:root{color-scheme:dark;--obsidian:#0c1015;--graphite:#11171e;--steel:#18212a;--rail:#222e39;--ink:#e5edf3;--ink-secondary:#a5b4c1;--ink-tertiary:#7f94a7;--ink-muted:#6d8294;--signal:#80cddd;--success:#88bfa8;--warning:#d1b47c;--danger:#dd9292;--rule:rgba(178,204,223,.12);--rule-soft:rgba(178,204,223,.07);--control:#0b1117;--font:"Bahnschrift","Aptos","Segoe UI",sans-serif;--mono:"Cascadia Code","Consolas",monospace;--s1:#80cddd;--s2:#b1b9e1;--s3:#d1b47c;--s4:#88bfa8;--s5:#dd9292;--s6:#acc4cf;--s7:#ccb0c9;--s8:#abc2a1}
*{box-sizing:border-box}body{margin:0;background:var(--obsidian);color:var(--ink);font:14px/1.5 var(--font)}button,input{font:inherit}button,a,input,summary{outline-offset:4px}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--signal)}button{cursor:pointer;border:1px solid var(--rule);background:var(--graphite);color:var(--ink);border-radius:4px;padding:9px 13px;transition:background .15s,border-color .15s}button:hover:not(:disabled){background:var(--steel);border-color:var(--ink-muted)}button:disabled{cursor:not-allowed;color:var(--ink-muted);background:transparent;border-color:var(--rule-soft)}a{color:var(--signal)}input{background:var(--control);border:1px solid var(--rule);color:var(--ink);border-radius:4px;padding:10px 12px;min-width:0}label{color:var(--ink-secondary);font-size:12px;display:block;margin-bottom:6px}h1,h2,h3,p{margin:0}h1{font-size:32px;line-height:1.2;font-weight:500;letter-spacing:-1px}h2{font-size:17px;font-weight:500}h3{font-size:14px;font-weight:500}.muted{color:var(--ink-secondary)}.small{font-size:12px}.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}.eyebrow{font-size:10px;font-weight:600;letter-spacing:1.5px;color:var(--ink-tertiary);text-transform:uppercase}.sidebar{width:224px;position:fixed;inset:0 auto 0 0;padding:32px 20px;border-right:1px solid var(--rule);display:flex;flex-direction:column;background:var(--obsidian);z-index:20}.brand{display:flex;align-items:center;gap:12px;font-size:17px;font-weight:600;letter-spacing:3px;line-height:1.3}.brand span:not(.brand-mark){display:block;font-size:8px;letter-spacing:1.8px;color:var(--ink-secondary);margin-top:5px}.brand-mark{width:34px;height:38px;display:grid;place-items:center;border:1px solid var(--signal);font-size:23px;font-weight:300;color:var(--signal);transform:skew(-8deg);letter-spacing:0}.edition{font:9px var(--mono);letter-spacing:1.5px;color:var(--ink-muted);margin:24px 0 32px 47px}nav{display:flex;flex-direction:column;gap:8px}nav a{display:flex;align-items:center;gap:12px;padding:11px 12px;color:var(--ink-secondary);text-decoration:none;border:1px solid transparent;border-radius:4px;font-size:13px}nav a[aria-current=page]{background:var(--graphite);color:var(--signal);border-color:var(--rule)}nav a:hover{color:var(--ink)}.nav-index{font:10px var(--mono);color:var(--ink-muted)}.sidebar-foot{margin-top:auto;border-top:1px solid var(--rule);padding-top:20px}.sidebar-foot p{font-size:15px;margin:8px 0}.sidebar-foot .muted{font-size:10px}.text-button{padding:0;border:0;background:none;color:var(--ink-secondary);font-size:12px;display:block;margin-top:20px}.workspace{margin-left:224px;min-height:100vh}.topbar{position:sticky;top:0;z-index:10;background:var(--obsidian);border-bottom:1px solid var(--rule);padding:16px 32px;display:flex;align-items:center;justify-content:space-between;gap:16px}.context-controls{display:flex;align-items:center;gap:20px}.track-switch{display:flex;gap:4px}.track-switch button{font:11px var(--mono);padding:7px 11px;border-color:transparent;background:none;color:var(--ink-muted)}.track-switch button.active{color:var(--signal);border-color:var(--rule);background:var(--graphite)}.session-menu{position:relative;font-size:12px}.session-menu summary{cursor:pointer;color:var(--ink-secondary);list-style:none}.session-menu summary::after{content:"⌄";margin-left:12px;color:var(--ink-tertiary)}.menu-list{position:absolute;top:30px;left:0;min-width:280px;background:var(--steel);border:1px