@import url('https://fonts.googleapis.com/css2?family=Alexandria:wght@300;400;500;600;700;800&family=DM+Sans:wght@400;500;600;700&display=swap');
:root{--ink:#183b37;--ink2:#224c46;--muted:#7c908a;--line:#e8eeeb;--bg:#f7f9f7;--mint:#e1f2e9;--green:#307c63;--gold:#f4c95d;--purple:#eee9f8;--shadow:0 12px 30px #17352a0b}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:'Alexandria',sans-serif;font-size:13px}.sidebar{position:fixed;right:0;top:0;height:100dvh;width:250px;background:#fff;border-left:1px solid var(--line);padding:28px 20px;display:flex;flex-direction:column;z-index:4}.brand{display:flex;align-items:center;gap:12px;color:inherit;text-decoration:none;padding:0 7px 38px}.brand-icon{background:#183b37;color:#fff;border-radius:13px;width:42px;height:42px;display:grid;place-items:center;font:700 20px 'DM Sans';position:relative}.brand-icon span{color:#8fe3b2}.brand b{display:block;font:700 16px 'DM Sans';letter-spacing:1.3px}.brand small{display:block;color:#91a29d;font-size:9px;margin-top:5px}.side-label,.eyebrow{font-size:9px;letter-spacing:.3px;color:#8aa099;font-weight:600}.side-label{padding:0 12px 10px}nav{display:grid;gap:5px}.nav-item{border:0;background:transparent;text-align:right;width:100%;padding:12px;border-radius:10px;color:#71857e;font-family:inherit;font-size:11px;display:flex;align-items:center;gap:12px;cursor:pointer}.nav-item i{font-style:normal;font-size:18px;width:21px;text-align:center}.nav-item:hover,.nav-item.active{background:#eaf5ee;color:#276d55}.nav-item.active{font-weight:600}.sidebar-bottom{margin-top:auto;border-top:1px solid var(--line);padding:18px 8px 2px;color:#608071}.offline-dot{font-size:10px;display:flex;align-items:center;gap:8px}.offline-dot span{width:7px;height:7px;background:#43ac79;border-radius:50%;box-shadow:0 0 0 4px #e4f5eb}.sidebar-bottom small{display:block;color:#9caea6;font-size:9px;margin:10px 15px 0}main{margin-right:250px;min-height:100vh;padding:0 44px;max-width:1600px}.topbar{height:75px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #e9eeeb}.crumb{font-size:10px;color:#84978f}.crumb span{padding:0 9px;color:#c1ccc6}.crumb b{color:#31574e;font-weight:500}.top-actions{display:flex;align-items:center;gap:18px}.streak{color:#927634;font-size:10px;background:#fff7e0;border-radius:20px;padding:8px 12px}.avatar{border:0;background:#d8eee0;border-radius:50%;width:32px;height:32px;color:#387359;font-family:inherit}.mobile-menu{display:none}.view{display:none;padding:31px 0 55px;animation:fade .25s ease}.view.active{display:block}@keyframes fade{from{opacity:.5;transform:translateY(4px)}to{opacity:1;transform:none}}.hero{height:278px;border-radius:20px;overflow:hidden;background:#123b36;color:#fff;display:flex;position:relative;padding:39px 45px;align-items:center}.hero:before{content:'';position:absolute;border:1px solid #ffffff15;width:430px;height:430px;border-radius:50%;left:36%;top:-100px}.hero:after{content:'';position:absolute;border:1px solid #ffffff10;width:330px;height:330px;border-radius:50%;left:40%;top:-50px}.hero-copy{width:57%;position:relative;z-index:1}.hero .eyebrow{color:#82c79d}.hero h1{font-size:26px;margin:12px 0 9px;font-weight:600}.hero h1 em{font-style:normal;color:#9ae0ad}.hero p{font-size:11px;line-height:2;color:#bad0c7;max-width:490px;margin:0 0 19px}.primary,.secondary{font:500 10px 'Alexandria';border:0;border-radius:8px;cursor:pointer;padding:12px 17px}.primary{background:#8bd1a0;color:#14382e;box-shadow:0 4px 12px #00000012}.primary:hover{background:#a1e2b2;transform:translateY(-1px)}.primary span{padding-right:12px}.hero-art{position:absolute;left:8%;top:12px;width:270px;height:250px;z-index:1}.globe{width:226px;height:226px;border-radius:50%;position:absolute;left:12px;top:9px;background:radial-gradient(circle at 35% 30%,#72b98d 0,#276b60 47%,#123d39 75%);box-shadow:inset -24px -14px 36px #061d1a70,0 22px 36px #061b1870;overflow:hidden}.globe:before,.globe:after{content:'';position:absolute;border:1px solid #bbedd14c;border-radius:50%;inset:15px 55px}.globe:after{inset:0 27px}.globe-lines{position:absolute;inset:48px -10px;border:1px solid #c6f0d34c;border-radius:50%;transform:rotate(-25deg)}.globe-lines:after{content:'';position:absolute;inset:-12px 0;border-top:1px solid #c6f0d336;border-bottom:1px solid #c6f0d336;border-radius:50%}.pin{position:absolute;color:#f6d36a;z-index:2;font-size:17px;text-shadow:0 0 10px #f6d36a}.p1{top:40px;right:68px}.p2{top:112px;left:50px;color:#a6edb6}.p3{bottom:48px;right:44px}.float-card{position:absolute;right:-1px;bottom:23px;background:#fff;color:#285047;border-radius:10px;padding:9px 12px;box-shadow:0 10px 25px #08241c30;font-size:13px}.float-card small{display:block;font-size:8px;color:#8b9e96;margin-top:5px}.section-head{display:flex;justify-content:space-between;align-items:end;margin:31px 0 14px}.section-head h2{font-size:16px;margin:7px 0 0;font-weight:600}.text-btn{border:0;background:none;color:#518267;font:500 9px 'Alexandria';cursor:pointer;padding:8px}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:13px}.stat-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:13px;padding:16px;display:flex;align-items:center;gap:12px;min-height:86px;box-shadow:var(--shadow)}.stat-icon{width:36px;height:36px;border-radius:10px;display:grid;place-items:center;font-size:17px;flex-shrink:0}.mint{background:#e3f3e9;color:#438a62}.yellow{background:#fff4d8;color:#a68435}.lilac{background:#efeafb;color:#7969ad}.stat-card small{display:block;color:#82938c;font-size:9px}.stat-card strong{display:block;font:700 19px 'DM Sans';color:#23473f;margin-top:5px}.stat-card strong i{font:400 9px 'Alexandria';color:#91a29b}.mini-bars{margin-right:auto;display:flex;gap:3px;align-items:end;height:28px}.mini-bars 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#ffffff55;border-radius:50%;width:150px;height:150px}.course-cover:after{width:95px;height:95px}.cover-icon{position:relative;z-index:1;width:48px;height:48px;border-radius:15px;background:#ffffff2c;color:#fff;font-size:26px;display:grid;place-items:center;backdrop-filter:blur(4px)}.cover-1{background:linear-gradient(125deg,#2e7a61,#7bb78b)}.cover-2{background:linear-gradient(125deg,#425887,#8aa3c7)}.cover-3{background:linear-gradient(125deg,#9b7340,#dfbd72)}.cover-4{background:linear-gradient(125deg,#77629a,#bc9fce)}.cover-5{background:linear-gradient(125deg,#467e81,#88bcb1)}.cover-6{background:linear-gradient(125deg,#af6551,#dd9d83)}.course-body{padding:13px 14px}.course-meta{display:flex;justify-content:space-between;color:#94a59d;font-size:8px}.course-body h3{font-size:12px;margin:9px 0 6px}.course-body p{font-size:9px;color:#82938c;line-height:1.9;margin:0;height:35px}.course-foot{border-top:1px solid 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strong{font-size:10px}.file-row small{display:block;color:#92a39b;font-size:8px;margin-top:4px}.file-row button{margin-right:auto}.library-summary{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.summary-box{border:1px solid var(--line);background:#fff;border-radius:10px;padding:16px}.summary-box small{color:#91a099;font-size:9px}.summary-box b{display:block;margin-top:8px;font:700 18px 'DM Sans'}.mistakes-list{display:grid;gap:9px}.mistake{background:#fff;padding:14px;border:1px solid var(--line);border-radius:10px}.mistake strong{font-size:10px}.mistake p{font-size:9px;color:#84958e;margin:7px 0}.mistake small{color:#b27353;font-size:8px}.empty-state{background:#fff;border:1px solid var(--line);border-radius:11px;padding:24px;text-align:center;color:#91a099;font-size:10px}.tool-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}.tool-card{background:#fff;border:1px solid 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1fr;gap:9px}.guide-list{display:grid;grid-template-columns:repeat(3,1fr);gap:13px}.guide-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:17px}.guide-card .guide-head{display:flex;align-items:center;gap:11px}.guide-logo{width:40px;height:40px;border-radius:11px;display:grid;place-items:center;background:#eaf2fb;color:#4f709f;font:700 13px 'DM Sans'}.guide-card h3{font-size:12px;margin:0}.guide-card small{font-size:8px;color:#93a29b}.guide-card ol{padding-right:18px;color:#748880;font-size:9px;line-height:2.1}.guide-card .guide-tip{background:#f6f8f6;border-radius:7px;padding:9px;font-size:8px;color:#72867c;line-height:1.8}.lesson-toolbar,.quiz-top{display:flex;align-items:center;justify-content:space-between;color:#85958e;font-size:9px;margin-bottom:18px}.back-btn{border:0;background:none;color:#507c64;font:500 9px 