:root[data-theme=night] .library-explorer{--card-hi:hsla(0,0%,100%,.05);--bg:#141310;--bg2:#1b1a14;--card:#1e1c16;--card2:#25231b;--ink:#ecebe2;--ink2:#a8a496;--soft:#7a766d;--line:#322f28;--line2:#3d3a31}:root[data-theme=night] .library-explorer .topbar{background:rgba(20,19,16,.86)}.library-explorer .streak-chip{display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:600;color:var(--ink);padding:6px 11px;background:var(--card)}.library-explorer .paper-row-progress,.library-explorer .streak-chip{flex:none;font-family:var(--mono);border-radius:999px;border:1px solid var(--line2)}.library-explorer .paper-row-progress{font-size:10px;font-weight:500;letter-spacing:.04em;padding:3px 8px;color:var(--ink2);background:var(--bg2);white-space:nowrap}.library-explorer .paper-row-progress.complete{color:#fff;background:var(--vision);border-color:var(--vision)}.library-explorer .cr-wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}.library-explorer .cr-card{display:grid;grid-template-columns:1fr auto;align-items:center;gap:4px 16px;margin:26px 0 4px;padding:18px 22px;border:1px solid var(--line2);border-radius:14px;background:linear-gradient(120deg,color-mix(in srgb,var(--lang) 8%,var(--card)),var(--card));text-decoration:none;transition:border-color .18s,transform .18s,box-shadow .25s}.library-explorer .cr-card:hover{border-color:var(--lang);transform:translateY(-1px);box-shadow:0 6px 22px rgba(0,0,0,.1)}.library-explorer .cr-kick{grid-column:1;font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--lang)}.library-explorer .cr-title{grid-column:1;font-family:var(--sans);font-weight:700;font-size:18px;letter-spacing:-.01em;color:var(--ink)}.library-explorer .cr-meta{grid-column:1;font-size:12.5px;color:var(--ink2)}.library-explorer .cr-arrow{grid-column:2;grid-row:1/span 3;font-size:20px;color:var(--lang)}.library-explorer{--bg:#f1ece2;--bg2:#e9e3d5;--card:#fcfaf4;--card2:#f6f1e6;--ink:#1c1a17;--ink2:#5a544a;--soft:#8c8577;--line:#e4ddcd;--line2:#d6cdb8;--found:#c2902b;--lang:#3b5bdb;--vision:#1f9d63;--gen:#d6488f;--multi:#e8902b;--agent:#e0492b;--card-hi:hsla(0,0%,100%,.6);--sans:var(--font-display-next,"Bricolage Grotesque"),system-ui,sans-serif;--mono:var(--font-mono-next,"JetBrains Mono"),monospace;--maxw:1200px;height:100vh;background:var(--bg);color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased;overflow:hidden;*{box-sizing:border-box;margin:0;padding:0}button{font-family:inherit;background:none;border:0;cursor:pointer;text-align:left}a,button{color:inherit}a{text-decoration:none}.mono{font-family:var(--mono)}::selection{background:var(--multi);color:#fff}.topbar{gap:14px;height:60px;padding:0 28px;border-bottom:1px solid var(--line);background:hsla(40,35%,92%,.86);backdrop-filter:blur(14px);position:relative;z-index:20}.brand,.topbar{display:flex;align-items:center}.brand{gap:9px;font-weight:800;font-size:17.5px;letter-spacing:-.03em;white-space:nowrap;cursor:pointer;border:0;background:none;padding:0;color:var(--ink);font-family:inherit}.topbar .topbar-spacer{flex:1}.topbar-search{display:flex;align-items:center;gap:9px;background:var(--card);border:1px solid var(--line2);border-radius:999px;padding:9px 16px;width:320px;max-width:46vw;transition:border-color .2s,box-shadow .2s}.topbar-search:focus-within{border-color:var(--ink);box-shadow:0 4px 16px rgba(28,26,23,.08)}.topbar-search input{border:0;background:none;outline:none;font-size:14.5px;color:var(--ink);width:100%;font-family:var(--sans)}.topbar-search input::placeholder{color:var(--soft)}.topbar-search svg{color:var(--soft);flex:none}.scroller{height:calc(100vh - 