/* mc-cw.css — Direction B chapter-wise hubs (parent picker, subject grids, GK 3-level). Brand navy/gold + per-subject accents. */
:root{--cwNavy:#15264d;--cwGold:#c9a23f;--cwBg:#f4f6fb;--cwCard:#fff;--cwBd:#e6e8ef;--cwInk:#13213f;--cwMut:#7a8196;--cwTrack:#eceef5}
[data-theme=dark]{--cwBg:#0b1430;--cwCard:#0f1733;--cwBd:#22305c;--cwInk:#e9eefb;--cwMut:#9fb0d6;--cwTrack:#1b2750}
body.cwbody{background:var(--cwBg);color:var(--cwInk);font-family:Inter,'Segoe UI',system-ui,-apple-system,sans-serif;margin:0}
.cw-wrap{max-width:1100px;margin:0 auto;padding:0 18px 70px}
.cw-crumb{font-size:12.5px;color:var(--cwMut);padding:16px 2px 0}
.cw-crumb a{color:var(--cwMut);text-decoration:none}.cw-crumb a:hover{color:var(--cwInk)}.cw-crumb b{color:var(--cwInk);font-weight:600}
.cw-hero{padding:16px 2px 6px}
.cw-hero h1{font-size:27px;font-weight:800;letter-spacing:-.4px;margin:0}
.cw-hero p{font-size:14.5px;color:var(--cwMut);margin:7px 0 0;max-width:680px}
.cw-meta{display:flex;gap:16px;flex-wrap:wrap;font-size:12px;color:var(--cwMut);margin-top:11px}
.cw-meta b{color:var(--cwInk);font-weight:700}
.cw-search{margin:16px 0 4px}
.cw-search input{width:100%;padding:12px 15px;border:1px solid var(--cwBd);border-radius:11px;font-size:14.5px;background:var(--cwCard);color:var(--cwInk);outline:none}
.cw-search input:focus{border-color:var(--cwGold)}
.cw-tabs{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0 14px}
.cw-tab{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--cwBd);background:var(--cwCard);border-radius:22px;padding:8px 14px;font-size:13px;color:var(--cwMut);text-decoration:none;font-weight:600}
.cw-tab .dot{width:9px;height:9px;border-radius:50%}
.cw-tab .pc{font-size:11.5px;color:var(--cwMut);font-weight:600}
.cw-tab.on{color:var(--cwInk);background:var(--cwCard)}
.cw-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(225px,1fr));gap:13px}
.cw-card{display:flex;flex-direction:column;background:var(--cwCard);border:1px solid var(--cwBd);border-radius:15px;padding:14px;text-decoration:none;color:var(--cwInk);transition:transform .13s,box-shadow .13s;position:relative}
.cw-card:hover{transform:translateY(-3px);box-shadow:0 12px 26px rgba(20,37,77,.12)}
.cw-ctop{display:flex;align-items:flex-start;justify-content:space-between;gap:8px}
.cw-num{width:28px;height:28px;flex:none;border-radius:8px;background:var(--cwTrack);color:var(--cwInk);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700}
.cw-name{font-size:14px;font-weight:700;line-height:1.25;margin:10px 0 12px;min-height:34px}
.cw-mid{display:flex;align-items:center;gap:12px;margin-bottom:11px}
.cw-ring{flex:none}
/* avg score/accuracy block */
.cw-stats{display:flex;gap:14px;flex:1;min-width:0;flex-wrap:wrap}
.cw-stat{display:flex;flex-direction:column;line-height:1.15}
.cw-stat .v{font-size:15px;font-weight:800;color:var(--cwInk);white-space:nowrap}
.cw-stat .v small{font-size:10.5px;font-weight:600;color:var(--cwMut)}
.cw-stat .v .dash{color:var(--cwMut);font-weight:700}
.cw-stat .k{font-size:9px;font-weight:700;letter-spacing:.03em;text-transform:uppercase;color:var(--cwMut);margin-top:2px}
/* numbered mock launch buttons */