'Alexandria';cursor:pointer}.lesson-layout{display:grid;grid-template-columns:minmax(0,1fr) 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var(--line);padding-top:17px;margin-top:28px}.lesson-aside{align-self:start}.lesson-aside #segmentNav{display:grid;gap:7px;margin-top:13px}.segment-link{border:0;background:none;text-align:right;font:9px 'Alexandria';padding:9px;border-radius:7px;color:#8b9c94;cursor:pointer}.segment-link.active{background:#edf6ef;color:#407958}.aside-tip{margin-top:24px;background:#fff8e6;border-radius:8px;padding:12px;font-size:9px;color:#776a48;line-height:1.8}.aside-tip p{margin-bottom:0}.quiz-view{min-height:65vh}.quiz-shell{max-width:720px;margin:24px auto;padding:24px 28px}.quiz-question{font-size:19px;line-height:1.8;margin:22px 0}.quiz-helper{color:#8a9b93;font-size:10px}.answers{display:grid;gap:10px;margin:20px 0}.answer{background:#fbfcfb;border:1px solid #e6ece8;padding:13px 14px;text-align:right;border-radius:9px;color:#506c60;font:10px 'Alexandria';cursor:pointer}.answer:hover{border-color:#93c5a3;background:#f3faf4}.answer.selected{border-color:#55a273;background:#eaf6ed}.answer.correct{border-color:#63ae7e;background:#e8f7ec}.answer.wrong{border-color:#d98274;background:#fff0ed}.feedback{border-radius:9px;padding:13px;font-size:10px;line-height:1.9;margin:14px 0}.feedback.ok{background:#ebf7ee;color:#3f7452}.feedback.no{background:#fff0ed;color:#9a5848}.quiz-actions{display:flex;justify-content:space-between;margin-top:18px}footer{text-align:center;color:#a0aea7;font-size:8px;padding:15px 0 27px}footer span{padding:0 6px;color:#75a686}.toast{position:fixed;bottom:25px;left:25px;background:#193e36;color:#fff;padding:12px 17px;border-radius:9px;font-size:10px;box-shadow:0 10px 25px #10251c30;opacity:0;transform:translateY(12px);transition:.25s;pointer-events:none;z-index:10}.toast.show{opacity:1;transform:translateY(0)}
@media(max-width:1100px){main{padding:0 27px}.hero{padding-right:30px}.hero-art{left:3%;transform:scale(.86);transform-origin:left center}.course-grid,.full{gap:10px}.stat-card{padding:12px}.stat-note{display:none}}
@media(max-width:800px){.sidebar{width:230px;transform:translateX(105%);transition:.25s;box-shadow:-12px 0 35px #17352a17}.sidebar.open{transform:none}main{margin:0;padding:0 21px}.mobile-menu{display:block;border:0;background:#fff;color:#315d4c;font-size:17px;padding:7px}.topbar{height:62px}.hero{height:auto;min-height:245px;padding:30px 26px}.hero-copy{width:69%}.hero h1{font-size:22px}.hero-art{left:-11%;transform:scale(.7);opacity:.75}.course-grid,.full{grid-template-columns:repeat(2,1fr)}.stats{gap:8px}.stat-card{gap:8px;padding:11px}.stat-icon{width:31px;height:31px}.stat-card strong{font-size:16px}.bottom-grid{grid-template-columns:1fr 1fr}.guide-list{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){main{padding:0 14px}.crumb{font-size:9px}.streak{font-size:8px;padding:7px 9px}.top-actions{gap:9px}.hero{min-height:280px;padding:26px 20px;align-items:flex-start}.hero-copy{width:100%;padding-top:7px}.hero p{max-width:280px}.hero-art{top:105px;left:-13%;transform:scale(.56);opacity:.47}.hero:before{left:-35%}.hero:after{left:-22%}.section-head{margin-top:25px}.section-head h2{font-size:14px}.stats{grid-template-columns:1fr}.stat-card{min-height:70px}.mini-bars{margin-right:auto}.course-grid,.full{grid-template-columns:1fr 1fr;gap:9px}.course-cover{height:82px}.course-body{padding:10px}.course-body h3{font-size:10px}.course-body p{font-size:8px;height:34px}.course-meta,.course-foot{font-size:7px}.bottom-grid{grid-template-columns:1fr}.continue-card{min-height:120px}.tip-card{min-height:95px}.upload-panel{align-items:flex-start;flex-wrap:wrap}.upload-panel>div:nth-child(2){width:calc(100% - 60px)}.upload-btn{margin-right:59px}.library-summary{grid-template-columns:1fr 1fr}.library-summary .summary-box:last-child{grid-column:span 2}.tool-grid{grid-template-columns:1fr}.guide-list{grid-template-columns:1fr}.lesson-layout{grid-template-columns:1fr}.lesson-aside{order:-1;padding:13px}.lesson-aside #segmentNav{display:flex;overflow:auto}.segment-link{white-space:nowrap}.aside-tip{display:none}.lesson-main,.quiz-shell{padding:17px}.lesson-main h1{font-size:17px}.quiz-question{font-size:16px}.page-intro h1{font-size:20px}.toast{left:12px;right:12px;bottom:12px;text-align:center}}