/* One shared player: no video source is attached until the viewer presses Play. */
.tv-block{max-width:900px;margin:1.5rem auto 2rem;padding:0 .25rem;scroll-margin-top:7rem;}
.tv-heading{display:flex;align-items:center;gap:.65rem;margin:0 0 .45rem;color:#0f172a;font-size:1.1rem;font-weight:750;}
.tv-heading svg{width:1.65rem;height:1.65rem;color:#2563eb;flex:none;}
.tv-lead{margin:0 0 1rem;color:#64748b;font-size:.85rem;line-height:1.8;}
.tv-choices{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:.5rem;margin-bottom:.8rem;}
.tv-choice{display:flex;flex-direction:column;align-items:flex-start;gap:.25rem;min-width:0;padding:.75rem .85rem;border:1px solid #e2e8f0;border-radius:.85rem;background:#fff;color:#475569;font:inherit;text-align:left;cursor:pointer;transition:background .2s,border-color .2s;}
.tv-choice strong{font-size:.85rem;line-height:1.5;font-weight:700;overflow-wrap:break-word;}
.tv-choice time{font-size:.72rem;color:#94a3b8;font-variant-numeric:tabular-nums;}
.tv-choice[aria-pressed="true"]{background:#eff6ff;border-color:#60a5fa;color:#1d4ed8;}
.tv-choice:hover{border-color:#93c5fd;}
.tv-choice:focus-visible,.tv-play:focus-visible,.tv-link:focus-visible{outline:3px solid #60a5fa;outline-offset:3px;}
.tv-frame{position:relative;aspect-ratio:var(--tv-aspect,1072/640);overflow:hidden;border-radius:1rem;background:#020617;border:1px solid #dbe4ef;}
.tv-frame [hidden],.tv-block [hidden]{display:none!important;}
.tv-cover,.tv-player{display:block;width:100%;height:100%;object-fit:contain;}
.tv-cover{position:absolute;inset:0;}
.tv-player{position:absolute;inset:0;background:#020617;}
.tv-play{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:.75rem;border:0;background:linear-gradient(0deg,rgba(2,6,23,.3),rgba(2,6,23,.05));color:white;font:inherit;cursor:pointer;}
.tv-play-icon{display:grid;place-items:center;width:4rem;height:4rem;border-radius:999px;background:#2563eb;box-shadow:0 5px 30px rgba(0,0,0,.3);transition:background .2s;}
.tv-play:hover .tv-play-icon{background:#1d4ed8;}
.tv-play-icon svg{width:1.8rem;height:1.8rem;fill:currentColor;margin-left:.2rem;}
.tv-play-label{padding:.35rem .8rem;border-radius:999px;background:rgba(15,23,42,.8);font-size:.83rem;font-weight:650;}
.tv-caption{display:flex;justify-content:space-between;align-items:flex-start;gap:.8rem;margin-top:.8rem;}
.tv-current{margin:0 0 .3rem;font-size:.9rem;font-weight:700;color:#0f172a;}
.tv-description,.tv-note,.tv-status,.tv-error{font-size:.8rem;line-height:1.8;color:#64748b;margin:.25rem 0;}
.tv-caption>div{min-width:0;}
.tv-link{color:#2563eb;font-size:.78rem;font-weight:600;text-decoration:none;white-space:nowrap;}
.tv-link:hover{text-decoration:underline;}
.tv-inline{margin:.8rem 0 1rem;font-size:.82rem;line-height:1.8;}
.tv-inline .tv-link{white-space:normal;}
.tv-error{color:#b45309;}
.tv-steps-label{max-width:900px;margin:0 auto .5rem;padding:0 1.5rem;color:#475569;font-size:.8rem;font-weight:700;}
html.dark .tv-heading,html.dark .tv-current{color:#f1f5f9;}
html.dark .tv-lead,html.dark .tv-description,html.dark .tv-note,html.dark .tv-status,html.dark .tv-steps-label{color:#a8b6c9;}
html.dark .tv-choice{background:#172236;border-color:#334155;color:#cbd5e1;}
html.dark .tv-choice[aria-pressed="true"]{background:#193354;border-color:#60a5fa;color:#bfdbfe;}
html.dark .tv-frame{border-color:#334155;}
html.dark .tv-link{color:#93c5fd;}
html.dark .tv-error{color:#fbbf24;}
@media(max-width:639px){.tv-block{margin:1.2rem .05rem 1.5rem;}.tv-choices{grid-template-columns:repeat(2,minmax(0,1fr));}.tv-choice{padding:.6rem .7rem;}.tv-choice strong{font-size:.8rem;}.tv-heading{font-size:1rem;}.tv-caption{flex-wrap:wrap;}.tv-play-icon{width:3.25rem;height:3.25rem;}.tv-steps-label{padding:0 .75rem;}}
@media(prefers-reduced-motion:reduce){.tv-choice,.tv-play-icon{transition:none;}}