/* Single video (single-sb_video.php). The player hero from design/resources/clean/videos.css, scoped to .rs. */
/* Hero: player + panel (design .vhero/.vg/.player/.vside). The design's fake
   control bar and cut-out scene are replaced by the real poster and, on
   click, YouTube's own player (youtube-nocookie). */
.rs .vhero{background:var(--ink);color:#fff;padding:40px 0 56px}
.rs .vhero .crumbs a,.rs .vhero .crumbs{color:#B7C0DC;--ic-ink:#B7C0DC}
.rs .vhero .crumbs a:hover{color:#fff}
.rs .vhero .crumbs [aria-current]{color:#fff;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:40ch}
.rs .vg{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(0,1fr);gap:24px;margin-top:20px;align-items:start}
.rs .player{position:relative;aspect-ratio:16/9;border-radius:24px;overflow:hidden;background:color-mix(in srgb,var(--k) 55%,#0C1638);isolation:isolate}
.rs .player .poster{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.rs .player::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(12,22,56,.55),transparent 38%,transparent 70%,rgba(12,22,56,.45));z-index:1;pointer-events:none}
.rs .player .big{position:absolute;inset:0;margin:auto;width:84px;height:84px;border-radius:50%;background:#fff;border:0;display:grid;place-items:center;cursor:pointer;z-index:3;box-shadow:0 20px 40px -12px rgba(0,0,0,.5);transition:transform .3s var(--ease),opacity .3s;--ic-ink:var(--ink);--ic-accent:var(--ink)}
.rs .player .big:hover{transform:scale(1.08)}
.rs .player .big .sbi{width:34px;height:34px}
.rs .player .ttl{position:absolute;left:24px;top:22px;z-index:2;display:grid;gap:6px;max-width:70%;justify-items:start}
.rs .player .ttl .bd{--k:#fff;background:rgba(255,255,255,.16);color:#fff}
.rs .player .ttl b{font:750 clamp(18px,2vw,24px)/1.15 var(--fd);letter-spacing:-.02em;text-shadow:0 2px 12px rgba(0,0,0,.35);color:#fff}
.rs .player .dur{position:absolute;right:16px;bottom:14px;z-index:2;background:rgba(12,22,56,.82);color:#fff;font-size:13px;font-weight:700;border-radius:8px;padding:4px 9px;font-variant-numeric:tabular-nums}
.rs .player .soon{position:absolute;inset:0;margin:auto;height:max-content;width:max-content;z-index:2;background:rgba(12,22,56,.8);color:#fff;border-radius:999px;padding:10px 18px;font-weight:700;font-size:14px}
.rs .player iframe{position:absolute;inset:0;width:100%;height:100%;border:0;z-index:5}
.rs .player.on::after,.rs .player.on .ttl,.rs .player.on .big,.rs .player.on .dur{display:none}
.rs .vside{display:grid;gap:14px;align-content:start;min-width:0}
.rs .vside .eyebrow{color:#9FB0FF}
.rs .vside .vh{font-size:clamp(1.8rem,3vw,2.4rem);color:#fff;letter-spacing:-.04em;margin:0}
.rs .vside .vd{color:#C9D0E6;margin:0}
.rs .vside .vlb{font:700 14px var(--fb);color:#fff}
.rs .vtabs{display:flex;gap:6px}
.rs .vtabs button{height:36px;padding:0 14px;border-radius:10px;border:1px solid rgba(255,255,255,.2);background:none;color:#fff;font-weight:600;font-size:14px;cursor:pointer}
.rs .vtabs button[aria-pressed="true"]{background:#fff;color:var(--ink)}
.rs .chs{display:grid;gap:4px;max-height:280px;overflow:auto}
.rs .chs a{display:grid;grid-template-columns:52px minmax(0,1fr);gap:10px;text-align:left;padding:10px 12px;border-radius:12px;background:rgba(255,255,255,.06);color:#fff;font-size:14.5px;font-weight:600;text-decoration:none}
.rs .chs a:hover{background:rgba(255,255,255,.12);color:#fff}
