.sht{--sht-desk:#fff7e1;--sht-dot:rgba(13,47,63,0.11);background-color:var(--sht-desk);background-image:radial-gradient(var(--sht-dot) 1.2px,transparent 1.3px);background-size:26px 26px}[data-theme=dark] .sht{--sht-desk:#0d222c;--sht-dot:rgba(255,255,255,0.07)}.sht .sht-body{display:block;min-height:70vh}.sht .sht-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;margin:0}.sht .sht-prac{grid-template-rows:auto 1fr;grid-template-areas:"video echo" "lines echo";gap:20px 26px}.sht .sht-vcol{grid-area:video;min-width:0}.sht .sht-tcol{grid-area:lines;min-width:0}.sht .sht-echo{grid-area:echo;position:-webkit-sticky;position:sticky;top:20px}.sht .sht-dots{flex-wrap:wrap}.sht .sht-body .sht-video{display:block;width:100%}.sht .sht-video iframe,.sht .sht-yt-host,.sht .sht-yt-player{position:absolute;inset:0;width:100%;height:100%;border:0}.sht .sht-yt-mask{position:absolute;inset:0;z-index:1;background:linear-gradient(180deg,transparent 55%,rgba(13,47,63,.55))}.sht .sht-body .sht-video .sp-screen-play{z-index:2;top:46%;border:0;padding:0;cursor:pointer;transition:transform .15s}.sht .sht-body .sht-video .sp-screen-play:hover{transform:translate(-50%,-50%) scale(1.06)}.sht .sht-body .sht-video .sp-screen-play:focus-visible{outline:3px solid var(--gold);outline-offset:2px}.sht .sht-body .sht-video .sp-video-cap{z-index:2;pointer-events:none}.sht .sht-body .sht-video .sp-video-bar{z-index:2}.sht .sht-lines{position:relative;max-height:440px;overflow-y:auto;overscroll-behavior:contain;padding:2px;scrollbar-width:thin}.sht .sht-body .sht-lines .sp-line{width:100%;text-align:start}.sht .sht-body .sp-line:focus-visible,.sht .sht-body .sp-round:focus-visible,.sht .sht-body .vd-btn:focus-visible,.sht .sht-body .vd-chip:focus-visible{outline:3px solid var(--gold);outline-offset:2px}.sht .sht-dock{display:flex;flex-direction:column;gap:18px}[dir=rtl] .sht .sht-flip{transform:scaleX(-1)}[dir=rtl] .sht .sht-body .vd-kbd{margin-left:0;margin-right:4px}.sht .sht-state-main{padding-top:40px}.sht .sht-card{width:100%;padding:40px 36px;display:flex;flex-direction:column;align-items:center;text-align:center;gap:14px}.sht .sht-card-h{font:600 28px/1.15 var(--font-display)}.sht .sht-card-h.is-big{font-size:30px}.sht .sht-card-p{font:600 14.5px/1.55 var(--font-body);color:var(--slate);max-width:480px}.sht .sht-card-acts{gap:12px;margin-top:10px;justify-content:center;flex-wrap:wrap}.sht .sht-lbl-err{color:var(--danger)}.sht .sht-lbl-wait{color:var(--gold-deep)}[data-theme=dark] .sht .sht-lbl-err{color:var(--coral)}[data-theme=dark] .sht .sht-lbl-wait{color:var(--gold)}.sht .sht-sk-video{aspect-ratio:16/9;border-radius:22px}.sht .sht-sk-echo{box-shadow:none}.sht .sht-sk-line{height:11px;border-radius:8px;flex:0 0 auto}.sht .sht-sk-dots{display:flex;flex-wrap:wrap;gap:6px}.sht .sht-sk-dots .sk{width:22px;height:7px;border-radius:5px}.sht .sht-sk-sent{display:flex;flex-direction:column;gap:10px}.sht .sht-sk-sent .sk{height:28px;border-radius:10px}.sht .sht-sk-hint{width:60%;height:13px;align-self:center}.sht .sht-sk-ctrl{justify-content:center;gap:16px}.sht .sht-sk-ctrl .sk{width:56px;height:56px;border-radius:28px}.sht .sht-sk-lines{display:flex;flex-direction:column;gap:4px;margin-top:12px}.sht .sht-sk-row{padding:11px 14px;gap:12px}.sht .sht-sk-n{width:24px;height:24px;border-radius:8px;flex:0 0 auto}@media (max-width:900px){.sht .sht-prac{grid-template-rows:none;grid-template-areas:"video" "echo" "lines"}.sht .sht-echo{position:static}}@media (max-width:760px){.sht .sht-body .vd-bar{padding:18px 16px 6px}.sht .sht-body .vd-main{padding:10px 16px 48px}.sht .sht-body .vd-title{font-size:22px}.sht .sht-prac{gap:16px}.sht .sht-body .sp-video{border-radius:16px}.sht .sht-body .sp-echo{padding:18px 16px;gap:14px}.sht .sht-body .sp-sent{font-size:21px}.sht .sht-body .sp-ctrl{gap:10px}.sht .sht-body .sp-round{width:46px;height:46px}.sht .sht-dock{position:-webkit-sticky;position:sticky;bottom:calc(8px + env(safe-area-inset-bottom, 0px));z-index:3;gap:10px;margin:0 -8px;padding:10px 8px;border-radius:22px;background:var(--surf);box-shadow:0 -10px 24px rgba(13,47,63,.1)}[data-theme=dark] .sht .sht-dock{box-shadow:0 -10px 24px rgba(0,0,0,.3)}.sht .sht-dock .vd-kbd,.sht .sht-keys{display:none}.sht .sht-lines{max-height:none}.sht .sht-state-main{padding-top:16px}.sht .sht-card{padding:26px 18px}.sht .sht-card-h,.sht .sht-card-h.is-big{font-size:23px}.sht .sht-body .sht-card-acts .lp-btn{flex:1 1 100%;justify-content:center}}