:root{color-scheme:dark;--background:#111716;--foreground:#edf0e6;--card:#19211e;--muted:#a0ada5;--line:#34423a;--accent:#d4e6a2;--danger:#f0b59d;--font-sans:Arial,Helvetica,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:28px}body{margin:0;background:var(--background);color:var(--foreground);font-family:Arial,Helvetica,sans-serif;font-size:14px;line-height:1.5}button,input,textarea{font:inherit}button,a,input,textarea,summary{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.45}a{color:inherit;text-decoration:none}button{color:inherit}button:focus-visible,a:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:5px}textarea:focus,input:focus{outline:2px solid var(--accent);outline-offset:2px}::selection{color:#172018;background:#d4e6a2}h1,h2,h3,p{margin:0}button svg{flex-shrink:0}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;top:8px;left:16px;z-index:20;padding:10px 18px;background:var(--accent);color:#172018;transform:translateY(-150%)}.skip-link:focus{transform:translateY(0)}
.learning-app{min-height:100vh;background:radial-gradient(ellipse at 75% 0%,#25352855,transparent 49%)}.site-header{height:88px;max-width:1264px;margin:auto;padding:0 32px;display:flex;align-items:center;gap:44px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;white-space:nowrap}.brand strong{font-size:15px;letter-spacing:1.5px}.brand strong span{font-size:11px;font-weight:400;letter-spacing:1.6px;color:var(--muted)}.brand-mark{display:flex;gap:3px;align-items:center;transform:skewY(-20deg)}.brand-mark i{width:4px;height:21px;background:var(--accent)}.brand-mark i:nth-child(2){height:15px}.brand-mark i:nth-child(3){height:9px}.site-header nav{display:flex;align-self:stretch;gap:28px;font-size:13px;color:var(--muted)}.site-header nav a{position:relative;display:flex;align-items:center}.site-header nav a:hover{color:var(--foreground)}.site-header nav .nav-current{color:var(--foreground)}.nav-current:after{content:"";position:absolute;bottom:-1px;left:0;right:0;height:2px;background:var(--accent)}.private-badge{margin-left:auto;display:flex;gap:7px;align-items:center;color:#bec9bc;font:10px monospace;letter-spacing:.5px;border:1px solid var(--line);border-radius:30px;padding:7px 12px}.private-badge i,.small-status-dot{display:inline-block;height:5px;width:5px;border-radius:100%;background:#a7bb87;flex-shrink:0}.main-content{max-width:1264px;padding:0 32px;margin:auto}.intro{display:flex;align-items:flex-end;justify-content:space-between;gap:50px;padding:62px 0 42px}.eyebrow,.small-caps{font:10px monospace;font-weight:600;letter-spacing:1.6px}.eyebrow{display:flex;align-items:center;gap:9px;color:var(--accent);margin-bottom:19px}.eyebrow i{height:5px;width:5px;background:currentColor}.intro h1{font-size:clamp(32px,3.9vw,53px);line-height:1.08;letter-spacing:-2.2px;font-weight:600}.intro h1 span{color:#a7b69f}.intro>div>p{max-width:570px;color:var(--muted);font-size:14px;line-height:1.75;margin-top:21px}.intro-note{border-left:1px solid var(--line);padding-left:25px;min-width:260px;margin-bottom:2px}.intro-note>span{font:9px monospace;letter-spacing:1.5px;color:var(--muted)}.flow-mini{display:flex;align-items:center;gap:9px;font-size:11px;color:#d1d9c7;margin:13px 0}.flow-mini i{display:block;width:20px;height:1px;background:#677761;position:relative}.flow-mini i:after{content:"";position:absolute;right:0;top:-2px;width:5px;height:5px;border-right:1px solid #677761;border-top:1px solid #677761;transform:rotate(45deg)}.intro-note p{font-size:11px;color:#7f9086;line-height:1.8}
