.viewer-shell,.media-tool-shell,.pdf-tool-shell,.notebook-shell{height:100%;display:flex;flex-direction:column;background:var(--window-bg,#f4f7fb);color:var(--text,#183458);min-height:0}
.viewer-toolbar{height:46px;min-height:46px;display:flex;align-items:center;gap:8px;padding:0 14px;border-bottom:1px solid color-mix(in srgb,currentColor 13%,transparent);background:color-mix(in srgb,var(--panel,#fff) 92%,transparent)}
.viewer-toolbar strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.viewer-spacer{flex:1}.viewer-toolbar button{height:32px;border:1px solid color-mix(in srgb,currentColor 16%,transparent);border-radius:8px;background:var(--panel,#fff);color:inherit;padding:0 10px;display:inline-flex;align-items:center;gap:6px}.viewer-toolbar output{min-width:50px;text-align:center;font-size:12px}
.image-viewer-stage,.media-player-stage,.pdf-viewer-stage{position:relative;flex:1;min-height:0;display:grid;place-items:center;overflow:auto;background:color-mix(in srgb,#111 88%,var(--panel,#fff))}
.image-viewer-stage img{max-width:100%;max-height:100%;transform-origin:center;transition:transform .12s ease;object-fit:contain}
.viewer-empty{text-align:center;color:#7890ae;padding:28px}.viewer-empty .icon{width:56px;height:56px}.viewer-empty h2{margin:10px 0 4px}.viewer-empty p{margin:0;max-width:480px}
.viewer-status{height:28px;min-height:28px;display:flex;justify-content:space-between;align-items:center;padding:0 12px;font-size:12px;border-top:1px solid color-mix(in srgb,currentColor 12%,transparent);background:var(--panel,#fff);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.media-player-stage video{width:100%;height:100%;object-fit:contain;background:#000}.audio-player-card{width:min(430px,calc(100% - 32px));padding:34px 28px;border-radius:20px;text-align:center;background:color-mix(in srgb,var(--panel,#fff) 94%,transparent);box-shadow:0 18px 50px #0004}.audio-disc{display:grid;place-items:center;width:116px;height:116px;margin:0 auto 20px;border-radius:50%;font-size:44px;color:#fff;background:radial-gradient(circle at center,#263b5e 0 14%,#111 15% 50%,#2f67db 51% 100%)}.audio-player-card h2{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.audio-player-card audio{width:100%}
.pdf-viewer-stage{background:#525659}.pdf-viewer-stage iframe{width:100%;height:100%;border:0;background:#fff}
.notebook-shell textarea{flex:1;min-height:0;resize:none;border:0;outline:0;padding:22px 26px;background:var(--panel,#fff);color:inherit;font:15px/1.65 ui-monospace,SFMono-Regular,Consolas,monospace;tab-size:4}.notebook-shell [data-notebook-dirty]{font-size:12px;color:#d9702b}
@media(max-width:600px){.viewer-toolbar{height:42px;min-height:42px;padding:0 8px}.viewer-toolbar button{padding:0 8px}.viewer-toolbar button svg+span{display:none}.notebook-shell textarea{padding:16px}.viewer-status{height:24px;min-height:24px}.audio-player-card{padding:24px 16px}}