.pdf-viewer .pdf-toolbar{gap:12px 18px;align-items:center}
.pdf-reading-mode{display:flex;flex:1 0 100%;align-items:center;gap:14px;min-width:0}
.pdf-toolbar .pdf-reading-expand{font-size:15px;font-weight:750;min-height:46px;padding:11px 20px;white-space:normal;text-align:center}
.pdf-reading-tip{color:var(--muted,#64748b);font-size:13px;line-height:1.45}
.pdf-viewer:not(.pdf-expanded) .pdf-scroll{height:clamp(420px,78dvh,1050px);min-height:0;max-height:none}
.pdf-viewer .pdf-search,.pdf-viewer .pdf-pagination,.pdf-viewer .pdf-zoom{min-width:0;max-width:100%;flex-wrap:wrap}
.pdf-viewer .pdf-search{flex:1 1 250px}
.pdf-viewer .pdf-search input{min-width:0;flex:1}
.pdf-viewer .pdf-pagination label{min-width:0}
.pdf-viewer .pdf-toolbar :focus-visible{outline:3px solid #274dc7;outline-offset:3px}
.pdf-viewer.pdf-expanded{inset:0;width:100%;height:100dvh;max-height:100dvh;border:0;border-radius:0;z-index:2000;box-sizing:border-box;isolation:isolate;box-shadow:none}
.pdf-expanded .pdf-toolbar{position:relative;top:auto;max-height:45dvh;overflow:auto;overscroll-behavior:contain;min-height:0}
.pdf-expanded .pdf-reading-mode{flex:0 1 auto;margin-right:auto}
.pdf-expanded .pdf-reading-tip{display:none}
.pdf-viewer.pdf-expanded .pdf-scroll{flex:1 1 0;min-height:0;max-height:none;height:auto;padding:12px;touch-action:pan-x pan-y pinch-zoom}
.pdf-expanded .pdf-search-results{max-height:18dvh;overflow:auto}
@media(max-width:650px){
 .pdf-viewer .pdf-toolbar{padding:12px;gap:10px}
 .pdf-reading-mode{flex-direction:column;align-items:stretch;gap:6px}
 .pdf-reading-tip{font-size:12px}
 .pdf-viewer .pdf-reading-expand{width:100%;min-height:46px}
 .pdf-viewer .pdf-toolbar .btn{min-height:40px}
 .pdf-viewer .pdf-pagination,.pdf-viewer .pdf-zoom{gap:6px}
 .pdf-viewer .pdf-search{flex-basis:100%;width:100%}
 .pdf-viewer .pdf-scroll{padding:8px}
 .pdf-viewer:not(.pdf-expanded) .pdf-scroll{height:72dvh;min-height:280px}
 .pdf-expanded .pdf-toolbar{padding:8px max(8px,env(safe-area-inset-right)) 8px max(8px,env(safe-area-inset-left));gap:7px}
 .pdf-expanded .pdf-reading-mode{flex:1 0 100%}
 .pdf-expanded .pdf-toolbar .btn{padding:7px 10px;min-height:36px}
 .pdf-expanded .pdf-zoom .text-btn{max-width:none;font-size:11px}
 .pdf-viewer.pdf-expanded .pdf-scroll{padding:4px max(4px,env(safe-area-inset-right)) max(4px,env(safe-area-inset-bottom)) max(4px,env(safe-area-inset-left))}
}