.top-grid{display:grid;grid-template-columns:minmax(0,1.85fr) minmax(290px,1fr);gap:22px}.import-card,.operation-card{border:1px solid var(--line);border-radius:14px;background:var(--card)}.import-card{padding:29px 30px}.section-heading{display:flex;align-items:flex-start;gap:14px;margin-bottom:28px}.heading-number{font:10px monospace;color:#d4e6a2;background:#d4e6a210;border:1px solid #d4e6a225;padding:6px 7px;border-radius:5px}.section-heading h2{font-size:20px;font-weight:500;letter-spacing:-.5px;line-height:1.3}.section-heading p{font-size:12px;color:var(--muted);margin-top:6px}form>label{display:block;font-size:11px;color:#c4cdc3;margin-bottom:9px}textarea{display:block;width:100%;min-height:160px;resize:vertical;border:1px solid #3d4a40;border-radius:7px 7px 0 0;background:#111814;color:#e2e9d9;padding:17px 18px;font:12px/1.85 monospace;transition:border-color .15s}textarea::placeholder{color:#617364}textarea:focus{border-color:#8fa47a}.textarea-footer{display:flex;align-items:center;justify-content:space-between;border:1px solid #3d4a40;border-top:0;border-radius:0 0 7px 7px;padding:11px 15px;background:#141c17;color:#88988b;font-size:10px}.file-button{display:flex;align-items:center;gap:8px;background:transparent;border:0;padding:0;color:#b4c0ac;font-size:11px}.file-button:hover{color:var(--accent)}.invalid-count{color:var(--danger)}.import-bottom{display:flex;align-items:center;justify-content:space-between;gap:26px;margin-top:21px}.import-bottom p{font-size:10px;line-height:1.7;color:#8c9e8f;max-width:290px}.import-bottom strong{font-weight:500;color:#bac7af}.primary-button{display:flex;align-items:center;justify-content:center;gap:17px;white-space:nowrap;background:var(--accent);color:#192315;border:1px solid var(--accent);border-radius:6px;padding:13px 16px;font-size:12px;font-weight:600}.primary-button:not(:disabled):hover{background:#e5f2bb}.notice{display:flex;align-items:center;gap:10px;border:1px solid var(--line);border-radius:7px;padding:13px 15px;margin:15px 0;font-size:12px;line-height:1.6}.notice>span{flex:1;overflow-wrap:anywhere}.notice-error{border-color:#b47e5c66;background:#4a2d202b;color:var(--danger)}.notice-success{background:#b0d68b10;color:#cbdfb4}.notice .text-button{white-space:nowrap}.icon-button{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border:1px solid var(--line);border-radius:5px;background:transparent;color:#9baa9d;flex-shrink:0}.icon-button:hover{color:var(--accent);border-color:#69795f}.text-button{background:transparent;border:0;padding:0;color:var(--accent);font-size:11px;text-decoration:underline;text-underline-offset:4px}.invalid-details,.readiness-details{font-size:11px;color:var(--muted);margin-top:15px}.invalid-details summary,.readiness-details summary{cursor:pointer}.invalid-details ul,.readiness-details ul{padding-left:18px;margin:10px 0}.invalid-details li{padding:7px 0;overflow-wrap:anywhere}.invalid-details code{display:block;color:var(--danger)}
.operation-card{padding:25px 27px;background:linear-gradient(145deg,#233027,#1a231e)}.operation-title{display:flex;justify-content:space-between;align-items:center;gap:10px;color:#bac7af}.live-state{font-size:9px;display:flex;align-items:center;gap:5px;color:#a8b4a3}.live-state i{width:5px;height:5px;border-radius:100%;background:#899483}.live-state.connected{color:var(--accent)}.live-state.connected i{background:var(--accent)}.reader-symbol{position:relative;width:53px;height:53px;margin:29px 0 21px;border:1px solid #9bac6f55;border-radius:12px;display:grid;place-items:center;background:#c2dc7d0b}.reader-square{display:flex;align-items:center;gap:4px}.reader-square i{display:block;width:3px;height:15px;background:#b7cb8e;border-radius:1px}.reader-square i:nth-child(2){height:24px}.orbit-dot{position:absolute;right:-3px;top:8px;width:5px;height:5px;background:#9baa6f;border-radius:50%;box-shadow:0 0 0 4px #243127}.operation-card h2{font-size:20px;letter-spacing:-.6px;line-height:1.2;max-width:260px;font-weight:500}.operation-card>p{font-size:11px;line-height:1.8;color:#a0b09d;margin-top:13px;max-width:320px}.reader-details{margin-top:22px}.reader-details>div{display:flex;justify-content:space-between;padding:9px 0;border-bottom:1px solid #ffffff0b;font-size:11px;color:#a5b39f}.reader-details strong{font:13px monospace;color:#d7e2c5}.operation-foot{display:flex;align-items:center;gap:8px;margin-top:20px;padding-top:15px;border-top:1px solid #ffffff12;font-size:9px;color:#95a68d}.worker-list{font-size:10px;margin-top:15px;color:#b7c7aa}.worker-list>div{display:flex;justify-content:space-between;gap:10px}