60px);overflow-y:auto;overflow-x:hidden}.scroller::-webkit-scrollbar{width:12px}.scroller::-webkit-scrollbar-thumb{background:var(--line2);border-radius:9px;border:3px solid var(--bg)}.land{max-width:var(--maxw);margin:0 auto;padding:46px 30px 90px}.land-foot{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:64px;padding-top:18px;border-top:1px solid var(--line)}.land-foot .mono{font-size:10px;color:var(--soft)}.land-foot-links{display:flex;gap:18px}.land-foot-links a{font-size:11.5px;color:var(--ink2);text-decoration:none}.land-foot-links a:hover{color:var(--accent,#4338ca);text-decoration:underline}.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:36px}.hero,.kick{align-items:center}.kick{font-weight:600;font-size:12.5px;letter-spacing:.04em;color:var(--ink2);text-transform:uppercase;margin-bottom:18px;display:flex;gap:10px}.kick:before{content:"";width:26px;height:2px;background:var(--gen);border-radius:2px}.hero-heading{font-size:clamp(36px,4.6vw,60px);line-height:.99;font-weight:700;letter-spacing:-.035em}.hero-heading .hero-highlight{position:relative;white-space:nowrap}.hero-heading .hero-highlight:after{content:"";position:absolute;left:0;right:0;bottom:.08em;height:.13em;background:var(--multi);border-radius:4px;z-index:-1;opacity:.45}.lead{margin-top:22px;max-width:52ch;font-size:18px;line-height:1.58}.lead,.lead-note{color:var(--ink2)}.lead-note{margin-top:14px;display:inline-flex;align-items:center;gap:9px;font-size:13.5px;background:var(--card);border:1px solid var(--line2);border-radius:999px;padding:8px 15px}.lead-note b{color:var(--ink);font-weight:600}.lead-note .lead-note-dot{width:8px;height:8px;border-radius:50%;background:var(--multi);box-shadow:0 0 0 3px color-mix(in srgb,var(--multi) 24%,transparent);flex:none}.tc-good{font-size:13px;color:var(--ink2);line-height:1.4;margin-top:6px}.hstats{display:flex;flex-wrap:wrap;margin-top:30px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.hero-stat{padding:15px 26px 15px 0;margin-right:26px;border-right:1px solid var(--line)}.hero-stat:last-child{border-right:0}.hero-stat-number{font-size:25px;font-weight:700;letter-spacing:-.02em}.hl2{font-family:var(--mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--soft);margin-top:3px}.landing-section{margin-top:50px}.section-heading{display:flex;align-items:baseline;gap:14px;margin-bottom:18px}.section-heading h2{font-size:22px;font-weight:700;letter-spacing:-.02em}.section-heading .mono{font-size:11px;color:var(--soft);letter-spacing:.04em}.courses{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.course{border:1px solid var(--line);background:var(--card);border-radius:15px;padding:18px;box-shadow:0 1px 2px rgba(28,26,23,.04);transition:border-color .2s,transform .2s,box-shadow .25s;width:100%}.course:hover{border-color:var(--c);transform:translateY(-3px);box-shadow:0 14px 32px rgba(28,26,23,.12)}.co-tag{font-family:var(--mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--c)}.co-label{font-size:16.5px;font-weight:700;letter-spacing:-.01em;margin-top:8px;line-height:1.1}.co-steps{display:flex;align-items:center;gap:5px;margin-top:14px}.co-step{font-family:var(--mono);font-size:10px;color:#fff;background:var(--c);width:22px;height:22px;border-radius:6px;display:grid;place-items:center;font-weight:500}.co-arr{color:var(--soft);font-size:10px}.famblock{margin-top:30px}.family-block-header{display:flex;align-items:center;gap:11px;padding-bottom:13px;margin-bottom:16px;border-bottom:1px solid