/* AIEB member experience — invitation-page visual system, presentation only. */
:root{--aieb-paper:#F7F8F4;--aieb-card:#fff;--aieb-ink:#21211E;--aieb-body:#3D3D38;--aieb-soft:#6B6B63;--aieb-line:#D9DDD5;--aieb-shadow:0 18px 44px rgba(33,33,30,.08)}
html{background:var(--aieb-paper)}
body.aieb-redesign{background:var(--aieb-paper)!important;color:var(--aieb-body)}
body.aieb-redesign :focus-visible{outline:3px solid color-mix(in srgb,var(--cp,#2D8C3C) 34%,transparent);outline-offset:3px}
body.aieb-redesign .site-topbar,body.aieb-redesign>.topbar{min-height:58px;padding:9px 24px;background:rgba(255,255,255,.92)!important;border-bottom:1px solid var(--aieb-line)!important;box-shadow:0 4px 20px rgba(33,33,30,.035)}
body.aieb-redesign .surface-toggle{background:#fff;border:1px solid #DADDD7}
body.aieb-redesign .sbtn.active{background:color-mix(in srgb,var(--cp,#2D8C3C) 13%,#fff)!important;color:var(--cp,#2D8C3C)!important;box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--cp,#2D8C3C) 25%,transparent)}
.mobile-step-summary,.mobile-surface,.mobile-course-dock{display:none}
.board-loader{width:min(480px,100%);text-align:center;padding:42px 34px 36px;border:1.5px solid var(--aieb-line);border-radius:22px;background:#fff;box-shadow:var(--aieb-shadow)}
.board-loader-mark{position:relative;width:92px;height:92px;margin:0 auto 18px;display:grid;place-items:center}
.board-loader-mark img{position:relative;z-index:1;width:76px;height:76px;border-radius:50%;background:#fff;box-shadow:0 10px 28px rgba(33,33,30,.1)}
.board-loader-orbit{position:absolute;inset:0;border:2px solid #DDE7DE;border-top-color:#2D8C3C;border-radius:50%;animation:aieb-loader-orbit 1.4s linear infinite}
.board-loader-kicker{margin-bottom:7px;color:#2D8C3C;font:400 13px/1.2 var(--font-accent,'Excalifont',system-ui,sans-serif);letter-spacing:.08em;text-transform:uppercase}
.board-loader h1{margin:0 0 8px;color:var(--aieb-ink);font-family:var(--font-display,"Segoe UI",system-ui,sans-serif);font-size:clamp(25px,3vw,31px);line-height:1.12;letter-spacing:-.035em}
.board-loader p{margin:0 auto 24px;max-width:330px;color:var(--aieb-soft);font-size:14px;line-height:1.55}
.board-loader-track{height:7px;overflow:hidden;border-radius:999px;background:#E8EDE7}
.board-loader-track span{display:block;width:42%;height:100%;border-radius:inherit;background:#2D8C3C;animation:aieb-loader-track 1.7s cubic-bezier(.55,.05,.3,.95) infinite}
.board-loader-steps{display:flex;justify-content:space-between;gap:10px;margin-top:10px;color:#8A8F87;font:700 10px/1.2 ui-monospace,SFMono-Regular,Consolas,monospace}
@keyframes aieb-loader-orbit{to{transform:rotate(360deg)}}
@keyframes aieb-loader-track{0%{transform:translateX(-105%)}55%{transform:translateX(85%)}100%{transform:translateX(245%)}}
body.aieb-checkpoint .wrap{width:min(1520px,calc(100% - 36px));max-width:none;padding:0 0 72px}
body.aieb-checkpoint .topbar{padding:18px 2px 10px}
body.aieb-checkpoint .checkpoint-window{overflow:hidden;border:1.5px solid #CFD6CC;border-radius:22px;background:#F5F7F1;box-shadow:var(--aieb-shadow)}
body.aieb-checkpoint .checkpoint-windowbar{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:14px 18px;background:#fff;border-bottom:1px solid #DDE2DA}
