/* ABOUTME: Shared stylesheet for every notes page: tokens, layout, callouts, tables, SVG vocabulary. */
/* ABOUTME: Dark by default; prefers-color-scheme: light overrides surfaces and text only. */
:root {
  --bg: #0f1116; --panel: #171a21; --panel-2: #1e222b; --border: #2a2f3a;
  --text: #e6e8ec; --muted: #9aa3b2; --accent: #f5a524; --accent-2: #4c8bf5;
  --green: #3ecf8e; --purple: #a779f0; --red: #e5484d; --orange: #e08a3c;
  --sticky: #2a2617; --sticky-br: #5c4d1c;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --wrap: 980px;
}
@media (prefers-color-scheme: light) {
  :root { --bg: #f6f7f9; --panel: #ffffff; --panel-2: #f0f2f5; --border: #dfe3ea;
          --text: #1a1d24; --muted: #5b6474; --sticky: #fdf6dd; --sticky-br: #e6d69a; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--sans); font-size: 16px; line-height: 1.6; }
a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }
code { font-family: var(--mono); font-size: 0.85em; background: var(--panel-2); padding: 0.12em 0.4em; border-radius: 4px; border: 1px solid var(--border); }

/* layout and header */
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px 80px; }
header.hero { border-bottom: 1px solid var(--border); background: linear-gradient(180deg, rgba(245,165,36,0.10), transparent 70%); padding: 52px 0 34px; }
.hero-inner { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.back { margin: 0 0 14px; font-size: 13.5px; }
.eyebrow { color: var(--accent); font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; font-size: 12px; margin: 0 0 10px; }
h1 { font-size: 37px; margin: 0 0 12px; letter-spacing: -0.02em; }
.lede { color: var(--muted); font-size: 17px; max-width: 72ch; margin: 0; }
section { padding-top: 42px; }
h2 { font-size: 23px; margin: 0 0 6px; letter-spacing: -0.015em; }
h2 .num { font-family: var(--mono); font-size: 13px; color: var(--accent); font-weight: 400; margin-right: 8px; }
h3 { font-size: 16px; margin: 26px 0 6px; }
p, ul, ol { max-width: 76ch; }
ul { padding-left: 20px; }
li { margin: 5px 0; }
.sub { color: var(--muted); font-size: 14.5px; margin: 0 0 6px; max-width: 76ch; }

/* table of contents */
.toc { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 14px 20px; margin-top: 28px; font-size: 14.5px; }
.toc ol { columns: 2; column-gap: 32px; margin: 0; padding-left: 20px; max-width: none; }
.toc li { margin: 0 0 5px; break-inside: avoid; }

/* callouts: accent by default, variants change the left border */
.note { background: var(--panel); border: 1px solid var(--border); border-left: 3px solid var(--accent); border-radius: 0 10px 10px 0; padding: 14px 17px; margin: 20px 0; font-size: 14.5px; color: var(--muted); }
.note strong { color: var(--text); }
.note.q { border-left-color: var(--purple); }     /* open question */
.note.warn { border-left-color: var(--red); }     /* risk or caveat */
.note.good { border-left-color: var(--green); }   /* settled or confirmed */

/* decisions list: green-numbered, with a muted reason line */
ol.settled { counter-reset: s; list-style: none; padding: 0; margin: 14px 0 0; }
ol.settled > li { counter-increment: s; position: relative; padding: 12px 15px 12px 46px; background: var(--panel); border: 1px solid var(--border); border-left: 3px solid var(--green); border-radius: 0 10px 10px 0; margin-bottom: 9px; font-size: 14.5px; max-width: none; }
ol.settled > li::before { content: counter(s); position: absolute; left: 15px; top: 12px; font-family: var(--mono); font-size: 12px; color: var(--green); font-weight: 700; }
ol.settled > li .why { display: block; color: var(--muted); font-size: 13.5px; margin-top: 4px; }

/* status pills */
.pill { display: inline-block; font-size: 10.5px; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase; padding: 2px 8px; border-radius: 999px; border: 1px solid var(--border); background: var(--panel-2); color: var(--muted); white-space: nowrap; }
.pill.good { color: var(--green); border-color: var(--green); }
.pill.warn { color: var(--orange); border-color: var(--orange); }
.pill.bad { color: var(--red); border-color: var(--red); }
.pill.verify { color: var(--purple); border-color: var(--purple); } /* claim not yet checked */

