*{box-sizing:border-box}body{margin:0;background:#f6f8fc;color:#172841;font:15px/1.6 system-ui,-apple-system,sans-serif}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button,.button{cursor:pointer;border:0;background:#255ce8;color:white;border-radius:10px;padding:11px 18px;font-weight:650;display:inline-block}button:hover,.button:hover{filter:brightness(.94)}button.secondary,.secondary{background:#eef2fa;color:#253952}button:disabled{opacity:.5;cursor:default}.sidebar{width:246px;background:#fff;border-right:1px solid #e3e8f0;position:fixed;inset:0 auto 0 0;padding:32px 24px;display:flex;flex-direction:column}.brand{display:flex;gap:10px;align-items:center;font-size:22px;font-weight:750;line-height:1.25}.brand b{color:#255ce8}.brand small{display:block;font-size:9px;letter-spacing:2px;margin-top:5px}.logo{background:#255ce8;color:#fff;font-weight:900;border-radius:12px;padding:6px 13px;font-size:28px}.navlabel{font-size:10px;font-weight:700;letter-spacing:1.8px;color:#8690a5;margin:45px 0 14px}nav a{display:block;padding:12px;border-radius:9px;margin-bottom:7px;color:#617088}nav a.active{background:#eaf0ff;color:#2357d6;font-weight:700}.sidecard{margin-top:38px;padding:20px;background:#f0f4ff;border-radius:14px}.sidecard span,.eyebrow{font-size:10px;letter-spacing:1.6px;font-weight:750;color:#4e6d9d}.sidecard h3{line-height:1.35}.sidecard p{font-size:12px;color:#60718a}.sidecard a{font-size:12px;font-weight:700;color:#255ce8}.sidebarfoot{margin-top:auto;font-size:9px;letter-spacing:1px;font-weight:750}.sidebarfoot small{display:block;font-weight:400;letter-spacing:0;margin-top:5px}main{margin-left:246px;padding:28px 42px;max-width:1800px}header{display:flex;justify-content:space-between;align-items:center;margin-bottom:28px}header h2{margin:2px 0;font-size:22px}.profile{display:flex;align-items:center;gap:18px}.status{font-size:11px;color:#64758c}.avatar{padding:10px;border-radius:50%;background:#dfe9ff;color:#255ce8;font-size:12px;font-weight:700}.hero{background:#102a51;color:white;position:relative;overflow:hidden;display:grid;grid-template-columns:1.3fr 1fr;border-radius:22px;padding:38px;gap:25px}.hero h1{font-size:42px;line-height:1.15;letter-spacing:-1.6px;margin:15px 0}.hero h1 em{font-style:normal;color:#87b0ff}.hero p{color:#c0cfe3;max-width:490px}.pill{display:inline-block;font-size:10px;letter-spacing:1px;padding:5px 10px;border-radius:6px;background:#ffffff15;color:#cedfff}.heroart{display:flex;justify-content:center;align-items:center;position:relative;min-height:230px}.orbit{width:210px;height:210px;border:1px solid #ffffff24;border-radius:50%;display:flex;align-items:center;justify-content:center;outline:1px solid #ffffff12;outline-offset:24px}.orbitcore{background:linear-gradient(140deg,#557dff,#2451b7);width:125px;height:125px;border-radius:30px;transform:rotate(-12deg);display:flex;align-items:center;justify-content:center;font-size:65px;font-weight:800;box-shadow:0 25px 55px #07162f}.floating{position:absolute;background:#fff;color:#223a5e;border-radius:11px;padding:10px 16px;font-size:12px;box-shadow:0 10px 35px #0003}.f1{left:0;top:25px}.f2{right:0;bottom:20px}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:22px 0 32px}.stat{background:white;border:1px solid #e5eaf2;border-radius:13px;padding:17px}.stat b{font-size:25px;display:block}.muted{color:#75839a;font-size:13px}.sectionhead{display:flex;justify-content:space-between;align-items:center;margin:28px 0 16px}.sectionhead h2{margin:0;font-size:21px}.sectionhead a{color:#255ce8;font-size:13px}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.course{background:#fff;border:1px solid #e4e9f1;border-radius:15px;overflow:hidden;display:flex;flex-direction:column}.courseart{height:115px;padding:19px;display:flex;align-items:center;justify-content:space-between}.courseart