width:780px}
.card.lesson{text-decoration:none;color:inherit;display:block}
.card.lesson:hover{border-color:var(--accent)}
.pn{display:flex;justify-content:space-between;gap:12px;margin:34px 0 10px;font-size:14px}
.pn a{color:var(--accent);text-decoration:none;font-weight:600}
.eyebrow{font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);font-weight:650;margin:34px 0 4px}
a.card{text-decoration:none;color:inherit;display:block}
a.card h3,a.card p,a.card .k,a.card .meta{text-decoration:none}
a.card:hover{border-color:var(--accent)}
/* Read more boxes */
details.readmore{max-width:780px;margin:16px 0;border:1px solid var(--ring);border-left:3px solid var(--s3);border-radius:10px;background:var(--surface);padding:0 16px}
details.readmore summary{cursor:pointer;list-style:none;padding:11px 0;font-weight:650;color:var(--ink);font-size:14.5px;display:flex;gap:10px;align-items:center}
details.readmore summary::-webkit-details-marker{display:none}
details.readmore summary::before{content:"Read more";font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--s3);font-weight:700}
details.readmore summary::after{content:"▾";margin-left:auto;color:var(--muted);transition:transform .2s}
details.readmore[open] summary::after{transform:rotate(180deg)}
details.readmore .body{padding:0 0 14px;color:var(--ink2);font-size:14.5px;line-height:1.7}
details.readmore .body p{margin:6px 0}
/* Venn widget */
.venn-modes{display:flex;flex-wrap:wrap;gap:6px;margin:6px 0 10px}
.venn-modes button{border:1px solid var(--ring);background:var(--surface);color:var(--ink2);border-radius:8px;padding:5px 11px;font-size:13px;cursor:pointer}
.venn-modes button.on{background:var(--accent);color:#fff;border-color:var(--accent)}
/* small multiples gallery */
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px;margin:10px 0 4px}
.gallery .gitem{border:1px solid var(--grid);border-radius:10px;padding:8px 10px;background:var(--page)}
.gallery .gitem h4{margin:0 0 2px;font-size:13.5px}
.gallery .gitem p{margin:0 0 6px;font-size:12.5px;color:var(--ink2);line-height:1.45}
.gallery .gitem svg{width:100%;height:auto;display:block}
/* cheat sheets */
.cheat .cell .katex-display{overflow-x:auto;overflow-y:hidden;padding:2px 0}
.cheat .cell .katex{font-size:.96em}
.cheat .sketchbar{position:static}
@media print{.cheat .sketchbar,.cheat .topnav{display:none!important}.cheat .cell .katex-display{overflow:visible}}
.cheatlist{max-width:780px;padding-left:20px;line-height:1.9}
.cheatlist .muted{color:var(--muted);font-size:13px;margin-left:6px}
.topnav .pill+.pill{margin-left:8px}
.pill.glass{display:inline-flex;align-items:center;justify-content:center;padding:4px 8px;color:var(--ink2)}
.pill.glass:hover{color:var(--accent);border-color:var(--accent)}
.pill.glass svg{display:block}
@media print{body.cheat{font-size:10.6px}.cheat .cell{padding:4px 9px;margin-bottom:5px}.cheat .cell .katex{font-size:.91em}.cheat .cell p{margin:3.5px 0}.cheat h1{font-size:17px}.cheat .sub{margin-bottom:6px}}

/* ---------- cross-link rail (cards come from rail.js) ---------- */
.trail{position:fixed;top:96px;z-index:20;font-size:13px;max-height:calc(100vh - 110px);overflow-y:auto;scrollbar-width:none}
.trail::-webkit-scrollbar{display:none}
.trail-k{font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:9px}
.trail .fa-card{margin:0 0 10px}
.trail-toggle{color:var(--muted);font-size:12px;text-decoration:underline dotted}
.trail-toggle:hover{color:var(--ink)}
.wrap.has-rail{padding-right:312px}
@media print{.trail,.trail-toggle{display:none!important}}

/* ---------- test papers ---------- */
.qopt .ol{display:inline-block;min-width:1.3em;font-weight:700;color:var(--accent)}
.why-note{color:var(--muted);font-size:12.5px;font-style:italic;margin-left:6px}
.btn.sm{font-size:12px;padding:3px 9px}
table.data td .muted{color:var(--muted);font-size:12.5px}
.qcard .answer-row{display:flex;align-items:center;gap:10px;margin:10px 0 0}
.qcard .answer-row input{width:190px;padding:8px 10px;border:1px solid var(--ring);border-radius:8px;
  background:var(--page);color:var(--ink);font:inherit}
.qcard .answer-row .unit{color:var(--muted);font-size:13px}
.qcard .qnum{font-size:12px;font-weight:700;color:var(--accent);letter-spacing:.05em;text-transform:uppercase}
.examlinks{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0 0;max-width:780px}

/* the licence line on a cheat sheet: quiet on screen, always printed */
.cheat .licence{font-size:10.5px;color:var(--muted);margin:14px 0 0;letter-spacing:.02em}
@media print{.cheat .licence{display:block;margin:5px 0 0;font-size:8px;color:#777}}