:root{--bg:#f2f4ee;--ink:#183c37;--muted:#5d7069;--green:#126951;--lime:#d6eb8f;--line:#dce4d9;--paper:#fffef9;--orange:#b65b26}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 system-ui,Segoe UI,sans-serif}button,input,select,textarea{font:inherit}button{cursor:pointer;border:1px solid var(--line);border-radius:11px;padding:10px 15px;background:var(--paper);color:var(--ink)}button:hover{border-color:var(--green);background:#e8f2dc}button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #dd8b35;outline-offset:3px}button:disabled{opacity:.5;cursor:default}.primary{background:var(--green);color:white;border-color:var(--green)}.primary:hover{background:#0f5343}.shell{max-width:1400px;margin:auto;display:grid;grid-template-columns:265px 1fr;min-height:100vh}aside{padding:35px 24px;border-right:1px solid var(--line);background:#e6eddf;position:sticky;top:0;height:100vh;overflow:auto}main{padding:36px 40px;min-width:0}.brand{font-size:26px;font-weight:800;line-height:1.15;letter-spacing:-1px}.brand small{display:block;font-size:12px;letter-spacing:2px;text-transform:uppercase;margin-bottom:12px;font-weight:600}.nav{display:grid;gap:7px;margin:28px 0}.nav button{text-align:left;background:transparent;border-color:transparent}.nav button.active{background:var(--ink);color:white}.quiet{color:var(--muted);font-size:14px}.hero{border-radius:22px;background:var(--ink);color:white;padding:35px;position:relative}.hero h1{font-size:clamp(28px,4vw,44px);line-height:1.13;margin:12px 0 18px;letter-spacing:-1px}.hero p{max-width:650px;color:#dce9df}.kicker{color:var(--lime);text-transform:uppercase;letter-spacing:2px;font-size:12px}.stats{display:flex;gap:14px;flex-wrap:wrap;margin:22px 0}.stat{padding:15px 20px;background:var(--paper);border:1px solid var(--line);border-radius:14px;flex:1;min-width:140px}.stat 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.clickpoint{cursor:pointer;outline:none}.visual .clickpoint:focus circle{stroke:#e9952c;stroke-width:4}.point-label{pointer-events:none}.cellgrid{display:grid;grid-template-columns:repeat(5,1fr);gap:3px;max-width:330px;margin:auto}.cellgrid button{height:56px;padding:0;position:relative;border-radius:5px;background:white}.cellgrid button.on{background:var(--lime);border:2px solid var(--green)}.cellgrid small{position:absolute;top:0;left:4px;font-size:10px;color:var(--muted)}.cellgrid b{font-size:22px}.answerline{margin-top:24px}.answerline input{width:100%;padding:13px 15px;border:1px solid #bccfc2;border-radius:9px;background:white;margin:7px 0 12px}.feedback{border-left:4px solid var(--green);padding:12px 16px;background:#e8f1dc;margin:18px 0}.feedback.bad{border-color:var(--orange);background:#fff0dc}.hintbox{border:1px dashed #b8cab6;border-radius:12px;padding:14px;margin-top:15px}details{border-top:1px solid var(--line);padding:15px 0}summary{cursor:pointer;font-weight:650}textarea{width:100%;min-height:130px;border:1px solid var(--line);border-radius:9px;padding:12px;resize:vertical;background:white}.rubric label{display:block;padding:6px 0}.rubric input{margin-right:8px}progress{width:100%;height:12px;accent-color:var(--green)}.notice{padding:12px 16px;background:#fff0d9;border-radius:10px;font-size:14px}.hidden{display:none!important}.badge{padding:6px 11px;border-radius:25px;border:1px solid #acbcab;margin-right:6px;display:inline-block;font-size:13px}a{color:var(--green)}.module-meta{display:flex;justify-content:space-between;gap:10px}.shops{gap:2px;max-width:420px}.shops button{height:auto;aspect-ratio:1;font-size:18px}.dice-caption{text-align:center}.nextbox{margin-top:18px;background:#e7efdc;padding:17px;border-radius:12px}@media(max-width:850px){.shell{grid-template-columns:1fr}aside{position:static;height:auto;padding:18px 22px;border-right:0}.brand{font-size:21px}.nav{display:flex;flex-wrap:wrap;margin:13px 0 0}.nav button{font-size:14px;padding:6px 10px}aside .aside-details{display:none}main{padding:24px 18px}.hero{padding:25px}.grid{grid-template-columns:1fr}.question{font-size:19px}}@media print{aside,.filters,button,.answerline{display:none}.shell{display:block}main{padding:0}.card,.hero{break-inside:avoid;background:white;color:black;border:1px solid #aaa}body{background:white}}
.quiet,.question,h1{overflow-wrap:anywhere}.answerline input{min-width:0}

.login{max-width:600px;margin:25px 0}.login input{display:block;width:100%;padding:12px;margin:10px 0 18px;border:1px solid #bccfc2;border-radius:9px}.notes{margin-top:20px}.reveal{margin-top:20px}.skill.ready{border-color:#126951}.skill.practice{border-color:#c58643}.skill.not_studied{opacity:.8}.brand{overflow-wrap:anywhere}.hero button{background:#d6eb8f;border-color:#d6eb8f;color:#183c37}.nav button:disabled{opacity:.5}.login h2{margin-top:0}

.olympiad-entry{display:flex;flex-direction:column;align-items:flex-start;gap:8px;margin:26px 0 24px}.hero .olympiad-cta{font-size:20px;font-weight:800;padding:15px 24px;box-shadow:0 4px 0 #0d2925}.olympiad-entry>span{font-size:14px;color:#dce9df}.nav button.olympiad-nav{background:var(--lime);border-color:#a5bf62;font-weight:800}.nav button.olympiad-nav:hover{background:#c6e477}.nav button.olympiad-nav.active{background:var(--ink);border-color:var(--ink);color:white}@media(max-width:850px){.nav button.olympiad-nav{padding:10px 14px}.hero .olympiad-cta{width:100%;text-align:left;font-size:19px}.olympiad-entry{align-items:stretch}}