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var(--line);width:100%;min-width:0;color:var(--ink);text-align:left;background:#faf9f4b8;border-radius:13px;align-items:center;gap:11px;padding:11px 12px;display:flex}.previous-lecture:not(:disabled):hover{border-color:var(--line-strong);background:var(--surface-strong)}.previous-lecture__icon{width:32px;height:32px;color:var(--accent-dark);background:var(--accent-soft);border-radius:10px;flex:none;place-items:center;display:grid}.previous-lecture__icon svg{width:17px;height:17px}.previous-lecture__copy{gap:3px;min-width:0;display:grid}.previous-lecture__copy strong,.previous-lecture__copy small{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.previous-lecture__copy strong{font-size:.78rem}.previous-lecture__copy small{color:var(--muted);font-size:.68rem}.button,.icon-button,.text-button,.timestamp-button{appearance:none;cursor:pointer;border:0}.button{letter-spacing:-.01em;border-radius:12px;justify-content:center;align-items:center;gap:8px;min-height:44px;padding:0 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h2{margin-bottom:5px;font-size:1.2rem}.job-card__estimate{color:var(--muted);margin:0;font-size:.72rem;line-height:1.4}.job-card__glyph{width:43px;height:43px;color:var(--accent-dark);background:var(--accent-soft);border-radius:13px;flex:none;place-items:center;display:grid}.job-card--failed .job-card__glyph{color:var(--danger);background:var(--danger-soft)}.progress-track{background:#e8e8ed;border-radius:999px;height:7px;margin-top:19px;position:relative;overflow:hidden}.progress-track>span{border-radius:inherit;background:linear-gradient(90deg, var(--accent), #7885ea);height:100%;transition:width .42s;display:block}.job-steps{grid-template-columns:repeat(4,1fr);margin:18px 0 0;padding:0;list-style:none;display:grid}.job-steps li{color:#a1a5a0;align-items:center;gap:7px;display:flex;position:relative}.job-steps li:not(:last-child):after{content:"";background:#dedfdb;height:1px;position:absolute;top:11px;left:34px;right:10px}.job-steps li>span{z-index:1;background:#fbfbff;border:1px solid #d9dbd7;border-radius:50%;flex:none;place-items:center;width:23px;height:23px;font-size:.62rem;font-weight:780;display:grid;position:relative}.job-steps li>span svg{width:13px;height:13px}.job-steps small{z-index:1;white-space:nowrap;background:#fbfbff;padding-right:8px;font-size:.65rem;font-weight:650;position:relative}.job-steps .is-active{color:var(--accent-dark)}.job-steps .is-active>span{border-color:var(--accent);box-shadow:0 0 0 4px #4f5fd714}.job-steps .is-complete{color:var(--mint-ink)}.job-steps .is-complete>span{color:var(--mint-ink);background:var(--mint);border-color:#0000}.job-error{color:#79504c;background:#f8e1dd94;border-radius:12px;justify-content:space-between;align-items:center;gap:20px;margin-top:17px;padding:14px 15px;font-size:.72rem;line-height:1.5;display:flex}.job-error__actions{flex:none;gap:5px;display:flex}.lecture-workspace{border-radius:var(--radius-lg);background:var(--surface);box-shadow:var(--shadow-md);border:1px solid #c9cbc3f2;margin-bottom:96px;overflow:hidden}.lecture-hero{border-bottom:1px solid var(--line);background:radial-gradient(circle at 91% 10%,#4f5fd716,#0000 18rem),linear-gradient(#fffefb,#faf8f2);padding:clamp(27px,5vw,54px) clamp(22px,5.8vw,68px) 34px;position:relative}.lecture-hero__heading{justify-content:space-between;align-items:flex-start;gap:32px;display:flex}.lecture-hero__heading>div:first-child{min-width:0}.lecture-hero h1{max-width:850px;margin-bottom:15px;font-size:clamp(2rem,4.2vw,4.05rem);line-height:1.04}.lecture-meta{color:var(--muted);flex-wrap:wrap;align-items:center;gap:7px 11px;font-size:.68rem;font-weight:620;display:flex}.lecture-meta span{align-items:center;gap:6px;min-width:0;display:inline-flex}.lecture-meta span:first-child{text-overflow:ellipsis;white-space:nowrap;max-width:min(360px,60vw);overflow:hidden}.lecture-meta svg{width:14px;height:14px}.lecture-meta i{background:#afb3ad;border-radius:50%;width:3px;height:3px}.lecture-actions{flex:none;justify-content:flex-end;align-items:center;gap:7px;display:flex}.mini-player{z-index:80;padding:12px 20px calc(12px + env(safe-area-inset-bottom));pointer-events:none;background:linear-gradient(#f3f0e800,#f3f0e8cc 42%,#f3f0e8f5);position:fixed;bottom:0;left:0;right:0}.mini-player__inner{-webkit-backdrop-filter:blur(24px)saturate(1.08);backdrop-filter:blur(24px)saturate(1.08);pointer-events:auto;background:#fffdf8f5;border:1px solid #c9cbc3f5;border-radius:19px;grid-template-columns:minmax(180px,.9fr) auto minmax(250px,1.6fr) auto auto;align-items:center;gap:14px;width:min(1180px,100%);margin:0 auto;padding:10px 13px;display:grid;position:relative;box-shadow:0 