/* Map of Mathematics · School Launch */
:root{
  --f-numbers:#F3D9A0; --f-structure:#F2C4B4; --f-shape:#CDE4C0; --f-change:#BFD6EF;
  --f-chance:#DCCBEE; --f-reasoning:#F2CFE0; --f-using:#BFE3DD; --f-ink:#1F1B16;
  --later-fill:#E4DED3; --later-ink:#6B6258;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --f-numbers:#5A4520; --f-structure:#5C3328; --f-shape:#2F4A2C; --f-change:#24405C;
    --f-chance:#43325C; --f-reasoning:#5A2E44; --f-using:#1F4A44; --f-ink:#F3ECDF;
    --later-fill:#2E2924; --later-ink:#A79C8C;
  }
}
:root[data-theme="dark"]{
  --f-numbers:#5A4520; --f-structure:#5C3328; --f-shape:#2F4A2C; --f-change:#24405C;
  --f-chance:#43325C; --f-reasoning:#5A2E44; --f-using:#1F4A44; --f-ink:#F3ECDF;
  --later-fill:#2E2924; --later-ink:#A79C8C;
}
.skip{position:absolute;left:-9999px;top:0}
.skip:focus{left:12px;top:12px;z-index:10;background:var(--paper);padding:8px 12px;border:2px solid var(--focus)}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.map-page{display:flex;flex-direction:column;gap:22px;padding-block:24px 40px}
.map-page *{min-width:0}
.hero-actions{margin-top:4px}
.foot-small{font-size:15px}
.foot-legal{font-size:13px;margin-top:6px}

.fam-numbers{--fam:var(--f-numbers)} .fam-structure{--fam:var(--f-structure)} .fam-shape{--fam:var(--f-shape)}
.fam-change{--fam:var(--f-change)} .fam-chance{--fam:var(--f-chance)} .fam-reasoning{--fam:var(--f-reasoning)} .fam-using{--fam:var(--f-using)}

.map-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:20px;align-items:start}
@media (min-width:900px){.map-grid{grid-template-columns:minmax(0,1.05fr) minmax(0,1fr)}}
.wheel-wrap{margin:0;display:flex;flex-direction:column;gap:6px;align-items:center}
.wheel{width:100%;max-width:560px;height:auto;display:block}
.wheel-wrap figcaption{font-size:15px;color:var(--muted);text-align:center}
.wedge .wedge-bg{fill:var(--fam);stroke:var(--paper);stroke-width:3}
.wedge .wlabel{font-family:var(--sans);font-weight:700;font-size:25px;fill:var(--f-ink)}
.wedge .wglyph{font-family:var(--sans);font-weight:700;font-size:24px;fill:var(--f-ink)}
a.wedge:focus{outline:none}
a.wedge:focus-visible .wedge-bg,a.wedge:hover .wedge-bg{stroke:var(--focus);stroke-width:6}
.wheel .hub{fill:var(--paper);stroke:var(--brass);stroke-width:3}
.wheel .hub-t{font-family:var(--display);font-size:22px;fill:var(--muted)}
.wheel .hub-t.big{font-size:25px;font-weight:700;fill:var(--forge)}
.wedge.st-later .wedge-bg{fill:var(--later-fill)}
.wedge.st-later .wlabel,.wedge.st-later .wglyph{fill:var(--later-ink)}
.wedge.st-school .wedge-bg{fill-opacity:.5}
.wedge.st-soon .wedge-bg{stroke:var(--ink);stroke-dasharray:10 7;stroke-width:3}
.wedge.st-now .wedge-bg{stroke:var(--ink);stroke-width:5}

