.hub-ask-ai{margin-top:28px;padding-top:24px;border-top:1px solid var(--line)}.hub-ask-ai h3{margin:0;font-size:16px}.hub-ask-ai p{margin:8px 0 0;max-width:560px;color:var(--muted);font-size:12px;line-height:1.6}.hub-ask-actions{display:flex;gap:8px;margin-top:14px}.hub-ask-actions button{border:1px solid var(--line);border-radius:9px;background:#151512;color:var(--text);padding:9px 12px;cursor:pointer}.hub-ask-actions button:hover{color:var(--y);border-color:#e7b83f66}.search{display:grid;grid-template-columns:minmax(280px,.72fr) minmax(0,1.28fr);gap:14px;align-items:center;max-width:1180px;margin:40px auto 0;text-align:left}.search-box{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px}.search input{width:100%;height:52px}.search-button{height:52px;border:1px solid #e7b83f66;border-radius:12px;background:var(--y);color:#111;padding:0 18px;font-weight:800;cursor:pointer}.search-button:hover{background:#f0c95c}.filters{margin-top:0;align-items:center}.blogcover.has-feature-image{padding:0;background:#171713}.blogcover.has-feature-image img{width:100%;height:100%;object-fit:cover}.blogcover.has-feature-image:after{content:"READ";position:absolute;left:16px;bottom:14px;padding:7px 10px;border-radius:999px;background:rgba(12,12,10,.88);border:1px solid rgba(255,255,255,.14);color:var(--y);font:700 10px 'IBM Plex Mono',monospace;letter-spacing:.08em}.playlist-library{max-width:var(--max);margin:0 auto;padding:10px 3vw 90px}.playlist-library-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:24px}.playlist-library-head h2{margin:8px 0 0;font-size:clamp(30px,4vw,48px);line-height:1.08}.playlist-library-head p{max-width:580px;margin:0;color:var(--muted);line-height:1.65}.playlist-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.playlist-grid .card{height:100%}.playlist-count{display:inline-flex;margin-top:8px;color:#77746d;font-size:11px}.article-feature-image{width:100%;aspect-ratio:16/9;object-fit:cover;border:1px solid var(--line);border-radius:16px;margin-top:30px}@media(max-width:1100px){.playlist-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:900px){.search{grid-template-columns:1fr}.filters{overflow-x:auto;flex-wrap:nowrap;padding-bottom:4px}.playlist-library-head{align-items:start;flex-direction:column}}@media(max-width:700px){.playlist-grid{grid-template-columns:1fr}}@media(max-width:520px){.search-box{grid-template-columns:1fr}.search-button{width:100%}.hub-ask-actions{flex-direction:column}.hub-ask-actions button{width:100%}}
[hidden]{display:none!important}.filters button{white-space:nowrap;flex-shrink:0}
.hub-nav{top:10px;margin:10px auto 0;width:calc(100% - 24px);max-width:1576px;border:1px solid var(--line);border-radius:22px;overflow:hidden}.hub-foot{scroll-margin-top:100px}
@media(max-width:860px){.hub-brand span{display:inline;font-size:16px}.hub-navin{min-height:66px;padding:0 12px}.hub-brand{gap:9px}.hub-brand img{width:38px;height:38px}}
@media(max-width:700px){.hub-hero{padding-top:40px;padding-bottom:28px}.hub-hero h1{font-size:clamp(26px,7vw,34px);line-height:1.15;letter-spacing:-.025em;margin-top:14px}.hub-hero>p:not(.eye){font-size:14px;line-height:1.65;margin-top:16px}.hub-ask-ai .hub-ask-actions{flex-direction:row;gap:8px}.hub-ask-ai .hub-ask-actions button{width:auto;flex:1;min-width:0;min-height:44px}}
@media(max-width:700px){
  .search .search-box{grid-template-columns:minmax(0,1fr) auto;gap:8px}
  .search-box input{min-width:0;padding:0 12px}
  .search .search-button{width:auto;padding:0 14px}
  .card .actions{flex-direction:row;flex-wrap:nowrap;gap:6px}
  .card .actions .btn{width:auto;min-width:0;white-space:nowrap;padding:10px 8px;font-size:11px;min-height:44px}
