:root{--bg:#f5f7f9;--surface:#fff;--surface-2:#f0f4f7;--text:#14212e;--muted:#6c7a89;--line:#dfe6ec;--navy:#102a43;--navy-2:#1d4768;--green:#557c66;--gold:#b89763;--violet:#6d678f;--shadow:0 18px 50px rgba(22,34,46,.08);--radius:20px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Manrope,system-ui,sans-serif;background:var(--bg);color:var(--text)}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button{cursor:pointer}.app-shell{display:flex;min-height:100vh}.sidebar{width:272px;background:#0f2639;color:#dce8f1;padding:24px 18px;position:fixed;inset:0 auto 0 0;display:flex;flex-direction:column;z-index:30}.brand{display:flex;gap:12px;align-items:center;padding:8px 10px 30px}.brand-mark{width:42px;height:42px;border-radius:13px;display:grid;place-items:center;background:#fff;color:var(--navy);font-weight:800;font-family:Georgia,serif;font-size:22px}.brand strong{display:block;color:#fff}.brand span,.user-meta span{font-size:11px;color:#89a3b7}.nav-main{display:grid;gap:6px}.nav-item{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:12px;color:#b8cbd8;font-size:14px}.nav-item:hover,.nav-item.active{background:rgba(255,255,255,.09);color:#fff}.nav-icon{width:23px;text-align:center;font-size:18px}.sidebar-spacer{flex:1}.admin-link{margin-bottom:12px}.user-card{border-top:1px solid rgba(255,255,255,.12);padding:18px 8px 0;display:flex;align-items:center;gap:10px}.user-meta{min-width:0;flex:1}.user-meta strong,.user-meta span{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.user-meta strong{font-size:12px;color:#fff}.avatar{width:40px;height:40px;border-radius:50%;background:#dfe7ec;color:#24415a;display:grid;place-items:center;font-weight:800;font-size:12px}.avatar.small{width:34px;height:34px}.avatar.xl{width:96px;height:96px;font-size:24px;margin:auto}.icon-btn{border:0;background:transparent;color:inherit;width:36px;height:36px;border-radius:10px}.icon-btn:hover{background:rgba(127,146,163,.12)}.main-shell{margin-left:272px;width:calc(100% - 272px);min-width:0}.topbar{height:84px;background:rgba(255,255,255,.82);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 34px;position:sticky;top:0;z-index:20}.topbar-title h1{font-size:18px;margin:2px 0 0}.eyebrow{font-size:10px;letter-spacing:.16em;font-weight:800;color:#6f8191}.topbar-actions{display:flex;gap:10px;align-items:center}.mobile-menu{display:none;border:0;background:transparent;font-size:24px}.content{padding:34px;max-width:1500px;width:100%;margin:0 auto}.footer{padding:18px 34px 30px;text-align:center;color:var(--muted);font-size:12px}.welcome-row,.page-intro{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px}.welcome-row h2,.page-intro h2,.course-hero h2,.lesson-header h2{font-size:34px;line-height:1.1;margin:6px 0 8px;letter-spacing:-.04em}.lead,.page-intro p{color:var(--muted);margin:0;max-width:680px}.date-chip{background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:10px 14px;color:var(--muted);font-size:12px}.continue-card{display:grid;grid-template-columns:1.3fr .7fr;background:var(--navy);border-radius:26px;color:white;overflow:hidden;box-shadow:var(--shadow);min-height:330px}.continue-copy{padding:44px}.continue-copy h3{font-size:36px;margin:14px 0 2px}.continue-copy p{color:#a7bdcc;margin:0 0 6px}.continue-copy strong{font-size:18px}.continue-art{position:relative;background:linear-gradient(135deg,#183b56,#315c74);overflow:hidden}.book-shape{position:absolute;border:1px solid rgba(255,255,255,.15);background:rgba(255,255,255,.05);transform:rotate(-12deg)}.book-shape.one{width:220px;height:290px;right:80px;top:40px}.book-shape.two{width:190px;height:250px;right:-10px;top:70px}.cross-line{position:absolute;right:140px;top:84px;width:2px;height:110px;background:rgba(255,255,255,.2)}.cross-line:after{content:"";position:absolute;width:52px;height:2px;background:rgba(255,255,255,.2);top:34px;left:-25px}.quote{position:absolute;left:36px;bottom:32px;right:36px;color:#dbe7ee;font-family:Georgia,serif;font-style:italic;font-size:18px}.pill{display:inline-flex;align-items:center;border-radius:999px;padding:7px 