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@property --drawer-h{syntax:"<number>";inherits:true;initial-value:64}:root{--bg:#0a0a0a;--bg-1:#111;--bg-2:#161616;--line:#1f1f1f;--line-2:#2a2a2a;--fg:#f5f5f5;--fg-2:#a3a3a3;--fg-3:#6b6b6b;--fg-4:#4a4a4a;--accent:#84cc16;--sans:var(--font-sans), ui-sans-serif, system-ui, sans-serif;--display:var(--font-sans), ui-sans-serif, system-ui, sans-serif;--display-tracking:-.02em;--mono:var(--font-mono), ui-monospace, "SF Mono", Menlo, monospace;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}body[data-accent=lime]{--accent:#84cc16}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--bg);color:var(--fg);font-family:var(--sans);font-feature-settings:"ss01", "cv11";-webkit-font-smoothing:antialiased;height:100vh;font-size:14px;line-height:1.5;overflow:hidden}button{font:inherit;color:inherit;cursor:pointer;background:0 0;border:0;padding:0}a{color:inherit;text-decoration:none}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}::selection{background:var(--fg);color:var(--bg)}.mono{font-family:var(--mono);font-feature-settings:"tnum"}.caps{text-transform:uppercase;letter-spacing:.08em;font-size:11px;font-weight:500}.num{font-family:var(--mono);font-variant-numeric:tabular-nums}.app{grid-template-rows:56px 1fr 80px;grid-template-columns:1fr;width:100vw;height:100dvh;display:grid}.topnav{border-bottom:1px solid var(--line);background:var(--bg);z-index:10;grid-area:1/1/2/2;align-items:center;gap:28px;height:56px;padding:0 24px;display:flex;position:relative}.topnav .brand{padding:0}.topnav .nav-list{align-items:center;gap:4px;display:flex}.topnav .nav-link{color:var(--fg-2);cursor:pointer;border:1px solid #0000;border-radius:4px;align-items:center;gap:6px;padding:6px 12px;font-size:13px;display:flex;position:relative}.topnav .nav-link:hover{color:var(--fg);background:var(--bg-1)}.topnav .nav-link.active{color:var(--fg);background:var(--bg-1);border-color:var(--line)}.topnav .nav-link .chev{opacity:.6;width:10px;height:10px}.topnav .nav-link .badge{font-family:var(--mono);color:var(--fg-3);border:1px solid var(--line-2);border-radius:2px;margin-left:4px;padding:0 4px;font-size:9px}.topnav .nav-spacer{flex:1}.brand{align-items:baseline;gap:8px;padding:4px 8px 0;display:flex}.brand .mark{font-family:var(--mono);letter-spacing:-.01em;font-size:14px;font-weight:500}.brand .dot{background:var(--accent);border-radius:50%;width:6px;height:6px;transform:translateY(-2px)}.nav-pop{background:var(--bg-1);border:1px solid var(--line-2);z-index:20;border-radius:6px;flex-direction:column;gap:2px;min-width:360px;padding:6px;display:flex;position:absolute;top:50px;left:0;box-shadow:0 12px 32px #00000073}.nav-pop .pop-h{font-family:var(--mono);color:var(--fg-3);text-transform:uppercase;letter-spacing:.1em;justify-content:space-between;padding:8px 10px 4px;font-size:10px;display:flex}.nav-pop .pop-row{cursor:pointer;border-radius:4px;grid-template-columns:56px 1fr 60px;align-items:center;gap:10px;padding:10px;display:grid}.nav-pop .pop-row:hover{background:var(--bg-2)}.nav-pop .pop-row.muted{cursor:default;opacity:.55}.nav-pop .pop-row.muted:hover{background:0 0}.nav-pop .pop-row .code{font-family:var(--mono);color:var(--fg-3);text-transform:uppercase;letter-spacing:.06em;font-size:10px}.nav-pop .pop-row .t{color:var(--fg);white-space:nowrap;text-overflow:ellipsis;font-size:13px;overflow:hidden}.nav-pop .pop-row .d{color:var(--fg-3);white-space:nowrap;text-overflow:ellipsis;font-size:11px;overflow:hidden}.nav-pop .pop-row .stat{font-family:var(--mono);color:var(--fg-3);text-align:right;text-transform:uppercase;letter-spacing:.06em;font-size:10px}.nav-pop .pop-row .stat.live{color:var(--accent)}.main{background:var(--bg);grid-area:2/1/3/2;overflow:hidden auto}.topbar{z-index:5;border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#0a0a0ad9;align-items:center;gap:16px;height:48px;padding:0 