  .card .actions .btn:first-child{flex:1}
  .card .actions .btn:last-child{flex:1.7}
  .hub-foot>div{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:24px 18px;padding-top:40px;padding-bottom:40px}
  .hub-foot section:first-child{grid-column:1/-1}
  .hub-foot section:nth-child(n+2){padding:20px 0 0;min-width:0}
  .hub-foot section:nth-child(2) a{padding:8px 0;min-height:40px}
  .hub-foot section:nth-child(3) a{padding:8px;font-size:13px;min-height:40px;gap:7px}
}
@media(max-width:520px){.blogcover.original-diagram .original-thumb{font-size:8px;gap:4px}.blogcover.original-diagram .original-thumb b{padding:10px 5px}.blogcover.original-diagram{padding:14px}}
.playlist-library{padding-top:20px}.original-thumb{display:flex;align-items:center;justify-content:center;gap:7px;width:100%;font-size:clamp(8px,.85vw,12px)}.original-thumb b{padding:14px 9px;background:#1c1c1c;white-space:nowrap}.original-thumb b:nth-of-type(2){border-color:var(--y)}.blogcover.original-diagram{padding:20px}.original-thumb span{color:var(--y)}@media(max-width:700px){.original-thumb{font-size:10px}}
.playlist-cover{padding:0;background:#171713}.playlist-cover img{width:100%;height:100%;object-fit:cover}
.cover>i{left:50%;top:50%;bottom:auto;transform:translate(-50%,-50%)}.playlist-detail{max-width:850px;margin-top:42px}.playlist-detail h2{font-size:30px}.playlist-video-list{display:grid;gap:12px;padding:0;list-style:none}.playlist-video-list li a{display:flex;align-items:center;gap:16px;padding:10px;border:1px solid var(--line);border-radius:12px;background:var(--panel)}.playlist-video-list img{width:150px;aspect-ratio:16/9;object-fit:cover;border-radius:8px}.playlist-video-list span{color:var(--text);line-height:1.45}@media(max-width:600px){.playlist-video-list img{width:110px}}
.btn[href^="https://chatgpt.com/"],.hub-ask-actions button{gap:6px;align-items:center;justify-content:center}
.hub-ask-actions button{display:inline-flex}
.btn[href^="https://chatgpt.com/"]:before,.hub-ask-actions button:before{content:"";display:inline-block;width:16px;height:16px;flex:0 0 16px;background:currentColor;mask:url('/assets/icons/openai.svg') center/contain no-repeat}
.hub-ask-actions [data-hub-ai="claude"]:before{mask-image:url('/assets/icons/claude.svg');background:#d99776}
.detail .actions .btn[href^="https://chatgpt.com/"]{width:max-content;max-width:100%;align-self:flex-start;flex:none;min-height:36px;padding:7px 10px;font-size:11px;color:var(--muted);background:transparent;border-color:#ffffff14}
.playlist-detail .playlist-video-list li a{align-items:flex-start}
.playlist-video-list img{flex:0 0 auto}
.playlist-video-list .playlist-copy{min-width:0;display:block}
.playlist-copy strong{font-size:15px;line-height:1.4;font-weight:600;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden}
.playlist-copy small{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden;color:var(--muted);font-size:12px;line-height:1.5;margin-top:5px;font-weight:400}
@media(max-width:700px){.hub-hero .blog-headline{font-size:clamp(18px,5.1vw,28px);line-height:1.22;letter-spacing:-.02em}.blog-headline span{display:block;white-space:nowrap}.playlist-detail .playlist-video-list li a{gap:10px;padding:8px}.playlist-detail .playlist-video-list img{width:96px}.playlist-copy strong{font-size:13px}.playlist-copy small{font-size:11px}.filters{scrollbar-width:none}.filters::-webkit-scrollbar{display:none}}
@media(max-width:360px){.card .actions .btn[href^="https://chatgpt.com/"]{font-size:10px;padding-left:6px;padding-right:6px;gap:4px}.card .actions .btn[href^="https://chatgpt.com/"]:before{width:14px;height:14px;flex-basis:14px}}