body.aieb-checkpoint .checkpoint-brand{display:flex;align-items:center;gap:10px;color:var(--aieb-ink);font-size:14px;font-weight:800}
body.aieb-checkpoint .cp-badge{font-family:var(--font-accent);font-size:13px;font-weight:400;letter-spacing:.06em}
body.aieb-checkpoint .checkpoint-brand img{width:32px;height:32px;border:1px solid #D9DDD5;border-radius:50%;background:#fff;box-shadow:0 4px 12px rgba(33,33,30,.08)}
body.aieb-checkpoint .checkpoint-progress-label{color:var(--aieb-soft);font:700 11px/1.2 ui-monospace,SFMono-Regular,Consolas,monospace}
body.aieb-checkpoint .checkpoint-grid{display:grid;grid-template-columns:minmax(260px,300px) minmax(0,1fr);min-height:660px}
body.aieb-checkpoint .learning-rail{padding:22px 16px;background:#FBFCF8;border-right:1px solid #DDE2DA}
body.aieb-checkpoint .learning-rail-label{display:block;margin:0 8px 13px;color:var(--cp);font:400 12px/1.2 var(--font-accent);letter-spacing:.07em;text-transform:uppercase}
body.aieb-checkpoint .learning-rail h1{margin:0 8px 18px;color:var(--aieb-ink);font-family:var(--font-display);font-size:20px;line-height:1.2}
body.aieb-checkpoint .rail-step{position:relative;display:grid;grid-template-columns:30px minmax(0,1fr);gap:10px;padding:11px 9px;border-radius:11px;color:var(--aieb-soft)}
body.aieb-checkpoint .rail-step+.rail-step{margin-top:4px}
body.aieb-checkpoint .rail-step+.rail-step:before{content:"";position:absolute;left:23px;top:-8px;width:2px;height:10px;background:#D5D9D2}
body.aieb-checkpoint .rail-step .n{display:grid;place-items:center;width:30px;height:30px;border:1.5px solid #C9CEC6;border-radius:50%;background:#fff;font:800 10px/1 ui-monospace,SFMono-Regular,Consolas,monospace}
body.aieb-checkpoint .rail-step b{display:block;color:var(--aieb-ink);font-size:13px;line-height:1.25;margin-bottom:3px}
body.aieb-checkpoint .rail-step small{display:block;font-size:10.5px;line-height:1.35}
body.aieb-checkpoint .rail-step.active{background:color-mix(in srgb,var(--cp) 11%,#fff);color:var(--cp)}
body.aieb-checkpoint .rail-step.active .n{background:var(--cp);border-color:var(--cp);color:#fff}
body.aieb-checkpoint .rail-step.complete .n{background:color-mix(in srgb,var(--cp) 14%,#fff);border-color:color-mix(in srgb,var(--cp) 42%,#C9CEC6);color:var(--cp)}
body.aieb-checkpoint .rail-step.complete b{color:var(--aieb-soft)}
body.aieb-checkpoint .rail-step.upcoming{opacity:.68}
/* Optional lessons (cp2, 2026-10-05): visible, clearly optional, never in the step count. */
body.aieb-checkpoint .rail-lessons{display:grid;gap:4px;margin-top:16px;padding-top:14px;border-top:1.5px dashed #D5D9D2}
body.aieb-checkpoint .rail-lessons-label{display:block;margin:0 8px 6px;color:var(--aieb-soft);font:400 12px/1.2 var(--font-accent);letter-spacing:.07em;text-transform:uppercase}
body.aieb-checkpoint .rail-lesson{display:grid;grid-template-columns:30px minmax(0,1fr);gap:10px;align-items:center;width:100%;padding:9px;border:0;border-radius:11px;background:transparent;color:var(--aieb-soft);font:inherit;text-align:left;cursor:pointer}
body.aieb-checkpoint .rail-lesson:hover{background:color-mix(in srgb,var(--cp) 7%,#fff)}
body.aieb-checkpoint .rail-lesson:focus-visible{outline:2px solid var(--cp);outline-offset:2px}
