.preview-shell{min-height:100vh;display:flex;justify-content:center;padding:48px 24px;background-color:#f4f6f9;background-image:radial-gradient(circle,#dde3ea 1px,transparent 1px);background-size:16px 16px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}.preview-shell__card,.preview-shell__xml{width:100%;max-width:960px;height:fit-content;background:#fff;border-radius:12px;box-shadow:0 1px 3px #00000014,0 8px 24px #0000000f}.preview-shell__card{padding:24px}.preview-shell__xml{overflow:hidden;display:flex;flex-direction:column;max-height:calc(100vh - 96px)}.preview-shell__xml-tab{display:flex;justify-content:space-between;align-items:center;padding:10px 16px;font-size:13px;font-weight:600;color:#1d1c1d;border-bottom:1px solid #eee}.preview-shell__xml-tab button{font:inherit;font-weight:500;padding:4px 12px;border:1px solid #d0d7de;border-radius:6px;background:#f6f8fa;cursor:pointer}.preview-shell__xml-body{margin:0;padding:16px;overflow:auto;font-family:ui-monospace,SFMono-Regular,SF Mono,Menlo,Consolas,monospace;font-size:12.5px;line-height:1.6;color:#1d1c1d}.preview-shell__xml-body .xml-tag{color:#0550ae}.preview-shell__xml-body .xml-attr{color:#9b2393}.preview-shell__xml-body .xml-value{color:#1a7f37}.preview-shell__xml-body .xml-text{color:#1d1c1d}.preview-shell__panes{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:24px;width:100%;max-width:1440px;align-items:start}.preview-shell__panes>.preview-shell__xml{max-width:none}.preview-shell__visual{height:calc(100vh - 96px)}.preview-shell__visual iframe{flex:1;width:100%;border:0;background:#eef1f5}.preview-shell__xml-tab label{font-weight:500;display:flex;gap:6px;align-items:center}@media(max-width:960px){.preview-shell__panes{grid-template-columns:minmax(0,1fr)}}