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var(--border)}.ngl-stage-banner-text{flex-direction:column;gap:.15rem;min-width:0;display:flex}.ngl-stage-no{letter-spacing:.04em;opacity:.9;font-size:.78rem;font-weight:800}.ngl-stage-title{text-overflow:ellipsis;white-space:nowrap;font-size:1.1rem;font-weight:800;line-height:1.25;overflow:hidden}.ngl-stage-badge{flex-shrink:0;font-size:1.35rem}.ngl-stage-locked-msg{color:var(--text-muted);text-align:center;margin:-.25rem 0 0;font-size:.9rem}.ngl-lessons{flex-direction:column;align-items:center;gap:1.4rem;width:100%;display:flex}.ngl-node-wrap{transform:translateX(calc(var(--off,0) * 46px));flex-direction:column;align-items:center;gap:.4rem;transition:transform .2s;display:flex}.ngl-node{cursor:pointer;color:#fff;background:var(--ngl-primary);width:68px;height:68px;box-shadow:0 6px 0 var(--ngl-brown), inset 0 -3px 6px #0000001f;border:none;border-radius:50%;justify-content:center;align-items:center;font-size:1.9rem;transition:transform 80ms,box-shadow 80ms,filter 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var(--bg-hover));border-radius:12px;flex-shrink:0;justify-content:center;align-items:center;width:74px;height:54px;font-size:1.7rem;display:flex;overflow:hidden}.ngl-room-card-thumb img{object-fit:cover;width:100%;height:100%}.ngl-room-card-body{flex-direction:column;flex:1;gap:.3rem;min-width:0;display:flex}.ngl-room-card-body b{text-overflow:ellipsis;white-space:nowrap;font-size:1.05rem;font-weight:800;overflow:hidden}.ngl-room-card-body small{color:var(--text-muted);font-size:.86rem;font-weight:600}.ngl-room-card-start{cursor:pointer;color:#fff;background:var(--ngl-primary);box-shadow:0 2px 0 var(--ngl-primary-dark);border:none;border-radius:999px;align-self:flex-start;padding:.34rem .9rem;font-size:.88rem;font-weight:800}.ngl-room-card-start:hover{filter:brightness(1.06)}.ngl-room-card-start:disabled{opacity:.6;cursor:default}.ngl-room-empty{text-align:center;color:var(--text-muted);margin:2.5rem 0;font-weight:600;line-height:1.7}.ngl-room-bar{z-index:1;background:linear-gradient(135deg, var(--ngl-primary), var(--ngl-primary-dark));color:#fff;box-shadow:0 3px 0 var(--ngl-brown);flex-shrink:0;align-items:center;gap:.8rem;padding:.55rem .9rem;display:flex;position:relative}.ngl-room-back{cursor:pointer;color:var(--ngl-primary-dark);background:#fff;border:none;border-radius:999px;padding:.3rem .75rem;font-size:.9rem;font-weight:800;box-shadow:0 2px #0000002e}.ngl-room-back:hover{filter:brightness(.96)}.ngl-room-bar-title{text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;font-size:1.02rem;font-weight:900;overflow:hidden}.ngl-room-bar-stats{align-items:center;gap:.5rem;font-size:.88rem;font-weight:800;display:flex}.ngl-room-bar-progress{background:#ffffff47;border-radius:999px;width:120px;height:10px;overflow:hidden}.ngl-room-bar-progress i{background:#fff;border-radius:999px;height:100%;transition:width .25s;display:block}.ngl-room-split{flex:1;min-height:0;display:flex;position:relative}.ngl-room-work{flex:1;min-width:0;padding:.9rem;display:flex;overflow:hidden}.ngl-room-work .workspace-panel--desktop{border:2px solid var(--border);border-right:2px solid var(--border);width:100%;min-width:0;box-shadow:0 3px 0 var(--border);background:var(--bg-card);border-radius:18px;overflow:hidden}.ngl-room-work .workspace-body--blocks{padding:1.15rem 1.4rem}.ngl-room-work .workspace-footer--blocks{padding:.8rem 1.4rem 1.1rem}.ngl-room-work .workspace-empty-student{text-align:center;color:var(--text-muted);flex:1;justify-content:center;align-items:center;font-weight:700;line-height:1.8;display:flex}.ngl-room-work .workspace-empty-mascot{font-size:2.6rem;line-height:1}.ngl-room-path{border-left:2px solid color-mix(in srgb, var(--ngl-brown) 22%, var(--border));flex-shrink:0;width:min(460px,42vw);display:flex}.stn-ghost-lingo{cursor:pointer;color:#fff;background:linear-gradient(135deg, var(--accent), #493021);border:none;border-radius:999px;align-items:center;gap:.4rem;margin-top:.6rem;padding:.45rem 1rem;font-size:.93rem;font-weight:800;display:inline-flex;box-shadow:0 3px #2f1f14}.stn-ghost-lingo:hover{filter:brightness(1.05);transform:translateY(-1px)}.lingo-view{flex-direction:column;gap:1rem;min-height:100%;display:flex}.lingo-view-head{flex-direction:column;gap:.35rem;display:flex}.lingo-view-kind{color:#fff;background:linear-gradient(135deg, var(--ngl-primary), var(--ngl-primary-dark));box-shadow:0 2px 0 var(--ngl-brown);border-radius:999px;align-self:flex-start;padding:.2rem .7rem;font-size:.86rem;font-weight:900}.lingo-view-kind[data-kind=reinforce]{background:linear-gradient(135deg, var(--ngl-brown), #2f1f14);box-shadow:0 2px #00000059}.lingo-view-title{margin:0;font-size:1.26rem;font-weight:900}.lingo-view-empty{text-align:center;color:var(--text-muted);margin:1.5rem 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