10px;font-size:9px;letter-spacing:.12em;font-weight:800;background:#eff4f7;color:var(--navy)}.pill.soft{background:#e9f0f2;color:#3f5c70}.progress-row{display:flex;gap:12px;align-items:center;max-width:420px;margin:30px 0 22px}.progress{height:8px;background:#dfe6ec;border-radius:999px;overflow:hidden;flex:1}.progress span{display:block;height:100%;background:#83a58f;border-radius:inherit}.continue-card .progress{background:rgba(255,255,255,.15)}.continue-card .progress span{background:#d9c396}.progress.compact{height:6px;margin-top:14px}.btn{border:0;border-radius:12px;padding:12px 16px;font-weight:800;font-size:13px;display:inline-flex;align-items:center;justify-content:center;gap:8px}.btn.primary{background:#f6f1e7;color:#1a2d3e}.btn.secondary{background:var(--navy);color:white}.btn.ghost{background:transparent;color:var(--navy);border:1px solid var(--line)}.continue-card .btn.primary{background:#fff;color:var(--navy)}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:22px 0 38px}.stat-card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:18px;display:flex;align-items:center;gap:14px}.stat-card>span{width:38px;height:38px;border-radius:12px;background:#eef3f6;display:grid;place-items:center;color:#4a6578}.stat-card b{display:block;font-size:20px}.stat-card small{color:var(--muted)}.section-head{display:flex;justify-content:space-between;align-items:flex-end;margin:28px 0 16px}.section-head h3{margin:4px 0 0;font-size:22px}.section-head>a{font-size:12px;font-weight:800;color:#4d6679}.webinar-feature{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:20px;display:grid;grid-template-columns:auto 1fr auto auto;gap:18px;align-items:center}.webinar-date{width:74px;height:74px;background:#edf3f6;border-radius:16px;display:grid;place-items:center;padding:8px}.webinar-date b{font-size:28px;line-height:1}.webinar-date span{font-size:10px;letter-spacing:.18em;font-weight:800}.webinar-info h3{margin:8px 0 3px}.webinar-info p{margin:0;color:var(--muted);font-size:13px}.countdown{display:flex;gap:8px}.countdown div{min-width:60px;text-align:center;background:#f2f5f7;border-radius:12px;padding:9px}.countdown b,.countdown span{display:block}.countdown b{font-size:18px}.countdown span{font-size:9px;color:var(--muted)}.course-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.course-filter-item{min-width:0}.course-card{background:var(--surface);border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:0 6px 22px rgba(18,34,49,.03);height:100%}.course-cover{height:180px;display:flex;align-items:flex-start;justify-content:space-between;padding:18px;color:#fff;position:relative;overflow:hidden}.course-cover:after,.video-preview:after{content:"";position:absolute;width:160px;height:160px;border:1px solid rgba(255,255,255,.18);border-radius:50%;right:-30px;bottom:-70px}.course-cover span{position:relative;z-index:1;font-size:10px;letter-spacing:.12em;font-weight:800}.cover-symbol{font-family:Georgia,serif;font-size:58px;opacity:.75;align-self:flex-end}.accent-blue{background:linear-gradient(135deg,#173b56,#476e88)}.accent-green{background:linear-gradient(135deg,#456454,#73917d)}.accent-gold{background:linear-gradient(135deg,#756044,#b29a75)}.accent-violet{background:linear-gradient(135deg,#55506f,#8a83a4)}.course-body{padding:18px}.meta-line{display:flex;justify-content:space-between;color:var(--muted);font-size:10px;text-transform:uppercase;letter-spacing:.08em}.course-body h4{font-size:20px;margin:10px 0 7px}.course-body p{color:var(--muted);font-size:13px;line-height:1.6;margin:0 0 