.preprints{scroll-margin-top:6rem}.preprint-player{position:relative;margin:0 0 .55rem}.preprint-play{position:relative;display:block;overflow:hidden;aspect-ratio:16 / 9;border-radius:8px;background:#111;box-shadow:0 2px 8px rgba(0,0,0,0.12)}.preprint-play img,.preprint-player video{display:block;width:100%;height:auto;aspect-ratio:16 / 9;object-fit:contain}.preprint-player video{border-radius:8px;background:#111}.preprint-play-icon{position:absolute;inset:50% auto auto 50%;transform:translate(-50%,-50%);display:grid;place-items:center;width:3.2rem;height:2.3rem;border-radius:.6rem;color:#fff;background:rgba(0,0,0,0.78);transition:background 150ms ease}.preprint-play:hover .preprint-play-icon,.preprint-play:focus-visible .preprint-play-icon{background:var(--global-theme-color)}.preprint-play:focus-visible,.preprint-player video:focus-visible{outline:3px solid var(--global-theme-color);outline-offset:3px}.preprint-play-caption{position:absolute;inset:auto 0 0;padding:.3rem .6rem;color:#fff;background:linear-gradient(transparent,rgba(0,0,0,0.8));font-size:.68rem;text-align:right}.preprint-video-error{margin:.45rem 0 0;font-size:.75rem}.preprint-expand{position:absolute;top:.35rem;right:.35rem;z-index:1;display:inline-flex;align-items:center;gap:.3rem;min-height:1.8rem;padding:.2rem .4rem;border:1px solid rgba(255,255,255,0.55);border-radius:5px;background:rgba(0,0,0,0.8);color:#fff;font:inherit;font-size:.65rem;font-weight:600;cursor:pointer}.preprint-expand:hover{background:var(--global-theme-color)}.preprint-expand:focus-visible,.preprint-video-close:focus-visible{outline:3px solid var(--global-theme-color);outline-offset:2px}.preprint-player video:fullscreen{width:100%;height:100%;aspect-ratio:auto;object-fit:contain;transform:none!important}.preprint-video-dialog{width:min(94vw,1100px);max-width:94vw;max-height:92vh;margin:auto;padding:.65rem;border:1px solid rgba(255,255,255,0.3);border-radius:10px;background:#111;color:#fff}.preprint-video-dialog::backdrop{background:rgba(0,0,0,0.8)}.preprint-video-close{display:block;margin:0 0 .55rem auto;padding:.25rem .6rem;border:1px solid rgba(255,255,255,0.6);border-radius:5px;background:transparent;color:#fff;font:inherit;font-size:.8rem;cursor:pointer}.preprint-video-dialog video{display:block;width:100%;max-height:78vh;object-fit:contain;background:#000}body.preprint-video-modal-open{overflow:hidden}