solid var(--rule);padding:8px;z-index:30}.menu-list button{display:block;text-align:left;width:100%;background:none;border:0;font-size:12px}.top-status{display:flex;gap:16px;align-items:center;font-size:10px;color:var(--ink-secondary)}.top-status span{white-space:nowrap}.status-dot{display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--ink-muted);margin-right:6px}.status-dot.good{background:var(--success)}.status-dot.warn{background:var(--warning)}.status-dot.bad{background:var(--danger)}.mode-banner{min-height:30px;padding:6px 32px;background:var(--graphite);border-bottom:1px solid var(--rule-soft);font:10px var(--mono);letter-spacing:1px;color:var(--ink-tertiary)}.mode-banner.demo{color:var(--warning)}.api-alert{padding:10px 32px;background:var(--graphite);border-bottom:1px solid var(--warning);color:var(--warning);font-size:12px}main{padding:32px;max-width:1680px;margin:auto}.page-heading{display:flex;justify-content:space-between;gap:16px;align-items:flex-start;margin-bottom:28px}.page-heading p{margin-top:9px;color:var(--ink-secondary);font-size:13px}.page-heading .eyebrow{display:block;margin-bottom:8px}.page-heading .right{text-align:right}.tag{display:inline-flex;align-items:center;gap:6px;font:10px var(--mono);padding:3px 7px;border:1px solid var(--rule);border-radius:3px;color:var(--ink-secondary);white-space:nowrap}.tag.good{color:var(--success)}.tag.warn{color:var(--warning)}.tag.bad{color:var(--danger)}.tag.cyan{color:var(--signal)}.metrics{display:grid;grid-template-columns:repeat(5,1fr);border-block:1px solid var(--rule);margin-bottom:24px}.metric{padding:20px 20px 20px 0}.metric+.metric{padding-left:24px;border-left:1px solid var(--rule-soft)}.metric .value{font:26px var(--mono);letter-spacing:-1px;margin-top:8px}.metric .detail{font-size:11px;color:var(--ink-tertiary);margin-top:5px}.race-tape{display:flex;gap:8px;overflow:auto;margin:16px 0 24px;padding-bottom:4px}.race-chip{flex-shrink:0;min-width:84px;display:flex;flex-direction:column;align-items:flex-start;gap:5px;padding:10px 14px;background:transparent}.race-chip strong{font:15px var(--mono);font-weight:400}.race-chip .tiny{font:9px var(--mono);color:var(--ink-tertiary)}.race-chip.selected{border-color:var(--signal);background:var(--graphite);color:var(--signal)}.race-chip .quality-mark{height:2px;width:100%;background:var(--ink-muted)}.quality-mark.AVAILABLE{background:var(--success)}.quality-mark.PARTIAL{background:var(--warning)}.quality-mark.INVALID{background:var(--danger)}.grid-main{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:24px}.panel{border:1px solid var(--rule);border-radius:6px;background:var(--graphite);min-width:0}.panel-head{padding:18px 20px;border-bottom:1px solid var(--rule-soft);display:flex;justify-content:space-between;gap:12px;align-items:center}.panel-head .eyebrow{display:block;margin-bottom:4px}.panel-body{padding:20px}.panel-note{padding:12px 20px;font-size:11px;color:var(--ink-tertiary);border-top:1px solid var(--rule-soft)}.stack{display:flex;flex-direction:column;gap:20px}.chart{width:100%;display:block;min-height:220px}.chart .gridline{stroke:var(--rule);stroke-width:1}.chart text{fill:var(--ink-tertiary);font:10px var(--mono)}.legend{display:flex;flex-wrap:wrap;gap:8px 16px;padding:0 0 12px}.legend label{display:flex;align-items:center;gap:6px;color:var(--ink-secondary);margin:0;font:11px var(--mono)}.legend input{accent-color:var(--signal);width:13px;height:13px}.legend .swatch{width:12px;height:2px}.color-0{background:var(--s1)}.color-1{background:var(--s2)}.color-2{background:var(--s3)}.color-3{background:var(--s4)}.color-4{background:var(--s5)}.color-5{background:var(--s6)}.color-6{background:var(--s7)}.color-7{background:var(--s8)}.timeline{display:flex;gap:4px;margin:12px 0 0;align-items:end}.timeline button{flex:1;min-width:0;border-radius:2px;padding:0;height:8px;background:var(--rail);border:0}.timeline button.AVAILABLE{background:var(--success)}.timeline button.PARTIAL{background:var(--warning)}.timeline