:root {
  --bg: #0f1115; --panel: #171a21; --panel2: #1e222b; --line: #2a2f3a;
  --fg: #e6e8ec; --muted: #9aa3b2; --accent: #5aa9e6; --good: #4ec9a4;
  --warn: #e0c060; --bad: #e06c6c; --think: #7d8bd4;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg);
  font: 14px/1.5 ui-sans-serif, system-ui, -apple-system, sans-serif; }
header { display: flex; gap: 12px; align-items: baseline; padding: 10px 16px;
  border-bottom: 1px solid var(--line); position: sticky; top: 0; background: var(--bg); z-index: 5; }
#brand { font-weight: 700; color: var(--accent); cursor: pointer; }
#crumb { color: var(--muted); }
#goup { margin-left: auto; padding: 3px 10px; border: 1px solid var(--line); border-radius: 8px;
  background: var(--panel2); color: var(--muted); cursor: pointer; font: inherit; font-size: 12px; }
#goup:hover { color: var(--accent); }
main { padding: 16px; max-width: 1100px; margin: 0 auto; }
a { color: var(--accent); text-decoration: none; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 14px; }
.card.click { cursor: pointer; } .card.click:hover { border-color: var(--accent); }
.card h3 { margin: 0 0 6px; font-size: 15px; }
.kpisection { margin: 14px 0; }
.kpih { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .05em; margin-bottom: 4px; }
.metrics td.mlabel { color: var(--muted); width: 200px; white-space: nowrap; }
.muted { color: var(--muted); }
.badge { padding: 1px 8px; border-radius: 999px; font-size: 12px; border: 1px solid var(--line); }
.b-good { color: var(--good); border-color: var(--good); }
.b-bad { color: var(--bad); border-color: var(--bad); }
.b-warn { color: var(--warn); border-color: var(--warn); }

h2 { border-bottom: 1px solid var(--line); padding-bottom: 6px; margin-top: 28px; }
.bar { height: 14px; background: var(--accent); border-radius: 3px; }
.barrow { display: grid; grid-template-columns: 160px 1fr 46px; gap: 8px; align-items: center; margin: 3px 0; }
.barrow .n { color: var(--muted); font-size: 12px; text-align: right; }

.turn { border: 1px solid var(--line); border-radius: 10px; margin: 12px 0; background: var(--panel); }
.turn .head { display: flex; gap: 10px; padding: 6px 12px; border-bottom: 1px solid var(--line);
  color: var(--muted); font-size: 12px; }
.turn .body { padding: 10px 12px; }
pre { white-space: pre-wrap; word-break: break-word; margin: 6px 0; font-size: 13px; }
.text { color: var(--fg); }
details.think { margin: 6px 0; } details.think summary { color: var(--think); cursor: pointer; font-size: 13px; }
details.think pre { color: var(--think); opacity: .85; }
.tool { border: 1px solid var(--line); border-radius: 8px; margin: 8px 0; background: var(--panel2); }
.tool.submit { border: 2px solid var(--accent); }          /* a solution submission */
.tool.submit-win { border: 2px solid var(--good); }        /* submission that cleared a level */
.tool.cheat { border: 2px solid var(--bad); }              /* flagged: reached for a forbidden path/module */
.tag { font-size: 11px; font-weight: 700; padding: 1px 7px; border-radius: 999px; color: #0b0d11; }
.tag-submit { background: var(--accent); }
.tag-submit_win { background: var(--good); }
.tag-cheat { background: var(--bad); color: #fff; }
.tool.cwm-model { border: 2px solid #4ec9a4; }
.tool.cwm-plan { border: 2px solid #b589f6; }
.tool.cwm-explore { border: 2px solid #55aaff; }
.tag-cwm-model { background: #4ec9a4; }
.tag-cwm-plan { background: #b589f6; }
.tag-cwm-explore { background: #55aaff; }
.tool-success { float: right; color: var(--good); font-weight: bold; margin-left: 8px; }