[hidden]{display:none!important}.filters button{white-space:nowrap;flex-shrink:0}

[hidden]{display:none!important}.filters button{white-space:nowrap;flex-shrink:0}

.detail .actions{display:flex;flex-wrap:nowrap;gap:8px;align-items:center}.youtube-watch{display:inline-flex;align-items:center;gap:6px}.youtube-watch:before{content:"";width:16px;height:16px;display:inline-block;background:url("/youtube.png") center/contain no-repeat}.transcription-heading{text-decoration:underline;text-underline-offset:5px;font-size:18px;margin:26px 0 10px}
@media(max-width:520px){.detail .actions .btn{width:auto;flex:1;min-width:0;padding-left:8px;padding-right:8px;font-size:11px;white-space:nowrap}.youtube-watch:before{width:14px;height:14px}}

[hidden]{display:none!important}.filters button{white-space:nowrap;flex-shrink:0}

.detail .actions{display:flex;flex-wrap:nowrap;gap:8px;align-items:center}.youtube-watch{display:inline-flex;align-items:center;gap:6px}.youtube-watch:before{content:"";width:16px;height:16px;display:inline-block;background:url("/youtube.png") center/contain no-repeat}.transcription-heading{text-decoration:underline;text-underline-offset:5px;font-size:18px;margin:26px 0 10px}
@media(max-width:520px){.detail .actions .btn{width:auto;flex:1;min-width:0;padding-left:8px;padding-right:8px;font-size:11px;white-space:nowrap}.youtube-watch:before{width:14px;height:14px}}

[hidden]{display:none!important}.filters button{white-space:nowrap;flex-shrink:0}

.detail .actions{display:flex;flex-wrap:nowrap;gap:8px;align-items:center}.youtube-watch{display:inline-flex;align-items:center;gap:6px}.youtube-watch:before{content:"";width:16px;height:16px;display:inline-block;background:url("/youtube.png") center/contain no-repeat}.transcription-heading{text-decoration:underline;text-underline-offset:5px;font-size:18px;margin:26px 0 10px}
@media(max-width:520px){.detail .actions .btn{width:auto;flex:1;min-width:0;padding-left:8px;padding-right:8px;font-size:11px;white-space:nowrap}.youtube-watch:before{width:14px;height:14px}}

.detail .actions{flex-direction:row!important}

.hub-ask-actions button{display:inline-flex;align-items:center;justify-content:center;gap:8px}.hub-ask-actions button img{width:17px;height:17px;display:block;object-fit:contain}


/* Readable long-form YouTube transcription */
.transcript-section{margin-top:38px}
.transcript-section>h2{margin-bottom:18px}
.transcript-chapters{margin:0 0 28px;padding:18px 20px;border:1px solid var(--line);border-radius:14px;background:#11110e}
.transcript-chapters h3{margin:0 0 12px;font-size:16px;text-decoration:none}
.transcript-chapters ol{display:grid;gap:8px;margin:0;padding:0;list-style:none}
.transcript-chapters li{display:grid;grid-template-columns:72px minmax(0,1fr);gap:12px;align-items:start;padding:8px 0;border-bottom:1px solid #ffffff0d}
.transcript-chapters li:last-child{border-bottom:0}
.transcript-chapters li span{font:600 11px 'IBM Plex Mono',monospace;color:var(--y)}
.transcript-chapters li strong{font-size:14px;line-height:1.45;font-weight:600}
.transcript-copy{max-width:78ch}
.transcript-copy p{margin:0 0 16px;color:var(--text);font-size:15px;line-height:1.78}
.transcript-copy p:last-child{margin-bottom:0}

/* External SVGs use currentColor internally; force them visible on the dark footer. */
.hub-ask-actions button:before{display:none!important}
.hub-ask-actions button img{width:17px!important;height:17px!important;display:block!important;object-fit:contain!important;filter:brightness(0) invert(1);opacity:.96}
@media(max-width:700px){
  .transcript-chapters{padding:16px}
  .transcript-chapters li{grid-template-columns:62px minmax(0,1fr);gap:9px}
  .transcript-chapters li strong{font-size:13px}
  .transcript-copy p{font-size:14px;line-height:1.75;margin-bottom:14px}
}