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36px;-webkit-mask-image:radial-gradient(120% 90% at 50% 0%,rgba(0,0,0,.55),rgba(0,0,0,0) 78%);mask-image:radial-gradient(120% 90% at 50% 0%,#0000008c,#0000 78%)}.preview-pane{position:relative;z-index:1}.app-view-switch{display:none}@media(max-width:980px){.tb-actions .tb-btn--ghost:nth-child(n+2){display:none}.app-body{grid-template-columns:1fr;grid-template-rows:minmax(0,44%) minmax(0,1fr)}.app-editor,.app-resizer,.app-preview{grid-column:auto}.app-editor{max-height:none;border-right:none;border-top:1px solid var(--border)}.app-preview{order:-1}.app-resizer,.tb-layout{display:none}.app-body.is-collapsed .app-editor,.app-body.is-zen .app-preview{display:block}.app-body.is-zen .app-editor{padding:24px 20px 96px}}@media(max-width:720px){.tb-title small{display:none}.tb{height:56px;flex:0 0 56px;padding:0 12px;gap:8px}.tb-logo{width:34px;height:34px;border-radius:10px;font-size:12px}.tb-title strong{font-size:14px}.tb-actions{display:none}.tb-btn--primary{padding:8px 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