body.aieb-checkpoint .rail-lesson .n{display:grid;place-items:center;width:30px;height:30px;border:1.5px dashed #B9BFB5;border-radius:50%;background:#fff;font:800 10px/1 ui-monospace,SFMono-Regular,Consolas,monospace}
body.aieb-checkpoint .rail-lesson b{display:block;color:var(--aieb-ink);font-size:13px;line-height:1.25;margin-bottom:3px}
body.aieb-checkpoint .rail-lesson small{display:block;font-size:10.5px;line-height:1.35}
body.aieb-checkpoint .rail-lesson.active{background:color-mix(in srgb,var(--cp) 11%,#fff);color:var(--cp)}
body.aieb-checkpoint .rail-lesson.active .n{border-style:solid;border-color:var(--cp);color:var(--cp)}
body.aieb-checkpoint .sv-lessons{margin:18px 0 6px;padding:14px 14px 10px;border:1.5px dashed color-mix(in srgb,var(--cp) 55%,#C9CEC6);border-radius:14px;background:color-mix(in srgb,var(--cp) 5%,#fff)}
body.aieb-checkpoint .sv-lessons-h{display:flex;flex-wrap:wrap;gap:6px 10px;align-items:baseline;margin-bottom:8px;color:var(--aieb-ink);font-size:14.5px;line-height:1.45}
body.aieb-checkpoint .sv-lessons-tag{padding:1px 9px;border-radius:999px;background:#fff;border:1.5px solid color-mix(in srgb,var(--cp) 55%,#C9CEC6);color:var(--cp);font:400 13px/1.4 var(--font-accent);white-space:nowrap}
body.aieb-checkpoint .sv-lessons ol{list-style:none;margin:0;padding:0;display:grid;gap:6px}
body.aieb-checkpoint .sv-lessons button{display:grid;grid-template-columns:28px minmax(0,1fr) auto;gap:10px;align-items:center;width:100%;padding:9px 10px;border:1px solid #E1E4DE;border-radius:11px;background:#fff;color:var(--aieb-ink);font:inherit;text-align:left;cursor:pointer}
body.aieb-checkpoint .sv-lessons button:hover{border-color:color-mix(in srgb,var(--cp) 50%,#C9CEC6)}
body.aieb-checkpoint .sv-lessons button:focus-visible{outline:2px solid var(--cp);outline-offset:2px}
body.aieb-checkpoint .sv-l-n{display:grid;place-items:center;width:28px;height:28px;border:1.5px dashed #B9BFB5;border-radius:50%;font:800 10px/1 ui-monospace,SFMono-Regular,Consolas,monospace;color:var(--aieb-soft)}
body.aieb-checkpoint .sv-l-t b{display:block;font-size:14px;line-height:1.3}
body.aieb-checkpoint .sv-l-t small{display:block;color:var(--aieb-soft);font-size:12px}
body.aieb-checkpoint .sv-l-go{color:var(--cp);font-size:16px}
body.aieb-checkpoint .sv-lessons-jump{display:none}
@media(max-width:580px){body.aieb-checkpoint .sv-lessons-jump{display:inline-block;margin:0 0 10px;color:var(--cp);font-size:14px;font-weight:700;text-decoration:underline;text-underline-offset:3px}}
body.aieb-checkpoint .rail-note{margin:19px 8px 0;padding:12px;border:1px solid #DDE2DA;border-radius:10px;background:#fff}
body.aieb-checkpoint .rail-note b{display:block;color:var(--aieb-ink);font-size:12px;margin-bottom:4px}
body.aieb-checkpoint .rail-note span{display:block;color:var(--aieb-soft);font-size:11px;line-height:1.45}
body.aieb-checkpoint .checkpoint-main{min-width:0;padding:22px 24px 28px}
body.aieb-checkpoint .surface-row{margin:0 0 14px}
body.aieb-checkpoint .wizbar{margin:0 0 20px}
body.aieb-checkpoint .step{padding:24px;background:#fff;border:1px solid color-mix(in srgb,var(--cp) 25%,var(--aieb-line));border-radius:16px;box-shadow:0 10px 28px rgba(33,33,30,.07)}
body.aieb-checkpoint .step h2{font-size:clamp(23px,3vw,29px)}
