html.preview-open { overflow: hidden; }
.paper-preview {
  --grid: var(--line, #8885);
  position: fixed; inset: 0; width: 100%; height: 100%; max-width: none; max-height: none;
  margin: 0; padding: 0; border: 0; background: transparent; color: white; overflow: hidden;
}
.paper-preview [hidden] { display: none !important; }
.paper-preview::backdrop { background: #111d; }
.preview-feed { width: 100%; height: 100%; overflow: auto; overscroll-behavior: contain; touch-action: pan-x pan-y; }
.preview-feed:focus-visible { outline: none; }
.preview-pages { margin: 24px auto 100px; padding: 0; display: flex; flex-direction: column; gap: 20px; }
.preview-card { position: relative; flex: none; width: 100%; margin: 0; background: #fff; color: #111; box-shadow: 0 3px 20px #0006; }
.preview-card canvas { display: block; width: 100%; height: 100%; }
.preview-card:not([data-loaded])::after { content: "Loading page…"; position: absolute; inset: 24px 0 auto; text-align: center; color: #777; }
.preview-page-text { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.preview-card[data-error]::after { content: none; }
.preview-card[data-error] .preview-page-text { position: static; width: auto; height: auto; margin: 24px; overflow: visible; clip-path: none; white-space: normal; }
.preview-status { text-align: center; margin: 48px 24px; }
.preview-zoom, .preview-actions { position: fixed; z-index: 1; bottom: max(16px, env(safe-area-inset-bottom)); display: flex; align-items: center; gap: 0; padding: 3px; margin: 0; border: 1px solid #ffffff35; border-radius: 8px; background: #222f; box-shadow: 0 2px 12px #0005; }
.preview-zoom { left: 16px; }
.preview-actions { right: 16px; }
.preview-zoom button, .preview-actions a { display: inline-block; border: 0; background: none; padding: 10px 12px; min-height: 40px; color: white; font: 14px/20px system-ui, sans-serif; text-decoration: none; cursor: pointer; border-radius: 5px; }
.preview-zoom button:hover, .preview-actions a:hover { background: #ffffff20; }
.preview-zoom button:disabled { opacity: .35; cursor: default; }
.preview-zoom button:focus-visible, .preview-actions a:focus-visible { outline: 2px solid white; outline-offset: -2px; }
@media (max-width: 600px) {
  .preview-pages { margin-top: 16px; gap: 14px; }
  .preview-zoom { left: 8px; }
  .preview-actions { right: 8px; }
  .preview-zoom button, .preview-actions a { padding: 9px 7px; font-size: 12px; }
}
.preview-pages { margin-top: 70px; align-items: center; }
.preview-card { border-radius: 12px; overflow: hidden; }
.preview-formats { position: fixed; z-index: 2; top: max(12px, env(safe-area-inset-top)); left: 50%; transform: translateX(-50%); display: flex; gap: 2px; padding: 4px; margin: 0; border: 1px solid #ffffff35; border-radius: 24px; background: #222f; box-shadow: 0 2px 12px #0005; }
.preview-formats button { border: 0; border-radius: 18px; padding: 8px 16px; min-height: 36px; background: none; color: #ddd; font: 14px/20px system-ui, sans-serif; cursor: pointer; }
.preview-formats button[aria-pressed="true"] { background: #fff; color: #222; }
.preview-formats button:hover { background: #ffffff25; }
.preview-formats button[aria-pressed="true"]:hover { background: #eee; }
.preview-formats button:focus-visible { outline: 2px solid #ff69b4; outline-offset: 2px; }