button.INVALID{background:var(--danger)}.timeline button.UNAVAILABLE{background:var(--ink-muted);height:4px}.timeline-caption{display:flex;justify-content:space-between;margin-top:8px;font:10px var(--mono);color:var(--ink-tertiary)}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;white-space:nowrap}th{text-align:left;font-size:9px;letter-spacing:1px;color:var(--ink-tertiary);font-weight:500;padding:13px 16px;background:var(--graphite)}td{padding:14px 16px;border-top:1px solid var(--rule-soft);font-size:12px}td.numeric{font:12px var(--mono);text-align:right}th.numeric{text-align:right}td.price{font:18px var(--mono);color:var(--ink)}td.horse-number{font:16px var(--mono);color:var(--signal)}td .sub{display:block;font-size:9px;color:var(--ink-muted);margin-top:4px}.positive{color:var(--success)}.negative{color:var(--warning)}.details-list{margin:0;display:grid;grid-template-columns:1fr auto;gap:14px 8px;font-size:11px}.details-list dt{color:var(--ink-tertiary)}.details-list dd{margin:0;text-align:right;font-family:var(--mono);max-width:180px;overflow-wrap:anywhere}.divider{height:1px;background:var(--rule);margin:20px 0}.event{padding:12px 0;border-top:1px solid var(--rule-soft)}.event:first-child{border:0;padding-top:0}.event time{font:10px var(--mono);color:var(--ink-muted)}.event p{font-size:11px;margin-top:5px;overflow-wrap:anywhere;color:var(--ink-secondary)}.event .event-type{color:var(--ink)}.empty{min-height:220px;display:flex;flex-direction:column;justify-content:center;align-items:center;padding:40px 24px;text-align:center;gap:12px}.empty-symbol{font:30px var(--mono);color:var(--ink-muted)}.empty p{max-width:480px;color:var(--ink-secondary);font-size:13px}.loading{padding:64px;color:var(--ink-tertiary);text-align:center}.actions{display:flex;gap:8px;flex-wrap:wrap}.admin-note{color:var(--ink-tertiary);font-size:11px;margin-top:12px}.controls{display:flex;flex-wrap:wrap;gap:12px;align-items:end;margin-bottom:20px}.controls label{margin:0}.controls input{display:block;margin-top:6px}.mode-switch{display:flex;border:1px solid var(--rule);border-radius:4px;padding:3px;gap:3px}.mode-switch button{border:0;background:none;font-size:11px;padding:8px}.mode-switch button.active{background:var(--steel);color:var(--signal)}.cutoff-input{min-width:280px;font-family:var(--mono);font-size:12px}.view-notice{border-left:2px solid var(--signal);padding:10px 16px;background:var(--graphite);margin-bottom:20px;font-size:12px;color:var(--ink-secondary)}.error-notice{border-left-color:var(--warning)}.data-details{font-size:11px;color:var(--ink-tertiary);padding:16px 20px;border-top:1px solid var(--rule-soft)}.data-details summary{cursor:pointer}.data-details p{margin-top:8px;overflow-wrap:anywhere}.history-row button{font-size:11px}.filters{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:20px}.filters input{font-size:12px}.settings-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:24px}.setting{padding:18px 0;border-bottom:1px solid var(--rule-soft);display:flex;justify-content:space-between;gap:16px;font-size:12px}.setting span:first-child{color:var(--ink-secondary)}.statusbar{padding:12px 32px;border-top:1px solid var(--rule);display:flex;justify-content:space-between;gap:16px;font:9px var(--mono);color:var(--ink-tertiary);margin-top:20px}.skip-link{position:absolute;top:-100px;z-index:50}.skip-link:focus{top:10px;left:10px;background:var(--steel);padding:10px}.login-body{min-height:100vh;display:grid;place-items:center;background:radial-gradient(ellipse at 50% 0,var(--steel),var(--obsidian) 65%)}.login-panel{width:min(460px,calc(100vw - 40px));padding:40px 28px}.login-rule{height:1px;background:var(--rule);margin:40px 0 28px}.login-panel h1{font-size:42px;letter-spacing:-1.5px;margin:12px 0 20px}.login-panel form{margin-top:32px}.login-panel input{width:100%;margin-bottom:12px}.primary-button{background:var(--signal);color:var(--obsidian);border-color:var(--signal);font-weight:500}.primary-button:hover:not(:disabled){background:var(--ink);color:var(--obsidian)}.login-panel .primary-button{width:100%;display:flex;justify-content:space-between;margin-bottom:16px}.login-note{margin-top:32px;color:var(--ink-muted);font-size:10px}#login-error{color:var(--danger);font-size:12px}.sr-only{position:absolute;width:1px;height:1px;clip:rect(0,0,0,0);overflow:hidden}