body.aieb-checkpoint .cmd-block,body.aieb-checkpoint .gatebox,body.aieb-checkpoint .does{background:color-mix(in srgb,var(--cp) 4%,#fff);border-color:color-mix(in srgb,var(--cp) 28%,var(--aieb-line))}
body.aieb-checkpoint .btn.primary{color:#fff!important;box-shadow:0 9px 22px color-mix(in srgb,var(--cp) 18%,transparent)}
body.aieb-board{--aieb-page-gutter:clamp(40px,4vw,84px);--font-display:"Segoe UI",system-ui,-apple-system,BlinkMacSystemFont,sans-serif;--font-body:"Segoe UI",system-ui,-apple-system,BlinkMacSystemFont,Roboto,sans-serif;--font-accent:'Excalifont',"Segoe UI",system-ui,sans-serif;--font-mono:"SF Mono","Consolas",monospace;font-family:var(--font-body)}
body.aieb-board #boardview{width:100%;min-height:calc(100vh - 58px);margin:0;overflow:hidden;border:0;border-radius:0;background:#FAFAFA;box-shadow:none}
body.aieb-board .head{max-width:none;padding:18px var(--aieb-page-gutter) 15px;background:#fff}
body.aieb-board .board-identity{display:flex;align-items:center;gap:13px;margin:0 0 16px}
body.aieb-board .board-identity img{width:58px;height:58px;border:1.5px solid #D9DDD5;border-radius:50%;background:#fff;box-shadow:0 6px 18px rgba(33,33,30,.08)}
body.aieb-board .board-identity span{display:block;margin-bottom:2px;color:var(--green,#2D8C3C);font:400 13px/1.2 var(--font-accent);letter-spacing:.08em;text-transform:uppercase}
body.aieb-board .board-identity h1{margin:0;color:var(--aieb-ink);font-family:var(--font-display);font-size:clamp(24px,2vw,30px);line-height:1.05;letter-spacing:-.035em}
body.aieb-board .oprog{margin:0}
body.aieb-board .oprog-bar{height:7px;border-radius:999px;background:#E8EAE5}
body.aieb-board .oprog-label,body.aieb-board .oprog-pct{font-size:15px}
body.aieb-board .oprog-next{text-align:left;font-size:13px;line-height:1.45;margin-top:8px}
body.aieb-board #linknote{margin-left:var(--aieb-page-gutter)!important;margin-right:var(--aieb-page-gutter)!important}
body.aieb-board #nextbar{padding:0 var(--aieb-page-gutter)}
body.aieb-board .nextbar{max-width:none;margin:0 0 18px;padding:15px 17px;border-left:5px solid var(--nc);border-radius:12px;background:color-mix(in srgb,var(--nc) 6%,#fff);box-shadow:none}
body.aieb-board .nb-badge{font-family:var(--font-accent);font-size:13px;font-weight:400;line-height:1.3;letter-spacing:.06em}body.aieb-board .nb-title{font-family:var(--font-display);font-size:22px}body.aieb-board .nb-lead{font-size:14px;line-height:1.5}body.aieb-board .nb-go{padding:12px 17px;border-radius:9px;font-family:var(--font-accent);font-size:17px;font-weight:400;box-shadow:none}
body.aieb-board .map-label{margin:0 var(--aieb-page-gutter) 12px;font-family:var(--font-body);font-size:11px;font-weight:800;line-height:1.3;letter-spacing:0}
body.aieb-board .board-wrap{padding:0 var(--aieb-page-gutter) 22px}body.aieb-board .board{max-width:none;gap:12px;align-items:stretch}body.aieb-board .col{gap:6px;height:100%}body.aieb-board .col-head{padding:4px 3px 7px}
body.aieb-board .col-pill{font-size:clamp(12px,.68vw,13px);padding:6px 9px}body.aieb-board .col-state{font-size:10px}body.aieb-board .col-body{flex:1;min-height:clamp(330px,calc(100vh - 420px),590px);padding:11px;gap:9px;border-radius:13px;background:color-mix(in srgb,var(--cp) 4%,#fff)}
