#bystander-course{--paper:oklch(98% .009 88);--ink:oklch(26% .024 65);--muted:oklch(46% .022 65);--line:oklch(84% .018 80);--honey:oklch(84% .12 84);--honey-light:oklch(95% .052 86);--green:oklch(35% .047 162);--green-light:oklch(94% .03 153);--blue:oklch(49% .17 263);--serif:'Spectral',Georgia,serif;--sans:'Hanken Grotesk',system-ui,sans-serif;background:var(--paper);color:var(--ink);font:16px/1.55 var(--sans)}
#bystander-course,#bystander-course *{box-sizing:border-box}
#bystander-course .course-main{max-width:1264px;margin:auto;padding:32px 48px 48px}
#bystander-course h2{font:400 34px/1.16 var(--serif);letter-spacing:-.6px;margin:0 0 20px;text-wrap:balance}
#bystander-course h3{font:600 22px/1.35 var(--serif);margin:28px 0 14px}
#bystander-course p,#bystander-course li{font-size:var(--body-size,18px);line-height:var(--body-lh,1.65);color:var(--body-ink,var(--ink));max-width:70ch}
#bystander-course p{margin:0 0 18px}
#bystander-course li{margin-bottom:12px}
#bystander-course a{color:var(--green);text-underline-offset:4px;overflow-wrap:anywhere}
#bystander-course button,#bystander-course textarea{font:inherit;color:var(--ink)}
#bystander-course button,#bystander-course summary{min-height:44px;touch-action:manipulation;cursor:pointer}
#bystander-course button:disabled{cursor:default}
#bystander-course :is(button,a,summary,textarea):focus-visible{outline:3px solid var(--blue);outline-offset:4px}
#bystander-course .explainer{max-width:760px;margin:0 auto 56px}
#bystander-course .explainer ul{padding-left:24px}
#bystander-course .mission{border-top:1px solid var(--line);margin-bottom:16px;padding-top:12px}
#bystander-course .mission summary{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:10px 0;list-style:none;flex-wrap:wrap}
#bystander-course .mission summary::-webkit-details-marker{display:none}
#bystander-course .mission summary>span:after{content:' +';font-weight:700}
#bystander-course .mission details[open] summary>span:after{content:' −'}
#bystander-course .stamps{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px;margin:12px 0 20px}
#bystander-course .stamp{border:1px dashed var(--line);border-radius:8px;padding:16px 10px;text-align:center;color:var(--muted)}
#bystander-course .stamp span{display:block;font-size:26px}
#bystander-course .stamp strong{display:block;font-size:14px;line-height:1.35;margin:5px 0}
#bystander-course .stamp small{font-size:12px}
#bystander-course .stamp.earned{background:var(--honey);border:1px solid var(--honey);color:var(--ink)}
#bystander-course #be-nav{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px;margin:0 0 24px}
#bystander-course #be-nav button{display:flex;align-items:center;gap:10px;text-align:left;border:0;border-bottom:2px solid var(--line);background:transparent;padding:12px 6px;font-size:14px;line-height:1.35;min-width:0}
#bystander-course #be-nav button>span{font-size:13px;flex:none}
#bystander-course #be-nav button[aria-current]{color:var(--green);border-color:var(--green);font-weight:700}
#bystander-course #be-nav button:disabled{color:var(--muted);opacity:.65}
#bystander-course #be-nav button:hover:not(:disabled){background:var(--honey-light)}
#bystander-course #lesson{scroll-margin-top:88px}
#bystander-course #lesson:focus{outline:none}
#bystander-course .lesson-grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);border:1px solid var(--line);border-radius:16px;overflow:hidden;background:oklch(99.5% .004 85)}
#bystander-course .scene{margin:0;min-width:0;background:var(--honey-light);align-self:stretch;position:relative}
#bystander-course .scene img{display:block;width:100%;height:auto;aspect-ratio:3/2;object-fit:cover}
#bystander-course .scene figcaption{font:500 24px/1.4 var(--serif);padding:28px 30px;color:var(--green);text-wrap:pretty}
#bystander-course .scene .scene-mark{margin:12px 30px 30px;font-size:13px;font-weight:700;letter-spacing:2px;color:var(--muted)}
#bystander-course .panel{padding:34px 36px;min-width:0;overflow-wrap:break-word}
#bystander-course .kicker{font:700 12px/1.5 var(--sans);letter-spacing:1.3px;text-transform:uppercase;color:var(--green);margin:0 0 10px}
#bystander-course .small{font-size:14px;line-height:1.5;color:var(--muted)}
#bystander-course fieldset{border:0;padding:0;margin:22px 0;min-width:0}
#bystander-course legend{font-weight:700;margin-bottom:12px}
#bystander-course .choices{display:grid;gap:10px}
