.atl{
  --coquille:#FAF8F1; --encre:#142722; --lagune:#006B57; --ocre:#E6AC32; --terre:#A52E25;
  --bg:#FAF8F1; --fg:#142722; --muted:#4A5B55; --rule:#DCD6C6; --panel:#F1EDE1; --card:#FFFFFF; --accent:#006B57; --on-accent:#FAF8F1;
  --warn:#A52E25; --warn-bg:#F7E9E4; --seg:#E2DCCB;
  --f-ui:"Atkinson Hyperlegible Next","Atkinson Hyperlegible",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-text:"Literata",Georgia,"Times New Roman",serif;
  --s1:.8125rem; --s2:.9375rem; --s3:1.0625rem; --s4:1.3rem; --s5:clamp(1.75rem,1.2rem + 2.2vw,2.5rem);
}
.atl *{box-sizing:border-box}
.atl [hidden]{display:none!important}
.atl html,.atl{background:var(--bg);color:var(--fg)}
.atl{font-family:var(--f-ui);font-size:var(--s2);line-height:1.5;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px));}
.atl .awrap{max-width:1260px;margin:0 auto;display:grid;gap:18px}
.atl header{display:grid;gap:6px}
.atl .eyebrow{font-size:var(--s1);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-weight:600}
.atl h1{font-family:var(--f-text);font-weight:700;font-size:var(--s5);line-height:1.1;margin:0;text-wrap:balance}
.atl .alead{font-family:var(--f-text);font-size:var(--s3);margin:0;max-width:64ch}
.atl .picker{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px;scrollbar-width:thin}
.atl .picker button{flex:0 0 auto;display:flex;align-items:baseline;gap:8px;border:1px solid var(--rule);background:transparent;color:var(--fg);font:inherit;font-weight:600;padding:8px 14px;border-radius:999px;cursor:pointer}
.atl .picker button .an{font-variant-numeric:tabular-nums;color:var(--muted);font-weight:700;font-size:var(--s1)}
.atl .picker button[aria-pressed="true"]{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}
.atl .picker button[aria-pressed="true"] .an{color:var(--on-accent);opacity:.8}
.atl button:focus-visible{outline:3px solid var(--ocre);outline-offset:2px}
.atl .amain{display:grid;grid-template-columns:minmax(0,1.65fr) minmax(0,1fr);gap:20px;align-items:start}
@media (max-width:900px){.atl .amain{grid-template-columns:1fr}}
.atl .stagebox{display:grid;gap:10px;min-width:0}
.atl .stage{position:relative;border-radius:8px;overflow:hidden;aspect-ratio:4/3.1;max-width:100%;touch-action:none;
  background:radial-gradient(120% 95% at 50% 42%,#FDFCF8 0%,#F6F2E7 55%,#E9E2D0 100%);border:1px solid #E1DACA}
.atl .stage canvas{position:absolute;inset:0;display:block;width:100%;height:100%;cursor:grab}
.atl .stage canvas:active{cursor:grabbing}
.atl .stage .cap{position:absolute;left:14px;top:12px;right:14px;display:flex;justify-content:space-between;gap:8px;pointer-events:none;color:#142722;font-size:var(--s1)}
.atl .stage .cap b{font-family:var(--f-text);font-size:var(--s3);font-weight:700}
.atl .badge{position:absolute;left:14px;top:40px;background:#A52E25;color:#FAF8F1;font-weight:700;font-size:var(--s1);padding:3px 10px;border-radius:999px;display:inline-flex;gap:6px;align-items:center;pointer-events:none}
.atl .badge svg{width:14px;height:14px}
.atl .legend{position:absolute;right:14px;top:36px;display:grid;gap:4px;font-size:var(--s1);color:#142722;pointer-events:none;justify-items:end}
.atl .legend i{display:inline-block;width:22px;height:7px;border-radius:4px;margin-right:6px;vertical-align:middle;box-shadow:0 0 0 1.5px #142722}
.atl .stepnow{position:absolute;left:12px;right:12px;bottom:10px;color:#142722;font-size:var(--s2);font-weight:600;display:flex;gap:10px;align-items:flex-start;pointer-events:none}
.atl .pastille{flex:0 0 auto;width:28px;height:28px;border-radius:50%;background:#E6AC32;color:#142722;display:grid;place-items:center;font-weight:700;font-variant-numeric:tabular-nums;box-shadow:0 0 0 2px #142722}
.atl .pastille.bad{background:#A52E25;color:#FAF8F1}
.atl .stepnow .txt{background:rgba(250,248,241,.92);padding:3px 8px;border-radius:5px}
.atl #ov{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.atl #lead{stroke:#142722;stroke-width:1.5;fill:none;transition:opacity .25s}
.atl #lead.bad{stroke:#A52E25}
.atl #dot{fill:#E6AC32;stroke:#142722;stroke-width:1.5}
.atl #dot.bad{fill:#A52E25}
.atl .lab{position:absolute;left:0;top:0;background:#142722;color:#FAF8F1;font-weight:700;font-size:var(--s1);padding:5px 10px;border-radius:6px;box-shadow:0 0 0 2px #E6AC32;white-space:nowrap;opacity:0;transition:opacity .25s;pointer-events:none;will-change:transform}
.atl .lab.on{opacity:1}
.atl .lab.bad{box-shadow:0 0 0 2px #A52E25}
.atl .ctl{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.atl .ctl button{font:inherit;font-weight:600;border:1px solid var(--rule);background:var(--panel);color:var(--fg);padding:8px 12px;border-radius:6px;cursor:pointer;display:inline-flex;align-items:center;gap:6px;min-height:40px}