body.aieb-board .col.active .col-body{box-shadow:3px 4px 0 rgba(33,33,30,.09)}body.aieb-board .klist{gap:8px}body.aieb-board .kcard{gap:8px;padding:10px;border-radius:9px;background:#F4F4F0}
body.aieb-board .kcard.is-doing{background:color-mix(in srgb,var(--cp) 7%,#fff)}body.aieb-board .ktick{width:21px;height:21px;font-size:12px}body.aieb-board .kcard .ktitle{font-size:clamp(13px,.74vw,14px);line-height:1.38}
body.aieb-board .ktags{gap:4px;margin-top:8px}body.aieb-board .tag{padding:3px 7px;border-radius:5px;font-size:10.5px}body.aieb-board .col-go,body.aieb-board .col-hint,body.aieb-board .col-undo{font-size:12px}
body.aieb-board .col-foot{display:grid;grid-template-columns:minmax(0,1fr);gap:7px;width:100%}
body.aieb-board .col-go{display:flex;align-items:center;justify-content:center;width:100%;min-height:42px;padding:9px 12px;border-radius:9px;background:var(--cp);color:#fff;font-family:var(--font-accent);font-size:16px;font-weight:400;line-height:1.2;text-align:center;text-decoration:none}
body.aieb-board .col-go:hover{filter:brightness(.94);text-decoration:none}
body.aieb-board .col-undo{justify-self:center;margin:0}
body.aieb-board .col-hint{display:block;width:100%;line-height:1.4;text-align:center}
body.aieb-board .sg-go{font-family:var(--font-accent);font-size:16px;font-weight:400}
body.aieb-board #resources,body.aieb-board #admin{background:#fff}
@media(min-width:761px){
  body.aieb-board .head{display:grid;grid-template-columns:minmax(280px,.72fr) minmax(440px,1.28fr);align-items:center;gap:48px;padding-top:20px;padding-bottom:20px}
  body.aieb-board .board-identity{margin:0}
  body.aieb-board .map-label{display:flex;align-items:baseline;gap:10px;margin-bottom:10px;text-align:left;text-transform:none;letter-spacing:0}
  body.aieb-board .map-label strong{color:var(--aieb-ink);font-family:var(--font-display);font-size:17px}
  body.aieb-board .map-label span{color:var(--aieb-soft);font-family:var(--font-body);font-size:12.5px;font-weight:600}
  body.aieb-board .board{gap:12px;align-items:stretch}
  body.aieb-board .col{display:flex;height:100%}
  body.aieb-board .col-head{min-height:43px;padding:3px 3px 7px;cursor:default}
  body.aieb-board .col-pill{font-family:var(--font-accent);font-size:14px;font-weight:400;padding:6px 9px}
  body.aieb-board .col-state{margin-left:auto;padding:5px 8px;border:1px solid #D9DDD5;border-radius:999px;background:#F4F5F1;color:var(--aieb-soft);font-size:11px;line-height:1}
  body.aieb-board .col-state.done{border-color:#2D8C3C;background:#2D8C3C;color:#fff;font-size:13px;padding:6px 10px}
  body.aieb-board .col-state.active{border-color:color-mix(in srgb,var(--cp) 36%,transparent);background:color-mix(in srgb,var(--cp) 12%,#fff);color:var(--cp);font-size:12px}
  body.aieb-board .col-chev{display:none}
  body.aieb-board .col-body,body.aieb-board .col.open .col-body{display:flex;flex:1;min-height:clamp(370px,calc(100vh - 420px),600px);padding:12px;border-radius:13px;background:color-mix(in srgb,var(--cp) 4%,#fff)}
  body.aieb-board .col.active .col-body{box-shadow:3px 4px 0 rgba(33,33,30,.09),0 0 0 1px color-mix(in srgb,var(--cp) 24%,transparent)}
  body.aieb-board .klist{display:flex;gap:9px}