.cw-mockrow{display:flex;align-items:center;gap:8px;margin-bottom:12px}
.cw-mlabel{font-size:9.5px;font-weight:700;text-transform:uppercase;letter-spacing:.03em;color:var(--cwMut);flex:none}
.cw-mocks{display:flex;gap:6px;flex-wrap:wrap}
.cw-mk{position:relative;width:30px;height:30px;border-radius:8px;border:1.6px solid var(--cwBd);background:var(--cwCard);display:flex;align-items:center;justify-content:center;text-decoration:none;font-size:12.5px;font-weight:800;color:var(--cwInk);transition:transform .1s,box-shadow .1s}
.cw-mk:hover{transform:translateY(-2px);box-shadow:0 5px 12px rgba(20,37,77,.14)}
.cw-mk.done{color:#fff}
.cw-mk.lock{border-style:dashed;color:var(--cwMut)}
.cw-mk.lock .ti{position:absolute;top:-5px;right:-5px;font-size:8px;width:14px;height:14px;border-radius:50%;background:var(--cwCard);color:var(--cwMut);border:1px solid var(--cwBd);display:flex;align-items:center;justify-content:center}
.cw-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto}
.cw-go{font-size:12.5px;font-weight:700;display:inline-flex;align-items:center;gap:5px}
.cw-pill{font-size:10.5px;font-weight:700;padding:3px 9px;border-radius:20px;white-space:nowrap}
.cw-pill.done{background:rgba(22,163,74,.13);color:#15803d}
.cw-pill.prog{background:rgba(217,119,6,.14);color:#92600a}
.cw-pill.none{background:var(--cwTrack);color:var(--cwMut)}
[data-theme=dark] .cw-pill.none{color:#9fb0d6}
.cw-bar{height:5px;border-radius:3px;background:var(--cwTrack);overflow:hidden;margin:10px 0 0}
.cw-fill{height:100%;border-radius:3px;width:0;transition:width .5s ease}
/* parent picker subject cards */
.cw-subjects{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:16px}
@media(max-width:600px){.cw-subjects{grid-template-columns:1fr}}
.cw-subj{display:flex;gap:14px;align-items:flex-start;background:var(--cwCard);border:1px solid var(--cwBd);border-radius:16px;padding:16px;text-decoration:none;color:var(--cwInk);transition:transform .13s,box-shadow .13s}
.cw-subj:hover{transform:translateY(-3px);box-shadow:0 12px 26px rgba(20,37,77,.12)}
.cw-subj .snm{font-size:16px;font-weight:800}
.cw-subj .smt{font-size:12.5px;color:var(--cwMut);margin-top:3px}
.cw-subj .spg{font-size:11.5px;color:var(--cwMut);margin-top:8px}
/* GK accordion (chapters -> subtopics) */
.cw-acc{margin-top:6px}
.cw-ab{display:flex;align-items:center;gap:13px;background:var(--cwCard);border:1px solid var(--cwBd);border-radius:14px;padding:13px 15px;cursor:pointer;margin-bottom:10px;transition:box-shadow .13s}
.cw-ab:hover{box-shadow:0 8px 20px rgba(20,37,77,.09)}
.cw-ab .cnm{flex:1;min-width:0;font-size:15px;font-weight:800}
.cw-ab .cmt{font-size:11.5px;color:var(--cwMut);font-weight:600}
.cw-ab .chev{color:var(--cwMut);font-size:18px;transition:transform .2s}
.cw-ab.open .chev{transform:rotate(180deg)}
.cw-ap{display:none;margin:0 0 16px;padding:2px 2px 4px}
.cw-ap.open{display:block}
.cw-emoji{font-size:20px;flex:none}
.cw-sk{height:150px;border-radius:15px;background:var(--cwTrack);animation:cwpl 1s ease-in-out infinite}
@keyframes cwpl{0%,100%{opacity:1}50%{opacity:.5}}
.cw-nohit{display:none;text-align:center;color:var(--cwMut);padding:34px;font-size:14px}
/* Task 03 selected-C chapter adapter, 2026-10-08.