.map-side{display:flex;flex-direction:column;gap:16px}
.band-filter{border:1px solid var(--line);border-radius:8px;padding:12px 14px 14px;margin:0;display:flex;flex-direction:column;gap:10px}
.band-filter legend{font-weight:700;font-size:17px;padding:0 6px}
.seg{display:flex;flex-wrap:wrap;gap:6px}
.seg label{position:relative;display:inline-flex}
.seg input{position:absolute;opacity:0;inset:0;margin:0;cursor:pointer}
.seg label>span{display:inline-flex;align-items:center;min-height:44px;padding:6px 14px;border:2px solid var(--forge);border-radius:6px;font-weight:700;color:var(--forge);background:transparent}
.seg .ag{display:inline;margin-left:.28em}
.seg input:checked+span{background:var(--forge);color:var(--forge-ink)}
.seg input:focus-visible+span{outline:3px solid var(--focus);outline-offset:2px}
.band-summary{font-size:16px}
.status-key{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:4px 14px;font-size:15px;color:var(--muted)}
.kglyph{display:inline-block;width:1.2em;text-align:center;font-weight:700;color:var(--ink)}
.fam-legend{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px 14px;font-size:15px}
.fam-legend li{display:inline-flex;align-items:center;gap:6px}
.sw{display:inline-block;width:16px;height:16px;border-radius:3px;background:var(--fam);border:1px solid var(--line)}
.quick{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px}
.quick li{display:flex;align-items:center;gap:6px;border-left:6px solid var(--fam);background:var(--linen);border-radius:4px;padding:6px 8px;min-height:44px;font-size:16px}
.quick li a{flex:1;font-weight:600;overflow-wrap:anywhere}
.quick .qglyph{font-weight:700;color:var(--ink)}
.quick li.st-later{opacity:.75}
.quick .qstat{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

.areas{display:flex;flex-direction:column;gap:18px}
.area{border-top:8px solid var(--fam);gap:10px;scroll-margin-top:12px}
.area-head{display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 12px}
.area-head .eyebrow{flex-basis:100%;max-width:none}
.area h2{font-family:var(--display);font-size:clamp(24px,3.2vw,32px);color:var(--forge)}
.area p{max-width:72ch}
.area .kid{font-family:var(--serif);font-size:19px}
.chip{display:inline-block;font-size:14px;font-weight:700;padding:2px 10px;border-radius:999px;border:1px solid var(--line);background:var(--linen);color:var(--ink);white-space:normal}
.chip.big{font-size:15px}
.chip.st-now{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.chip.st-met{border-color:var(--ink)}
.chip.st-soon{border-style:dashed;border-color:var(--ink)}
.chip.st-later,.chip.st-school{color:var(--muted)}
.meet{background:var(--linen);border-radius:6px;padding:10px 14px;display:flex;flex-direction:column;gap:6px}
.meet-h{font-size:17px;margin:0;font-family:var(--sans);font-weight:700}
.seed-h{font-weight:600}
.meet ul{margin:0;padding-left:20px;display:flex;flex-direction:column;gap:4px}
.meet li{overflow-wrap:anywhere}
.band{font-size:14px;color:var(--muted);white-space:nowrap}
.meet.later{border-left:4px dashed var(--muted)}
.later-note{font-size:15px;color:var(--muted)}
.subs-h{font-size:18px;margin-top:6px}
.subs{display:flex;flex-direction:column;gap:8px}
.sub{border:1px solid var(--line);border-left:6px solid var(--fam);border-radius:6px;background:var(--paper);scroll-margin-top:12px}
.sub summary{cursor:pointer;padding:10px 12px;min-height:44px;display:flex;flex-wrap:wrap;align-items:center;gap:4px 10px;list-style-position:inside}
.sub summary::-webkit-details-marker{display:none}
.sub summary::before{content:'▸';font-weight:700;color:var(--forge)}
.sub[open] summary::before{content:'▾'}
.sub-name{font-weight:700;font-size:17px}
.sub-body{padding:0 14px 14px;display:flex;flex-direction:column;gap:8px}
.notes,.sources{gap:10px}
.notes h2,.sources h2{font-family:var(--display);font-size:26px;color:var(--forge)}
.src-list{columns:2 260px;margin:0;padding-left:20px;font-size:15px}
.src-list li{break-inside:avoid;margin-bottom:2px}
@media (max-width:520px){
  .card{padding:16px}
  .quick{grid-template-columns:minmax(0,1fr)}
  .area .kid{font-size:18px}
  .seg{gap:5px}
  .seg label>span{padding:6px 10px}
  .seg .ag{display:none}
  .wheel-wrap{margin-inline:-6px}
}
@media print{
  .band-filter,.site-head,.site-foot,.hero-actions,.skip{display:none!important}
  .sub{break-inside:avoid}
}