@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;450;500;550;600;650;700&family=IBM+Plex+Mono:wght@400;500&display=swap');
:root{--bg:#f7f8fa;--card:#fff;--ink:#202a38;--muted:#657181;--line:#e5e8ed;--orange:#ad491f;--pale:#fff1e8;--blue:#5779b5;--green:#2d7767;--radius:9px}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:'DM Sans',system-ui,sans-serif;font-size:14px;line-height:1.5}button,input,select,textarea{font:inherit}button,a,input,select{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default;opacity:.45}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #c98554;outline-offset:3px}svg.icon{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;vertical-align:middle;flex-shrink:0}.sidebar{position:fixed;inset:0 auto 0 0;width:236px;background:#fff;border-right:1px solid var(--line);display:flex;flex-direction:column;padding:29px 17px;z-index:10}.brand{display:flex;gap:12px;align-items:center;padding:0 10px;font-size:24px;font-weight:700;letter-spacing:-.8px}.brand small{font-size:9px;letter-spacing:1.55px;display:block;color:var(--muted);font-weight:600;margin-top:1px}.brandmark{font-size:30px;letter-spacing:-8px;padding-right:10px;color:var(--orange);font-weight:500}.brandmark span{color:#263c3e}.workspace{display:flex;align-items:center;gap:10px;margin:29px 0 28px;padding:12px 10px;border:1px solid var(--line);border-radius:7px;font-size:12px;font-weight:600}.workspace small,.profile small{display:block;font-size:11px;color:var(--muted);font-weight:400}.avatar{display:grid;place-items:center;background:#f0ede8;color:#775c42;border:1px solid #e5dfd6;border-radius:7px;width:32px;height:32px;font-size:12px;font-weight:600}.chevron{margin-left:auto;color:var(--muted)}.navlabel{font-size:10px;letter-spacing:1.6px;color:#8a919b;padding:0 13px;margin-bottom:11px;font-weight:650}nav{display:grid;gap:6px}nav button{border:0;background:transparent;border-radius:6px;text-align:left;padding:12px 13px;color:#596474;display:flex;gap:11px;align-items:center;font-size:13px;font-weight:500}nav button.active{background:var(--pale);color:#a94723}nav button:hover{background:#f5f3f0}.count{background:#ede9e4;font-size:10px;border-radius:4px;padding:1px 5px;margin-left:auto}.sidebar-bottom{margin-top:auto;padding:20px 9px 0}.note{border-top:1px solid var(--line);padding-top:20px;font-size:11px;font-weight:600}.note p{color:var(--muted);font-weight:400;font-size:12px;margin:8px 0 25px}.dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--green);margin-right:5px}.sidebar-bottom>a{display:flex;justify-content:space-between;margin:13px 0;color:var(--muted);font-size:11px}.profile{display:flex;gap:10px;align-items:center;border-top:1px solid var(--line);padding-top:19px;margin-top:25px;font-size:12px}.version{margin-left:auto;color:#9097a0;font-size:10px}.main{margin-left:236px}.topbar{height:70px;border-bottom:1px solid var(--line);background:#ffffffbd;display:flex;align-items:center;justify-content:space-between;padding:0 32px;font-size:12px;color:var(--muted)}.topbar b{font-weight:500;color:var(--ink)}.topbar span:not(.source-badge){margin:0 12px}.topright{display:flex;align-items:center;gap:18px}.source-badge{font-size:11px;background:#edf2ef;color:#426455;border:1px solid #dce7df;padding:5px 9px;border-radius:5px}.button{border:1px solid #dce0e5;background:#fff;border-radius:6px;padding:9px 13px;color:#394454;display:inline-flex;align-items:center;justify-content:center;gap:7px;font-size:12px;font-weight:550;min-height:36px;transition:background .15s}.button:hover{background:#f4f5f7}.button.primary{background:#b34e28;border-color:#b34e28;color:white}.button.primary:hover{background:#973e1d}.button.small{padding:6px 11px}.button.quiet{border:0;background:transparent;color:var(--muted)}#content{padding:30px 32px;min-height:calc(100vh - 