:root{--red:#e31337;--red-soft:#fff1f3;--bg:#faf9f6;--card:#fff;--text:#212529;--muted:#686b70;--line:#e5e3df;--good:#127443;--bad:#b61b37;--shadow:0 16px 50px #24252606;color-scheme:light}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.6 Arial,Helvetica,sans-serif}body.dark{--bg:#17191d;--card:#202328;--text:#f6f4ef;--muted:#b5b8bf;--line:#383c43;--red-soft:#381c24;--good:#78dba7;--bad:#ff9bb0;color-scheme:dark}a{color:inherit;text-underline-offset:4px}button,input,select{font:inherit}button,a,input,select{touch-action:manipulation}button{cursor:pointer;border:1px solid var(--line);border-radius:8px;background:var(--card);color:var(--text);padding:12px 18px;font-weight:600;min-height:44px}button:hover{border-color:var(--red)}button:disabled{opacity:.5;cursor:not-allowed}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--red);outline-offset:4px}input[type=checkbox],input[type=radio]{accent-color:var(--red)}[hidden]{display:none!important}.top{max-width:1192px;margin:auto;padding:29px 36px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-size:28px;font-weight:800;letter-spacing:-1.5px}.brand img{object-fit:contain}.brand-light{font-weight:400}.brand small{font-size:9px;letter-spacing:1px;margin-left:10px;padding:4px 6px;border:1px solid var(--line);border-radius:4px;vertical-align:middle}nav{display:flex;align-items:center;gap:27px;font-size:13px}nav>a{text-decoration:none}.theme{font-size:16px;padding:7px 13px;min-height:38px}.theme span{font-size:12px;margin-left:5px}main{max-width:1192px;margin:auto;padding:0 36px}.hero{display:grid;grid-template-columns:1.25fr 1fr;align-items:center;gap:45px;padding:70px 0 62px}.eyebrow,.step{font-size:10px;letter-spacing:1.8px;font-weight:700}.eyebrow{color:var(--red)}.eyebrow span{display:inline-block;width:6px;height:6px;background:var(--red);border-radius:50%;margin-right:8px}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(42px,5.4vw,66px);line-height:1.08;letter-spacing:-3.1px;margin-bottom:23px}em{font-style:normal;color:var(--red)}.intro{font-size:16px;max-width:460px;color:var(--muted);line-height:1.8}.hero-notes{display:flex;gap:24px;font-size:11px;font-weight:600;margin-top:25px}.art{height:325px;position:relative;display:flex;align-items:center;justify-content:center}.hive-disc{width:180px;height:180px;border-radius:50%;background:var(--red);display:grid;place-items:center;transform:rotate(-10deg);box-shadow:16px 18px 0 var(--red-soft)}.hive-disc img{width:95px;height:105px;filter:brightness(0) invert(1)}.orbit{position:absolute;width:300px;height:300px;border:1px solid var(--line);border-radius:50%;transform:rotate(-25deg) scaleY(.72)}.orbit.second{transform:rotate(55deg) scaleY(.72);width:330px;height:330px}.float{position:absolute;font-size:11px;background:var(--card);border:1px solid var(--line);border-radius:8px;padding:12px 17px;box-shadow:var(--shadow)}.f1{left:0;top:30px;transform:rotate(-5deg)}.f2{right:0;bottom:38px;transform:rotate(5deg);font-size:9px;letter-spacing:1px}.f2 strong{font-size:13px;letter-spacing:0}.spark{position:absolute;color:var(--red)}.s1{right:35px;top:20px;font-size:48px}.s2{left:30px;bottom:60px;font-size:32px}.tiny{position:absolute;bottom:0;font-size:8px;letter-spacing:2px;color:var(--muted)}.play-layout{display:grid;grid-template-columns:1.28fr 1fr;gap:66px;align-items:start}.setup-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:30px;box-shadow:var(--shadow)}.card-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}.step{color:var(--muted)}.tag{font-size:9px;padding:4px 9px;border:1px solid var(--line);border-radius:20px;color:var(--muted)}h2{font-size:24px;letter-spacing:-.8px;line-height:1.25;margin-bottom:10px}.muted{color:var(--muted);font-size:13px}fieldset{border:0;padding:0;margin:25px 0}legend,.name-label{font-size:12px;font-weight:700;margin-bottom:10px;display:block}.lengths{display:grid;grid-template-columns:1fr 1fr;gap:12px}.lengths label{position:relative;cursor:pointer}.lengths input{position:absolute;right:12px;top:12px;width:15px;height:15px}.lengths label>span{display:flex;flex-direction:column;padding:19px 15px;border:1px