var(--line)}.family-block-dot{width:13px;height:13px;border-radius:4px;background:var(--c);flex:none}.family-block-name{font-size:17px;font-weight:700;letter-spacing:-.01em}.family-block-blurb{color:var(--ink2);font-size:14px}.family-block-count{margin-left:auto;font-family:var(--mono);font-size:11px;color:var(--soft)}.track-card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.tcard{position:relative;border:1px solid var(--line);background:var(--card);border-radius:15px;padding:17px;overflow:hidden;box-shadow:0 1px 2px rgba(28,26,23,.04);transition:border-color .18s,transform .18s,box-shadow .25s;display:flex;flex-direction:column;width:100%;text-align:left}.tcard:before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--c);opacity:.55;transition:opacity .18s}.tcard:hover{border-color:var(--c);transform:translateY(-3px);box-shadow:0 14px 34px rgba(28,26,23,.13)}.tcard:hover:before{opacity:1}.tc-top{display:flex;align-items:center;justify-content:space-between}.track-card-number{font-family:var(--mono);font-size:13px;font-weight:500;color:var(--c)}.tc-count{font-family:var(--mono);font-size:10.5px;color:var(--soft);letter-spacing:.03em}.tc-title{font-size:16.5px;font-weight:700;letter-spacing:-.015em;line-height:1.12;margin-top:13px}.tc-tag{font-size:13px;color:var(--ink2);line-height:1.4;margin-top:6px}.tc-peek{margin-top:13px;display:flex;flex-direction:column;gap:6px;border-top:1px solid var(--line);padding-top:12px}.peek-row{display:flex;gap:9px;align-items:baseline;font-size:12.5px;color:var(--ink2);line-height:1.25}.pk-y{font-family:var(--mono);font-size:10px;color:var(--soft);flex:none;width:30px}.pk-t{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.tcard:hover .pk-t{color:var(--ink)}.pk-more{font-family:var(--mono);font-size:10px;color:var(--c);margin-top:4px;letter-spacing:.05em;text-transform:uppercase}.timeline-unlocks{margin-top:14px;display:flex;flex-direction:column;gap:14px;background:linear-gradient(180deg,color-mix(in srgb,var(--c) 8%,var(--card)),var(--card));border:1px solid var(--line);border-radius:14px;padding:18px 20px}.ul-row{display:flex;gap:12px;align-items:flex-start}.unlock-icon{color:var(--c);font-size:13px;margin-top:2px}.unlock-label{font-family:var(--mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--soft);margin-bottom:4px}.ul-good{font-size:16px;font-weight:600;letter-spacing:-.01em;color:var(--ink);line-height:1.35}.uses{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding-top:13px;border-top:1px solid var(--line)}.uses-label{font-family:var(--mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--soft);margin-right:2px}.use-chip{font-size:12.5px;font-weight:500;color:var(--ink);background:color-mix(in srgb,var(--c) 14%,var(--card));border:1px solid color-mix(in srgb,var(--c) 30%,var(--line2));padding:6px 12px;border-radius:999px}.filtchips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}.family-chip{display:inline-flex;align-items:center;gap:7px;font-weight:600;font-size:13px;color:var(--ink2);border:1px solid var(--line2);background:var(--card);padding:8px 14px;border-radius:999px;transition:all .15s}.family-chip .family-chip-dot{width:9px;height:9px;border-radius:50%;background:var(--c)}.family-chip:hover{border-color:var(--ink)}.family-chip.is-selected{background:var(--ink);color:var(--bg);border-color:var(--ink)}.family-chip.is-selected .family-chip-dot{box-shadow:0 0 0 2px hsla(0,0%,100%,.4)}.bento-grid{display:grid;grid-template-columns:repeat(6,1fr);grid-auto-rows:148px;gap:14px}.family-tile{position:relative;border-radius:20px;padding:20px;color:#fff;overflow:hidden;cursor:pointer;display:flex;flex-direction:column;justify-content:space-between;background:var(--c);box-shadow:0 10px 26px color-mix(in srgb,var(--c) 24%,transparent);transition:transform .2s,box-shadow .25s;text-align:left}.family-tile:hover{transform:translateY(-4px);box-shadow:0 20px 46px color-mix(in srgb,var(--c) 36%,transparent)}.family-tile.family-tile-large{grid-column:span 3;grid-row:span 2}.family-tile.tall{grid-column:span 2;grid-row:span 2}.family-tile.wide{grid-column:span 3}.family-tile.family-tile-small{grid-column:span 2}.family-tile .deco{position:absolute;right:-34px;bottom:-44px;width:150px;height:150px;border-radius:50%;background:hsla(0,0%,100%,.12)}.family-tile .ftop{display:flex;align-items:flex-start;justify-content:space-between;gap:10px;position:relative}.family-tile .fname{font-size:clamp(19px,2vw,28px);font-weight:700;letter-spacing:-.02em;line-height:1.02}.family-tile .fcount{font-family:var(--mono);font-size:10.5px;text-align:right;white-space:nowrap;opacity:.85;line-height:1.4}.family-tile .family-blurb{font-size:15px;line-height:1.22;opacity:.94;position:relative}.family-tile .ftracks{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px;position:relative}.family-tile .bchip{font-size:11px;font-weight:500;background:hsla(0,0%,100%,.2);padding:5px 10px;border-radius:999px}.family-tile .bento-jump-link{font-size:12.5px;font-weight:600;display:flex;align-items:center;gap:6px;margin-top:10px;position:relative}.family-tile.family-tile-small .family-blurb,.family-tile.wide .family-blurb{display:none}.timeline{position:relative;--c:var(--multi)}.timeline-band{position:absolute;top:0;left:0;right:0;height:280px;z-index:0;pointer-events:none;background:linear-gradient(180deg,color-mix(in srgb,var(--c) 13%,var(--bg)),transparent)}.timeline-inner{position:relative;z-index:1;max-width:880px;margin:0 auto;padding:30px 30px 90px}.backlink{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:13px;color:var(--ink2);border:1px solid var(--line2);background:var(--card);padding:8px 15px;border-radius:999px;box-shadow:0 1px 2px rgba(28,26,23,.04);transition:all .16s}.backlink:hover{color:var(--ink);border-color:var(--c);transform:translateX(-2px)}.timeline-family{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--c);margin-top:24px}.timeline-title-row{display:flex;align-items:flex-start;gap:20px;margin-top:10px}.timeline-number{font-size:56px;font-weight:800;letter-spacing:-.04em;line-height:.82;color:var(--c)}.timeline-title{font-size:clamp(28px,3.4vw,44px);font-weight:700;letter-spacing:-.03em;line-height:1}.timeline-tagline{font-size:17px;color:var(--ink2);margin-top:7px}.timeline-meta{display:flex;gap:20px;margin-top:18px;font-family:var(--mono);font-size:11px;letter-spacing:.04em;text-transform:uppercase;color:var(--soft)}.timeline-meta .live{color:var(--vision)}.timeline-why{margin-top:22px;background:var(--card);border:1px solid var(--line);border-left:3px solid var(--c);border-radius:14px;padding:18px 20px}.timeline-why-label{font-family:var(--mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--c);margin-bottom:8px}.timeline-why p{font-size:17px;line-height:1.62;color:var(--ink);max-width:72ch}.paper-list-label{font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--soft);margin:34px 0 4px}.prow{border-bottom:1px solid var(--line)}.paper-row-main{display:grid;grid-template-columns:58px 1fr auto auto 18px;gap:16px;align-items:center;width:100%;padding:16px 6px;transition:background .14s;border-radius:8px;cursor:pointer;text-align:left}.paper-row-main:hover{background:var(--card)}.paper-row-year{font-family:var(--mono);font-size:13px;color:var(--soft)}.paper-row-title{font-size:17.5px;font-weight:600;letter-spacing:-.01em;display:block}.paper-row-main:hover .paper-row-title{color:var(--c)}.paper-row-note{font-size:13.5px;color:var(--ink2);line-height:1.42;display:block;margin-top:3px}.paper-row-family{font-family:var(--mono);font-size:10px;letter-spacing:.06em;text-transform:uppercase;white-space:nowrap}.paper-row-status{justify-self:end}.paper-row-caret{color:var(--soft);font-size:16px;transition:transform .2s}.prow.open .paper-row-caret{transform:rotate(90deg);color:var(--c)}.paper-expand{padding:2px 6px 24px 74px;animation:explorer-expand .25s ease}@keyframes explorer-expand{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}.paper-expand-note{font-size:16.5px;line-height:1.55;color:var(--ink);max-width:66ch}.paper-expand-position{font-family:var(--mono);font-size:11px;color:var(--soft);margin-top:12px;letter-spacing:.03em}.paper-expand-flow{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}.flow{display:flex;flex-direction:column;gap:3px;border:1px solid var(--line);background:var(--card);border-radius:11px;padding:10px 14px;min-width:210px;transition:border-color .15s,transform .15s;text-align:left}.flow:hover{border-color:var(--c);transform:translateY(-2px)}.flow-card-label{font-family:var(--mono);font-size:9.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--soft)}.flow-card-title{font-size:14px;font-weight:600}.flow:hover .flow-card-title{color:var(--c)}.flow-card-year{font-family:var(--mono);font-size:10px;color:var(--soft)}.paper-expand-action-button{margin-top:16px;display:inline-flex;align-items:center;gap:8px;background:var(--c);color:#fff;font-weight:700;font-size:14px;padding:11px 18px;border-radius:10px;transition:filter .2s,transform .15s}.paper-expand-action-button:hover{filter:brightness(1.06);transform:translateY(-1px)}.paper-expand-action-button.is-disabled{background:var(--bg2);color:var(--soft);border:1px solid var(--line2);cursor:not-allowed;pointer-events:none}.paper-expand-subtext{font-family:var(--mono);font-size:10.5px;color:var(--soft);margin-top:9px}.timeline-nav{display:flex;justify-content:space-between;gap:14px;margin-top:36px}.tvn{flex:1;max-width:48%;display:flex;flex-direction:column;gap:5px;border:1px solid var(--line);background:var(--card);border-radius:13px;padding:15px 18px;transition:border-color .2s,transform .2s;text-align:left}.tvn.track-nav-card-right{align-items:flex-end;text-align:right}.tvn:hover{border-color:var(--c);transform:translateY(-2px)}.tvn-dir{font-family:var(--mono);font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:var(--soft)}.tvn-name{font-size:14px;font-weight:600;letter-spacing:-.01em}.pill{display:inline-flex;align-items:center;gap:5px;font-family:var(--mono);font-size:9.5px;font-weight:500;letter-spacing:.04em;text-transform:uppercase;padding:3px 8px;border-radius:999px;white-space:nowrap}.pill .pill-dot{width:6px;height:6px;border-radius:50%}.pill.pub{color:#1f7a4e;background:rgba(31,157,99,.13)}.pill.pub .pill-dot{background:#1f9d63}.pill.soon{color:var(--ink2);background:var(--bg2)}.pill.soon .pill-dot{background:var(--soft)}.pill.extra{color:#9a6512;background:rgba(232,144,43,.16)}.pill.extra .pill-dot{background:#e8902b}.noresult{padding:50px 6px;color:var(--soft);font-size:16px}#account{display:flex;align-items:center;gap:10px}.signin-button{font-weight:600;font-size:13.5px;color:var(--bg);background:var(--ink);padding:9px 17px;border-radius:999px;transition:filter .15s,transform .15s}.signin-button:hover{filter:brightness(1.15);transform:translateY(-1px)}.favpill{display:inline-flex;align-items:center;gap:6px;font-family:var(--mono);font-size:12px;font-weight:500;background:var(--card);border:1px solid var(--line2);padding:7px 12px;border-radius:999px}.favpill,.favpill 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