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.detail-panel{margin-top:28px;padding:24px;border:1px solid #73885b66;border-radius:10px;background:#1a241c;overflow-wrap:anywhere}.detail-heading{display:flex;justify-content:space-between;gap:15px;align-items:center}.detail-heading .small-caps{font-size:9px;color:#8fa47f}.detail-heading h2{font-size:22px;font-weight:500;margin-top:8px}.detail-url{display:inline-block;color:#829d7b;font-size:11px;margin-top:12px}.detail-counts{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:24px 0;border-top:1px solid var(--line);padding-top:20px}.detail-counts strong{display:block;font-size:23px;font-weight:400}.detail-counts span{color:#8fa18a;font-size:10px}.detail-panel h3{font-size:12px;font-weight:500;margin:20px 0 10px}.detail-items,.detail-jobs{list-style:none;padding:0;margin:0}.detail-items li{display:flex;gap:12px;border-bottom:1px solid var(--line);padding:12px 0;font-size:12px}.detail-items li>span{font:11px monospace;color:#91a67d;width:25px;flex-shrink:0}.detail-items p,.detail-jobs p{font-size:10px;color:#849c7f;margin-top:5px}.detail-items a:hover{text-decoration:underline}.detail-empty{font-size:12px;color:#98ac8f}.detail-jobs li{padding:10px 0;border-top:1px solid #ffffff09;font-size:10px}.detail-jobs li>div{display:flex;justify-content:space-between}.detail-jobs strong{font-weight:400;color:#a2b591}.detail-footnote{margin-top:24px;font-size:10px;color:#819876}
.knowledge-section{margin-top:58px;padding:31px 0 0;border-top:1px solid var(--line)}.knowledge-intro{display:flex;gap:17px;align-items:flex-start}.knowledge-icon{color:#b1c195;border:1px solid var(--line);border-radius:9px;padding:12px;display:flex;margin-top:3px}.knowledge-intro p{max-width:610px;font-size:11px;line-height:1.8;color:#91a28a;margin-top:10px}.knowledge-empty{margin:24px 0 22px;border:1px dashed #3b4b39;border-radius:8px;padding:20px 24px;display:flex;align-items:center;justify-content:space-between;gap:25px}.knowledge-empty>span{color:#bccbb1;font-size:12px;white-space:nowrap}.knowledge-empty p{color:#758e73;font-size:10px;max-width:420px}.knowledge-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px;margin:25px 0}.knowledge-list article{padding:20px;border:1px solid var(--line);border-radius:8px;background:#1a231b}.knowledge-list article>span{font-size:8px;color:#a8be8f}.knowledge-list h3{font-size:17px;font-weight:500;margin:12px 0}.knowledge-list p{font-size:12px;color:#99ac90;white-space:pre-wrap;overflow-wrap:anywhere}.knowledge-list small{display:block;margin-top:15px;color:#708a6c;font:9px monospace}.pipeline{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:7px;overflow:hidden}.pipeline>div{padding:17px 20px;border-right:1px solid var(--line)}.pipeline>div:last-child{border:0}.pipeline span{display:flex;align-items:center;gap:9px;font-size:10px;color:#a2b496}.pipeline span i{font:8px monospace;font-style:normal;color:#6f8869}.pipeline strong{display:block;font:18px monospace;color:#c7d6b7;margin-top:10px}.site-footer{display:flex;justify-content:space-between;align-items:center;gap:20px;color:#64805f;border-top:1px solid var(--line);margin-top:50px;padding:24px 0 30px;font-size:9px}.site-footer>span{font:9px monospace;letter-spacing:.4px}.site-footer i{font-style:normal;margin:0 5px;color:#91a77a}
@media(min-width:1500px){.site-header,.main-content{max-width:1360px}.intro{padding-top:70px;padding-bottom:48px}.import-card{padding:32px 35px}textarea{min-height:185px}.operation-card{padding:29px 32px}}