119px)}.eyebrow{font-size:10px;letter-spacing:1.6px;color:var(--orange);font-weight:650;margin:0 0 6px}.page-head{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:26px}h1{font-size:29px;letter-spacing:-1px;font-weight:550;margin:0 0 6px}h2{font-size:15px;font-weight:600;margin:0}h3{font-size:14px;margin:0;font-weight:600}p{color:var(--muted);margin:4px 0;font-size:12px}.actions{display:flex;align-items:center;gap:8px}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:23px}.stat{padding:18px 20px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius)}.stat-label{font-size:11px;color:var(--muted);display:flex;justify-content:space-between;align-items:center}.stat-label svg{color:#9b8d7b;width:16px}.stat strong{display:block;font-size:27px;letter-spacing:-.9px;font-weight:550;line-height:1.5;margin-top:7px}.stat small{font-size:10px;color:var(--muted)}.stat small b{font-weight:500;color:var(--green)}.panel{border:1px solid var(--line);border-radius:var(--radius);background:#fff;overflow:hidden}.filter-panel{margin-bottom:21px}.filter-heading{display:flex;align-items:center;justify-content:space-between;padding:13px 17px;border-bottom:1px solid #eff0f2;font-size:12px;font-weight:600}.filter-heading>span{display:flex;align-items:center;gap:8px}.filter-body{padding:16px 17px;display:grid;grid-template-columns:1.65fr repeat(3,1fr);gap:12px}.field{display:flex;flex-direction:column;gap:6px;min-width:0}.field label{font-size:10px;font-weight:600;color:#5f6a78}.input,select,textarea{border:1px solid #dce1e7;border-radius:5px;background:#fff;color:var(--ink);padding:9px 10px;width:100%;font-size:12px;min-height:36px}select{padding-right:22px}.searchbox{position:relative}.searchbox .icon{position:absolute;left:11px;top:10px;color:#818995;width:16px}.searchbox input{padding-left:34px}.filter-bottom{padding:10px 17px;background:#fcfcfd;border-top:1px solid #eff0f2;display:flex;align-items:center;justify-content:space-between;gap:15px;font-size:10px;color:var(--muted)}.checks{display:flex;align-items:center;gap:15px}.checks label{display:flex;align-items:center;gap:5px;cursor:pointer}input[type=checkbox]{accent-color:#b1512f;width:14px;height:14px;cursor:pointer}.work-area{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:19px;align-items:start}.panel-title{padding:15px 17px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px}.subtle{font-size:10px;color:var(--muted);font-weight:400;margin-left:7px}.table-wrap{overflow:auto;max-height:530px}table{width:100%;border-collapse:collapse;text-align:left;white-space:nowrap}th{font-size:9px;color:#7b8390;font-weight:600;letter-spacing:.8px;background:#fafbfc;padding:11px 12px;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:1}td{padding:12px;border-bottom:1px solid #eff1f4;font-size:11px;max-width:230px;overflow:hidden;text-overflow:ellipsis}tr.selected{background:#fff6ed}tbody tr:hover{background:#f9f7f3}td .episode-name{display:block;max-width:230px;overflow:hidden;text-overflow:ellipsis;color:#253343;font-weight:550;border:0;padding:0;background:none;text-align:left;font-size:11px}td small{display:block;font-family:'IBM Plex Mono',monospace;font-size:9px;color:#89909a;margin-top:3px}.chip{display:inline-flex;align-items:center;font-size:9px;border:1px solid #e5e8ec;background:#f6f7f9;color:#58687a;border-radius:4px;padding:2px 6px;white-space:nowrap}.chip.green{background:#edf5f0;color:#37705a;border-color:#dfebe3}.chip.orange{background:var(--pale);color:var(--orange);border-color:#f4d9c6}.table-foot{display:flex;align-items:center;justify-content:space-between;padding:12px 15px;font-size:10px;color:var(--muted)}.table-foot .button{min-height:28px;padding:3px 8px;font-size:10px}.inspector .panel-title{font-size:11px}.video-wrap{background:#17201f;position:relative;aspect-ratio:4/3;display:grid;place-items:center}.video-wrap