@media(max-width:1150px){.sidebar{width:190px;padding-inline:16px}.workspace{margin-left:190px}.brand{font-size:14px}.brand span:not(.brand-mark){font-size:7px}.topbar{padding-inline:24px}.top-status{gap:8px}.top-status .update-top{display:none}main{padding:24px}.grid-main{grid-template-columns:minmax(0,1fr) 240px;gap:16px}.metric{padding:16px 8px}.metric+.metric{padding-left:12px}.metric .value{font-size:21px}}@media(max-width:900px){.grid-main,.settings-grid{grid-template-columns:1fr}.stack.side{display:grid;grid-template-columns:1fr 1fr;align-items:start}.metrics{grid-template-columns:repeat(3,1fr)}.metric:nth-child(4){border-left:0;padding-left:0}.top-status .worker-top{display:none}}@media(max-width:680px){body{font-size:13px}.sidebar{inset:auto 0 0 0;width:auto;height:64px;padding:0;border-top:1px solid var(--rule);border-right:0;background:var(--obsidian)}.sidebar .brand,.edition,.sidebar-foot{display:none}.sidebar nav{flex-direction:row;justify-content:space-around;gap:0;height:100%}nav a{flex:1;padding:9px 3px;font-size:9px;justify-content:center;flex-direction:column;gap:3px;border:0;border-radius:0}nav a[aria-current=page]{border-top:2px solid var(--signal);background:var(--graphite)}.nav-index{font-size:9px}.workspace{margin-left:0;padding-bottom:64px}.topbar{padding:12px 16px;align-items:flex-start;gap:8px}.context-controls{gap:8px;flex-wrap:wrap}.track-switch button{padding:6px 10px}.session-menu{font-size:10px}.session-menu .menu-list{min-width:240px}.top-status{font-size:9px;flex-direction:column;align-items:end;gap:5px}.mode-banner{padding:8px 16px;font-size:8px;letter-spacing:.5px}.api-alert{padding-inline:16px}.page-heading{margin-bottom:20px}.page-heading h1{font-size:27px}.page-heading p{font-size:12px}.page-heading .right{display:none}main{padding:24px 16px}.metrics{grid-template-columns:repeat(2,1fr)}.metric:nth-child(3),.metric:nth-child(5){border-left:0;padding-left:0}.metric:nth-child(4){border-left:1px solid var(--rule-soft);padding-left:12px}.metric .value{font-size:23px}.race-tape{gap:6px}.race-chip{min-width:72px;padding:10px}.panel-head{padding:16px}.panel-body{padding:16px}.panel-note{padding:12px 16px}.stack.side{display:flex}.controls{align-items:stretch;gap:12px}.controls>label,.controls>.mode-switch{width:100%}.cutoff-input{min-width:0;width:100%}.controls input{width:100%}.mode-switch button{flex:1}.statusbar{padding:12px 16px;font-size:8px;flex-direction:column;gap:5px}.chart{min-height:190px}.filters input{width:100%}.setting{flex-wrap:wrap}.login-panel{padding:28px 12px}.login-panel h1{font-size:38px}}
.stack{min-width:0}.mobile-brand{display:none}.panel-head>div{min-width:0}.panel-head .eyebrow{overflow-wrap:anywhere}
@media(max-width:900px){.grid-main,.settings-grid{grid-template-columns:minmax(0,1fr)}}
@media(max-width:680px){.mobile-brand{display:block;font-size:9px;letter-spacing:1.5px;color:var(--ink-secondary);padding:10px 16px 0;background:var(--obsidian)}.topbar{top:0}.top-status{flex-shrink:0}.chart{height:auto}.workspace{max-width:100vw}.session-menu .menu-list{max-width:calc(100vw - 32px)}.panel-head{align-items:flex-start}.metrics .eyebrow{font-size:9px}.mode-banner{overflow-wrap:anywhere}}
@media(max-width:680px){.mobile-brand{position:sticky;top:0;z-index:11;height:27px}.topbar{top:27px}}
.nav-mobile{display:none}
@media(max-width:680px){.nav-label{display:none}.nav-mobile{display:inline}.context-controls{min-width:0;flex:1}.top-status{font-size:8px;max-width:132px}.top-status .worker-top,.top-status .update-top{display:block}.track-switch{gap:2px}.track-switch button{padding:5px 8px}.session-menu{font-size:9px}.panel-head{flex-wrap:wrap}}