16px}.teacher-row{display:flex;align-items:center;gap:9px;font-size:12px;color:#526675}.teacher-row.large{margin-top:20px}.mini-avatar{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:#edf2f5;font-weight:800;font-size:10px}.course-progress{display:flex;justify-content:space-between;margin-top:7px;font-size:11px;color:var(--muted)}.course-progress a,.text-link{font-weight:800;color:#314f65}.text-link{font-size:12px}.filter-bar{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-bottom:22px}.search-input{min-width:280px;flex:1;max-width:420px;border:1px solid var(--line);background:white;border-radius:12px;padding:12px 14px;outline:none}.chips{display:flex;gap:8px;flex-wrap:wrap}.chip{border:1px solid var(--line);background:white;border-radius:999px;padding:10px 13px;font-size:11px;font-weight:800;color:#5a6d7d}.chip.active{background:var(--navy);color:white;border-color:var(--navy)}.course-hero{display:grid;grid-template-columns:1.1fr .9fr;gap:34px;background:white;border:1px solid var(--line);border-radius:24px;padding:34px;box-shadow:var(--shadow)}.course-hero-copy{padding:14px 0}.course-hero h2{font-size:42px}.course-facts{display:flex;gap:10px;color:var(--muted);font-size:12px;margin-top:16px}.hero-actions{display:flex;gap:10px;margin-top:22px}.video-preview{min-height:340px;border-radius:18px;display:grid;place-items:center;position:relative;color:white;overflow:hidden}.video-preview>span{position:absolute;bottom:18px;left:18px;font-size:12px}.play-btn{width:64px;height:64px;border-radius:50%;border:1px solid rgba(255,255,255,.5);background:rgba(255,255,255,.15);backdrop-filter:blur(8px);color:#fff;font-size:20px}.content-two-col{display:grid;grid-template-columns:1fr 320px;gap:18px;margin:28px 0}.learning-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:14px}.learning-grid>div,.summary-card,.activity-card,.admin-panel,.settings-card,.profile-card{background:white;border:1px solid var(--line);border-radius:16px;padding:18px}.summary-card{display:flex;flex-direction:column;justify-content:center}.big-number{font-size:42px;margin:7px 0}.summary-card small{color:var(--muted);margin-top:9px}.curriculum{display:grid;gap:10px}.module{background:white;border:1px solid var(--line);border-radius:16px;overflow:hidden}.module summary{padding:18px;list-style:none;display:flex;justify-content:space-between;align-items:center;cursor:pointer}.module summary div span,.module summary div strong{display:block}.module summary div span{font-size:10px;color:var(--muted);text-transform:uppercase}.module summary b{font-size:11px;color:var(--muted)}.lesson-list{border-top:1px solid var(--line)}.lesson-list a{display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center;padding:14px 18px;border-bottom:1px solid #eef2f4}.lesson-list a:last-child{border-bottom:0}.lesson-state{width:30px;height:30px;border-radius:9px;background:#eef3f6;display:grid;place-items:center;font-size:11px}.lesson-list strong,.lesson-list small{display:block}.lesson-list small{color:var(--muted);font-size:10px;margin-top:3px}.empty-state{text-align:center;background:#fff;border:1px dashed var(--line);border-radius:16px;padding:42px;color:var(--muted)}.empty-state span{font-size:32px}.empty-state h4{color:var(--text);margin-bottom:6px}.lesson-layout{display:grid;grid-template-columns:minmax(0,1fr) 350px;gap:20px}.breadcrumb{font-size:11px;color:var(--muted);display:flex;gap:8px;margin-bottom:12px}.video-player{background:#08131c;border-radius:18px;aspect-ratio:16/9;color:white;position:relative;overflow:hidden}.video-overlay{position:absolute;inset:0;display:grid;place-items:center;background:radial-gradient(circle at 50% 45%,#274960,#0a1720 70%)}.video-center{text-align:center}.video-center