video{width:100%;height:100%;max-height:250px;object-fit:contain}.video-empty{color:#e0e6e1;text-align:center;padding:28px;font-size:12px}.video-label{position:absolute;top:11px;left:11px;background:#182320bd;color:white;font-size:9px;letter-spacing:1px;padding:4px 7px;border-radius:3px;pointer-events:none}.inspect-body{padding:16px}.inspect-body h3{line-height:1.5;text-transform:none;font-size:15px}.mono{font-family:'IBM Plex Mono',monospace;font-size:10px;overflow-wrap:anywhere}.inspect-id{margin:7px 0 15px;color:#8a929d}.metadata{display:grid;grid-template-columns:1fr 1fr;gap:15px 10px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:16px 0;margin:15px 0}.metadata dt{font-size:9px;color:var(--muted);margin-bottom:4px;letter-spacing:.6px}.metadata dd{font-size:11px;margin:0;overflow-wrap:anywhere}.inspect-body .button{width:100%;margin-top:15px}.description{font-size:11px;color:var(--muted);line-height:1.7}.lower-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:21px}.chart{padding:16px 18px}.bar-row{display:grid;grid-template-columns:100px 1fr 35px;gap:12px;align-items:center;margin:12px 0;font-size:10px;color:#697482}.bar-track{height:7px;background:#f1f2f5;border-radius:3px;overflow:hidden;display:flex}.bar-fill{background:#829b8c;border-radius:3px;min-width:2px;height:100%}.bar-fill.blue{background:#8a9fbd}.bar-label{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.split-callout{padding:24px;display:flex;flex-direction:column;align-items:start;justify-content:center;background:linear-gradient(100deg,#fffdfa,#fff)}.split-callout p{margin:9px 0 17px;max-width:380px;line-height:1.7}.split-preview{display:flex;height:8px;gap:4px;width:100%;margin:16px 0 12px}.train-color{background:#658a76}.valid-color{background:#c28a57}.split-preview>*{border-radius:3px}.builder-grid{display:grid;grid-template-columns:350px 1fr;gap:22px}.form-panel{padding:24px}.form-panel .field{margin:18px 0}.form-panel .checks{margin:14px 0}.info{padding:12px 14px;background:#f6f8fa;border:1px solid var(--line);border-radius:6px;color:var(--muted);font-size:11px;line-height:1.7}.info.warning{background:#fff8ed;border-color:#f0dfc2;color:#8d5a23}.big-split{padding:25px}.split-number{display:grid;grid-template-columns:1fr 1fr;margin:23px 0}.split-number strong{display:block;font-size:32px;font-weight:550}.legend{display:flex;gap:20px;font-size:11px;color:var(--muted);margin-top:12px}.legend i{display:inline-block;width:7px;height:7px;border-radius:2px;margin-right:5px}.saved-list{margin-top:24px}.saved-item{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:18px;border-top:1px solid var(--line)}.saved-item p{font-size:10px;margin-top:4px}.empty{padding:38px 20px;text-align:center;color:var(--muted);font-size:12px}.sql-layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:20px}.sql-editor{padding:20px}.sql-editor textarea{font-family:'IBM Plex Mono',monospace;min-height:180px;line-height:1.8;resize:vertical;background:#fafbfc}.schema{padding:20px}.schema .schema-row{display:flex;justify-content:space-between;gap:12px;border-bottom:1px solid #f0f1f4;padding:9px 0;font-size:10px}.source-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.source-card{padding:26px}.source-card h2{margin:15px 0 8px}.source-card p{line-height:1.8;margin-bottom:18px}.drop-zone{padding:32px;border:1px dashed #c7ced6;border-radius:8px;text-align:center;background:#fafbfc;margin:18px 0}.code{background:#f2f4f6;color:#4f5e6e;padding:14px;border-radius:6px;white-space:pre-wrap;overflow-wrap:anywhere;font:11px/1.8 'IBM Plex Mono',monospace}footer{display:flex;justify-content:space-between;padding:15px 32px;border-top:1px solid var(--line);font-size:9px;color:#8a929d}.toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);background:#263d36;color:#fff;padding:12px 