#bystander-course .choice{display:flex;align-items:center;gap:12px;width:100%;text-align:left;border:1px solid var(--line);border-radius:8px;background:var(--paper);padding:13px 16px;min-height:49px;font-size:16px;line-height:1.5}
#bystander-course .choice>span{font-size:13px;font-weight:700;flex:none;color:var(--green)}
#bystander-course .choice:hover:not(:disabled){background:var(--green-light);border-color:var(--green)}
#bystander-course .choice.correct{background:var(--green-light);border-color:var(--green)}
#bystander-course .choice:disabled{opacity:1}
#bystander-course .check{border-top:1px solid var(--line);margin-top:28px;padding-top:24px}
#bystander-course .check h3{margin-top:0}
#bystander-course .feedback:not(:empty){background:var(--green-light);padding:16px;margin-top:12px;border-radius:8px;font-size:16px;line-height:1.6}
#bystander-course .feedback strong{display:block}
#bystander-course .feedback.retry{background:var(--honey-light)}
#bystander-course .debrief{margin:22px 0}
#bystander-course .results{margin:18px 0 24px}
#bystander-course .results>div{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.3fr);gap:16px;border-bottom:1px solid var(--line);padding:12px 0}
#bystander-course .results dt{color:var(--muted)}
#bystander-course .results dd{margin:0;font-weight:600}
#bystander-course .btn{display:inline-flex;align-items:center;justify-content:center;min-height:49px;max-width:100%;border:1px solid var(--honey);border-radius:8px;background:var(--honey);color:var(--ink);box-shadow:0 3px 0 oklch(67% .11 82);padding:12px 20px;margin-top:24px;font-weight:700;font-size:16px;text-align:center;transition:transform .15s ease-out}
#bystander-course .btn:hover{transform:translateY(-1px)}
#bystander-course .btn.secondary{background:var(--paper);box-shadow:none;border-color:var(--line)}
#bystander-course .action-list{padding-left:23px}
#bystander-course .reflection{margin-top:28px}
#bystander-course .reflection label{display:block;font-weight:600;line-height:1.5}
#bystander-course .reflection label span{font-weight:400}
#bystander-course textarea{width:100%;min-height:130px;resize:vertical;padding:14px;border:1px solid var(--line);border-radius:8px;background:var(--paper);margin:12px 0;font-size:16px}
#bystander-course .completion{border-top:1px solid var(--line);margin-top:28px;padding-top:8px}
#bystander-course .course-footer{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin:24px 0;color:var(--muted);font-size:14px}
#bystander-course progress{max-width:180px;width:100%;height:8px;accent-color:var(--green)}
#bystander-course .text-button{background:transparent;border:0;text-decoration:underline;text-underline-offset:4px;padding:10px 4px;color:var(--green)}
#bystander-course .reset-confirm{background:var(--honey-light);padding:20px;border-radius:8px}
#bystander-course .actions{display:flex;flex-wrap:wrap;gap:12px}
#bystander-course .actions .btn{margin-top:0}
#bystander-course .faq{max-width:760px;margin:60px auto 0}
#bystander-course .faq details{border-bottom:1px solid var(--line);padding:8px 0}
#bystander-course .faq summary{font-weight:600;padding:12px 0}
#bystander-course .faq p{padding:8px 0}
#bystander-course .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}
@media(max-width:900px){#bystander-course .course-main{padding:28px 24px 40px}#bystander-course .panel{padding:28px}#bystander-course #be-nav button{flex-direction:column;text-align:center;gap:6px}#bystander-course .scene figcaption{padding:24px;font-size:22px}}
@media(max-width:720px){#bystander-course .course-main{padding:24px 16px 36px}#bystander-course .explainer{margin-bottom:36px}#bystander-course .lesson-grid{grid-template-columns:minmax(0,1fr)}#bystander-course .scene figcaption{font-size:20px;padding:20px 22px}#bystander-course .scene .scene-mark{display:none}#bystander-course .panel{padding:28px 22px}#bystander-course h2{font-size:30px}#bystander-course #be-nav{gap:4px}#bystander-course #be-nav button{font-size:12px;padding:10px 2px}#bystander-course .stamps{grid-template-columns:repeat(3,minmax(0,1fr))}#bystander-course .results>div{grid-template-columns:minmax(0,1fr);gap:4px}#bystander-course .course-footer{gap:10px}#bystander-course .faq{margin-top:40px}}
@media(max-width:360px){#bystander-course .panel{padding:24px 16px}#bystander-course .choice{padding:12px}#bystander-course .stamps{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(prefers-reduced-motion:reduce){#bystander-course *,#bystander-course *:before,#bystander-course *:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}