  body.aieb-board .kcard{min-height:0;padding:12px 11px;border-radius:10px;background:#fff}
  body.aieb-board .ktick{width:24px;height:24px;font-size:13px}
  body.aieb-board .kcard .ktitle{font-size:14.5px;line-height:1.4}
  body.aieb-board .tag{font-size:10.5px}
  body.aieb-board .col-foot{margin-top:auto;padding:10px 2px 1px;border-top:1px solid color-mix(in srgb,var(--cp) 18%,var(--aieb-line))}
  body.aieb-board .col-go{min-height:42px;padding:9px 11px;font-size:16px}
  body.aieb-board .col-hint,body.aieb-board .col-undo{font-size:12px}
}
@media(min-width:761px) and (max-width:1120px){body.aieb-board .head{grid-template-columns:1fr;gap:16px}body.aieb-board .col-body,body.aieb-board .col.open .col-body{min-height:360px}body.aieb-board .kcard .ktitle{font-size:15px}}
body.aieb-home .home{max-width:720px}body.aieb-home .oprog{border:1.5px solid var(--aieb-line);border-radius:16px;box-shadow:var(--aieb-shadow)}body.aieb-home .oprog-bar{height:9px;border:0;background:#E8EAE5}
body.aieb-home .cta{border:0;border-radius:12px;box-shadow:0 12px 28px rgba(45,140,60,.2);font-family:var(--font-accent,var(--excali,'Excalifont',system-ui,sans-serif));font-size:20px;font-weight:400}
body.aieb-checkpoint .btn.primary{font-family:var(--font-accent);font-size:16px;font-weight:400}
@media(max-width:1100px){body.aieb-checkpoint .checkpoint-grid{grid-template-columns:minmax(0,1fr);min-height:0}body.aieb-checkpoint .learning-rail,body.aieb-checkpoint .checkpoint-main{min-width:0;max-width:100%}body.aieb-checkpoint .learning-rail{border-right:0;border-bottom:1px solid #DDE2DA}body.aieb-checkpoint .learning-rail h1{margin-bottom:12px}body.aieb-checkpoint .rail-steps{display:flex;width:100%;max-width:100%;gap:7px;overflow-x:auto;padding:1px 0 8px;scroll-snap-type:x proximity;scrollbar-width:thin}body.aieb-checkpoint .rail-step{flex:0 0 min(260px,72vw);scroll-snap-align:start}body.aieb-checkpoint .rail-step+.rail-step{margin-top:0}body.aieb-checkpoint .rail-step+.rail-step:before{display:none}body.aieb-checkpoint .rail-note{margin-top:8px}}
@media(max-width:959px){body.aieb-board .map-label{display:flex;flex-wrap:wrap;justify-content:center;gap:4px 7px;text-transform:none;letter-spacing:0}body.aieb-board .map-label strong{color:var(--aieb-ink);font-family:var(--font-display);font-size:14px}body.aieb-board .map-label span{font-size:11px;font-weight:600}}
@media(max-width:760px){body.aieb-board .head{padding:14px 12px}body.aieb-board .board-identity{margin-bottom:14px}body.aieb-board .board-identity img{width:50px;height:50px}body.aieb-board .board-identity h1{font-size:25px}body.aieb-board #nextbar{padding:0}body.aieb-board .map-label{margin-left:14px;margin-right:14px}body.aieb-board .board-wrap{padding:0 10px 14px}body.aieb-board .col-head{padding:11px 12px}body.aieb-board .col-pill{font-size:14px}body.aieb-board .col-state{font-size:11px}body.aieb-board .col-body{min-height:0}body.aieb-board .kcard .ktitle{font-size:15px}body.aieb-board .tag{font-size:10.5px}body.aieb-board .col-go{min-height:46px;font-size:17px}body.aieb-board .col-hint,body.aieb-board .col-undo{font-size:12px}}
@media(max-width:580px){
  html,body{max-width:100%;overflow-x:hidden}