24px;display:flex;position:sticky;top:0}.crumbs{font-family:var(--mono);color:var(--fg-3);align-items:center;gap:8px;font-size:11px;display:flex}.crumbs .sep{color:var(--fg-4)}.crumbs .now{color:var(--fg)}.topbar .grow{flex:1}.lib-page{max-width:1280px;padding:32px 40px 64px}.lib-head{border-bottom:1px solid var(--line);margin-bottom:28px;padding-bottom:24px}.lib-head h1{font-family:var(--display);letter-spacing:var(--display-tracking);margin:0 0 8px;font-size:36px;font-weight:400}.lib-head .lede{color:var(--fg-2);max-width:60ch;margin:0;font-size:14px}.lib-head .stats{gap:32px;margin-top:22px;display:flex}.lib-head .stats>div{flex-direction:column;gap:2px;display:flex}.lib-head .stats .k{font-family:var(--mono);color:var(--fg-3);text-transform:uppercase;letter-spacing:.1em;font-size:10px}.lib-head .stats .v{font-family:var(--mono);color:var(--fg);font-size:14px}.course-list{border-top:1px solid var(--line)}.course-row{border-bottom:1px solid var(--line);cursor:pointer;grid-template-columns:72px minmax(0,1fr) minmax(0,160px) 80px 70px 28px;align-items:center;gap:16px;padding:18px 8px;display:grid}.course-row:hover{background:var(--bg-1)}.course-row .c-code{font-family:var(--mono);color:var(--fg-2);text-transform:uppercase;letter-spacing:.08em;border:1px solid var(--line-2);border-radius:2px;width:max-content;padding:3px 7px;font-size:11px}.course-row .c-title{flex-direction:column;gap:4px;min-width:0;display:flex;overflow:hidden}.course-row .c-title .t{color:var(--fg);white-space:nowrap;text-overflow:ellipsis;font-size:16px;overflow:hidden}.course-row .c-title .d{color:var(--fg-3);white-space:nowrap;text-overflow:ellipsis;font-size:12px;overflow:hidden}.course-row .c-meta{font-family:var(--mono);color:var(--fg-3);font-size:11px}.course-row .c-prog{font-family:var(--mono);color:var(--fg-3);align-items:center;gap:8px;font-size:11px;display:flex}.course-row .c-prog .mini-bar{background:var(--line-2);width:36px;height:2px;position:relative}.course-row .c-prog .mini-bar>div{background:var(--fg);position:absolute;top:0;bottom:0;left:0}.course-row .c-prog.done{color:var(--accent)}.course-row .c-status{font-family:var(--mono);color:var(--fg-3);text-transform:uppercase;letter-spacing:.08em;text-align:right;font-size:10px}.course-row .c-status.live{color:var(--accent)}.course-row .c-status.draft{color:var(--fg-3)}.page{max-width:1280px;padding:32px 40px 64px}.course-hero{border-bottom:1px solid var(--line);grid-template-columns:1fr 320px;gap:48px;margin-bottom:32px;padding-bottom:32px;display:grid}.eyebrow{font-family:var(--mono);color:var(--fg-3);text-transform:uppercase;letter-spacing:.12em;align-items:center;gap:12px;margin-bottom:14px;font-size:11px;display:flex}.eyebrow .pill{border:1px solid var(--line-2);color:var(--fg-2);border-radius:2px;padding:1px 6px}.course-hero h1{font-family:var(--display);letter-spacing:var(--display-tracking);text-wrap:balance;margin:0 0 16px;font-size:44px;font-weight:400;line-height:1.05}.course-hero .lede{color:var(--fg-2);max-width:56ch;margin:0 0 20px;font-size:15px;line-height:1.55}.meta-grid{grid-template-columns:repeat(4,max-content);gap:32px;margin-top:24px;display:grid}.meta-grid .m-label{font-family:var(--mono);color:var(--fg-3);text-transform:uppercase;letter-spacing:.1em;margin-bottom:4px;font-size:10px}.meta-grid .m-val{font-family:var(--mono);color:var(--fg);font-size:14px}.hero-side{border:1px solid var(--line);background:var(--bg-1);border-radius:4px;align-self:start;padding:20px}.hero-side h5{font-family:var(--mono);color:var(--fg-3);text-transform:uppercase;letter-spacing:.1em;margin:0 0 12px;font-size:10px}.progress-card .pct{font-family:var(--mono);letter-spacing:-.02em;font-size:32px;font-weight:400}.progress-card .pct .of{color:var(--fg-3);font-size:18px}.progress-card .bar{background:var(--line-2);height:2px;margin:14px 0 10px;overflow:hidden}.progress-card .bar>div{background:var(--fg);height:100%}.progress-card .row{font-family:var(--mono);color:var(--fg-3);justify-content:space-between;font-size:11px;display:flex}.resume-btn{background:var(--fg);width:100%;color:var(--bg);font-family:var(--mono);text-transform:uppercase;letter-spacing:.1em;border-radius:3px;justify-content:center;align-items:center;gap:8px;margin-top:18px;padding:10px 12px;font-size:11px;display:flex}.resume-btn:hover{background:#fff}.section-head{align-items:baseline;gap:16px;margin:0 0 16px;display:flex}.section-head h2{font-size:13px;font-family:var(--mono);color:var(--fg);text-transform:uppercase;letter-spacing:.1em;margin:0;font-weight:500}.section-head .count{font-family:var(--mono);color:var(--fg-3);font-size:11px}.section-head .right{gap:4px;margin-left:auto;display:flex}.seg{border:1px solid var(--line);border-radius:3px;display:inline-flex;overflow:hidden}.seg button{font-family:var(--mono);text-transform:uppercase;letter-spacing:.08em;color:var(--fg-3);border-right:1px solid var(--line);padding:4px 10px;font-size:10px}.seg button:last-child{border-right:0}.seg button.on{background:var(--bg-1);color:var(--fg)}.toc{border-top:1px solid var(--line)}.toc-row{border-bottom:1px solid var(--line);cursor:pointer;grid-template-columns:48px 1fr 180px 90px 70px 32px;align-items:center;gap:16px;padding:14px 8px;transition:background .1s;display:grid}.toc-row:hover,.toc-row.playing{background:var(--bg-1)}.toc-row.playing .t-num{color:var(--accent)}.t-num{font-family:var(--mono);color:var(--fg-3);align-items:center;gap:8px;font-size:12px;display:flex}.t-num .play-ic{opacity:0;width:14px;height:14px;color:var(--fg)}.toc-row:hover .t-num .play-ic{opacity:1}.toc-row:hover .t-num .num-text{display:none}.t-title{flex-direction:column;gap:4px;min-width:0;display:flex}.t-title .title{color:var(--fg);white-space:nowrap;text-overflow:ellipsis;font-size:14px;font-weight:400;overflow:hidden}.t-title .desc{color:var(--fg-3);white-space:nowrap;text-overflow:ellipsis;font-size:12px;overflow:hidden}.t-tags{flex-wrap:nowrap;gap:4px;display:flex;overflow:hidden}.tag{font-family:var(--mono);color:var(--fg-2);border:1px solid var(--line-2);text-transform:uppercase;letter-spacing:.06em;white-space:nowrap;border-radius:2px;padding:1px 6px;font-size:10px}.t-prog{font-family:var(--mono);color:var(--fg-3);align-items:center;gap:8px;font-size:11px;display:flex}.t-prog .mini-bar{background:var(--line-2);width:36px;height:2px;position:relative}.t-prog .mini-bar>div{background:var(--fg);position:absolute;top:0;bottom:0;left:0}.t-prog.done{color:var(--accent)}.t-dur{font-family:var(--mono);color:var(--fg-3);text-align:right;font-size:12px}.t-more{color:var(--fg-3);justify-content:center;align-items:center;width:18px;height:18px;display:flex}.t-more:hover{color:var(--fg)}.play-page{padding:0}.play-top{border-bottom:1px solid var(--line);align-items:flex-end;gap:32px;padding:32px 40px 24px;display:flex}.play-top .id-num{font-family:var(--mono);letter-spacing:-.04em;color:var(--fg);font-size:96px;font-weight:300;line-height:.85}.play-top .id-num .of{color:var(--fg-4)}.play-top .id-meta{flex:1;padding-bottom:8px}.play-top .id-meta .eyebrow{margin-bottom:8px}.play-top h1{font-family:var(--display);letter-spacing:var(--display-tracking);margin:0 0 12px;font-size:32px;font-weight:400;line-height:1.1}.play-top .id-meta-row{font-family:var(--mono);color:var(--fg-3);text-transform:uppercase;letter-spacing:.08em;gap:24px;font-size:11px;display:flex}.play-top .id-meta-row span.v{color:var(--fg-2)}.play-body{grid-template-columns:1fr;display:grid}.play-main{min-width:0;max-width:760px;margin:0 auto;padding:32px 40px}.h-block{margin-bottom:32px}.h-block h3{font-family:var(--mono);text-transform:uppercase;letter-spacing:.1em;color:var(--fg-3);align-items:baseline;gap:12px;margin:0 0 14px;font-size:11px;font-weight:500;display:flex}.h-block h3 .count{color:var(--fg-4)}.summary{color:var(--fg-2);text-wrap:pretty;max-width:64ch;font-size:17px;line-height:1.6}.summary