strong{font-size:35px;color:#244478}.courseart span{font-size:10px;letter-spacing:1px;color:#4c6385}.coursebody{padding:20px;flex:1;display:flex;flex-direction:column}.tag{font-size:10px;font-weight:700;color:#5079b6;text-transform:uppercase;letter-spacing:.8px}.course h3{font-size:18px;line-height:1.35;margin:8px 0}.course p{font-size:12px;color:#728097;margin:0 0 15px}.coursemeta{border-top:1px solid #edf0f5;margin-top:auto;padding-top:13px;display:flex;justify-content:space-between;align-items:center;font-size:11px;color:#718099}.coursemeta a{color:#255ce8;font-weight:700}.modes{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.modecard{background:white;border:1px solid #e5eaf2;padding:20px;border-radius:13px}.modecard b{display:block;margin:8px 0}.modecard p{font-size:12px;color:#728097}.filters{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px}input,select,textarea{border:1px solid #dce3ee;border-radius:9px;padding:11px;background:#fff;color:#253952}input[type=search]{flex:1;min-width:200px}.empty,.panel{background:white;border:1px solid #e5eaf2;padding:26px;border-radius:14px}.empty{text-align:center;margin-top:20px}.lessonlayout{display:grid;grid-template-columns:235px 1fr;gap:20px}.lessonnav{background:white;border:1px solid #e3e8f0;border-radius:14px;padding:16px;align-self:start}.lessonnav button{display:block;width:100%;text-align:left;background:transparent;color:#576b85;margin-top:8px;font-size:12px}.lessonnav button.selected{background:#eaf0ff;color:#255ce8}.tabs{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0}.tabs button{background:#edf1f8;color:#5a6d88;font-size:12px}.tabs button.selected{background:#255ce8;color:white}.lesson h1{font-size:28px;line-height:1.3}.lesson h3{font-size:17px}.lesson p,.lesson li{color:#50617a}.lesson li{margin-bottom:10px}.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}.progress{height:6px;background:#e5eaf3;border-radius:4px;margin-top:10px;overflow:hidden}.progress div{height:100%;background:#255ce8}.notice{background:#fff5df;border:1px solid #f2dfae;padding:13px;border-radius:9px;font-size:12px;color:#725b28;margin:15px 0}.uploadlabel{display:block;margin:12px 0;font-weight:650}textarea{width:100%;min-height:150px}.quizchoice{display:block;margin:10px 0;border:1px solid #e2e7f0;padding:12px;border-radius:8px}iframe{width:100%;height:500px;border:1px solid #e0e6f0;border-radius:10px}video{width:100%;max-height:450px;background:#102a51;border-radius:10px}footer{padding:35px 0 8px;font-size:11px;color:#8491a7;display:flex;justify-content:space-between}#toast{position:fixed;bottom:24px;right:24px;background:#183454;color:white;padding:12px 20px;border-radius:10px;display:none;z-index:20}:focus-visible{outline:3px solid #83a9ff;outline-offset:3px}@media(max-width:1100px){main{padding:25px}.sidebar{width:210px;padding:25px 18px}main{margin-left:210px}.hero h1{font-size:34px}.grid{grid-template-columns:repeat(2,1fr)}.modes{grid-template-columns:repeat(2,1fr)}}@media(max-width:750px){.sidebar{position:static;width:auto;padding:18px}.navlabel,.sidecard,.sidebarfoot{display:none}nav{display:flex;overflow:auto;gap:5px;margin-top:20px}nav a{white-space:nowrap;font-size:12px}main{margin:0;padding:20px}.hero{grid-template-columns:1fr;padding:26px}.heroart{display:none}.hero h1{font-size:35px}.stats{grid-template-columns:repeat(2,1fr)}.grid{grid-template-columns:1fr}.status{display:none}.lessonlayout{grid-template-columns:1fr}.lessonnav{display:flex;overflow:auto;gap:5px}.lessonnav button{min-width:170px}.lessonnav h3,.lessonnav .muted,.lessonnav .progress{display:none}footer{display:block}}@media print{.sidebar,header,footer,.tabs,.lessonnav,.actions,.notice{display:none}main{margin:0;padding:0}.lessonlayout{display:block}.panel{border:0}body{background:white}.lesson{color:black}}
