:root{color-scheme:dark;--bg:#111310;--surface:#1a1d18;--surface-high:#22261f;--border:#454b3e;--subtle:#2b3026;--text:#f3f0e8;--muted:#adb3a3;--accent:#dfc394;--on-accent:#20251b;--green:#a7c9a1;--danger:#ffb0a8;--radius:14px;--space:8px;--sidebar:236px;font-family:Inter,"Segoe UI",system-ui,sans-serif;font-size:14px;line-height:1.5}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}button,input,select,textarea{font:inherit}a{color:inherit;text-decoration:none}button,a,input,select,textarea{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{opacity:.5;cursor:default}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid var(--accent);outline-offset:4px}h1,h2,h3,p{margin-top:0}h1,h2,h3{font-weight:550;letter-spacing:-.035em}h1{font-size:34px;line-height:1.2;margin-bottom:10px}h2{font-size:23px;margin-bottom:8px}h3{font-size:17px}small,.muted{color:var(--muted)}.skip{position:fixed;top:-100px;z-index:99;background:var(--accent);color:var(--on-accent);padding:12px}.skip:focus{top:8px}.boot{padding:15vh 8vw;color:var(--muted)}.icon{width:19px;height:19px;vertical-align:middle;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}.btn,.btn-primary,.btn-danger{display:inline-flex;align-items:center;justify-content:center;gap:9px;border:1px solid var(--border);background:var(--surface-high);color:var(--text);padding:11px 17px;min-height:44px;border-radius:8px;font-weight:550;white-space:nowrap}.btn:hover{background:var(--subtle)}.btn-primary{background:var(--accent);color:var(--on-accent);border-color:var(--accent)}.btn-primary:hover{filter:brightness(1.07)}.btn-danger{color:var(--danger);background:transparent}.btn-sm{padding:6px 11px;min-height:36px;font-size:12px}.ghost{border:0;background:transparent;color:var(--muted);padding:10px;min-width:44px;min-height:44px;border-radius:8px}.ghost:hover{background:var(--surface-high);color:var(--text)}.text-link{background:none;border:0;color:var(--accent);padding:8px 0;text-decoration:underline;text-underline-offset:4px}.pill{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--border);border-radius:30px;padding:4px 10px;font-size:11px;letter-spacing:.03em;color:var(--muted);white-space:nowrap}.pill.active{background:#263b2a;color:#c1dfb7;border-color:#3c5940}.pill.expired,.pill.disabled,.pill.paused{color:var(--danger);border-color:#68413b;background:#3b2622}.pill.draft{color:var(--accent)}.eyebrow{text-transform:uppercase;font-size:10px;letter-spacing:.2em;font-weight:650;color:var(--accent)}
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#3c4937;border-radius:var(--radius);overflow:hidden;min-height:310px;position:relative;display:flex;align-items:center;margin-bottom:25px}.hero-art{position:absolute;inset:0 0 0 45%;background:url('/art.svg') center 45%/cover}.hero:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#202c22 35%,transparent 85%);pointer-events:none}.hero-copy{z-index:1;position:relative;padding:35px 38px;max-width:64%}.hero-copy h2{font-size:39px;line-height:1.15;margin:16px 0;font-weight:500;letter-spacing:-.045em}.hero-copy h2 em{font-family:Georgia,serif;color:var(--accent);font-weight:400}.hero-copy p{font-size:12px;color:#c1c8b9;max-width:340px;margin-bottom:23px;line-height:1.8}.hero .btn-primary{font-size:11px}.hero-tag{display:flex;gap:10px;align-items:center;color:#d6d7c6;font-size:9px;letter-spacing:.2em;text-transform:uppercase}.hero-tag:before{content:"";width:24px;height:1px;background:var(--accent)}.quick-row{display:grid;grid-template-columns:1.2fr 1fr 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var(--subtle);color:var(--muted);background:transparent;border-radius:30px;font-size:11px;min-height:38px}.filter.selected{color:var(--on-accent);background:var(--accent);border-color:var(--accent)}.footer{display:flex;justify-content:space-between;border-top:1px solid var(--subtle);color:var(--muted);font-size:9px;padding-top:24px;margin-top:42px}.panel{border:1px solid var(--subtle);border-radius:12px;background:var(--surface);padding:24px;margin-bottom:20px}.panel h2{font-size:18px}.panel p{color:var(--muted);font-size:12px;line-height:1.8}.empty{padding:45px 24px;text-align:center;border:1px dashed var(--border);border-radius:12px;color:var(--muted);grid-column:1/-1}.empty .icon{width:32px;height:32px;margin-bottom:12px;color:var(--accent)}.empty h2{color:var(--text);font-size:18px}.empty p{font-size:12px;max-width:450px;margin:0 auto 16px}.notice{border:1px solid var(--border);background:var(--surface-high);border-radius:8px;padding:13px 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var(--border);border-radius:7px;background:var(--bg)}.password-wrap input{border:0;background:transparent;min-width:0}.password-wrap .ghost{font-size:11px}.auth-form .brand{display:none}
