@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700;800&family=Manrope:wght@400;500;600;700;800&display=swap');
:root{color-scheme:dark;--bg:#08152c;--panel:#102343;--panel2:#142b50;--border:#30476b;--gold:#f2c565;--blue:#64b4f8;--white:#f5f8ff;--muted:#b9c9de;--ok:#59deb3;--bad:#ff9eac;--rad:20px;font-family:'DM Sans',sans-serif}*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 80% 0,#183b65 0,transparent 40%),var(--bg);color:var(--white);min-height:100vh;line-height:1.6}button,input{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.5}a{color:var(--gold)}.shell{min-height:100vh;display:flex;flex-direction:column}.container{width:min(1100px,calc(100% - 36px));margin-inline:auto}.topbar{background:#08162ce9;border-bottom:1px solid #ffffff17;padding:21px 0}.brand{display:flex;align-items:center;gap:12px}.logo{width:49px;height:49px;display:grid;place-items:center;border-radius:14px;background:linear-gradient(145deg,#f6d992,#ba8b37);color:#132749;font-size:26px}.brandname{font-weight:800;letter-spacing:.02em;font-family:Manrope,sans-serif}.tagline{font-size:12px;color:var(--muted)}main{flex:1;padding:38px 0 75px}.eyebrow{color:var(--gold);font-size:12px;font-weight:800;letter-spacing:.16em;text-transform:uppercase}.heading{font-family:Manrope,sans-serif;font-weight:800;letter-spacing:-.035em;line-height:1.18;margin:12px 0 10px;font-size:clamp(30px,5vw,52px)}h2,h3{font-family:Manrope,sans-serif;line-height:1.3}p{margin-top:0}.muted{color:var(--muted)}.gold{color:var(--gold)}.intro{max-width:740px;color:var(--muted);font-size:17px}.panel{background:linear-gradient(145deg,#12294b,#0d203d);border:1px solid var(--border);border-radius:var(--rad);padding:27px;box-shadow:0 22px 45px #020a1852}.coursehero{padding:35px 0}.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:22px 0 30px}.stat{background:#132849;border:1px solid var(--border);border-radius:15px;padding:18px}.stat strong{font-family:Manrope;font-size:24px;display:block}.stat span{color:var(--muted);font-size:12px}.modulegrid{display:grid;gap:14px}.moduleitem{display:flex;align-items:center;gap:17px;padding:19px 21px;text-align:left;color:inherit;width:100%;background:var(--panel);border:1px solid var(--border);border-radius:16px}.moduleitem:not(:disabled):hover,.moduleitem:focus-visible{border-color:var(--gold);outline-offset:3px}.moduleitem .emoji{font-size:28px;border-radius:12px;background:#213a5e;padding:11px}.modcopy{flex:1}.modcopy strong{display:block;font-size:17px}.modcopy small{color:var(--muted);display:block}.pill{color:var(--gold);border:1px solid #d4a94b77;background:#dfad4017;border-radius:50px;padding:5px 11px;font-weight:800;font-size:11px;white-space:nowrap}.pill.done{color:var(--ok);border-color:#59deb377}.pill.locked{color:var(--muted);border-color:#52627a77}.button{border:none;border-radius:13px;padding:14px 22px;background:linear-gradient(135deg,#f8d47e,#d7a74f);color:#142039;font-weight:800;box-shadow:0 9px 24px #040d1c55}.button.secondary{background:#1e416e;color:var(--white);border:1px solid #4876a6;box-shadow:none}.button.ghost{background:transparent;color:var(--muted);border:1px solid var(--border);box-shadow:none}.button:hover:not(:disabled){filter:brightness(1.08)}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.courseprogress{height:10px;border-radius:100px;background:#344862;overflow:hidden;margin:12px 0}.courseprogress div{height:100%;background:linear-gradient(90deg,#3f9edb,#f1bf58);border-radius:100px;transition:width .25s}.lessonlist{display:grid;gap:14px;margin-top:25px}.lessoncard{border:1px solid var(--border);background:#152c4f;border-radius:15px;padding:20px 22px}.lessoncard h3{font-size:18px;margin:0 0 8px;color:var(--gold)}.lessoncard p{margin:0;line-height:1.8}.notes{margin-top:28px}.notesgrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:13px}.note{padding:17px 19px;border-left:3px solid var(--gold);background:#1a3457;border-radius:10px;color:#e7f1ff}.questionbox{max-width:800px;margin:auto}.question{font-size:clamp(23px,3.5vw,33px);line-height:1.3;margin:22px 0}.answers{display:grid;gap:12px;margin-top:23px}.answer{display:flex;gap:15px;align-items:flex-start;text-align:left;width:100%;background:#163052;color:var(--white);border:1px solid #47618a;padding:17px 18px;border-radius:13px;line-height:1.55}.answer .letter{flex:0 0 30px;height:30px;display:grid;place-items:center;background:#28486d;border-radius:8px;font-weight:800;color:var(--gold)}.answer:hover:not(:disabled){border-color:var(--gold)}.answer.correct{border-color:var(--ok);background:#174a47}.answer.wrong{border-color:var(--bad);background:#4a253a}.alert{border:1px solid #e5b65683;border-radius:14px;padding:16px 20px;background:#71501b30;margin:16px 0;color:#ffdf9e}.alert.success{border-color:#3bb99288;background:#19635330;color:#a6f4d5}.alert.error{border-color:#e7799088;background:#7926374d;color:#ffd3da}.gate{min-height:100vh;display:flex;flex-direction:column}.gatemain{flex:1;display:grid;place-items:center;padding:36px 18px}.gatebox{max-width:520px;width:100%;text-align:center;padding:36px}.gateicon{margin:auto;width:75px;height:75px;border:1px solid #e2ba64;border-radius:20px;display:grid;place-items:center;background:#ebc16819;font-size:33px}.gatebox h1{font-size:clamp(26px,5vw,35px);font-family:Manrope;line-height:1.25;margin:22px 0 12px}.gatebox input{width:100%;background:#071932;border:1px solid #567198;border-radius:12px;padding:15px 17px;color:white;outline:none;margin:10px 0 13px}.gatebox input:focus{border-color:var(--gold)}.gatebox .button{width:100%}.footer{margin-top:auto;border-top:1px solid #ffffff25;background:#071326;padding:35px 18px;text-align:center;color:#aebed3;font-size:13px;line-height:1.9}.footer strong{color:#e9f1ff;font-size:15px}.footer span{display:block}.tiny{font-size:12px;color:var(--muted)}.iconbig{font-size:55px}.center{text-align:center}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(max-width:600px){main{padding-top:23px}.panel{padding:20px}.gatebox{padding:26px 20px}.stats{gap:7px}.stat{padding:11px}.stat strong{font-size:20px}.notesgrid{grid-template-columns:1fr}.moduleitem{gap:12px;padding:14px}.moduleitem .emoji{font-size:23px;padding:8px}.pill{font-size:10px;padding:4px 7px}.modcopy strong{font-size:14px}.modcopy small{font-size:11px}.heading{font-size:32px}.question{font-size:24px}.answer{padding:14px}.actions .button{flex:1}}