20px;border-radius:7px;box-shadow:0 5px 25px #0002;font-size:12px;z-index:100;display:none;max-width:90vw}.toast.show{display:block}dialog{border:1px solid var(--line);border-radius:12px;max-width:750px;width:90%;padding:25px;box-shadow:0 20px 100px #0002}dialog::backdrop{background:#10202066}dialog pre{max-height:60vh;overflow:auto;white-space:pre-wrap;font-size:11px}dialog .button{margin-top:15px}.loading{padding:100px 20px;text-align:center;color:var(--muted)}.error{color:#a43f2f;font-size:12px;padding:12px 0}.text-link{color:var(--orange);text-decoration:underline}.toolbar{display:flex;gap:8px;margin-top:14px;align-items:center}.caption{font-size:10px;color:var(--muted);margin-top:12px}.view-toggle{display:flex;border:1px solid var(--line);border-radius:5px;padding:2px}.view-toggle button{border:0;background:none;padding:5px 8px;color:var(--muted)}.view-toggle button.active{background:#f0f2f4;color:var(--ink);border-radius:3px}.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;padding:16px}.episode-card{border:1px solid var(--line);border-radius:7px;overflow:hidden}.episode-card.selected{border-color:#c88863}.episode-card .card-thumb{height:120px;background:#eef1f0;position:relative}.card-thumb video{width:100%;height:100%;object-fit:cover}.card-thumb button{position:absolute;inset:0;width:100%;background:transparent;border:0;color:#fff;font-size:26px;text-shadow:0 1px 6px #000}.card-info{padding:12px}.card-info strong{font-size:11px;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.card-info p{font-size:10px;margin:6px 0}.hidden{display:none!important}
@media(min-width:1600px){#content{max-width:1650px;margin:auto}.work-area{grid-template-columns:minmax(0,1fr) 380px}.table-wrap{max-height:570px}.video-wrap video{max-height:285px}}@media(max-width:1200px){.sidebar{width:205px;padding:26px 12px}.main{margin-left:205px}#content{padding:25px 22px}.topbar{padding:0 22px}.work-area{grid-template-columns:minmax(0,1fr) 280px}.table-hide{display:none}.stat{padding:15px}.builder-grid{grid-template-columns:300px 1fr}}@media(max-width:980px){.sidebar{width:72px;padding:22px 10px}.brand{padding:0}.brand>span:last-child,.workspace,.navlabel,.sidebar-bottom,nav button>.count{display:none}nav{margin-top:32px}nav button{font-size:0;justify-content:center;padding:14px 6px}nav button svg{width:21px;height:21px}.main{margin-left:72px}.filter-body{grid-template-columns:repeat(2,1fr)}.builder-grid,.source-grid{grid-template-columns:1fr}.sql-layout{grid-template-columns:1fr}.schema{display:none}.page-head h1{font-size:26px}.topbar{font-size:11px}.topright{gap:8px}.source-badge{max-width:200px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}}@media(max-width:730px){.work-area{grid-template-columns:1fr}.inspector{order:-1}.inspector .video-wrap{aspect-ratio:16/9}.inspect-body .metadata{grid-template-columns:repeat(3,1fr)}.stats{grid-template-columns:repeat(2,1fr)}.stat strong{font-size:25px}.lower-grid{grid-template-columns:1fr}.topbar{height:auto;min-height:66px;padding:10px 16px;gap:10px}.topbar>div:first-child{display:none}.topright{width:100%;justify-content:space-between}.page-head{align-items:flex-start;flex-direction:column;gap:14px}#content{padding:22px 16px}.filter-bottom{align-items:start;flex-direction:column}.checks{flex-wrap:wrap}.filter-body{grid-template-columns:1fr 1fr}.filter-body>.field:first-child{grid-column:1/-1}.page-head p{max-width:350px}footer{padding:15px 16px}footer span:last-child{display:none}.table-hide{display:table-cell}.split-number strong{font-size:28px}}@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
/* Dark research workspace */
:root{color-scheme:dark;--bg:#101214;--card:#171a1e;--ink:#e3e6e9;--muted:#969da6;--line:#2a2e34;--orange:#d7ac87;--pale:#28231f;--blue:#8ba4c5;--green:#85ae98;--radius:7px}