@media(max-width:680px){.chart{min-height:0;height:auto}}
/* C.1: one sticky context stack keeps provenance visible at every scroll position. */
.persistent-header{position:sticky;top:0;z-index:15;background:var(--obsidian)}
.persistent-header .topbar,.persistent-header .mobile-brand{position:static}
.mode-banner{font:12px/1.5 var(--mono);letter-spacing:.4px;padding:10px 32px}
.mode-banner.demo{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:6px 20px;background:#232017;color:#f0d299;border-block:1px solid rgba(209,180,124,.42)}
.demo-label{font-size:14px;font-weight:600;letter-spacing:.6px}.demo-context{font-size:12px;color:#ddcda9}
.synthetic-explanation{color:var(--warning)!important;font-size:12px!important;max-width:760px}
.eyebrow{font-size:11px;letter-spacing:1px}.tag{font-size:12px;padding:4px 8px}
.small,.admin-note,.panel-note,.event p,.details-list{font-size:13px}
.metric .detail,.race-chip .tiny,td .sub,.timeline-caption,.data-details,.event time{font-size:12px}
.race-chip strong,td.horse-number{font-size:18px}.race-chip{min-width:104px}
td.price{font-size:21px}td{font-size:13px}th{font-size:11px;letter-spacing:.5px}
td .sub{max-width:320px;white-space:normal}.error-notice{border-left-color:var(--danger);color:var(--ink);line-height:1.6}
.legend label{font-size:13px}.legend input{width:16px;height:16px}.chart text{font-size:12px;fill:var(--ink-secondary)}
.topbar{align-items:center;flex-wrap:wrap}.top-status{font-size:12px;flex-wrap:wrap;gap:8px 16px;justify-content:flex-end}
.top-status span{white-space:normal}.top-status .update-top,.top-status .worker-top{display:block}
.session-menu{font-size:12px}.details-list{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
.details-list dd{max-width:none}.details-list .tag{white-space:normal;overflow-wrap:anywhere}.statusbar{font-size:11px}.panel-head .eyebrow{line-height:1.6}
@media(max-width:680px){
  .persistent-header .mobile-brand{height:auto;font-size:11px;padding:10px 16px 0;letter-spacing:1px}
  .topbar{display:flex;align-items:flex-start;gap:12px;padding:12px 16px}
  .context-controls{width:100%;flex:auto;gap:12px}.track-switch button{font-size:12px;padding:6px 10px}
  .session-menu{font-size:12px}.top-status{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));width:100%;max-width:none;font-size:11px;gap:6px 12px;align-items:start;text-align:left}
  .mode-banner{padding:10px 16px}.mode-banner.demo{gap:4px}.demo-label{font-size:13px}.demo-context{font-size:11px}
  nav a,.nav-index{font-size:11px}.metrics .eyebrow{font-size:11px}.metric .detail{font-size:12px}.panel-head{gap:8px}
  .race-chip{min-width:94px}.chart text{font-size:13px}.legend label{font-size:13px}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}
/* C.2: prominent, touch-friendly transfer actions retain the Obsidian tokens. */
.export-body{display:grid;gap:14px}.export-intro{font-size:15px;color:var(--ink)}
.export-demo{color:var(--warning);font:12px/1.6 var(--mono)}
.export-actions,.export-modes,.export-downloads{display:flex;gap:10px;flex-wrap:wrap}
.export-modes button.active{background:var(--steel);color:var(--signal);border-color:var(--signal)}
.export-button,.export-modes button{min-height:44px;font:12px/1.4 var(--mono);padding:12px 16px;white-space:normal}
.export-timestamp{display:grid;gap:8px;font-size:13px}.export-timestamp input{width:100%;max-width:520px;min-height:44px}
.export-feedback{overflow-wrap:anywhere;display:grid;gap:8px}.export-feedback p{margin:0;line-height:1.6}
.export-preview summary{cursor:pointer;font-size:13px;padding:10px 0}
.export-preview textarea{width:100%;min-height:220px;background:var(--obsidian);color:var(--ink);font:12px/1.6 var(--mono);padding:12px;border:1px solid var(--rule);resize:vertical}
@media(max-width:680px){.export-actions,.export-modes,.export-downloads{display:grid;grid-template-columns:minmax(0,1fr)}.export-button,.export-modes button{width:100%}.export-intro{font-size:14px}}