  .board-loader{padding:34px 22px 29px;border-radius:18px}.board-loader-mark{width:82px;height:82px}.board-loader-mark img{width:68px;height:68px}.board-loader-steps{font-size:9.5px}
  body.aieb-redesign .site-topbar,body.aieb-redesign>.topbar{min-height:54px;padding:8px 12px;gap:8px}
  body.aieb-redesign .site-brand,body.aieb-redesign .clo-logo{min-width:0;font-size:13px;white-space:nowrap}
  body.aieb-redesign .site-brand img,body.aieb-redesign .clo-logo img{width:28px;height:28px}
  body.aieb-checkpoint .wrap{width:100%;padding-bottom:92px}
  body.aieb-checkpoint .topbar{position:sticky;top:54px;z-index:35;margin:0;padding:9px 12px;background:rgba(247,248,244,.96);border-bottom:1px solid var(--aieb-line);backdrop-filter:blur(10px)}
  body.aieb-checkpoint .topbar .back{font-size:12px;font-weight:800}
  body.aieb-checkpoint .cp-badge{max-width:58%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:10px}
  body.aieb-checkpoint .checkpoint-window{border:0;border-radius:0;box-shadow:none}
  body.aieb-checkpoint .checkpoint-windowbar{display:none}
  body.aieb-checkpoint .learning-rail{padding:13px 14px 14px;background:#fff}
  body.aieb-checkpoint .learning-rail-label,body.aieb-checkpoint .learning-rail>h1,body.aieb-checkpoint .rail-steps,body.aieb-checkpoint .rail-lessons,body.aieb-checkpoint .rail-note{display:none}
  body.aieb-checkpoint .mobile-step-summary{display:block}
  body.aieb-checkpoint .mobile-step-summary>div:first-child{display:flex;align-items:baseline;justify-content:space-between;gap:12px}
  body.aieb-checkpoint .mobile-step-count{color:var(--cp);font:800 10px/1.2 ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:.05em;text-transform:uppercase;white-space:nowrap}
  body.aieb-checkpoint .mobile-current-title{display:block;min-width:0;color:var(--aieb-ink);font-size:16px;line-height:1.25;text-align:right}
  body.aieb-checkpoint .mobile-step-dots{display:flex;gap:5px;margin-top:10px}
  body.aieb-checkpoint .mobile-step-dots span{height:5px;flex:1;border-radius:999px;background:#E1E5DE}
  body.aieb-checkpoint .mobile-step-dots .complete{background:color-mix(in srgb,var(--cp) 48%,#DDE2DA)}
  body.aieb-checkpoint .mobile-step-dots .active{background:var(--cp)}
  body.aieb-checkpoint .checkpoint-main{padding:12px 12px 20px;background:#F5F7F1}
  body.aieb-checkpoint .mobile-surface{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:0 0 10px;padding:8px 10px;border:1px solid #DDE2DA;border-radius:10px;background:#fff;color:var(--aieb-soft);font-size:11px;font-weight:800}
  body.aieb-checkpoint .mobile-surface-select{min-width:0;max-width:180px;padding:5px 28px 5px 9px;border:1px solid #D5DAD2;border-radius:8px;background:#F7F8F4;color:var(--aieb-ink);font:800 12px/1.2 var(--font-body);appearance:auto}
  body.aieb-checkpoint .surface-row{display:none!important}
  body.aieb-checkpoint .wizbar{display:none}
  body.aieb-checkpoint .step{padding:17px 14px;border-radius:14px;box-shadow:none}
  body.aieb-checkpoint .step h2{font-size:23px;line-height:1.15}
  body.aieb-checkpoint .step>.nav{display:none}
  body.aieb-checkpoint .mobile-course-dock{position:fixed;z-index:80;left:0;right:0;bottom:0;display:flex;justify-content:space-between;gap:10px;padding:10px 12px calc(10px + env(safe-area-inset-bottom));background:rgba(255,255,255,.94);border-top:1px solid #D8DDD5;box-shadow:0 -8px 24px rgba(33,33,30,.08);backdrop-filter:blur(12px)}