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@media(max-width:700px){.site-header{height:72px;padding:0 20px;gap:20px}.brand strong span{display:none}.site-header nav{gap:17px;font-size:11px}.private-badge{font-size:8px;padding:5px 8px}.main-content{padding:0 20px}.intro{padding:37px 0 30px}.intro h1{font-size:38px;letter-spacing:-1.6px}.intro>div>p{font-size:12px;max-width:500px}.top-grid{grid-template-columns:1fr}.import-card{padding:24px 20px}.section-heading{margin-bottom:24px}.import-bottom{display:flex;gap:20px}.import-bottom p{max-width:260px}.primary-button{width:auto;margin:0}.operation-card{display:grid;grid-template-columns:54px minmax(0,1fr);column-gap:16px;padding:23px}.operation-title{grid-column:1/-1;margin-bottom:22px}.reader-symbol{grid-column:1;grid-row:2/4;margin:0}.operation-card h2,.operation-card>p{grid-column:2;max-width:none}.operation-card h2{font-size:20px}.operation-card>p{margin-top:8px}.reader-details,.operation-foot,.worker-list,.readiness-details{grid-column:1/-1}.reader-details{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:20px}.reader-details>div{display:block;border:0;font-size:9px}.reader-details strong{display:block;margin-top:5px}.operation-foot{margin-top:14px}.metrics-row{grid-template-columns:repeat(2,1fr);gap:24px 0;margin:30px 0 34px;padding-bottom:26px}.metrics-row>div{padding:0 19px!important}.metrics-row>div:nth-child(odd){padding-left:0!important}.metrics-row>div:nth-child(even){border:0}.metrics-row strong{font-size:28px}.library-heading h2,.knowledge-section h2{font-size:22px}.refresh-button{padding:8px}.refresh-button span{display:none}.library-tools{align-items:flex-start;flex-direction:column;margin-top:20px;gap:12px}.filter-tabs{gap:0}.filter-tabs button{padding:7px 10px;font-size:10px}.search-field{width:100%}.search-field input{width:100%}.table-header{display:none}.source-row{grid-template-columns:minmax(0,1fr) 92px;padding:18px 0;gap:14px}.source-identity{grid-column:1;grid-row:1}.source-state{grid-column:2;grid-row:1}.source-state small{max-width:92px}.source-coverage{grid-column:1;grid-row:2;padding-left:43px}.source-coverage small{display:inline;margin-left:8px}.source-actions{grid-column:2;grid-row:2;justify-content:space-between}.source-identity a{max-width:230px}.library-foot{font-size:8px;gap:12px}.library-foot>span:last-child{max-width:130px;text-align:right}.knowledge-section{margin-top:37px;padding-top:27px}.knowledge-intro{gap:12px}.knowledge-icon{padding:10px}.knowledge-empty{padding:18px}.knowledge-empty>span{white-space:normal}.knowledge-list{grid-template-columns:1fr}.pipeline>div{padding:14px 10px}.pipeline span{font-size:9px;gap:5px}.pipeline span i{display:none}.pipeline strong{font-size:16px}.site-footer{align-items:flex-start;flex-direction:column;gap:7px;margin-top:34px;padding:21px 0}.detail-panel{padding:20px}.notice{font-size:11px}.notice .text-button{white-space:normal;min-width:65px}.detail-counts{gap:10px}}
@media(max-width:430px){.site-header{padding:0 16px;gap:16px}.site-header nav{gap:13px}.private-badge{font-size:0;gap:0;border:0;padding:0}.private-badge i{height:6px;width:6px}.main-content{padding:0 16px}.intro h1{font-size:34px}.import-card{padding:22px 17px}.import-bottom{display:block}.primary-button{width:100%;margin-top:18px}.section-heading h2{font-size:19px}.section-heading p{font-size:11px}.operation-card{padding:21px 18px}.source-identity a{max-width:185px}.source-coverage small{display:block;margin-left:0}.reader-details{gap:10px}.library-heading h2{max-width:230px;line-height:1.25}}
.worker-setup{grid-column:1/-1;margin-top:20px}.worker-setup h3{font-size:15px;font-weight:500;letter-spacing:-.3px}.worker-setup p{font-size:11px;line-height:1.8;color:#a0b09d;margin:10px 0}.worker-setup .primary-button{width:100%;font-size:11px;margin-top:14px}.worker-setup details{font-size:10px;color:#a2b496;margin-top:12px}.worker-setup .notice{padding:10px;font-size:10px}.worker-setup ol,.worker-setup ul{padding-left:18px;font-size:10px;line-height:1.8;color:#8fa18a}.worker-setup button{max-width:100%;white-space:normal}.worker-setup .reader-details{margin-top:14px}.worker-setup .reader-details>div{align-items:flex-start;gap:12px}.worker-setup .reader-details strong{font:10px Arial,sans-serif;text-align:right}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}