solid var(--line);border-radius:8px}.lengths input:checked+span{border-color:var(--red);background:var(--red-soft);box-shadow:0 0 0 1px var(--red)}.lengths input:focus-visible+span{outline:3px solid var(--red);outline-offset:3px}.lengths strong{font-size:31px;line-height:1.3;letter-spacing:-1px}.lengths strong small{font-size:10px;font-weight:400;letter-spacing:0}.lengths span span{font-size:11px;font-weight:600;margin:8px 0 3px}.lengths b{float:right;color:var(--red)}.lengths small{font-size:10px;color:var(--muted)}.name-label span{float:right;color:var(--muted);font-weight:400}input:not([type=radio]):not([type=checkbox]),select{width:100%;border:1px solid var(--line);border-radius:7px;padding:12px;background:var(--bg);color:var(--text)}.field-note{color:var(--muted);font-size:10px;margin:7px 0}.feedback-setting{display:flex;justify-content:space-between;align-items:center;font-size:12px;margin:23px 0}.feedback-setting input{width:18px;height:18px}.primary{background:var(--red);border-color:var(--red);color:white}.primary:hover{background:#c90f30;border-color:#c90f30}#start{width:100%;text-align:left;position:relative;padding:14px 18px}#start:after{content:'→';position:absolute;right:18px}#load-status{text-align:center;margin-bottom:0}.side{padding-top:8px}.side h2{font-size:39px;line-height:1.08;letter-spacing:-1.7px;margin:20px 0 30px}.side ol{list-style:none;padding:0;margin:0}.side li{display:flex;gap:17px;margin:0 0 22px}.side li>span{border:1px solid var(--line);border-radius:50%;width:28px;height:28px;flex-shrink:0;display:grid;place-items:center;font-size:9px;color:var(--red)}.side li strong{font-size:12px}.side li p{font-size:12px;color:var(--muted);max-width:285px;margin:4px 0}.challenge{border-top:1px solid var(--line);margin-top:25px;padding-top:19px;font-size:12px;color:var(--muted)}.challenge strong{color:var(--text)}.challenge p{margin:7px 0}.topic-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-top:55px;padding:22px 0;display:flex;gap:27px;flex-wrap:wrap;font-size:10px;color:var(--muted)}.topic-strip>span:first-child{font-size:9px;letter-spacing:1.5px;color:var(--red);font-weight:700}.bottom-notes{display:grid;grid-template-columns:1fr 1fr;gap:70px;padding:49px 0}.bottom-notes h3{font-size:16px;letter-spacing:-.2px}.bottom-notes p:not(.step){font-size:11px;line-height:1.9;color:var(--muted)}footer{border-top:1px solid var(--line);max-width:1120px;margin:auto;padding:24px 0;color:var(--muted);font-size:10px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}footer p{width:100%;font-size:9px}.quiz-wrap{max-width:760px;margin:50px auto 80px}.quiz-top{display:flex;align-items:center;justify-content:space-between;font-size:12px}.text-btn{border:0;background:transparent;padding-left:0;color:var(--muted)}#progress{background:var(--line);height:5px;border-radius:10px;margin:18px 0 28px}#progress-fill{height:100%;background:var(--red);transition:width .25s}.question-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:35px}.question-card h1{font-size:30px;letter-spacing:-1px;line-height:1.3}.option{display:flex;gap:14px;align-items:center;text-align:left;width:100%;margin:11px 0;font-weight:400;padding:15px}.letter{border:1px solid var(--line);width:30px;height:30px;display:grid;place-items:center;flex-shrink:0;border-radius:5px;font-size:11px}.option.selected{border-color:var(--red);background:var(--red-soft)}.option.correct{border-color:var(--good)}.option.wrong{border-color:var(--bad)}.option:disabled{opacity:1}#feedback{padding:16px;background:var(--bg);border:1px solid var(--line);border-radius:8px;font-size:13px;margin-top:20px}#feedback p{margin:4px 0}.next-row{display:flex;justify-content:space-between;align-items:center;margin-top:25px;gap:20px}.results-wrap{padding:60px 0}.result-layout{display:grid;grid-template-columns:1.2fr 1fr;gap:48px;margin-top:30px}canvas{width:100%;height:auto;border-radius:12px;border:1px solid var(--line)}.share-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:15px}.share-actions button{font-size:12px}#format{margin-bottom:5px}.summary-panel{padding:25px;border:1px solid