:root{color-scheme:dark;--bg:#09131f;--panel:#132231;--panel2:#193242;--line:#ffffff16;--text:#f4f7fa;--muted:#b3c4d4;--accent:#ffbd59;--green:#6ddbb4;--red:#ff9393;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:16px;background:var(--bg);color:var(--text)}*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button,a,input,select,textarea{touch-action:manipulation}button{cursor:pointer}button:disabled{opacity:.5;cursor:wait}button,.button{border:1px solid var(--line);border-radius:14px;padding:13px 19px;background:var(--panel);color:var(--text);font-weight:650;display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px}.primary{background:var(--accent);color:#15202a;border-color:transparent}.quiet{background:transparent}.danger{color:var(--red)}:focus-visible{outline:3px solid var(--accent);outline-offset:4px}input,select,textarea{width:100%;border:1px solid #566474;border-radius:12px;background:#0d1b29;color:var(--text);padding:13px;min-height:46px}input[type=checkbox]{width:22px;height:22px;min-height:0;accent-color:var(--accent)}label{display:grid;gap:8px;color:var(--muted);font-size:14px}label.check{display:flex;align-items:center}textarea{min-height:120px;resize:vertical}.skip{position:fixed;top:-100px;z-index:1000}.skip:focus{top:0;background:var(--bg);padding:20px}.top{height:82px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding:0 32px;gap:16px}.brand{font-size:17px;font-weight:750;letter-spacing:-.4px;display:flex;align-items:center;gap:12px}.brand b{display:grid;place-items:center;width:40px;height:40px;border-radius:13px;background:var(--accent);color:var(--bg);font-size:25px}.layout{display:grid;grid-template-columns:218px minmax(0,1fr);max-width:1500px;margin:auto}.side{padding:27px 15px;border-right:1px solid var(--line);min-height:calc(100vh - 82px)}.side a{display:flex;gap:13px;padding:14px;border-radius:13px;color:var(--muted);margin-bottom:6px;font-size:14px;font-weight:600}.side a[aria-current=page]{color:var(--accent);background:#ffbd5911}.side a span{font-size:18px;width:23px}main{padding:44px 48px;max-width:1220px;min-width:0;width:100%}h1{font-size:clamp(28px,4vw,42px);letter-spacing:-1.3px;margin:8px 0 12px}h2{font-size:23px;letter-spacing:-.4px}h3{font-size:18px}p{line-height:1.65}.muted,small{color:var(--muted)}.eyebrow{font-size:11px;letter-spacing:2px;text-transform:uppercase;color:var(--accent);font-weight:750}.row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.between{justify-content:space-between}.stack{display:grid;gap:18px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr));gap:18px}.card{border-radius:24px;border:1px solid var(--line);background:var(--panel);padding:26px;overflow-wrap:anywhere}.card.link{display:block;transition:border-color .15s}.card.link:hover{border-color:#ffbd5988}.hero-card{background:linear-gradient(125deg,#203a4d,#142333);padding:34px}.metric{font-size:34px;font-weight:750;display:block;color:var(--accent);margin:8px 0}.pill{font-size:12px;border-radius:8px;background:#ffffff09;padding:6px 9px;color:var(--muted)}.gap{margin-top:26px}.auth{max-width:460px;margin:6vh auto;padding:28px}.auth main{padding:0}.tabs{display:flex;gap:8px;flex-wrap:wrap;margin:20px 0}.tabs .active{border-color:var(--accent);color:var(--accent)}.divider{border:0;border-top:1px solid var(--line);margin:24px 0}.error{color:var(--red);white-space:pre-line}.good{color:var(--green)}.preline{white-space:pre-line}.option{display:flex;width:100%;text-align:left;justify-content:flex-start;padding:18px;margin:12px 0;font-weight:500;line-height:1.5}.option.correct{border-color:var(--green);background:#6ddbb415}.option.wrong{border-color:var(--red);background:#ff939315}.media{max-width:100%;max-height:400px;object-fit:contain;border-radius:12px;display:block;margin:16px auto}.lesson-body{font-size:18px;line-height:1.85;white-space:pre-line}.takeaway{border-left:3px solid var(--accent);padding:15px 20px;background:#ffbd5908}.progress{height:7px;background:#ffffff12;border-radius:5px;overflow:hidden}.progress div{height:100%;background:var(--accent)}progress{width:100%;accent-color:var(--accent)}.list-row{display:flex;gap:14px;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding:18px 0}.list-row:last-child{border:0}.list-row>a{flex:1}.empty{padding:35px;text-align:center;color:var(--muted)}#notice{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);max-width:90vw;background:var(--panel2);border:1px solid var(--line);box-shadow:0 8px 30px #0007;border-radius:15px;padding:15px 22px;z-index:50}#notice:empty{display:none}dialog{background:var(--panel);color:var(--text);border:1px solid var(--line);border-radius:22px;padding:28px;max-width:min(90vw,580px);width:100%}dialog::backdrop{background:#0009}.results{font-variant-numeric:tabular-nums}.results strong{color:var(--accent)}.diagram{width:100%;height:180px;border:1px solid var(--line);border-radius:16px;background:#081724}.readout{font-family:monospace;font-size:32px;color:var(--green);padding:24px;background:#091b22;border-radius:12px;text-align:center}.tools-controls{display:grid;grid-template-columns:1fr 1fr;gap:18px}.legal-links{font-size:13px;color:var(--muted)}.spinner{padding:30px;text-align:center;color:var(--muted)}@media(max-width:900px){main{padding:28px 22px}.layout{grid-template-columns:175px 1fr}.side{padding:22px 8px}.top{padding:0 22px}}@media(max-width:650px){.top{height:68px;padding:0 16px}.brand{font-size:14px}.brand b{width:33px;height:33px}.layout{display:block}.side{min-height:0;border:0;display:flex;overflow-x:auto;padding:8px;background:var(--bg);position:sticky;top:0;z-index:10;gap:4px}.side a{flex-shrink:0;flex-direction:column;align-items:center;font-size:10px;gap:4px;padding:9px;margin:0}.side a span{width:auto}main{padding:24px 16px 60px}.card{padding:21px;border-radius:20px}.hero-card{padding:25px}.tools-controls{grid-template-columns:1fr}.auth{margin:20px auto;padding:16px}.top .row{gap:4px}.top button{padding:9px}.metric{font-size:29px}}@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}@media print{.top,.side,button{display:none}.layout{display:block}body{background:white;color:black}.card{background:white;color:black;border-color:#aaa}main{max-width:none}}
.bench-diagram{display:block;width:100%;height:auto;max-height:300px;background:#081724;border-radius:18px;margin-bottom:20px}.side{overflow-y:auto}.side a{padding:11px 14px}.results{overflow-wrap:anywhere}.results .list-row{gap:24px}.results strong{text-align:right}.clock-actions{display:flex;gap:6px}input:invalid:not(:placeholder-shown){border-color:#61778b}@media(max-width:650px){.side a{padding:8px;font-size:10px}.side{overflow-x:auto;overflow-y:hidden}.grid.metrics{grid-template-columns:repeat(2,minmax(0,1fr))}.results .list-row{flex-wrap:wrap}}
.scene-canvas{width:100%;height:auto;background:#081724;border-radius:18px}.lesson-body{max-width:74ch}.side{max-height:calc(100vh - 82px);position:sticky;top:0}.print-report{background:white;color:#122333;padding:30px}.print-report h2,.print-report p{color:inherit}@media(max-width:650px){.side{max-height:none}.bench-diagram{min-height:170px}.scene-canvas{min-height:160px}}
.week{display:grid;grid-template-columns:repeat(7,1fr);gap:12px}.week>div{display:grid;gap:8px;text-align:center}.week small{font-size:11px}.week progress{width:100%}.zoom-image{max-width:100%;max-height:80vh;object-fit:contain;display:block}.report .metric{font-size:28px}.report .grid>div{padding:16px 0}.no-print{margin-bottom:18px}
@media print{.no-print,.top,.side,#notice,.skip{display:none!important}.layout{display:block!important}.report{break-inside:avoid;color:#14202c;background:white}body,main{background:white!important;color:#14202c!important;padding:0!important}.muted{color:#425264!important}.card{border-color:#ddd}.report .grid{grid-template-columns:repeat(4,1fr)}}