/* tables */
.tablewrap { border: 1px solid var(--border); border-radius: 11px; overflow-x: auto; margin-top: 14px; background: var(--panel); }
.tablewrap table { min-width: 520px; }
table { border-collapse: collapse; width: 100%; font-size: 14px; }
th, td { text-align: left; padding: 10px 13px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--muted); font-size: 11.5px; text-transform: uppercase; letter-spacing: 0.05em; font-weight: 600; }
tbody tr:last-child td { border-bottom: none; }

/* disclosure, glossary, sticky notes */
details { background: var(--panel); border: 1px solid var(--border); border-radius: 11px; padding: 14px 17px; margin-top: 16px; }
summary { cursor: pointer; font-weight: 600; font-size: 15px; }
dl.gloss { margin: 0; font-size: 14.5px; }
dl.gloss dt { font-weight: 600; margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--border); }
dl.gloss dt:first-of-type { border-top: none; }
dl.gloss dd { margin: 5px 0 0; color: var(--muted); max-width: 76ch; }
.sticky { background: var(--sticky); border: 1px solid var(--sticky-br); border-radius: 4px; padding: 15px 17px; box-shadow: 0 3px 10px rgba(0,0,0,0.18); }
.sticky .who { display: block; margin-top: 9px; font-family: var(--mono); font-size: 11px; color: var(--muted); }

/* hub cards */
.grid { display: grid; gap: 13px; margin-top: 14px; }
@media (min-width: 680px) { .grid.cols-2 { grid-template-columns: 1fr 1fr; } }
.doc { display: block; background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 16px 18px; color: inherit; }
.doc:hover { border-color: var(--accent-2); text-decoration: none; }
.doc h3 { margin: 0 0 4px; font-size: 16px; }
.doc h3 .arrow { color: var(--muted); font-weight: 400; }
.doc p { margin: 0; color: var(--muted); font-size: 13.5px; max-width: none; }
.doc .path { font-family: var(--mono); font-size: 11px; color: var(--muted); margin-top: 8px; }

/* dated list pages */
ol.entries { list-style: none; padding: 0; margin: 14px 0 0; max-width: none; }
a.entry { display: block; background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 14px 18px; margin-bottom: 10px; color: inherit; }
a.entry:hover { border-color: var(--accent-2); text-decoration: none; }
a.entry .date { font-family: var(--mono); font-size: 12px; color: var(--accent); }
a.entry .title { display: block; font-weight: 600; }
a.entry .blurb { display: block; color: var(--muted); font-size: 13.5px; }

/* figures */
figure { margin: 18px 0 0; background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 20px 18px 14px; }
figure svg { display: block; width: 100%; height: auto; }
figcaption { color: var(--muted); font-size: 13px; margin-top: 12px; padding-top: 11px; border-top: 1px solid var(--border); }

/* shared SVG vocabulary (see docs/diagrams.md) */
svg .box    { fill: var(--panel-2); stroke: var(--border); stroke-width: 1.5; }
svg .abox   { fill: var(--panel-2); stroke: var(--accent); stroke-width: 1.8; }
svg .title  { fill: var(--text); font: 600 15px var(--sans); }
svg .t13    { fill: var(--text); font: 600 13px var(--sans); }
svg .desc   { fill: var(--muted); font: 400 11.5px var(--sans); }
svg .attr   { fill: var(--muted); font: 400 11px var(--mono); }
svg .edge   { stroke: var(--muted); stroke-width: 1.6; fill: none; }
svg .edge.soft { stroke-dasharray: 5 4; stroke-width: 1.3; }
svg .elbl   { fill: var(--muted); font: 400 11.5px var(--sans); }
svg .val    { fill: var(--accent); font: 700 14px var(--mono); }
svg .head   { fill: var(--muted); }
svg .rowlbl { fill: var(--muted); font: 700 10.5px var(--sans); letter-spacing: 0.13em; }
svg .axis   { stroke: var(--border); stroke-width: 1.4; }
svg .fill-blue   { fill: rgba(76,139,245,0.28);  stroke: var(--accent-2); stroke-width: 1.4; }
svg .fill-green  { fill: rgba(62,207,142,0.22);  stroke: var(--green);    stroke-width: 1.4; }
svg .fill-purple { fill: rgba(167,121,240,0.26); stroke: var(--purple);   stroke-width: 1.4; }
svg .fill-red    { fill: rgba(229,72,77,0.20);   stroke: var(--red);      stroke-width: 1.4; }
svg .faint  { opacity: 0.32; }

footer { margin-top: 56px; padding-top: 20px; border-top: 1px solid var(--border); color: var(--muted); font-size: 13px; }