/* conversation: left jump-nav (submissions + cheats) beside the transcript */
.convlayout { display: flex; gap: 16px; align-items: flex-start; }
.convnav { width: 235px; flex: 0 0 auto; position: sticky; top: 64px; max-height: 82vh; overflow: auto;
  border: 1px solid var(--line); border-radius: 8px; background: var(--panel); padding: 8px; }
.convnav .h { color: var(--muted); font-size: 12px; padding: 4px 6px 6px; }
.conv { flex: 1 1 auto; min-width: 0; }
.navitem { display: flex; align-items: center; gap: 8px; padding: 4px 8px; margin: 2px 0; border-radius: 6px; font-size: 13px;
  cursor: pointer; border-left: 3px solid var(--line); color: var(--fg); }
.navitem:hover { background: var(--panel2); }
.navitem.nav-submit { border-left-color: var(--accent); }
.navitem.nav-submit_win { border-left-color: var(--good); }
.navitem.nav-cheat { border-left-color: var(--bad); }
.navitem.nav-cwm-model { border-left-color: #4ec9a4; }
.navitem.nav-cwm-plan { border-left-color: #b589f6; }
.navitem.nav-cwm-explore { border-left-color: #55aaff; }
.navitem .nav-label { min-width: 0; overflow-wrap: anywhere; }
.navitem .tool-success { float: none; flex-shrink: 0; margin-left: auto; }
.tool .t { padding: 6px 10px; font-family: ui-monospace, monospace; font-size: 13px; }
.tool .t b { color: var(--accent); }
/* Long call args scroll in place, same as a long result body (no "…" truncation). */
.tool .t pre.args { font-size: 12px; color: var(--muted); max-height: 220px; overflow: auto; margin: 6px 0 0; }
.tool .t .argnotes { font-size: 11px; margin-top: 4px; white-space: pre-wrap; }
.tool .t .args-path { font-size: 12px; }
.tool .res { padding: 6px 10px; border-top: 1px dashed var(--line); }
.tool .res.err { color: var(--bad); }
.tool .res pre { font-size: 12px; color: var(--muted); max-height: 220px; overflow: auto; }
/* files extracted from a heredoc'd command: a collapsed block per written file */
.tool .filedrop { margin: 0 10px 8px; }
.tool .filedrop summary { cursor: pointer; color: var(--accent); font-size: 12px; font-family: ui-monospace, monospace; padding: 2px 0; }
.tool .filedrop summary:hover { text-decoration: underline; }
.tool .filedrop pre.filebody { font-family: ui-monospace, monospace; font-size: 12px; background: var(--panel2);
  border: 1px solid var(--line); border-radius: 6px; padding: 8px 10px; max-height: 360px; overflow: auto; margin: 4px 0 0; }
table { width: 100%; border-collapse: collapse; font-size: 13px; margin: 8px 0; }
th, td { border: 1px solid var(--line); padding: 4px 8px; text-align: left; }
th { color: var(--muted); }
video { width: 100%; max-width: 420px; border: 1px solid var(--line); border-radius: 8px; }
.sub { border: 1px solid var(--line); border-radius: 10px; padding: 12px; margin: 10px 0; background: var(--panel); }

/* per-game tabs */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin-bottom: 16px; }
.tab { padding: 8px 14px; color: var(--muted); border: 1px solid transparent;
  border-bottom: none; border-radius: 8px 8px 0 0; }
.tab:hover { color: var(--fg); }
.tab.on { color: var(--fg); background: var(--panel); border-color: var(--line); }