span{display:block;color:#b6c5cf;font-size:11px;margin-top:8px}.play-btn.large{width:74px;height:74px}.video-controls{position:absolute;left:0;right:0;bottom:0;padding:12px 16px;display:flex;align-items:center;gap:10px;background:linear-gradient(transparent,rgba(0,0,0,.8));font-size:10px}.video-track{flex:1;height:4px;background:rgba(255,255,255,.25);border-radius:999px}.video-track span{display:block;width:23%;height:100%;background:white}.video-controls button{border:0;background:transparent;color:white}.lesson-header{display:flex;justify-content:space-between;gap:18px;align-items:flex-end;padding:24px 0 18px}.lesson-header h2{font-size:28px}.lesson-header p{margin:0;color:var(--muted);font-size:12px}.tabs{display:flex;border-bottom:1px solid var(--line);gap:6px}.tabs button{border:0;background:transparent;padding:11px 14px;color:var(--muted);font-weight:800;font-size:12px;border-bottom:2px solid transparent}.tabs button.active{color:var(--navy);border-color:var(--navy)}.tab-panel{display:none;padding:22px 0;line-height:1.7;color:#415565}.tab-panel.active{display:block}.tab-panel h3{color:var(--text)}.note-compose{display:grid;grid-template-columns:90px 1fr auto;gap:10px}.note-compose input,.note-compose textarea,.settings-card input,.settings-card select,.settings-card textarea,.modal-card input,.modal-card select,.modal-card textarea{border:1px solid var(--line);border-radius:10px;padding:11px 12px;background:#fff;outline:none}.note-compose textarea{min-height:88px;resize:vertical}.note-list article,.notes-page article{background:white;border:1px solid var(--line);border-radius:14px;padding:14px;margin-top:12px}.timestamp{border:0;border-radius:8px;background:#eef3f6;color:#31536b;font-weight:800;font-size:11px;padding:6px 8px}.material-list{display:grid;gap:8px}.material-list a{background:white;border:1px solid var(--line);padding:13px 15px;border-radius:12px;display:flex;justify-content:space-between}.lesson-nav{display:flex;justify-content:space-between;border-top:1px solid var(--line);padding-top:18px}.playlist{background:white;border:1px solid var(--line);border-radius:18px;align-self:start;position:sticky;top:104px;overflow:hidden}.playlist-head{padding:18px;border-bottom:1px solid var(--line)}.playlist-head h3{margin:5px 0}.playlist-module>b{display:block;padding:14px 16px 8px;font-size:11px;color:#6a7d8c}.playlist-module a{display:grid;grid-template-columns:auto 1fr;gap:10px;padding:11px 16px;font-size:11px}.playlist-module a:hover,.playlist-module a.active{background:#eef3f6}.playlist-module small{display:block;color:var(--muted);margin-top:2px}.webinar-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:22px}.webinar-card{background:white;border:1px solid var(--line);border-radius:18px;overflow:hidden}.webinar-card-cover{height:180px;background:linear-gradient(135deg,#102a43,#426782);padding:18px;color:#fff;display:flex;justify-content:space-between}.webinar-card-body{padding:20px}.webinar-card-body h3{font-size:22px;margin:7px 0}.webinar-card-body p{color:var(--muted);font-size:13px;line-height:1.6}.webinar-card-body .btn{margin-top:16px}.simple{border-bottom:0}.activity-card{margin-bottom:24px}.heatmap{display:grid;grid-template-columns:repeat(21,1fr);gap:5px}.heatmap span{aspect-ratio:1;border-radius:3px;background:#edf2f4}.heatmap .level-1{background:#d8e5dc}.heatmap .level-2{background:#b7cdbd}.heatmap .level-3{background:#8dac98}.heatmap .level-4{background:#64866f}.notes-page{display:grid;gap:14px}.notes-page article{display:grid;grid-template-columns:1fr auto;column-gap:14px}.notes-page article p,.notes-page article small{grid-column:1/-1;color:var(--muted)}.profile-layout{display:grid;grid-template-columns:300px 1fr;gap:18px}.profile-card{text-align:center;align-self:start}.profile-card p{color:var(--muted)}.settings-card h2{margin-top:5px}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.settings-card