body{background:var(--bg)}.sidebar{background:#131619}.brandmark{color:#d7ac87}.brandmark span{color:#b3bbb9}.brand small{color:#8a929c}.workspace{background:#191c20;border-color:#2a2e34}.avatar{background:#25282d;color:#c0c6cd;border-color:#343940}nav button{color:#a3aab3}nav button.active{background:#272b2f;color:#f1f2f3}nav button:hover{background:#202428}.count{background:#343a40;color:#c3c9d0}.navlabel{color:#838c98}.topbar{background:#131619}.source-badge{background:#1e2824;color:#a3b9ad;border-color:#31423a}.button{background:#20242a;border-color:#343a43;color:#d4d9df}.button:hover{background:#2a3037}.button.primary{background:#c2a082;border-color:#c2a082;color:#15181c}.button.primary:hover{background:#d3b195}.button.quiet{background:transparent;color:#a4abb4}.stat{background:var(--card)}.stat-label svg{color:#8a939e}.panel{background:var(--card)}.filter-heading{border-color:#272c32}.input,select,textarea{background:#14171a;border-color:#353b44;color:#dce0e6}.input::placeholder{color:#828b96}.field label{color:#a5adb7}.filter-bottom{background:#15181c;border-color:#272c32}.chip{background:#22272d;border-color:#363d46;color:#b2beca}.chip.green{background:#1e2c26;border-color:#30483b;color:#9fc3ae}.chip.orange{background:#30271f;border-color:#4d3b2b;color:#d1b495}th{background:#171b20;color:#97a2af;border-color:#303640}td{border-color:#262c33}tr.selected{background:#28251f}tbody tr:hover{background:#252a2f}td .episode-name{color:#e2e7ed}td small{color:#8b949f}.view-toggle{border-color:#343b44}.view-toggle button.active{background:#343b44;color:#e3e7ed}.inspect-id{color:#939da8}.bar-track{background:#292f36}.bar-fill{background:#829d8c}.split-callout{background:var(--card)}.info{background:#1b2026;border-color:#303841;color:#a9b3bf}.info.warning{background:#2a241c;border-color:#483b2a;color:#d7b998}.train-color{background:#82a590}.valid-color{background:#bb9675}.sql-editor textarea{background:#121619;color:#c7d5e2}.schema .schema-row{border-color:#2a3037}.source-card .drop-zone{background:#121619;border-color:#414a55}.code{background:#111519;color:#b1c1d2}.episode-card .card-thumb{background:#252b30}.toast{background:#d1ddd4;color:#18211d}.profile{border-color:#2b3036}.eyebrow{color:#a3aab2}.page-head h1{font-size:27px;font-weight:500;letter-spacing:-.5px}.stat strong{font-size:26px;font-weight:450}.split-callout{padding:22px}dialog{background:#181d23;color:var(--ink)}.error{color:#f0a18d}.text-link{color:#d7ac87}input[type=checkbox]{accent-color:#bd9d81}.topbar span:not(.source-badge){margin:0 8px}.video-empty p{color:#b2bdc5}
@media(min-width:981px){.filter-body{grid-template-columns:1.5fr repeat(3,1fr)}}
.applied-filter-row{display:flex;gap:7px;flex-wrap:wrap;margin:0 0 18px}.cohort-summary{margin-bottom:22px}.cohort-body{padding:18px 22px}.cohort-body strong{font-size:25px;font-weight:500}.cohort-body>div:first-child{margin-bottom:14px}.cohort-body .applied-filter-row{margin-bottom:12px}.step{display:inline-grid;place-items:center;font-size:11px;background:#29302f;border:1px solid #414e46;color:#b6cbbd;border-radius:50%;width:24px;height:24px;margin-right:9px}.inline-heading{display:inline}.advanced{margin-top:22px;border-top:1px solid var(--line);padding-top:16px}.advanced summary{cursor:pointer;color:var(--muted);font-size:12px}.review-check{display:flex;align-items:flex-start;gap:8px;margin-top:8px;line-height:1.6}.review-check input{flex-shrink:0;margin-top:3px}.bar-row{grid-template-columns:110px 1fr 80px}.builder-grid{grid-template-columns:minmax(300px,370px) minmax(0,1fr)}.cohort-body p{line-height:1.8}@media(max-width:980px){.builder-grid{grid-template-columns:1fr}}.button.primary{white-space:normal}.page-head .actions{flex-shrink:0}@media(max-width:730px){.page-head .actions{width:100%}.page-head .actions .button{width:100%}}