 * Load after mc-cw.css only on the nine audited chapter listing routes.
 * CSS only: existing grouped cards, exact test anchors, average metrics,
 * progress states, native navigation and Task 04 legacy history are retained.
 * No footer selectors, page chrome, access labels, remote assets or JS.
 */
#cwroot .cw-grid {
  grid-template-columns:repeat(auto-fill,minmax(min(100%,290px),1fr));
  gap:16px;
  align-items:stretch;
}
#cwroot .cw-card {
  --cwc-surface:#fbfdff;
  --cwc-ink:#19283f;
  --cwc-muted:#526681;
  --cwc-line:#d8e4f2;
  --cwc-rule:#e4ecf7;
  --cwc-control:#f1f6ff;
  --cwc-control-line:#acc6ff;
  --cwc-control-ink:#1e40af;
  --cwc-focus:#163da0;
  box-sizing:border-box;
  display:grid;
  grid-template-columns:minmax(0,1fr);
  grid-template-rows:auto auto auto auto minmax(0,1fr);
  position:relative;
  isolation:isolate;
  min-width:0;
  max-width:100%;
  padding:14px;
  border:1px solid var(--cwc-line);
  border-radius:22px;
  background:var(--cwc-surface);
  color:var(--cwc-ink);
  box-shadow:inset 0 1px 0 #ffffffb3,0 8px 22px #2039530b;
  transform:none;
  transition:box-shadow .14s ease;
}
/* Grid layering joins the existing two title rows without a new wrapper.
 * Its height follows the real, wrapping status and topic text. */
#cwroot .cw-card::before {
  content:"";
  grid-column:1;
  grid-row:1/3;
  align-self:stretch;
  margin:-14px -14px 0;
  border-radius:21px 21px 0 0;
  background:linear-gradient(#0000001a,#0000001a),radial-gradient(ellipse at 5% -50%,#ffffff0a,transparent 68%),linear-gradient(135deg,#2563eb,#1e40af);
  box-shadow:inset 0 1px 0 #ffffff40;
  pointer-events:none;
  z-index:0;
}
#cwroot .cw-card:hover {
  transform:none;
  box-shadow:inset 0 1px 0 #ffffffb3,0 10px 24px #20395318;
}
#cwroot .cw-card > .cw-ctop {
  grid-column:1;
  grid-row:1;
  position:relative;
  z-index:1;
  min-width:0;
  align-items:center;
  gap:10px;
  color:#fff;
}
#cwroot .cw-card .cw-num {
  box-sizing:border-box;
  width:42px;
  height:44px;
  flex:0 0 42px;
  border:1px solid #ffffff48;
  border-radius:13px;
  color:#fff;
  font-size:20px;
  font-weight:600;
  line-height:1;
  letter-spacing:-.6px;
  background:linear-gradient(140deg,#ffffff1a,#ffffff05);
  box-shadow:inset 0 1px 0 #ffffff55,inset 0 -2px 5px #00102a24,0 3px 6px #00102a16;
}
#cwroot .cw-card > .cw-name {
  grid-column:1;
  grid-row:2;
  position:relative;
  z-index:1;
  min-width:0;
  min-height:0;
  margin:11px 0 0;
  padding:0 0 16px;
  color:#fff;
  font-size:19px;
  font-weight:600;
  line-height:1.3;
  letter-spacing:-.35px;
  overflow-wrap:anywhere;
}
#cwroot .cw-card .cw-pill {
  box-sizing:border-box;
  min-width:0;
  max-width:calc(100% - 52px);
  margin:0;
  padding:5px 8px;
  border:1px solid #ffffff50;
  border-radius:9px;
  font-size:12px;
  font-weight:600;
  line-height:1.4;
  text-align:right;
  white-space:normal;
  overflow-wrap:anywhere;
}
#cwroot .cw-card .cw-pill.none {background:#e9effb;color:#243d67;border-color:#cad7ef}