label,.modal-card label{display:grid;gap:7px;font-size:11px;font-weight:800;color:#526675}.settings-card hr{border:0;border-top:1px solid var(--line);margin:24px 0}.switch-row{display:flex;justify-content:space-between;align-items:center;padding:12px 0}.switch-row strong,.switch-row span{display:block}.switch-row span{font-size:11px;color:var(--muted);margin-top:2px}.switch-row input{width:18px;height:18px}.settings-card>.btn{margin-top:18px}.admin-panel{margin-top:22px}.admin-table{display:grid}.tr{display:grid;grid-template-columns:2fr 1fr .8fr .8fr 40px;align-items:center;padding:13px 6px;border-top:1px solid var(--line);font-size:12px}.tr.head{border-top:0;color:var(--muted);font-size:10px;font-weight:800;text-transform:uppercase}.tr span:first-child strong,.tr span:first-child small{display:block}.tr span:first-child small{color:var(--muted)}.status{font-size:9px;padding:5px 8px;border-radius:999px}.status.published{background:#e5f0e8;color:#4a7357}.modal{position:fixed;inset:0;background:rgba(9,23,33,.55);display:none;place-items:center;padding:20px;z-index:60}.modal.open{display:grid}.modal-card{background:white;border-radius:18px;padding:24px;width:min(520px,100%);position:relative;display:grid;gap:14px}.modal-close{position:absolute;right:12px;top:10px;border:0;background:transparent;font-size:24px}.toast{position:fixed;right:22px;bottom:22px;background:#102a43;color:white;border-radius:12px;padding:12px 16px;font-size:12px;box-shadow:var(--shadow);opacity:0;transform:translateY(12px);pointer-events:none;transition:.2s;z-index:100}.toast.show{opacity:1;transform:none}.sidebar-backdrop{display:none}
@media(max-width:1100px){.stats-grid{grid-template-columns:repeat(2,1fr)}.course-grid{grid-template-columns:repeat(2,1fr)}.continue-card{grid-template-columns:1fr}.continue-art{display:none}.webinar-feature{grid-template-columns:auto 1fr}.webinar-feature .countdown,.webinar-feature .btn{grid-column:2}.lesson-layout{grid-template-columns:1fr}.playlist{position:static}.course-hero{grid-template-columns:1fr}.content-two-col{grid-template-columns:1fr}.profile-layout{grid-template-columns:1fr}.profile-card{display:none}}
@media(max-width:800px){.sidebar{transform:translateX(-100%);transition:.25s}.sidebar.open{transform:none}.sidebar-backdrop{position:fixed;inset:0;background:rgba(4,17,25,.45);z-index:25}.sidebar-backdrop.show{display:block}.main-shell{margin-left:0;width:100%}.mobile-menu{display:block}.topbar{padding:0 18px;height:70px}.topbar-title{flex:1;margin-left:10px}.content{padding:22px 16px}.welcome-row,.page-intro{align-items:flex-start;flex-direction:column}.welcome-row h2,.page-intro h2,.course-hero h2{font-size:30px}.continue-copy{padding:28px}.continue-copy h3{font-size:30px}.course-grid,.webinar-grid{grid-template-columns:1fr}.webinar-feature{grid-template-columns:1fr}.webinar-feature .countdown,.webinar-feature .btn{grid-column:auto}.countdown{justify-content:flex-start}.course-hero{padding:22px}.content-two-col{grid-template-columns:1fr}.learning-grid{grid-template-columns:1fr}.lesson-header{align-items:flex-start;flex-direction:column}.note-compose{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}.tr{grid-template-columns:1.8fr .8fr .6fr}.tr span:nth-child(4),.tr span:nth-child(5){display:none}.heatmap{grid-template-columns:repeat(14,1fr)}}
@media(max-width:520px){.stats-grid{grid-template-columns:1fr 1fr;gap:10px}.stat-card{padding:13px}.stat-card>span{display:none}.stat-card b{font-size:16px}.stat-card small{font-size:10px}.course-cover{height:150px}.hero-actions{flex-direction:column}.webinar-feature{padding:16px}.webinar-date{width:60px;height:60px}.countdown div{min-width:52px}.tabs{overflow-x:auto}.tabs button{white-space:nowrap}.lesson-nav{gap:10px}.lesson-nav .btn{flex:1}.search-input{min-width:100%}}
