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var(--band));border-radius:var(--r);box-shadow:var(--shadow);place-items:center;display:grid;position:relative}.pl-wm{color:#ffffffb3;font-family:var(--f-display);font-size:.9rem;font-weight:700;position:absolute;top:12px;right:14px}.pl-play{width:70px;height:70px;color:var(--navy);background:#ffffffeb;border-radius:50%;place-items:center;font-size:1.5rem;display:grid}.pl-lbl{color:#fff;background:#0000004d;border-radius:8px;padding:5px 11px;font-size:.85rem;position:absolute;bottom:12px;left:14px;right:14px}.pl-now h1{margin:16px 0 0;font-size:1.3rem}.pl-actions{flex-wrap:wrap;gap:10px;margin:16px 0;display:flex}.pl-actions .btn-primary{margin-left:auto}@media (max-width:560px){.pl-actions .btn{flex:1;justify-content:center}.pl-actions .btn-primary{margin-left:0}}.pl-side{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);position:sticky;top:70px;overflow:hidden}@media (max-width:900px){.pl-side{position:static}}.pl-side-head{border-bottom:1px solid var(--line);padding:16px 18px}.pl-side-head .row{justify-content:space-between;align-items:baseline;display:flex}.pl-side-head h3{font-size:1.05rem}.pl-count{color:var(--ink-soft);font-size:.82rem}.pl-side-head .pl-bar{width:100%;margin-top:10px}.pl-scroll{max-height:70vh;overflow-y:auto}.pl-mod{border-bottom:1px solid var(--line)}.pl-mhead{font-family:var(--f-display);background:var(--navy);padding:12px 18px;font-size:.9rem;font-weight:600}@supports (color:color-mix(in lab, red, red)){.pl-mhead{background:color-mix(in srgb, var(--navy) 4%, var(--surface))}}.pl-lesson{text-align:left;border:0;border-top:1px solid var(--line);background:0 0;width:100%}@supports (color:color-mix(in lab, red, red)){.pl-lesson{border-top:1px solid color-mix(in srgb, var(--line) 60%, transparent)}}.pl-lesson{color:var(--ink-soft);cursor:pointer;font-size:.9rem;font-family:var(--f-body);align-items:flex-start;gap:11px;padding:11px 18px;display:flex}.pl-lesson:hover{background:var(--navy)}@supports (color:color-mix(in lab, red, red)){.pl-lesson:hover{background:color-mix(in srgb, var(--navy) 5%, transparent)}}.pl-lesson.cur{background:var(--navy)}@supports (color:color-mix(in lab, red, red)){.pl-lesson.cur{background:color-mix(in srgb, var(--navy) 9%, transparent)}}.pl-lesson.cur{color:var(--ink);font-weight:600}.pl-ic{border:2px solid var(--line);border-radius:50%;flex:none;place-items:center;width:20px;height:20px;margin-top:1px;font-size:.68rem;display:grid}.pl-lesson.done .pl-ic{background:var(--green);color:#fff;border-color:var(--green)}.pl-lesson.cur .pl-ic{background:var(--navy);color:#fff;border-color:var(--navy)}.pl-tx{flex:1}.pl-dur{color:var(--ink-soft);font-variant-numeric:tabular-nums;font-size:.74rem}@media (max-width:480px){.bar-in{gap:8px}.bar .logo .logo-img{height:28px}.bar-in .btn{padding:8px 12px;font-size:.88rem}}.adm-shell{max-width:1000px;margin:0 auto;padding:0 18px 60px}.adm-top{border-bottom:1px solid var(--line);align-items:center;gap:12px;margin-bottom:26px;padding:16px 0;display:flex}.adm-top .logo{font-size:1.15rem}.adm-top .tag{letter-spacing:.5px;text-transform:uppercase;color:#fff;background:var(--amber);border-radius:999px;padding:3px 9px;font-size:.72rem;font-weight:700}.adm-top .sp{margin-left:auto}.adm-head{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:18px;display:flex}.adm-head h1{font-size:1.6rem}.adm-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);margin-bottom:16px;padding:20px 22px}.adm-list{gap:10px;display:grid}.adm-item{background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:12px;align-items:center;gap:12px;padding:14px 16px;display:flex}.adm-item .t{font-family:var(--f-display);font-weight:600}.adm-item .m{color:var(--ink-soft);font-size:.82rem}.adm-item .sp{align-items:center;gap:8px;margin-left:auto;display:flex}.adm-badge{border-radius:999px;padding:3px 9px;font-size:.72rem;font-weight:700}.adm-badge.pub{color:var(--green);background:#1f9d6b24}.adm-badge.draft{color:var(--ink-soft);background:#5a647924}.adm-form{gap:14px;display:grid}.adm-grid2{grid-template-columns:1fr 1fr;gap:14px;display:grid}@media (max-width:560px){.adm-grid2{grid-template-columns:1fr}}.adm-form textarea{border:1px solid var(--line);font-family:var(--f-body);background:var(--paper);color:var(--ink);resize:vertical;border-radius:10px;min-height:80px;padding:11px 13px;font-size:.95rem}.adm-check{align-items:center;gap:8px;font-size:.92rem;display:flex}.adm-check input{width:18px;height:18px}.adm-mod{border:1px solid var(--line);border-radius:12px;margin-bottom:14px;overflow:hidden}.adm-mod-h{background:var(--navy);align-items:center;gap:10px;padding:12px 16px;display:flex}@supports (color:color-mix(in lab, red, red)){.adm-mod-h{background:color-mix(in srgb, var(--navy) 5%, var(--surface))}}.adm-mod-h{font-family:var(--f-display);font-weight:600}.adm-mod-h .sp{margin-left:auto}.adm-lesson{border-top:1px solid var(--line);align-items:center;gap:10px;padding:9px 16px;font-size:.9rem;display:flex}.adm-lesson .sp{margin-left:auto}.adm-add{border-top:1px dashed var(--line);flex-wrap:wrap;gap:8px;padding:12px 16px;display:flex}.adm-add input,.adm-add select{border:1px solid var(--line);font-family:var(--f-body);background:var(--paper);color:var(--ink);border-radius:9px;padding:9px 11px;font-size:.9rem}.btn-sm{padding:8px 14px;font-size:.88rem}.btn-danger{color:var(--danger);border:1px solid var(--line);background:0 0}.btn-danger:hover{border-color:var(--danger)}.adm-link{color:var(--navy);font-size:.9rem;font-weight:600}.adm-top{flex-wrap:wrap}.adm-tabs{background:var(--navy);border-radius:999px;gap:3px;padding:3px;display:flex}@supports (color:color-mix(in lab, red, red)){.adm-tabs{background:color-mix(in srgb, var(--navy) 7%, var(--surface))}}.adm-tabs{border:1px solid var(--line)}.adm-tabs a{color:var(--ink-soft);border-radius:999px;padding:6px 15px;font-size:.88rem;font-weight:600}.adm-tabs a:hover{color:var(--navy)}.adm-tabs a.on{background:var(--navy);color:#fff}.field select,.field textarea{border:1px solid var(--line);font-size:.95rem;font-family:var(--f-body);background:var(--paper);color:var(--ink);border-radius:10px;padding:11px 13px}.field select:focus,.field textarea:focus{border-color:var(--amber);outline:none;box-shadow:0 0 0 3px #cf86062e}.adm-sec{color:var(--navy);border-bottom:1px solid var(--line);margin:4px 0 -2px;padding-bottom:8px;font-size:1.05rem}.adm-hint{color:var(--ink-soft);font-size:.8rem;line-height:1.5}.adm-badge.comm{color:#9a6304;background:#cf860624}.adm-badge.off{color:var(--danger);background:#d245451a}.adm-avatar{background:var(--navy);color:#fff;border-radius:50%;flex:none;place-items:center;width:40px;height:40px;font-size:1rem;font-weight:700;display:grid}.adm-tutorbox{border:1px solid var(--line);background:var(--amber);border-radius:12px;padding:14px 14px 4px}@supports (color:color-mix(in lab, red, red)){.adm-tutorbox{background:color-mix(in srgb, var(--amber) 4%, var(--surface))}}.adm-tutorbox .field{margin-bottom:10px}.adm-split{flex-wrap:wrap;align-items:center;gap:6px 8px;margin:6px 0 10px;font-size:.82rem;display:flex}.adm-split span{border-radius:999px;padding:3px 10px;font-weight:600}.adm-split .tut{color:var(--green);background:#1f9d6b21}.adm-split .plat{color:var(--navy);background:#16294d17}.adm-split .per{color:var(--ink-soft);padding:0;font-weight:400}@media (max-width:560px){.adm-tabs{order:3;width:100%}.adm-tabs a{text-align:center;flex:1}.adm-item{flex-wrap:wrap}.adm-item .sp{justify-content:flex-end;width:100%;margin-left:0}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}