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var(--line);background:var(--panel);min-width:34px;height:32px;color:var(--text);cursor:pointer;box-shadow:var(--shadow);border-radius:8px;padding:0 10px;font-size:12.5px;font-weight:700}.map-controls button:hover{border-color:var(--accent-dim)}.map-tip{background:var(--panel);border:1px solid var(--line);max-width:260px;box-shadow:var(--shadow);pointer-events:none;border-radius:10px;flex-direction:column;gap:2px;padding:10px 12px;font-size:12.5px;display:flex;position:absolute;bottom:10px;right:10px}.map-loading,.map-tip span{color:var(--muted)}.map-loading{justify-content:center;align-items:center;font-size:13px;display:flex;position:absolute;inset:0}.map-side{flex-direction:column;justify-content:space-between;gap:12px;display:flex}.map-side ul{gap:8px;list-style:none;display:grid}.map-side li{cursor:default;grid-template-columns:10px 1fr auto;align-items:center;gap:8px;font-size:13px;display:grid}.map-side li 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16px;display:flex;position:fixed;inset:0}.palette{background:var(--panel);border:1px solid var(--line);border-radius:16px;width:100%;max-width:600px;overflow:hidden;box-shadow:0 24px 60px #00000040}.palette input{width:100%;font:inherit;border:0;border-bottom:1px solid var(--line);color:var(--text);background:0 0;outline:none;padding:18px 20px;font-size:17px}.palette ul{max-height:52vh;padding:6px;list-style:none;overflow:auto}.palette li{cursor:pointer;border-radius:10px;grid-template-columns:72px 1fr;gap:2px 10px;padding:10px 12px;display:grid}.palette li.on{background:var(--panel2)}.palette .grp{letter-spacing:.08em;text-transform:uppercase;color:var(--accent-dim);grid-row:span 2;align-self:center;font-size:10.5px;font-weight:800}.palette .lbl{font-size:14.5px;font-weight:700}.palette .sub{color:var(--muted);font-size:12.5px}.palette li.none{color:var(--muted);cursor:default;font-size:14px;display:block}.palette-foot{border-top:1px solid var(--line);color:var(--muted);padding:10px 16px;font-size:12px}.ov-stack{gap:24px;display:grid}.ov-stack .panel{margin-bottom:0}.live-feed li{grid-template-columns:10px 1fr auto}.live-feed li span:nth-child(2){overflow-wrap:anywhere}.admin-shell{transition:grid-template-columns .25s}.admin-shell.side-min{grid-template-columns:72px minmax(0,1fr)}.side-icon{flex:none}.admin-side .side-label{text-overflow:ellipsis;flex:1;min-width:0;overflow:hidden}.admin-side .count{margin-left:auto}.admin-side{box-shadow:inset -1px 0 0 var(--line);border-right:0}.side-rail{cursor:col-resize;z-index:5;touch-action:none;background:0 0;border:0;width:10px;margin:0;padding:0}.side-rail,.side-rail:before{position:absolute;top:0;bottom:0;right:0}.side-rail:before{content:"";background:var(--line);width:1px;transition:width .15s,background .15s}.side-rail.dragging:before,.side-rail:focus-visible:before,.side-rail:hover:before{background:var(--muted);width:2px}@supports (color:color-mix(in lab,red,red)){.side-rail.dragging:before,.side-rail:focus-visible:before,.side-rail:hover:before{background:color-mix(in srgb,var(--muted) 45%,transparent)}}.side-rail:focus{outline:none}.admin-side.collapsed{padding-left:12px;padding-right:12px;overflow-x:hidden}.admin-side.collapsed .admin-side-label{visibility:hidden;height:0;margin:0;padding:0}.admin-side.collapsed a{justify-content:center;padding:11px 0;position:relative}.admin-side.collapsed .side-label{display:none}.admin-side.collapsed .count{min-width:16px;height:16px;padding:0 4px;font-size:9.5px;position:absolute;top:3px;right:3px}.admin-side.collapsed a.active{box-shadow:inset 3px 0 0 var(--accent)}.student-shell .admin-main{padding-top:0}.student-shell .admin-main>.container{width:100%;max-width:none}@media (max-width:860px){.admin-shell.side-min{grid-template-columns:1fr}.admin-side{flex-wrap:nowrap;overflow-x:auto}.admin-side a{flex:none}.admin-side.collapsed .side-label{display:inline}.admin-side .side-rail{display:none}}.admin-shell,.admin-strip+nav .nav-inner,.student-shell{max-width:none}nav:has(+.admin-shell) .nav-inner{width:auto;margin:0;padding:0 24px}.controls-panel{margin-bottom:22px}.control-grid{flex-wrap:wrap;gap:8px;display:flex}.control-form{border-top:1px solid