p{margin:0 0 12px}.chapters{border-top:1px solid var(--line);flex-direction:column;display:flex}.chap{border-bottom:1px solid var(--line);cursor:pointer;grid-template-columns:56px 1fr 60px;align-items:baseline;gap:12px;padding:10px 4px;display:grid}.chap:hover{background:var(--bg-1)}.chap .t{font-family:var(--mono);color:var(--fg-3);font-size:11px}.chap .l{color:var(--fg);font-size:13px}.chap .d{font-family:var(--mono);color:var(--fg-3);text-align:right;font-size:11px}.chap.active .l,.chap.active .t{color:var(--accent)}.ref-list{flex-direction:column;gap:8px;display:flex}.ref-list a{border:1px solid var(--line);color:var(--fg-2);border-radius:3px;justify-content:space-between;padding:8px 10px;font-size:12px;display:flex}.ref-list a:hover{border-color:var(--line-2);color:var(--fg)}.ref-list a .k{font-family:var(--mono);color:var(--fg-3);text-transform:uppercase;letter-spacing:.08em;font-size:10px}.transcript{border-top:1px solid var(--line);color:var(--fg-2);max-width:64ch;padding-top:16px;font-size:13px;line-height:1.7}.transcript .ts{font-family:var(--mono);color:var(--fg-3);margin-right:12px;font-size:11px}.transcript p{margin:0 0 14px}.transcript p.active{color:color-mix(in srgb, var(--accent) 12%, var(--fg))}.player{border-top:1px solid var(--line);background:var(--bg-1);grid-area:3/1/4/2;grid-template-columns:320px 1fr 320px;align-items:center;gap:16px;height:80px;padding:0 16px;display:grid}.now-playing{align-items:center;gap:12px;min-width:0;display:flex}.np-cover{border:1px solid var(--line-2);background:var(--bg-2);width:48px;height:48px;font-family:var(--mono);color:var(--fg-2);letter-spacing:-.02em;flex:0 0 48px;justify-content:center;align-items:center;font-size:12px;display:flex}.np-meta{flex-direction:column;gap:2px;min-width:0;display:flex}.np-meta .t{color:var(--fg);white-space:nowrap;text-overflow:ellipsis;font-size:13px;overflow:hidden}.np-meta .s{font-family:var(--mono);color:var(--fg-3);text-transform:uppercase;letter-spacing:.08em;font-size:10px}.pl-center{flex-direction:column;align-items:center;gap:6px;display:flex}.pl-controls{align-items:center;gap:16px;display:flex}.pl-btn{width:28px;height:28px;color:var(--fg-2);border-radius:50%;justify-content:center;align-items:center;display:flex}.pl-btn:hover{color:var(--fg)}.pl-btn.lg{background:var(--fg);width:32px;height:32px;color:var(--bg)}.pl-btn.lg:hover{background:#fff}.pl-scrub{width:100%;max-width:560px;font-family:var(--mono);color:var(--fg-3);align-items:center;gap:10px;font-size:10px;display:flex}.scrub-track{background:var(--line-2);cursor:pointer;border-radius:1px;flex:1;height:3px;position:relative}.scrub-fill{background:var(--fg);border-radius:1px;position:absolute;top:0;bottom:0;left:0}.scrub-track:hover .scrub-fill{background:var(--accent)}.scrub-thumb{background:var(--fg);opacity:0;border-radius:50%;width:10px;height:10px;transition:opacity .12s;position:absolute;top:50%;transform:translate(-50%,-50%)}.scrub-track:hover .scrub-thumb,.scrub-track:focus .scrub-thumb{opacity:1}.pl-right{justify-content:flex-end;align-items:center;gap:14px;display:flex}.pl-right .speed{font-family:var(--mono);border:1px solid var(--line-2);color:var(--fg-2);border-radius:3px;padding:3px 8px;font-size:11px}.pl-right .speed:hover{color:var(--fg);border-color:var(--fg-3)}.vol{align-items:center;gap:8px;display:flex}.vol-track{background:var(--line-2);border-radius:1px;width:80px;height:3px;position:relative}.vol-track>div{background:var(--fg);border-radius:1px;position:absolute;top:0;bottom:0;left:0}.speed-picker{align-items:center;display:inline-flex;position:relative}.speed-pop{background:var(--bg-1);border:1px solid var(--line-2);z-index:20;border-radius:8px;min-width:100px;position:absolute;bottom:calc(100% + 8px);left:50%;overflow:hidden;transform:translate(-50%);box-shadow:0 4px 16px 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