#cwroot .cw-card .cw-pill.prog {background:#fff0cf;color:#765012;border-color:#ead39f}
#cwroot .cw-card .cw-pill.done {background:#e3f4eb;color:#14624b;border-color:#c5e3d4}
#cwroot .cw-card > .cw-mid {
  grid-column:1;
  grid-row:3;
  min-width:0;
  min-height:68px;
  gap:12px;
  margin:15px 0 12px;
  padding:0 0 13px;
  border-bottom:1px solid var(--cwc-rule);
}
#cwroot .cw-card .cw-ring {overflow:visible;max-width:100%}
#cwroot .cw-card .cw-ring text {fill:var(--cwc-ink)}
#cwroot .cw-card .cw-stats {
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  min-width:0;
  gap:10px;
}
#cwroot .cw-card .cw-stat {min-width:0;gap:5px;line-height:1.3}
#cwroot .cw-card .cw-stat .v {
  color:var(--cwc-ink);
  font-size:26px;
  font-weight:600;
  line-height:1.2;
  letter-spacing:-.65px;
  font-variant-numeric:tabular-nums;
  white-space:normal;
  overflow-wrap:anywhere;
}
#cwroot .cw-card .cw-stat .v small {
  color:var(--cwc-muted);
  font-size:12px;
  font-weight:500;
  letter-spacing:0;
  white-space:nowrap;
}
#cwroot .cw-card .cw-stat .v .dash {color:var(--cwc-muted);font-weight:600}
#cwroot .cw-card .cw-stat .k {
  color:var(--cwc-muted);
  font-size:12px;
  font-weight:500;
  line-height:1.4;
  letter-spacing:0;
  text-transform:none;
  margin:0;
  overflow-wrap:anywhere;
}
#cwroot .cw-card > .cw-mockrow {
  grid-column:1;
  grid-row:4;
  display:block;
  min-width:0;
  margin-bottom:12px;
}
#cwroot .cw-card .cw-mlabel {
  display:block;
  color:var(--cwc-muted);
  font-size:12px;
  font-weight:500;
  line-height:1.5;
  letter-spacing:0;
  text-transform:none;
  margin-bottom:8px;
}
#cwroot .cw-card .cw-mocks {min-width:0;gap:8px;flex-wrap:wrap}
#cwroot .cw-card .cw-mk {
  box-sizing:border-box;
  width:44px;
  min-width:44px;
  height:44px;
  min-height:44px;
  flex:0 0 44px;
  border:1px solid var(--cwc-control-line);
  border-radius:14px;
  background:var(--cwc-control);
  color:var(--cwc-control-ink);
  font-size:15px;
  font-weight:650;
  line-height:1;
  box-shadow:inset 0 1px 0 #ffffff80;
  touch-action:manipulation;
  transform:none;
  transition:box-shadow .14s ease;
}
#cwroot .cw-card .cw-mk:hover {transform:none;box-shadow:inset 0 1px 0 #ffffff80,0 3px 7px #19304d26}
#cwroot .cw-card .cw-mk:focus-visible {outline:3px solid var(--cwc-focus);outline-offset:2px}
#cwroot .cw-card .cw-mk.lock {border-style:dashed;color:var(--cwc-muted)}
#cwroot .cw-card .cw-mk.done {color:#fff}
/* Native completed colours are inline. Keep them and choose readable ink. */
#cwroot .cw-card[data-go*="/english/"] .cw-mk.done,
#cwroot .cw-card[data-go*="/reasoning/"] .cw-mk.done,
#cwroot .cw-card[data-go*="/gk/"] .cw-mk.done {color:#071a21}
#cwroot .cw-card .cw-mk.lock .ti {
  box-sizing:border-box;
  width:18px;
  height:18px;
  font-size:11px;
  background:var(--cwc-surface);
  border-color:var(--cwc-control-line);
  color:var(--cwc-muted);
}
/* The renderer owns the existing final row and all its click behaviour. */