var(--line);gap:14px;max-width:620px;margin-top:16px;padding-top:16px;display:grid}.unlock-list{gap:8px;display:grid}.check-row{cursor:pointer;align-items:center;gap:10px;font-size:14px;display:flex}.danger-ghost{color:#d9534a!important;border-color:#d9534a66!important}.danger-ghost:hover{background:#d9534a14!important}.access-note{background:#d9534a0f;border:1px solid #d9534a59;border-radius:12px;margin:24px 0;padding:22px 24px}.access-note.small{padding:14px 18px;font-size:14px}.access-note h2{margin:0 0 6px}.access-note p{color:var(--muted);margin:0}.online-now{margin-bottom:22px}.online-list{gap:10px;margin:0;padding:6px 22px 16px;list-style:none;display:grid}.online-list li{grid-template-columns:10px auto 1fr;align-items:center;gap:12px;font-size:14px;display:grid}.online-list li .muted{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.switch-row{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:18px;padding-bottom:14px;display:flex}.switch-row p{margin:4px 0 0}.switch{background:var(--line);cursor:pointer;border:0;border-radius:13px;flex:none;width:46px;height:26px;padding:3px;transition:background .2s}.switch span{background:#fff;border-radius:50%;width:20px;height:20px;transition:transform .2s;display:block;box-shadow:0 1px 3px #00000040}.switch.on{background:var(--ok)}.switch.on span{transform:translate(20px)}.switch:disabled{opacity:.6;cursor:default}.block-rows{gap:8px;margin:0;padding:0;list-style:none;display:grid}.block-rows li{grid-template-columns:auto auto 1fr auto;align-items:center;gap:12px;display:grid}.rank-list{gap:8px;margin:0;padding:4px 22px 18px;list-style:none;display:grid}.rank-list li{border-bottom:1px solid var(--line);justify-content:space-between;gap:16px;padding-bottom:8px;font-size:14px;display:flex}.rank-list li:last-child{border-bottom:0}.rank-list li span{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.announce{white-space:pre-wrap;border:1px solid;border-radius:10px;justify-content:space-between;align-items:flex-start;gap:14px;margin:18px 0 0;padding:13px 16px;font-size:14px;font-weight:600;display:flex}.announce.info{background:var(--accent)}@supports (color:color-mix(in lab,red,red)){.announce.info{background:color-mix(in srgb,var(--accent) 9%,transparent)}}.announce.info{border-color:var(--accent)}@supports (color:color-mix(in lab,red,red)){.announce.info{border-color:color-mix(in srgb,var(--accent) 35%,transparent)}}.announce.success{background:var(--ok)}@supports (color:color-mix(in lab,red,red)){.announce.success{background:color-mix(in srgb,var(--ok) 10%,transparent)}}.announce.success{border-color:var(--ok)}@supports (color:color-mix(in lab,red,red)){.announce.success{border-color:color-mix(in srgb,var(--ok) 40%,transparent)}}.announce.warning{background:#e0a0281a;border-color:#e0a02873}.announce button{color:var(--muted);cursor:pointer;background:0 0;border:0;padding:0 2px;font-size:20px;line-height:1}.announce button:hover{color:var(--text)}.lesson-desc{color:var(--muted);white-space:pre-wrap;max-width:760px;margin:6px 0 18px;font-size:15px;line-height:1.6}.module.closed summary h3{opacity:.65}.tree-mod-row{align-items:stretch;display:flex}.tree-mod-row .tree-mod-head{flex:1;min-width:0}.tree-edit{width:40px;color:var(--muted);cursor:pointer;background:0 0;border:0;flex:none;font-size:15px}.tree-edit.current,.tree-edit:hover{background:var(--panel2);color:var(--text)}.tree-chap-title{justify-content:space-between;align-items:center;gap:8px;padding-right:12px;display:flex}.tree-tools{opacity:0;gap:2px;transition:opacity .15s;display:flex}.tree-chap:hover .tree-tools,.tree-tools:focus-within{opacity:1}.tree-tools button{color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:4px;padding:2px 5px;font-size:13px}.tree-tools button:hover:not(:disabled){background:var(--panel2);color:var(--text)}.tree-tools button:disabled{opacity:.3;cursor:default}.tree-add:disabled{opacity:.5}.as-student-bar{background:var(--accent);border-radius:10px;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:14px;margin-bottom:24px;padding:12px 16px;display:flex}@supports (color:color-mix(in lab,red,red)){.as-student-bar{background:color-mix(in srgb,var(--accent) 9%,transparent)}}.as-student-bar{border:1px solid var(--accent)}@supports (color:color-mix(in lab,red,red)){.as-student-bar{border:1px solid color-mix(in srgb,var(--accent) 35%,transparent)}}.as-student-bar{font-size:14px}.as-student-bar .pill{margin-left:8px}@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-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}