.atl .ctl button.primary{background:var(--accent);color:var(--on-accent);border-color:var(--accent);min-width:110px;justify-content:center}
.atl .ctl button[aria-pressed="true"]{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}
.atl .ctl .grp{display:inline-flex;gap:4px;align-items:center}
.atl .ctl .lab2{font-size:var(--s1);color:var(--muted);margin-right:2px}
.atl .ctl svg{width:16px;height:16px}
.atl .scrub{width:100%;accent-color:var(--accent)}
.atl .hint{font-size:var(--s1);color:var(--muted);margin:0}
.atl aside{display:grid;gap:16px;min-width:0}
.atl .acard{background:var(--card);border:1px solid var(--rule);border-radius:10px;padding:16px;display:grid;gap:12px}
.atl .cardhead{display:flex;justify-content:space-between;align-items:center;gap:8px}
.atl #stepOf{font-size:var(--s1);text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:700}
.atl .acard .aghost{font:inherit;font-size:var(--s1);font-weight:600;background:none;border:0;color:var(--accent);cursor:pointer;padding:4px 2px}
.atl .acard .aghost:disabled{color:var(--muted);opacity:.5;cursor:default}
.atl .segs{display:grid;grid-auto-flow:column;grid-auto-columns:1fr;gap:4px}
.atl .segs button{height:8px;border:0;padding:0;border-radius:4px;background:var(--seg);cursor:pointer;overflow:hidden;position:relative}
.atl .segs button i{position:absolute;left:0;top:0;bottom:0;background:var(--ocre);width:0}
.atl .segs button.done i{background:var(--accent)}
.atl #stTitle{font-family:var(--f-text);font-size:var(--s4);margin:0;line-height:1.25;text-wrap:balance}
.atl #stWhy{margin:0;font-family:var(--f-text);font-size:var(--s2);max-width:62ch}
.atl .errhead{font-size:var(--s1);text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:700;margin:0 0 6px}
.atl #errList{display:grid;gap:6px}
.atl .errbtn{font:inherit;font-weight:600;text-align:left;display:flex;gap:8px;align-items:center;border:1px solid var(--rule);background:transparent;color:var(--fg);border-radius:6px;padding:9px 12px;cursor:pointer}
.atl .errbtn svg{width:12px;height:12px;color:var(--warn);flex:0 0 auto}
.atl .errbtn[aria-pressed="true"]{border-color:var(--warn);background:var(--warn-bg)}
.atl #errMsg{border:1px solid var(--warn);background:var(--warn-bg);border-radius:8px;padding:12px;display:grid;gap:6px}
.atl #errMsg b{color:var(--warn)}
.atl #errMsg p{margin:0;font-family:var(--f-text)}
.atl #errBack{justify-self:start;font:inherit;font-size:var(--s1);font-weight:700;color:var(--accent);background:none;border:0;padding:0;cursor:pointer}
.atl #cardNext{justify-self:start;font:inherit;font-weight:700;background:var(--ocre);color:#142722;border:0;border-radius:6px;padding:10px 16px;display:inline-flex;gap:8px;align-items:center;cursor:pointer}
.atl #cardNext svg{width:16px;height:16px}
.atl .info h3{font-size:var(--s1);text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin:0 0 6px}
.atl .info p{margin:0;font-family:var(--f-text);max-width:62ch}
.atl .warn{border-left:4px solid var(--warn);background:var(--warn-bg);padding:12px 14px;border-radius:0 6px 6px 0;display:grid;grid-template-columns:22px 1fr;gap:10px}
.atl .warn svg{width:20px;height:20px;color:var(--warn);margin-top:2px}
.atl .warn h3{color:var(--warn)}
.atl details summary{cursor:pointer;font-weight:700;font-size:var(--s1);text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
.atl .asteps{list-style:none;margin:10px 0 0;padding:0;display:grid;gap:6px}
.atl .asteps button{width:100%;text-align:left;font:inherit;color:var(--fg);background:transparent;border:1px solid var(--rule);border-radius:6px;padding:8px 10px;display:grid;grid-template-columns:26px 1fr;gap:10px;align-items:start;cursor:pointer}
.atl .asteps .num{width:24px;height:24px;border-radius:50%;border:1.5px solid var(--muted);display:grid;place-items:center;font-weight:700;font-size:var(--s1);font-variant-numeric:tabular-nums}
.atl .asteps button[aria-current="step"]{border-color:var(--accent);background:var(--panel)}
.atl .asteps button[aria-current="step"] .num{background:var(--ocre);border-color:var(--ocre);color:#142722}
.atl .asteps button.done .num{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}
.atl footer{border-top:1px solid var(--rule);padding-top:14px;font-size:var(--s1);color:var(--muted);display:grid;gap:6px}
.atl footer a{color:var(--accent)}
.atl footer ul{margin:0;padding-left:18px;display:flex;flex-wrap:wrap;gap:4px 18px}
.atl .aerr{padding:16px;color:#142722}
@media (max-width:600px){.atl .stage{aspect-ratio:4/5}.atl .stepnow .txt{display:none}.atl .legend{top:12px}.atl .stage .cap b{display:none}.atl .badge{top:12px}}
@media (prefers-reduced-motion: reduce){.atl .lab,.atl #lead{transition:none}}
.atl .atlhead{margin-bottom:8px}