@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@400;500;600;700;800&display=swap');
:root{--green:#147d60;--ink:#172f2a;--muted:#697a75;--line:#dfe7e3;--bg:#f6f8f7}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px 'DM Sans',Arial,sans-serif}button,input,select{font:inherit}button,a,select{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}button:focus-visible,a:focus-visible,select:focus-visible,input:focus-visible{outline:3px solid #d2922c;outline-offset:3px}aside{position:fixed;inset:0 auto 0 0;width:264px;background:white;border-right:1px solid var(--line);padding:33px 22px;display:flex;flex-direction:column;overflow:auto}.brand{font:bold 29px Manrope,Arial;letter-spacing:-1.2px;display:flex;align-items:center;color:var(--ink);text-decoration:none}.brand-dot{color:var(--green)}.logo{display:inline-grid;place-items:center;background:var(--green);color:white;font-size:23px;width:36px;height:39px;border-radius:9px;margin-right:10px;letter-spacing:0}.eyebrow{font-size:11px;letter-spacing:1.9px;margin:16px 0 36px;color:var(--muted);font-weight:700}nav{display:grid;gap:7px}.nav{border:0;background:none;text-align:left;padding:13px 12px;border-radius:7px;display:flex;gap:12px;color:#60736c;font-size:15px}.nav.active{background:#eaf4ef;color:#137453;font-weight:bold}.side-caption{font-size:11px;letter-spacing:1.7px;color:#89958f;margin:34px 12px 18px}.module-link{border:0;background:none;text-align:left;display:flex;gap:12px;align-items:center;width:100%;padding:11px 12px;color:#65776f;font-size:14px}.module-link.selected{color:var(--green);font-weight:bold}.module-num{font-size:12px;border:1px solid var(--line);border-radius:50%;width:24px;height:24px;flex-shrink:0;display:grid;place-items:center}.side-bottom{margin-top:auto;padding-top:32px;display:flex;gap:10px;font-size:12px;align-items:center}.side-bottom small{display:block;color:var(--muted);font-size:11px;line-height:1.6;margin-top:4px}.excel-icon{background:#e8f3ec;color:var(--green);padding:8px 10px;font-weight:bold}.shell{margin-left:264px}header{height:80px;padding:0 44px;background:white;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:11px;letter-spacing:1.5px;color:var(--muted)}.header-right{display:flex;align-items:center;gap:20px;font-size:13px;letter-spacing:0}.avatar{background:#f0ede4;border-radius:50%;padding:11px;font-size:12px;color:#716653}main{max-width:1400px;margin:auto;padding:38px 44px 50px}h1,h2,h3{font-family:Manrope,Arial,sans-serif}h1{font-size:35px;letter-spacing:-1.3px;line-height:1.25;margin:9px 0 12px}h2{font-size:21px;letter-spacing:-.5px}h3{font-size:17px;line-height:1.4}p{line-height:1.65}.muted{color:var(--muted)}.kicker{font-size:11px;letter-spacing:1.7px;color:var(--green);font-weight:700}.intro{display:flex;justify-content:space-between;gap:22px;align-items:center;margin-bottom:27px}.intro p{margin:0;color:var(--muted);font-size:15px}.outline,.primary,.text-btn{border:1px solid var(--line);border-radius:6px;padding:11px 17px;background:white;color:var(--ink);font-size:14px;font-weight:600}.primary{background:var(--green);border-color:var(--green);color:white}.text-btn{border:0;background:none;color:var(--green);padding-left:0}.continue{display:grid;grid-template-columns:1.35fr 1fr;background:#153e33;color:white;border-radius:13px;overflow:hidden;margin-bottom:29px}.continue-left{padding:30px 32px}.continue .kicker{color:#93c9af}.continue h2{font-size:27px;margin:12px 0}.continue p{color:#bbd0c5;font-size:14px;max-width:430px;margin-bottom:22px}.continue .primary{background:#e8f5ae;color:#204632;border:0}.lesson-meta{font-size:12px;color:#b8cfc2;margin:15px 0}.mini-sheet{background:#214e40;margin:25px 27px 25px 0;border:1px solid #4b6c5f;border-radius:7px;align-self:center;overflow:hidden;transform:rotate(-2deg);font:12px monospace;box-shadow:0 16px 25px #06251a55}.sheet-toolbar{padding:13px;border-bottom:1px solid #4b6c5f;color:#bdd5c7}.sheet-row{display:grid;grid-template-columns:30px 1.5fr 1fr 1fr}.sheet-row span{padding:10px 7px;border-right:1px solid #4b6c5f;border-bottom:1px solid #4b6c5f}.sheet-row.highlight{background:#cbe6a8;color:#173d31}.formula-mini{padding:15px;color:#e0efa4;font-size:11px}.overview{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin:0 0 34px}.stat{background:white;border:1px solid var(--line);border-radius:8px;padding:19px 20px;display:flex;align-items:center;gap:15px}.stat-icon{background:#f0f5f2;border-radius:8px;padding:12px;color:var(--green)}.stat strong{font-size:17px}.stat small{display:block;font-size:12px;color:var(--muted);margin-top:5px}.section-head{display:flex;justify-content:space-between;align-items:center;margin:0 0 18px}.section-head h2{margin:0}.section-head span{font-size:13px;color:var(--muted)}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{background:white;border:1px solid var(--line);border-radius:9px;padding:23px;display:flex;flex-direction:column;min-height:250px;transition:transform .15s,border-color .15s}.card:hover{transform:translateY(-3px);border-color:#91b6a6}.card-top{display:flex;justify-content:space-between;align-items:center}.number{font-size:12px;color:var(--muted)}.topic-icon{font-family:monospace;color:var(--green);font-size:24px;background:#ecf5ef;width:45px;height:45px;border-radius:9px;display:grid;place-items:center}.card h3{margin:20px 0 7px}.card p{font-size:14px;color:var(--muted);margin:0 0 18px}.card-foot{margin-top:auto;border-top:1px solid #eef1ef;padding-top:14px;display:flex;justify-content:space-between;font-size:12px;color:var(--muted)}.card-foot button{border:0;background:none;color:var(--green);font-size:13px;font-weight:bold}.progress-track{height:5px;background:#e2eae5;border-radius:5px;margin-top:11px;overflow:hidden}.progress-track i{display:block;height:100%;background:var(--green)}.bottom-note{display:flex;gap:18px;align-items:center;margin-top:27px;padding:23px 27px;border:1px solid #d8e4dc;border-radius:8px;background:#edf3ef}.bottom-note p{margin:4px 0 0;font-size:14px;color:var(--muted)}footer{padding:0 44px 25px;color:#7b8982;font-size:11px;display:flex;justify-content:space-between;gap:20px}.lesson-layout{display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:24px}.panel{background:white;border:1px solid var(--line);border-radius:9px;padding:28px;margin-bottom:20px}.panel h2{margin-top:0}.panel p,.panel li{font-size:16px;line-height:1.75}.panel li{padding:5px 0}.code{background:#183c32;color:#e0efba;padding:20px;border-radius:7px;white-space:pre-wrap;overflow-wrap:anywhere;font:14px/1.7 monospace;overflow:auto}.callout{background:#eef5f0;border-left:3px solid var(--green);padding:16px 20px;font-size:14px;line-height:1.7;margin-top:20px}.lesson-side .panel{padding:22px}.lesson-side p{font-size:14px}.lesson-side ol{padding-left:18px}.lesson-side li{font-size:14px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px}details{margin-top:17px;border:1px solid var(--line);border-radius:6px;padding:15px}summary{cursor:pointer;font-weight:600;font-size:14px}input{padding:12px;border:1px solid #b8c9bf;border-radius:6px;max-width:100%;width:180px}.feedback{font-size:14px;margin-top:12px;line-height:1.6}.table-wrap{overflow:auto}table{border-collapse:collapse;width:100%;font-size:14px;white-space:nowrap}th{text-align:left;background:#f1f5f2;color:#62736a;font-size:12px;font-weight:600}td,th{padding:13px;border-bottom:1px solid var(--line)}.dash-kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:20px 0}.dash-kpis .panel{padding:20px;margin:0}.dash-kpis strong{display:block;font-size:27px;margin-top:12px}.dash-kpis small{font-size:12px;color:var(--muted)}select{border:1px solid var(--line);background:white;padding:11px 16px;border-radius:6px;color:var(--ink)}.chart-layout{display:grid;grid-template-columns:1.4fr 1fr;gap:20px}.bar-row{display:grid;grid-template-columns:100px 1fr 65px;gap:12px;align-items:center;margin:23px 0;font-size:13px}.bar{background:#e8efea;height:23px;border-radius:3px;overflow:hidden}.bar i{display:block;background:var(--green);height:100%;border-radius:3px}.badge{display:inline-block;background:#fff1d7;color:#966617;padding:5px 8px;border-radius:5px;font-size:12px}.badge.ok{background:#e7f3eb;color:#187957}.resource-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}a{color:var(--green)}#toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);background:var(--ink);color:white;padding:13px 22px;border-radius:7px;display:none;z-index:10;font-size:14px}.lesson-title{max-width:750px}@media(min-width:1500px){main{padding-top:48px}.cards{gap:22px}.card{min-height:270px}}@media(max-width:1100px){aside{width:220px;padding:28px 14px}.shell{margin-left:220px}main{padding:30px 25px}.cards{grid-template-columns:1fr 1fr}.lesson-layout{grid-template-columns:1fr}.lesson-side{display:grid;grid-template-columns:1fr 1fr;gap:15px}.mini-sheet{margin-right:20px}.dash-kpis{grid-template-columns:1fr 1fr}}@media(max-width:750px){aside{position:static;width:auto;padding:17px 20px;display:block}.brand{font-size:25px}.eyebrow,.side-caption,#module-nav,.side-bottom{display:none}nav{display:flex;gap:5px;margin-top:15px;overflow:auto}.nav{white-space:nowrap;font-size:12px;padding:10px}.shell{margin:0}header{height:53px;padding:0 20px;font-size:9px}.header-right{font-size:11px}.avatar{display:none}main{padding:26px 20px}.intro{align-items:flex-start;flex-direction:column}h1{font-size:29px}.continue{grid-template-columns:1fr}.continue-left{padding:25px}.mini-sheet{display:none}.overview{grid-template-columns:1fr;gap:8px}.stat{padding:13px 17px}.cards,.chart-layout,.resource-grid,.lesson-side{grid-template-columns:1fr}.card{min-height:220px}.section-head{gap:15px}.section-head span{font-size:11px}.panel{padding:21px}.dash-kpis{gap:10px}.dash-kpis .panel{padding:15px}.dash-kpis strong{font-size:23px}footer{padding:0 20px 25px;display:block;line-height:1.8}footer span{display:block}.bottom-note{padding:20px}.bar-row{grid-template-columns:80px 1fr 55px}}