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small{display:block;font-size:10px}.table-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:15px}.table-toolbar input{max-width:300px;font-size:11px}.table-note{font-size:10px;color:var(--muted);margin-top:15px}.admin-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:24px}.admin-tabs a{font-size:11px;padding:9px 15px;border-radius:7px;border:1px solid var(--subtle);color:var(--muted)}.admin-tabs a.current{color:var(--accent);background:var(--surface-high);border-color:var(--border)}.plan-line{display:grid;grid-template-columns:100px 1fr 30px;align-items:center;gap:15px;font-size:11px;padding:12px 0}.plan-line progress{height:6px}.admin-list{display:grid;gap:14px}.admin-entry{border:1px solid var(--subtle);border-radius:9px;padding:19px}.admin-entry h3{font-size:14px;margin-bottom:6px}.admin-entry p{margin:8px 0;color:var(--muted);font-size:12px;white-space:pre-wrap;overflow-wrap:anywhere}.code{font:11px ui-monospace,Consolas,monospace;background:var(--bg);border:1px solid var(--border);border-radius:6px;padding:12px;overflow-wrap:anywhere;white-space:pre-wrap;color:var(--accent)}.mono{font-family:ui-monospace,Consolas,monospace;font-size:11px}.player-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:22px}.video{aspect-ratio:16/9;background:#070a07;border-radius:11px;overflow:hidden;display:flex;align-items:center;justify-content:center}.video iframe,.video video{width:100%;height:100%;border:0}.video-empty{padding:25px;text-align:center;color:var(--muted);font-size:12px}.lesson-title{margin:24px 0 12px;font-size:25px}.lesson-description{color:var(--muted);font-size:13px;line-height:1.8;white-space:pre-wrap}.lesson-nav{display:flex;justify-content:space-between;gap:8px;align-items:center;margin-top:18px;flex-wrap:wrap}.playlist{border:1px solid var(--subtle);border-radius:11px;align-self:start;background:var(--surface);overflow:hidden}.playlist-head{padding:21px;border-bottom:1px solid var(--subtle)}.playlist-head h2{font-size:16px;margin-bottom:10px}.playlist-head small{font-size:10px}.lesson-item{display:flex;align-items:center;gap:12px;padding:16px 19px;border-bottom:1px solid var(--subtle);font-size:11px;color:var(--muted)}.lesson-item.current{background:var(--surface-high);color:var(--accent)}.lesson-item .icon{width:17px}.lesson-item span{flex:1}.lesson-item small{font-size:9px;display:block;margin-top:4px}.comment{padding:19px 0;border-bottom:1px solid var(--subtle)}.comment-head{display:flex;align-items:center;gap:10px;font-size:11px}.comment-head small{margin-left:auto;font-size:9px}.comment p{font-size:12px;line-height:1.8;margin:12px 0;white-space:pre-wrap;overflow-wrap:anywhere}.comment-actions{display:flex;gap:18px}.comment-actions button{font-size:10px;border:0;background:transparent;color:var(--muted);min-height:36px}.comment-actions button.liked{color:var(--accent)}.replies{margin-left:38px;border-left:1px solid var(--border);padding-left:18px}.chat-layout{max-width:850px;margin:auto}.chat-box{height:52vh;min-height:280px;max-height:650px;overflow-y:auto;padding:10px 18px;background:var(--surface);border:1px solid var(--subtle);border-radius:12px 12px 0 0}.chat-msg{padding:14px 0;border-bottom:1px solid var(--subtle)}.chat-msg header{display:flex;align-items:center;gap:9px;font-size:11px}.chat-msg small{margin-left:auto;font-size:9px}.chat-msg p{margin:8px 0 0 44px;font-size:12px;line-height:1.6;overflow-wrap:anywhere;white-space:pre-wrap}.chat-compose{display:flex;padding:14px;border:1px solid var(--subtle);gap:10px;border-radius:0 0 12px 12px;background:var(--surface)}.chat-compose input{min-width:0}.live-standby{min-height:350px;background:var(--surface);border:1px solid var(--subtle);border-radius:14px;display:flex;align-items:center;justify-content:center;text-align:center;padding:30px}.live-standby .icon{width:40px;height:40px;color:var(--accent);margin-bottom:20px}.live-standby h2{font-size:30px}.live-standby p{color:var(--muted);font-size:12px}.live-dot{height:6px;width:6px;border-radius:50%;background:#d79c90;display:inline-block}dialog{border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:14px;width:min(680px,calc(100vw - 30px));max-height:90vh;padding:0;box-shadow:0 25px 100px #0007}dialog::backdrop{background:#080b08bb;backdrop-filter:blur(5px)}.dialog-head{display:flex;align-items:center;justify-content:space-between;padding:19px 25px;border-bottom:1px solid var(--subtle)}.dialog-head h2{font-size:20px;margin:0}.dialog-body{padding:24px}.dialog-foot{display:flex;justify-content:flex-end;gap:10px;margin-top:20px}.dialog-body>p{font-size:12px;color:var(--muted)}#toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%) translateY(100px);z-index:100;background:var(--accent);color:var(--on-accent);padding:13px 22px;border-radius:9px;box-shadow:0 8px 40px #0005;max-width:90vw;font-size:12px;transition:transform .2s}#toast.show{transform:translateX(-50%) translateY(0)}.file-input{display:block;padding:16px;border:1px dashed var(--border)}.form-actions{display:flex;justify-content:flex-end;gap:10px}.offline{margin:30px}
.sidebar{overflow-y:auto;scrollbar-width:thin;scrollbar-color:var(--border) transparent}.sidebar>nav{flex-shrink:0}.brand{flex-shrink:0}.sidebar-bottom{flex-shrink:0}input,select,textarea,.password-wrap{border-color:#767e6d}#toast{visibility:hidden;opacity:0}#toast.show{visibility:visible;opacity:1}
@media(min-width:1600px){.cards{grid-template-columns:repeat(5,minmax(0,1fr))}.hero{min-height:360px}}
@media(max-width:1200px){:root{--sidebar:210px}.content{padding:28px}.topbar{padding:0 28px}.cards{grid-template-columns:repeat(3,minmax(0,1fr))}.hero-copy h2{font-size:34px}.hero-copy{max-width:72%}.profile-text{display:none}.player-layout{grid-template-columns:minmax(0,1fr) 260px}.quick-row{grid-template-columns:1fr 1fr}.quick-card:last-child{display:none}}
@media(max-width:900px){.sidebar{transform:translateX(-100%);transition:transform .2s}.sidebar.open{transform:translateX(0);box-shadow:20px 0 100px #0009}.workspace{margin-left:0}.mobile-menu{display:block}.topbar{height:70px;padding:0 20px}.content{padding:25px 20px}.page-heading h1{font-size:28px}.date-chip{display:none}.search input{width:140px}.hero-copy h2{font-size:34px}.hero-copy{padding:30px}.player-layout{grid-template-columns:1fr}.playlist{max-height:400px;overflow:auto}.auth{grid-template-columns:1fr 1fr}.auth-visual{padding:35px}.auth-quote h2{font-size:38px}.auth-panel{padding:35px}.stats{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:600px){h1{font-size:26px}.topbar-left>span{display:none}.top-actions{gap:8px}.search{padding:6px 9px}.search input{width:112px}.profile{padding:0}.content{padding:23px 17px}.page-heading{gap:12px;margin-bottom:22px}.page-heading p{font-size:11px}.page-heading .btn-primary{font-size:10px;padding:9px 12px}.hero{min-height:320px}.hero-copy{max-width:94%;padding:27px 24px}.hero-copy h2{font-size:35px}.hero-copy p{max-width:230px;font-size:11px}.hero-art{left:20%;opacity:.6}.hero:after{background:linear-gradient(90deg,#202c22ee 15%,#202c2244 100%)}.hero-tag{font-size:8px}.quick-row{grid-template-columns:1fr;margin-bottom:26px;gap:10px}.quick-card{padding:15px 17px}.quick-card:last-child{display:flex}.cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.cover{padding:14px;aspect-ratio:1}.cover strong{font-size:23px}.course-body{padding:12px}.course-body h3{font-size:11px}.course-meta{font-size:8px}.course-progress{margin-top:10px}.section-heading h2{font-size:19px}.section-heading a{font-size:9px}.section-heading p{font-size:10px}.footer{font-size:8px;gap:15px}.two-col,.form-grid{grid-template-columns:1fr}.auth{display:flex;min-height:100vh}.auth-visual{display:none}.auth-panel{width:100%;padding:35px 25px}.auth-form .brand{display:flex;padding:0 0 30px}.stats{gap:11px}.stat{padding:16px}.stat strong{font-size:30px}.stat-top{font-size:10px}.stat-top .icon{display:none}.panel{padding:18px}.table-toolbar{align-items:stretch;flex-direction:column}.table-toolbar input{max-width:none}.dialog-body{padding:19px}.dialog-head{padding:16px 19px}.dialog-head h2{font-size:18px}.lesson-title{font-size:22px}.lesson-nav .btn{font-size:10px;padding:9px 12px}.chat-compose{gap:8px;padding:10px}.chat-compose .btn-primary{font-size:0;padding:10px}.chat-compose .btn-primary .icon{width:20px}.replies{margin-left:16px;padding-left:12px}.chat-msg p{margin-left:0}.admin-tabs{gap:6px}.admin-tabs a{font-size:10px;padding:8px 11px}}
@media(max-width:900px){.sidebar{visibility:hidden}.sidebar.open{visibility:visible}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}