.lbv-portal{--lbv-brand:#201636;--lbv-brand-2:#3d1f50;--lbv-accent:#eb595b;--lbv-soft:#fdeced;--lbv-line:#e6e2ee;--lbv-muted:#6f6782;--lbv-bg:#f6f5f9;color:var(--lbv-brand);font-size:15px;line-height:1.55;container-type:inline-size}.lbv-portal *,.lbv-portal *::before,.lbv-portal *::after{box-sizing:border-box}.lbv-portal a{text-decoration:none;box-shadow:none}.lbv-portal h2,.lbv-portal h3,.lbv-portal h4{color:var(--lbv-brand);margin:0 0 8px;line-height:1.3}.lbv-portal img{max-width:100%;display:block}.lbv-note{color:var(--lbv-muted);font-size:13px;margin:0 0 14px}.lbv-portal .lbv-courses{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:20px}.lbv-portal .lbv-course{display:flex;flex-direction:column;background:#fff;border:1px solid var(--lbv-line);border-radius:12px;overflow:hidden;color:var(--lbv-brand);transition:transform .15s,box-shadow .15s;box-shadow:0 1px 2px rgb(32 22 54 / .05)}.lbv-portal .lbv-course:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgb(32 22 54 / .12);color:var(--lbv-brand)}.lbv-portal .lbv-course.is-off{opacity:.7}.lbv-course-cover{position:relative;display:block;aspect-ratio:16/9;background:linear-gradient(135deg,var(--lbv-brand-2),var(--lbv-brand))}.lbv-course-cover img{width:100%;height:100%;object-fit:cover}.lbv-course-ph{position:absolute;inset:0;display:grid;place-items:center;font-size:42px;font-weight:700;color:rgb(255 255 255 / .85)}.lbv-course-play{position:absolute;right:12px;bottom:12px;width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:var(--lbv-accent);color:#fff;font-size:13px;box-shadow:0 3px 10px rgb(235 89 91 / .4)}.lbv-flag{position:absolute;left:10px;top:10px;background:rgb(0 0 0 / .65);color:#fff;font-size:12px;padding:2px 9px;border-radius:99px}.lbv-course-body{display:flex;flex-direction:column;gap:4px;padding:14px 16px 16px;flex:1}.lbv-course-title{font-weight:700;font-size:16px}.lbv-course-desc{color:var(--lbv-muted);font-size:14px}.lbv-course-meta{color:var(--lbv-muted);font-size:13px;margin-top:auto;padding-top:4px}.lbv-head{display:flex;flex-wrap:wrap;align-items:baseline;gap:6px 16px;margin-bottom:16px}.lbv-head .lbv-title{flex:1 1 100%;order:2;margin:0;font-size:22px}.lbv-portal .lbv-back{order:1;color:var(--lbv-accent);font-weight:600;font-size:14px}.lbv-portal .lbv-manage{order:1;margin-left:auto;font-size:13px;color:var(--lbv-brand-2)}.lbv-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:20px;align-items:start}.lbv-player{position:relative;aspect-ratio:16/9;background:#000;border-radius:12px;overflow:hidden}.lbv-player iframe{position:absolute;inset:0;width:100%;height:100%;border:0}.lbv-info{background:#fff;border:1px solid var(--lbv-line);border-radius:12px;padding:18px;margin-top:16px}.lbv-counter{color:var(--lbv-muted);font-size:13px}.lbv-info h3{font-size:19px;margin-top:2px}.lbv-text p{margin:0 0 8px}.lbv-nav{display:flex;justify-content:space-between;gap:10px;margin-top:14px;padding-top:14px;border-top:1px solid var(--lbv-line)}.lbv-portal .lbv-btn{display:inline-flex;align-items:center;justify-content:center;padding:9px 16px;border-radius:8px;border:1px solid var(--lbv-line);background:#fff;color:var(--lbv-brand);font-weight:600;font-size:14px;line-height:1.2}.lbv-portal .lbv-btn:hover{border-color:var(--lbv-accent);color:var(--lbv-accent)}.lbv-portal .lbv-btn-primary{background:var(--lbv-accent);border-color:var(--lbv-accent);color:#fff}.lbv-portal .lbv-btn-primary:hover{color:#fff;filter:brightness(1.06)}.lbv-playlist{background:#fff;border:1px solid var(--lbv-line);border-radius:12px;padding:14px 8px 8px;position:sticky;top:100px;max-height:calc(100vh - 120px);overflow-y:auto}.lbv-playlist h4{padding:0 8px;font-size:15px}.lbv-playlist h4 span{color:var(--lbv-muted);font-weight:400}.lbv-portal .lbv-playlist ol{list-style:none;margin:0;padding:0}.lbv-portal .lbv-playlist li{margin:0;padding:0;list-style:none}.lbv-portal .lbv-playlist a{display:flex;gap:10px;align-items:flex-start;padding:9px 8px;border-radius:8px;color:var(--lbv-brand);font-size:14px}.lbv-portal .lbv-playlist a:hover{background:var(--lbv-bg)}.lbv-portal .lbv-playlist a.active{background:var(--lbv-soft);color:var(--lbv-accent);font-weight:600}.lbv-pl-n{flex:0 0 24px;height:24px;border-radius:50%;display:grid;place-items:center;background:var(--lbv-bg);color:var(--lbv-muted);font-size:12px;font-weight:600}.lbv-playlist a.active .lbv-pl-n{background:var(--lbv-accent);color:#fff}.lbv-empty{text-align:center;padding:40px 20px;background:#fff;border:1px solid var(--lbv-line);border-radius:12px}.lbv-empty p{color:var(--lbv-muted)}.lbv-empty-icon{display:inline-grid;place-items:center;width:54px;height:54px;border-radius:50%;background:var(--lbv-soft);color:var(--lbv-accent);margin-bottom:10px}@media (max-width:960px){.lbv-layout{grid-template-columns:1fr}.lbv-playlist{position:static;max-height:none}}@media (max-width:600px){.lbv-portal .lbv-courses{grid-template-columns:1fr}.lbv-player{border-radius:8px}.lbv-head .lbv-title{font-size:19px}}@container (max-width:780px){.lbv-layout{grid-template-columns:1fr}.lbv-playlist{position:static;max-height:none}}