[hidden]{display:none!important}.brand img{width:40px;height:40px;border-radius:12px}.hero-crew{width:170px;float:right;margin:-25px 0 0 18px}.lesson-mentor{width:110px;float:right;margin:0 0 10px 18px}@media(max-width:650px){.hero-crew{width:110px;margin-top:0}.brand img{width:32px;height:32px}}

.offline-bar{grid-column:1/-1;background:#ffbd5918;color:var(--accent);padding:10px 24px;font-size:13px}

.report table{border-collapse:collapse;width:100%;font-size:14px}.report td,.report th{padding:12px 6px;border-bottom:1px solid var(--line);text-align:left}.report-activity{row-gap:20px}.report-profession{margin-top:32px}@media print{.report{break-inside:auto}.report-profession,table tr{break-inside:avoid}.report th,.report td{border-color:#ddd}.report h3{break-after:avoid}}

.subscription-page{max-width:740px;margin:0 auto;text-align:center}.subscription-emblem{display:grid;place-items:center;width:70px;height:70px;border:1px solid #ffbd5940;border-radius:24px;background:linear-gradient(145deg,#ffbd5920,#1c3443);color:var(--accent);font-size:34px;margin:0 auto 24px}.subscription-page h1{font-size:clamp(30px,5vw,44px);text-wrap:balance}.subscription-page>.muted{max-width:62ch;margin:18px auto 28px}.subscription-features{display:grid;gap:0;text-align:left;border:1px solid var(--line);border-radius:24px;background:linear-gradient(140deg,#1a3140,#132231);padding:8px 24px}.subscription-features>div{display:flex;gap:18px;align-items:center;border-bottom:1px solid var(--line);padding:8px 0}.subscription-features>div:last-child{border:0}.subscription-features span{color:var(--accent);font-size:22px}.subscription-features p{margin:10px 0}.subscription-features small{display:block;margin-top:3px}.subscription-actions{display:grid;gap:12px;margin:24px 0}.subscription-help{text-align:left;padding:18px 22px;border:1px solid var(--line);border-radius:18px;color:var(--muted)}.subscription-help summary{cursor:pointer;color:var(--text);font-weight:650}.subscription-links{justify-content:center;font-size:14px;margin:20px 0}.subscription-links>a{padding:8px}.subscription-page .legal-links{justify-content:center}.subscription-note{font-size:12px;color:var(--muted);margin-top:22px}.subscription-account{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:26px;flex-wrap:wrap}.subscription-account h2{margin:0}.subscription-account p{margin-bottom:0}