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var(--line-strong);border-radius:8px;background:#fff;cursor:pointer}.color-value{color:var(--sub);font-size:10px;font-weight:700;font-variant-numeric:tabular-nums}.book-title{overflow:hidden;font-size:11px;font-weight:600;text-overflow:ellipsis;white-space:nowrap}.cover-mode-row{display:grid;grid-template-columns:repeat(3,1fr);gap:7px;margin-top:12px}.choice-button{min-height:38px;font-size:10px}.upload-button{display:flex;align-items:center;justify-content:center;min-height:40px;margin-top:12px;border:1px dashed #aeb5bf;border-radius:var(--radius-md);background:#fff;color:#4b5562;font-size:11px;font-weight:700;cursor:pointer}.upload-button input{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);clip-path:inset(50%)}.upload-caption{margin:7px 0 0;overflow:hidden;color:var(--faint);font-size:10px;font-weight:500;text-overflow:ellipsis;white-space:nowrap}.json-heading>span{display:inline-flex;align-items:center;min-height:23px;padding:0 8px;border-radius:999px;background:#f0f2f5;color:var(--sub);font-size:9px;font-weight:700}.json-section textarea{min-height:220px;margin-top:12px;padding:11px;resize:vertical;background:#151a22;color:#e9edf3;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:10px;line-height:1.55;-moz-tab-size:2;tab-size:2}.json-error{margin:8px 0 0;color:#c43d4e;font-size:10px;font-weight:700}.primary-button{width:100%;min-height:44px;margin-top:12px;border:1px solid #276fe9;border-radius:var(--radius-md);background:var(--primary);box-shadow:0 4px 0 var(--primary-dark);color:#fff;font-size:13px;font-weight:700;cursor:pointer}@media(max-width:1120px){.lab-layout{grid-template-columns:1fr}.control-panel{position:static;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));max-height:none;overflow:visible}.control-section+.control-section{border-top:0;border-left:1px solid var(--line)}.control-section:nth-child(odd){border-left:0}.control-section:nth-child(n+3){border-top:1px solid var(--line)}.json-section{grid-column:1 / -1}}@media(max-width:720px){.lab-app{padding:20px 14px 32px}.lab-header,.panel-head,.preview-meta{align-items:flex-start;flex-direction:column}.live-status{align-self:flex-start}.view-switch{width:100%}.view-switch button{flex:1;min-width:0}.preview-panel,.app-preview-panel{padding:12px;border-radius:14px}.app-preview-stage{padding:12px}.data-badges{justify-content:flex-start}.implementation-note{grid-template-columns:1fr;gap:5px}.control-panel{display:block}.control-section+.control-section,.control-section:nth-child(odd){border-top:1px solid var(--line);border-left:0}.mask-label{display:none}}@media(prefers-reduced-motion:reduce){.app-feed-start,.app-preview-toast,.app-feed-adjust-button,.app-feed-settings-close{transition:none}.app-feed-settings-sheet{animation:none}.app-feed-primary-action:before,.app-feed-primary-action:after{animation:none;opacity:.3;transform:none}}