18px 46px #1d241f21,0 2px 5px #1d241f0f,inset 0 1px #ffffffd1}.mini-player__identity{border-right:1px solid var(--line);align-items:center;gap:11px;min-width:0;min-height:44px;padding-right:14px;display:flex}.mini-player__icon{color:#f9faf8;background:linear-gradient(145deg,#1e2924,#3f5148);border:1px solid #ffffff1f;border-radius:13px;flex:none;place-items:center;width:42px;height:42px;display:grid;box-shadow:inset 0 1px #ffffff1f,0 5px 12px #1d241f29}.mini-player__icon svg{width:20px;height:20px}.mini-player--playing .mini-player__icon{color:#fff;background:linear-gradient(145deg, var(--accent-dark), var(--accent));box-shadow:inset 0 1px #fff3,0 5px 14px #4f5fd740}.mini-player__copy{gap:2px;min-width:0;display:grid}.mini-player__copy strong{color:var(--ink);text-overflow:ellipsis;white-space:nowrap;font-size:.77rem;font-weight:760;overflow:hidden}.mini-player__copy small{align-items:center;gap:6px;display:inline-flex}.mini-player__status:before{background:var(--muted-light);content:"";border-radius:50%;width:5px;height:5px}.mini-player--playing .mini-player__status:before{background:#55aa76;box-shadow:0 0 0 3px #55aa7621}.mini-player__copy small,.mini-player__time{color:var(--muted);font-size:.62rem;line-height:1.3}.mini-player__controls{border:1px solid var(--line);background:#f7f6f1;border-radius:15px;align-items:center;gap:3px;padding:3px;display:flex;box-shadow:inset 0 1px 1px #1d241f09}.mini-player__control{width:38px;height:38px;color:var(--ink-soft);cursor:pointer;background:0 0;border:1px solid #0000;border-radius:11px;flex:none;place-items:center;padding:0;transition:border-color .14s,background .14s,color .14s,transform .14s;display:grid;position:relative}.mini-player__control:not(:disabled):hover{border-color:var(--line-strong);color:var(--ink);background:var(--surface-strong)}.mini-player__control:not(:disabled):active{transform:scale(.94)}.mini-player__control svg{width:18px;height:18px}.mini-player__control--primary{color:#fff;border-color:var(--accent);background:linear-gradient(145deg, var(--accent), 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0;height:20px}.mini-player__range::-webkit-slider-runnable-track{background:#dfe1db;border-radius:999px;height:5px}.mini-player__volume-range::-webkit-slider-runnable-track{background:#dfe1db;border-radius:999px;height:5px}.mini-player__range::-webkit-slider-runnable-track{background:linear-gradient(90deg, var(--accent) var(--progress), #dfe1db var(--progress))}.mini-player__range::-webkit-slider-thumb{border:2px solid var(--surface-strong);background:var(--accent);appearance:none;border-radius:50%;width:13px;height:13px;margin-top:-4px;box-shadow:0 1px 4px #1d241f33}.mini-player__volume-range::-webkit-slider-thumb{border:2px solid var(--surface-strong);background:var(--accent);appearance:none;border-radius:50%;width:13px;height:13px;margin-top:-4px;box-shadow:0 1px 4px #1d241f33}.mini-player__range::-moz-range-track{background:#dfe1db;border-radius:999px;height:5px}.mini-player__volume-range::-moz-range-track{background:#dfe1db;border-radius:999px;height:5px}.mini-player__range::-moz-range-progress{background:var(--accent);border-radius:999px;height:5px}.mini-player__range::-moz-range-thumb{border:2px solid var(--surface-strong);background:var(--accent);border-radius:50%;width:11px;height:11px}.mini-player__volume-range::-moz-range-progress{background:var(--accent);border-radius:999px;height:5px}.mini-player__volume-range::-moz-range-thumb{border:2px solid var(--surface-strong);background:var(--accent);border-radius:50%;width:11px;height:11px}.mini-player__volume-range::-webkit-slider-runnable-track{background:linear-gradient(90deg, var(--accent) var(--volume), #dfe1db var(--volume))}.mini-player__range:focus-visible,.mini-player__volume-range:focus-visible{outline-offset:2px;outline:3px solid #4f5fd747}.mini-player__speed-control{border:1px solid var(--line);background:#f7f6f1;border-radius:13px;align-items:center;padding:3px;display:flex;position:relative}.mini-player__speed-control:after{border-right:1.5px solid var(--muted);border-bottom:1.5px solid var(--muted);content:"";pointer-events:none;width:6px;height:6px;position:absolute;top:50%;right:10px;transform:translateY(-65%)rotate(45deg)}.mini-player__speed{min-width:62px;height:36px;color:var(--ink-soft);cursor:pointer;appearance:none;background:0 0;border:0;border-radius:10px;outline:none;padding:0 25px 0 10px;font-size:.68rem;font-weight:740}.mini-player__speed:focus-visible{outline-offset:1px;outline:3px solid #4f5fd747}.mini-player__volume{border:1px solid var(--line);background:#f7f6f1;border-radius:15px;align-items:center;gap:5px;padding:3px 7px 3px 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