  body.aieb-checkpoint .mobile-course-dock button{min-height:44px;padding:10px 18px;border:1px solid #D1D6CE;border-radius:10px;background:#fff;color:var(--aieb-ink);font:800 14px/1 var(--font-body)}
  body.aieb-checkpoint .mobile-course-dock .dock-next{margin-left:auto;background:var(--cp);border-color:var(--cp);color:#fff;font-family:var(--font-accent);font-size:16px;font-weight:400}
  body.aieb-board>.topbar{display:grid;grid-template-columns:minmax(0,1fr) auto}
  body.aieb-board>.topbar .surf{grid-column:1/-1;grid-row:2;width:100%}
  body.aieb-board>.topbar .whoami{grid-column:2;grid-row:1}
  body.aieb-board>.topbar .surface-label{display:none}
  body.aieb-board>.topbar .surface-toggle{width:100%;display:grid;grid-template-columns:repeat(3,1fr)}
  body.aieb-board>.topbar .sbtn{padding:8px 5px;font-size:11.5px}
  body.aieb-board .whoami span{display:none}
  body.aieb-board .whoami:before{content:"● Saved";color:#2D8C3C;font-size:10.5px;font-weight:800}
  body.aieb-board .whoami.is-local:before{content:"This device";color:var(--aieb-soft)}
  body.aieb-board .whoami{gap:7px;font-size:10.5px}
  body.aieb-board .head{padding-top:15px}
  body.aieb-board .board-identity img{width:44px;height:44px}
  body.aieb-board .board-identity h1{font-size:23px}
  body.aieb-board .nextbar{border-radius:0;border-left-width:4px}
}
@media(prefers-reduced-motion:reduce){body.aieb-redesign *,body.aieb-redesign *:before,body.aieb-redesign *:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

/* 2026-10-04 step view on checkpoint action steps (Rashid: "that works better"): one Done button right
   under the action, tick boxes on the proof step, extras in one "Need help with this step?" drawer. */
body.aieb-checkpoint .sv-done{display:block;width:100%;max-width:440px;margin:18px 0 6px;padding:14px 18px;font:400 19px/1.2 var(--font-accent);color:#fff;background:#2D8C3C;border:2px solid var(--aieb-ink);border-radius:255px 15px 225px 15px/15px 225px 15px 255px;box-shadow:3px 4px 0 rgba(33,33,30,.55);cursor:pointer}
body.aieb-checkpoint .sv-done:hover:not(:disabled){transform:translate(-1px,-1px)}
body.aieb-checkpoint .sv-done:disabled{background:#A9B5A6;box-shadow:none;cursor:not-allowed}
body.aieb-checkpoint .sv-checks{display:grid;gap:10px;margin:16px 0 4px}
body.aieb-checkpoint .sv-checks label{display:flex;gap:12px;align-items:flex-start;padding:12px 14px;border:1.5px dashed #2D8C3C;border-radius:10px;background:#EAF4EC;color:var(--aieb-ink);cursor:pointer;font-size:15.5px;line-height:1.45}
body.aieb-checkpoint .sv-checks input{width:22px;height:22px;flex:none;margin:1px 0 0;accent-color:#2D8C3C}
body.aieb-checkpoint .sv-checks.sv-nudge label{border-style:solid;border-width:2px}
body.aieb-checkpoint .sv-help{margin-top:14px;border:1.5px solid var(--aieb-line);border-radius:12px;background:#fff}
body.aieb-checkpoint .sv-help>summary{cursor:pointer;padding:13px 16px;font-weight:600;color:var(--aieb-ink)}
body.aieb-checkpoint .sv-help>*:not(summary){margin:0 16px 14px}
@media (prefers-reduced-motion:reduce){body.aieb-checkpoint .sv-done:hover:not(:disabled){transform:none}}