var(--line);background:var(--card);border-radius:12px;align-self:start}.summary-panel>button{display:block;width:100%;margin-top:12px}.topic-row{font-size:12px;margin:20px 0}.topic-row>div:first-child{display:flex;justify-content:space-between;gap:15px}.mini-bar{height:5px;background:var(--line);border-radius:5px;margin-top:8px}.mini-bar span{display:block;height:100%;background:var(--red);border-radius:5px}.review-header{display:flex;justify-content:space-between;align-items:center;gap:20px;margin:55px 0 22px}.review-header label{font-size:12px;white-space:nowrap}details{border-bottom:1px solid var(--line);padding:18px 0;font-size:13px}summary{cursor:pointer;font-weight:600;line-height:1.5}details p{margin:12px 0;color:var(--muted)}details .ok{color:var(--good)}details .no{color:var(--bad)}dialog{border:1px solid var(--line);border-radius:12px;background:var(--card);color:var(--text);padding:30px;max-width:420px}dialog::backdrop{background:#0008}@media(min-width:1500px){.hero{padding-top:85px}}@media(max-width:800px){.top{padding:22px 24px}main{padding:0 24px}.hero{gap:15px;padding:45px 0;grid-template-columns:1.2fr 1fr}.art{transform:scale(.8);transform-origin:center}.f1{left:-30px}.f2{right:-30px}.play-layout{gap:28px}.setup-card{padding:22px}.side h2{font-size:34px}.hero-notes{gap:13px;font-size:9px}.result-layout{gap:24px}footer{margin:0 24px}.bottom-notes{gap:30px}}@media(max-width:600px){.top{padding:19px 20px}.brand{font-size:25px}.brand img{width:27px}nav{gap:12px}nav>a{font-size:11px}.theme span{display:none}.theme{padding:5px 10px}main{padding:0 20px}.hero{display:block;padding:38px 0 28px}.hero h1{font-size:49px;letter-spacing:-2.5px}.intro{font-size:14px}.art{height:230px;transform:scale(.77);margin:-10px 0 -10px}.f1{left:0;top:0}.f2{right:0;bottom:0}.tiny{bottom:-26px}.hero-notes{font-size:10px;gap:18px}.play-layout{display:block}.setup-card{padding:22px 19px}.setup-card h2{font-size:22px}.side{padding:35px 5px 0}.side h2{font-size:32px}.side h2 br{display:none}.side h2 br:after{content:' '}.side li p{max-width:none}.bottom-notes{grid-template-columns:1fr;gap:18px;padding:32px 0}.topic-strip{gap:15px;margin-top:30px}.question-card{padding:23px 18px}.question-card h1{font-size:25px}.quiz-wrap{margin-top:25px}.next-row{flex-wrap:wrap}.next-row .primary{width:100%}.result-layout{grid-template-columns:1fr}.results-wrap{padding-top:35px}.results-wrap h1{font-size:42px}.review-header{display:block}.review-header h2{font-size:22px}.review-header label{display:block;margin-top:15px}footer{margin:0 20px;display:block}footer>span{display:block;margin-bottom:8px}}

/* Compact answers and page-wide quiz layout. */
.lengths{grid-template-columns:repeat(3,minmax(0,1fr));gap:9px}.lengths label>span{padding:16px 10px}.lengths strong{font-size:27px}.lengths input{right:7px;top:8px}.lengths span span{font-size:10px}.lengths small{font-size:9px}#layout{margin-bottom:6px}.option{font-size:13px;padding:10px 12px;gap:10px;margin:8px 0;min-height:44px}.letter{width:25px;height:25px;font-size:10px}.challenge:empty{display:none}.question-list-card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:24px;margin:20px 0}.question-list-card h2{font-size:21px;line-height:1.4;letter-spacing:-.4px}.question-list-card .answer-feedback{padding:14px;background:var(--bg);font-size:12px;margin-top:14px;border-radius:7px}.answer-feedback p{margin:5px 0}.quiz-wrap.all-layout{max-width:820px}#submit-all{width:100%;margin-top:15px}#all-status{color:var(--muted);font-size:12px}.page-views{flex-basis:100%;display:flex;align-items:center;gap:10px;font-size:12px;padding:10px 0}.page-views strong{font-size:16px}.page-views small{font-size:10px;color:var(--muted)}#snapshot-identity{overflow-wrap:anywhere}@media(max-width:600px){.lengths{gap:6px}.lengths label>span{padding:22px 7px 12px}.lengths strong{font-size:25px}.lengths strong small{font-size:8px}.lengths b{display:none}.lengths span span{font-size:9px}.lengths small{font-size:8px}.page-views{display:flex;flex-wrap:wrap}.page-views small{flex-basis:100%}.question-list-card{padding:19px 15px}.question-list-card h2{font-size:19px}}