/* ETHAN LMS official logo */
.brand{justify-content:center}.brand-image{display:block;width:190px;height:auto;max-width:100%;border-radius:12px}.sidebar .navlabel{margin-top:22px}.orbitcore.brand-orbit{width:190px;height:190px;background:#fff;transform:none;border-radius:24px;overflow:hidden}.brand-orbit img{width:100%;height:100%;object-fit:contain}@media(max-width:750px){.brand{justify-content:flex-start}.brand-image{width:140px}nav{margin-top:12px}}

:root{--lesson-font:16px}.sidebar{overflow-y:auto;padding-top:16px}.brand-image{width:130px}.sidebar .navlabel{margin-top:10px}.sidebar nav a{padding:8px 10px;margin-bottom:2px;font-size:13px}.sidebarfoot{padding-top:25px}.lesson p,.lesson li{font-size:var(--lesson-font)}.preline{white-space:pre-wrap}.formgrid{display:grid;gap:16px}.formgrid label{display:grid;gap:5px;font-size:13px;font-weight:650}.formgrid button{justify-self:start}.formgrid input,.formgrid select{width:100%}.formgrid textarea{min-height:85px}.accountgrid{grid-template-columns:repeat(2,1fr)}fieldset{border:1px solid #dce3ee;border-radius:10px;margin:15px 0;padding:17px;min-width:0}legend{font-weight:650;padding:0 8px}.editorLesson textarea{min-height:100px}.session,.resourceRow{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:15px}.resourceRow{padding:14px 0;border-bottom:1px solid #e6ebf2}.note{margin-top:20px}.assignment{padding:15px 0;border-bottom:1px solid #e5eaf2}.assignment textarea{min-height:80px}.bookmark{padding:6px 10px;font-size:18px}.tablewrap{overflow:auto}table{border-collapse:collapse;width:100%;font-size:13px}td,th{padding:12px;text-align:left;border-bottom:1px solid #e1e7ef}.sidebarfoot{flex-shrink:0}.status{max-width:250px}.lessonnav button{white-space:normal}.filters label{margin:0}code{background:#eef2f8;padding:3px 6px;border-radius:5px}[data-theme=dark] body{background:#101b2b;color:#e2eafb}[data-theme=dark] .sidebar,[data-theme=dark] .panel,[data-theme=dark] .course,[data-theme=dark] .stat,[data-theme=dark] .modecard,[data-theme=dark] .lessonnav,[data-theme=dark] .empty{background:#18263b;border-color:#30425c}[data-theme=dark] input,[data-theme=dark] select,[data-theme=dark] textarea{background:#112036;color:#e2eafb;border-color:#40536e}[data-theme=dark] .lesson p,[data-theme=dark] .lesson li,[data-theme=dark] .muted,[data-theme=dark] nav a,[data-theme=dark] .course p{color:#b6c7df}[data-theme=dark] nav a.active{background:#243e69;color:#b9d0ff}[data-theme=dark] .secondary,[data-theme=dark] .tabs button{background:#2a3f5b;color:#ddeaff}[data-theme=dark] .tabs button.selected{background:#255ce8;color:white}[data-theme=dark] .notice{background:#3b321e;color:#e9dbb3;border-color:#6a5931}[data-theme=dark] code{background:#2a3f5b}@media(max-width:750px){.sidebar{overflow:visible}.brand-image{width:105px}.sidebar nav{overflow:auto}.sidebar nav a{white-space:nowrap}.sidebarfoot{display:none}.accountgrid{grid-template-columns:1fr}.resourceRow,.session{flex-direction:column;align-items:flex-start}.sectionhead{gap:10px;flex-wrap:wrap}.lessonnav button{white-space:normal}}@media print{.sidebar,header,footer,.tabs,.lessonnav,.actions,.notice,.profile{display:none!important}[data-theme=dark] body,[data-theme=dark] .panel{background:white;color:black}.lesson p,.lesson li,[data-theme=dark] .lesson p,[data-theme=dark] .lesson li{color:black}.lesson{font-size:12pt}.panel{padding:0}main{max-width:none}}

.builtInMedia{margin-bottom:28px;padding-bottom:25px;border-bottom:1px solid #dce3ee}.checklabel{display:flex!important;align-items:center;gap:10px!important}.checklabel input{width:auto!important}.builtInMedia iframe{height:560px}.notice h3{margin-top:0}