/* Keep the GK group's actual open/closed state; never force panels open. */
#cwroot .cw-ab {
  box-sizing:border-box;
  display:grid;
  grid-template-columns:24px minmax(0,1fr) 44px 18px;
  grid-template-areas:"icon name ring chevron" "icon meta ring chevron";
  gap:4px 10px;
  min-height:72px;
  padding:12px 14px;
  border-radius:16px;
}
#cwroot .cw-ab .cw-emoji {grid-area:icon}
#cwroot .cw-ab .cnm {grid-area:name;font-size:16px;line-height:1.4;overflow-wrap:anywhere}
#cwroot .cw-ab .cmt {grid-area:meta;font-size:12px;line-height:1.4;overflow-wrap:anywhere}
#cwroot .cw-ab > .cw-ring {grid-area:ring}
#cwroot .cw-ab > .chev {grid-area:chevron}
#cwroot .cw-ap {padding:2px 0 4px}
/* Long history remains in normal document flow, including future details. */
#cwroot > p,
#cwroot > section[aria-labelledby="cw-legacy-title"] {
  font-size:15px;
  line-height:1.6;
  overflow-wrap:anywhere;
}
#cwroot > section[aria-labelledby="cw-legacy-title"] {box-sizing:border-box;max-width:100%}
#cwroot > section[aria-labelledby="cw-legacy-title"] h2 {font-size:20px;line-height:1.35}
#cwroot > section[aria-labelledby="cw-legacy-title"] ul {padding-inline-start:20px}
#cwroot > section[aria-labelledby="cw-legacy-title"] :is(details,li) {min-width:0;max-width:100%;overflow-wrap:anywhere}
#cwroot > section[aria-labelledby="cw-legacy-title"] summary {box-sizing:border-box;min-height:44px;padding-block:10px}
#cwroot .cw-search input {box-sizing:border-box;min-height:48px;font-size:15px}
#cwroot .cw-tab {box-sizing:border-box;min-height:44px;font-size:14px}
#cwroot :is(.cw-tab,.cw-search input):focus-visible {outline:3px solid #2563eb;outline-offset:2px}

:is([data-theme="dark"],html.dark,body.dark) #cwroot .cw-card {
  --cwc-surface:#223248;
  --cwc-ink:#eff4ff;
  --cwc-muted:#b4c1d4;
  --cwc-line:#536276;
  --cwc-rule:#3a4a61;
  --cwc-control:#35475f;
  --cwc-control-line:#9aafcc;
  --cwc-control-ink:#e3ecfa;
  --cwc-focus:#c4d8ff;
  box-shadow:inset 0 1px 0 #ffffff19,0 8px 22px #03081320;
}
@media (max-width:600px) {
  #cwroot .cw-grid {grid-template-columns:minmax(0,1fr)}
}
@media (prefers-reduced-motion:reduce) {
  #cwroot .cw-card,#cwroot .cw-card .cw-mk,#cwroot .cw-ab .chev {transition:none}
}
@media (forced-colors:active) {
  #cwroot .cw-card {--cwc-surface:Canvas;--cwc-ink:CanvasText;--cwc-muted:CanvasText;--cwc-line:CanvasText;--cwc-rule:CanvasText;--cwc-control:ButtonFace;--cwc-control-ink:ButtonText;--cwc-control-line:ButtonText;--cwc-focus:Highlight;box-shadow:none}
  #cwroot .cw-card::before {background:Canvas;border-bottom:1px solid CanvasText;box-shadow:none}
  #cwroot .cw-card > .cw-name,#cwroot .cw-card .cw-num {color:CanvasText;background:Canvas;box-shadow:none}
  #cwroot .cw-card .cw-num,#cwroot .cw-card .cw-pill {border-color:CanvasText}
  #cwroot .cw-card .cw-pill {background:Canvas;color:CanvasText}
  #cwroot .cw-card .cw-mk.done {color:ButtonText!important;background:ButtonFace!important;border-color:ButtonText!important}
}