:root{color-scheme:dark;--bg:#08111e;--panel:#101d2e;--line:#28364a;--muted:#acb8ca;--gold:#e4c365;--text:#f2f5fa}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 'Segoe UI',sans-serif}a{color:inherit;text-decoration:none}a:hover{color:var(--gold)}button,a,input,select,textarea{outline-offset:5px}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--gold)}.shell{display:flex;min-height:100vh}aside{width:242px;flex-shrink:0;background:#0b1626;border-right:1px solid var(--line);padding:20px;display:flex;flex-direction:column}.brand img{width:155px;height:103px;object-fit:contain;display:block;margin:auto}.brand span{display:block;text-align:center;font-size:12px;letter-spacing:1.5px;color:var(--gold);margin-bottom:42px}nav{display:grid;gap:9px}nav a{padding:13px;border-radius:8px;color:var(--muted)}nav a.active,nav a:hover{background:#e4c36514;color:var(--gold)}.aside-bottom{margin-top:auto;padding-top:75px;font-size:14px;color:var(--muted)}.aside-bottom a{display:block;margin-top:15px}.workspace{min-width:0;flex:1}header{min-height:80px;display:flex;justify-content:space-between;align-items:center;padding:20px 40px;border-bottom:1px solid var(--line);gap:15px;font-size:14px}.account{display:flex;align-items:center;gap:22px}.badge{font-size:12px;border:1px solid #d7c27d55;color:#efd999;padding:5px 10px;border-radius:5px;letter-spacing:.5px}.muted{color:var(--muted)}main{max-width:1400px;margin:auto;padding:42px 40px 60px}.heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:34px}h1{font-size:clamp(28px,3vw,42px);letter-spacing:-1.3px;line-height:1.2;margin:12px 0 18px;font-weight:600}h2{font-size:21px;font-weight:600;line-height:1.4;margin:0 0 15px}p{margin:10px 0 18px}.eyebrow{font-size:12px;letter-spacing:1.7px;color:var(--gold);font-weight:600}.button,button{border:1px solid var(--gold);border-radius:7px;background:var(--gold);color:#111a29;display:inline-block;padding:12px 18px;font:600 14px/1.5 'Segoe UI',sans-serif;cursor:pointer;text-align:center}.button:hover,button:hover{background:#f1d889;color:#0a1320}.secondary{background:transparent;color:var(--gold);border-color:#675936}.link{background:none;border:0;color:var(--text);padding:0}.filters{display:flex;gap:14px;align-items:end;flex-wrap:wrap;padding:20px;background:#101d2e;border:1px solid var(--line);border-radius:9px;margin-bottom:32px}.filters label{flex:1;min-width:120px;margin:0}.filters .search{flex:1.5;min-width:160px}label{display:block;font-size:14px;color:#c2cbda;margin-bottom:20px}input,select,textarea{display:block;width:100%;min-width:0;background:#0a1524;color:var(--text);border:1px solid #354359;border-radius:6px;padding:12px;font:16px 'Segoe UI',sans-serif;margin-top:8px}textarea{resize:vertical}.section-label{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:20px}.section-label h2{margin:0}.section-label span{font-size:14px}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;overflow:hidden}.card-art{height:190px;padding:24px;background:linear-gradient(125deg,#18374a,#0d2336);position:relative;overflow:hidden}.card-art:after{content:'';position:absolute;width:190px;height:190px;border:1px solid #e4c36533;border-radius:50%;right:-40px;top:-20px;box-shadow:0 0 0 30px #e4c36508,0 0 0 60px #e4c36505;pointer-events:none}.card-art.tool{background:linear-gradient(125deg,#1d2e34,#153338)}.art-text{font-size:30px;font-weight:300;letter-spacing:-.6px;margin-top:25px;color:#f5e3b3}.art-foot{font-size:13px;color:#bccad7}.card-body{padding:25px}.card-body h2{font-size:23px;max-width:430px}.card-body .muted{font-size:15px;min-height:75px}.card-end{border-top:1px solid var(--line);padding-top:18px;display:flex;align-items:center;justify-content:space-between;font-weight:600}.round-link{border:1px solid #6b603b;width:38px;height:38px;display:grid;place-items:center;border-radius:50%;color:var(--gold)}.callout{border:1px solid var(--line);border-radius:12px;margin-top:32px;padding:28px;display:flex;align-items:center;justify-content:space-between;gap:24px;background:linear-gradient(100deg,#142036,#0e1b2b)}.callout p:last-child{margin-bottom:0}.panel{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:28px;margin-bottom:24px;min-width:0}.two-col{display:grid;grid-template-columns:1.2fr 1fr;gap:24px}.narrow{max-width:530px;margin:20px auto}.prose{white-space:pre-wrap;overflow-wrap:anywhere}.lesson-row{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:18px 0;border-bottom:1px solid var(--line)}.lesson-row:last-child{border:0}.number{font-size:22px;color:var(--gold)}.lesson-row .muted{font-size:14px}.notice{padding:16px;border:1px solid #a48a42;background:#e4c36512;border-radius:8px;margin-bottom:20px}.big{font-size:clamp(32px,4vw,55px);letter-spacing:-1px;color:var(--gold);margin:20px 0 35px}.big small{font-size:22px}.metric{display:flex;justify-content:space-between;gap:15px;border-top:1px solid var(--line);padding:20px 0}.results{background:linear-gradient(135deg,#182d38,#111f2d)}.formulas{margin-top:10px}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.stats strong{font-size:35px;color:var(--gold)}.check{display:flex;align-items:center;gap:10px}.check input{width:auto;margin:0}footer{display:flex;gap:25px;padding:25px 40px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}.skip{position:absolute;top:-100px}.skip:focus{top:5px;left:5px;z-index:9;padding:12px;background:var(--bg)}@media(min-width:1600px){main{padding-top:55px}.card-art{height:220px}}@media(max-width:1000px){aside{width:195px;padding:14px}main{padding:28px 22px}header{padding:18px 22px}.heading{align-items:start;flex-direction:column}.filters label{flex-basis:35%}.two-col{grid-template-columns:1fr}.art-text{font-size:24px}.callout{align-items:start;flex-direction:column}}@media(max-width:700px){.shell{display:block}aside{width:100%;padding:12px 18px;border-right:0;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px}.brand img{width:70px;height:47px;margin:0}.brand span{margin:0;font-size:11px}nav{display:flex;overflow:auto;margin-top:8px;gap:4px}nav a{white-space:nowrap;font-size:14px;padding:9px}.aside-bottom{display:none}header{padding:14px 18px;min-height:0}header>span{display:none}.account{width:100%;justify-content:space-between}main{padding:26px 18px}.grid{grid-template-columns:1fr}.filters{padding:15px;gap:12px}.filters label{flex-basis:100%}.filters button{width:100%}.card-art{height:175px}.heading{gap:12px}.heading .button{width:100%}.panel{padding:20px}.stats{gap:10px}.stats .panel{padding:12px}.stats strong{font-size:26px}.stats p{font-size:12px}.lesson-row{flex-wrap:wrap}footer{padding:20px 18px;gap:15px;flex-wrap:wrap}.metric{flex-wrap:wrap}.card-body .muted{min-height:0}}
@media(max-width:700px){nav{flex-wrap:wrap;overflow:visible}nav a{font-size:13px;padding:8px}}