:root{color:#20242a;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:#20242a;font-family:Inter,Pretendard,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}html,body,#root{width:100%;height:100%;margin:0;overflow:hidden}button,input{font:inherit}button:focus-visible,input:focus-visible{outline-offset:2px;outline:3px solid #4184eb73}.app-shell{color:#f7f8fa;background:#20242a;position:fixed;inset:0;overflow:hidden}.visually-hidden{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.top-bar,.bottom-bar{z-index:20;padding-left:max(10px, env(safe-area-inset-left));padding-right:max(10px, env(safe-area-inset-right));-webkit-backdrop-filter:blur(16px);background:#111418e8;align-items:center;gap:6px;transition:transform .16s,opacity .16s;display:flex;position:absolute;left:0;right:0}.top-bar{min-height:52px;padding-top:env(safe-area-inset-top);border-bottom:1px solid #ffffff1c;top:0}.bottom-bar{min-height:62px;padding-bottom:env(safe-area-inset-bottom);border-top:1px solid #ffffff1c;justify-content:center;bottom:0}.top-bar.chrome-hidden{opacity:0;pointer-events:none;transform:translateY(-110%)}.bottom-bar.chrome-hidden{opacity:0;pointer-events:none;transform:translateY(110%)}.document-title{text-align:center;text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;font-weight:650;overflow:hidden}.trail-buttons{gap:2px;display:flex}.toolbar-button,.primary-button,.secondary-button,.text-button,.small-icon-button{font:inherit;cursor:pointer;touch-action:manipulation;border:0;border-radius:10px}.toolbar-button{color:#f7f8fa;background:#ffffff17;min-height:42px;padding:0 12px}.toolbar-button:hover,.toolbar-button:focus-visible,.small-icon-button:hover,.small-icon-button:focus-visible{background:#ffffff2b}.toolbar-button:disabled,.small-icon-button:disabled{opacity:.35;cursor:default}.icon-only{min-width:42px;padding:0 9px;font-size:1.25rem}.open-file-button{white-space:nowrap;background:#3578e5}.open-file-button:hover,.open-file-button:focus-visible{background:#4387f4}.pdf-viewer{overscroll-behavior:contain;touch-action:pan-y pinch-zoom;-webkit-overflow-scrolling:touch;justify-content:center;align-items:center;padding:12px;display:flex;position:absolute;inset:0;overflow:auto}.empty-viewer{align-items:center}.pdf-canvas{background:#fff;max-width:none;display:block;box-shadow:0 5px 28px #0000006b}.empty-state{text-align:center;background:#ffffff0e;border:1px solid #ffffff1f;border-radius:22px;width:min(420px,100vw - 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