.rs .chs a.on{background:#fff;color:var(--ink)}
.rs .chs code{font:600 13px ui-monospace,Menlo,monospace;opacity:.75;background:none;padding:0;color:inherit}
.rs .trs{font-size:14.5px;color:#C9D0E6;display:grid;gap:10px;max-height:280px;overflow:auto;padding-right:6px}
.rs .trs p{margin:0}
.rs a.ts{text-decoration:none;margin-right:4px}
.rs a.ts code{color:#9FB0FF;font:600 12.5px ui-monospace,Menlo,monospace;background:none;padding:0}
.rs a.ts:hover code{text-decoration:underline}
.rs .vopen{width:max-content;margin-top:4px}
/* Cards */
.rs .vc{display:flex;flex-direction:column;gap:10px;text-decoration:none;color:var(--ink);text-align:left;min-width:0}
.rs .vc:hover{color:var(--ink)}
.rs .vc h3{font-size:17px;line-height:1.25}
.rs .vc:hover h3{text-decoration:underline;text-underline-offset:3px}
.rs .vc[aria-current="true"] .vthumb{outline:3px solid var(--royal);outline-offset:2px}
.rs .vthumb{position:relative;display:grid;place-items:center;aspect-ratio:16/9;border-radius:18px;overflow:hidden;background:color-mix(in srgb,var(--k,var(--royal)) 14%,#fff);--ic-accent:var(--k)}
.rs .vthumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.rs .vc:hover .vthumb img{transform:scale(1.04)}
.rs .vthumb .ph{width:56px;height:56px}
.rs .vthumb .play{position:relative;z-index:2;width:52px;height:52px;border-radius:50%;background:#fff;display:grid;place-items:center;box-shadow:0 14px 30px -12px rgba(12,22,56,.5);--ic-ink:var(--ink);--ic-accent:var(--ink);transition:transform .35s var(--ease)}
.rs .vthumb .play .sbi{width:22px;height:22px}
.rs .vc:hover .vthumb .play{transform:scale(1.08)}
.rs .vthumb .ph+.play{display:none}
.rs .vthumb .dur{position:absolute;right:10px;bottom:10px;z-index:2;background:rgba(12,22,56,.82);color:#fff;font-size:12.5px;font-weight:700;border-radius:8px;padding:3px 8px}
.rs .vgrid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px 18px}
.rs .sec-h-r{display:flex;gap:14px;align-items:center}
@media (max-width:900px){.rs .vg{grid-template-columns:minmax(0,1fr)}.rs .vgrid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.rs .vgrid{grid-template-columns:minmax(0,1fr)}.rs .player{border-radius:18px}.rs .player .ttl{left:16px;top:14px;max-width:80%}.rs .player .ttl b{display:none}.rs .player .big{width:64px;height:64px}.rs .player .big .sbi{width:26px;height:26px}.rs .vhero{padding:28px 0 40px}}
@media (prefers-reduced-motion:reduce){.rs .vthumb img,.rs .player .big,.rs .vthumb .play{transition:none}}
/* Description + full transcript */
.rs .vside .vh{font-size:clamp(1.9rem,3.2vw,2.6rem)}
.rs .vbody{max-width:760px;display:grid;gap:32px}
.rs .vbody .prose h2{font-size:26px}
.rs .vtr{border:1px solid var(--line);border-radius:20px;background:#fff}
.rs .vtr summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:10px;padding:18px 20px;font:750 18px var(--fd);color:var(--ink)}
.rs .vtr summary::-webkit-details-marker{display:none}
.rs .vtr summary>.sbi{width:22px;height:22px}
.rs .vtr summary .pm{margin-left:auto;display:grid;transition:transform .3s var(--ease)}
.rs .vtr summary .pm .sbi{width:18px;height:18px}
.rs .vtr[open] summary .pm{transform:rotate(180deg)}
.rs .vtr .prose{padding:0 20px 20px;font-size:16px}
.rs .vtr a.ts code{color:var(--royal)}
@media (prefers-reduced-motion:reduce){.rs .vtr summary .pm{transition:none}}