/* artifacts: file list + viewer */
.split { display: grid; grid-template-columns: 240px 1fr; gap: 12px; align-items: start; }
.filelist { border: 1px solid var(--line); border-radius: 8px; background: var(--panel); overflow: hidden; }
.filelist .h { padding: 8px 10px; color: var(--muted); border-bottom: 1px solid var(--line); }
.fileitem { padding: 6px 10px; cursor: pointer; font-family: ui-monospace, monospace; font-size: 12px; }
.fileitem:hover { background: var(--panel2); }
.fileitem.on { background: var(--panel2); color: var(--accent); }
.fileitem.treedir { color: var(--muted); }
.fileview { border: 1px solid var(--line); border-radius: 8px; padding: 12px; background: var(--panel); min-height: 120px; }
pre.code { font-family: ui-monospace, monospace; font-size: 12px; background: var(--panel2);
  padding: 10px; border-radius: 8px; max-height: 70vh; overflow: auto; }

/* logs */
.bad { color: var(--bad); }
pre.err { color: var(--bad); font-size: 12px; margin: 4px 0; }
tr.err td { color: var(--bad); }

/* top-level panels (Experiments | Graphs) + experiment sections on the dashboard */
.panelnav { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin-bottom: 16px; }
.panel { padding: 8px 16px; color: var(--muted); border: 1px solid transparent;
  border-bottom: none; border-radius: 8px 8px 0 0; font-weight: 600; }
.panel:hover { color: var(--fg); }
.panel.on { color: var(--fg); background: var(--panel); border-color: var(--line); }
h2.expsection { margin-top: 22px; font-size: 15px; }
.tree { margin: 10px 0; font-family: ui-monospace, monospace; font-size: 13px; }
.tnode { padding: 2px 0; }
.tlink { cursor: pointer; }
.tlink:hover { color: var(--accent); }
.trun { color: var(--fg); }

/* graphs panel: charts (left) + metric checklist (right), agg selector on top */
.aggbar { display: flex; align-items: center; gap: 6px; margin-bottom: 12px; }
.aggbtn { background: var(--panel2); color: var(--muted); border: 1px solid var(--line);
  border-radius: 6px; padding: 4px 10px; cursor: pointer; font: inherit; }
.aggbtn:hover { color: var(--fg); }
.aggbtn.on { color: #0b0d11; background: var(--accent); border-color: var(--accent); font-weight: 700; }
.graphlayout { display: grid; grid-template-columns: 190px 1fr; gap: 16px; align-items: start; }
.charts { min-width: 0; }
.gsidebar { display: flex; flex-direction: column; gap: 12px; position: sticky; top: 64px; }
.controls { border: 1px solid var(--line); border-radius: 8px; background: var(--panel);
  padding: 10px; }
.controls .h { color: var(--muted); font-size: 12px; margin-bottom: 6px; }
.ctl { display: flex; align-items: center; gap: 6px; padding: 3px 2px; font-size: 13px; cursor: pointer; }
.ctl .ctltext { min-width: 0; overflow-wrap: anywhere; }  /* long metric names wrap */
.chartcard { border: 1px solid var(--line); border-radius: 10px; background: var(--panel);
  padding: 10px 12px; margin: 12px 0; }
.chartcard h3 { margin: 0 0 6px; font-size: 14px; }
.chartscroll { overflow-x: auto; flex: 0 1 auto; min-width: 0; }
.chartbody { display: flex; gap: 12px; align-items: flex-start; }
.chartlegend { flex: none; width: 190px; max-height: 250px; overflow-y: auto; font-size: 12px;
  color: var(--muted); padding-left: 4px; scrollbar-width: thin; scrollbar-color: var(--line) transparent; }
.chartlegend .leg { display: flex; align-items: flex-start; margin-bottom: 4px; overflow-wrap: anywhere; }
.chartlegend .sw { flex: none; margin-top: 2px; }
.chartlegend .leg { cursor: pointer; }
.chartlegend .leg:hover, .chartlegend .leg.on { color: var(--fg); }
.chartlegend .leg.on { font-weight: 700; }
.chartlegend .leg.off { text-decoration: line-through; opacity: .55; }
main:has(.graphs) { max-width: none; }
.chart { display: block; }
.chart .gridline { stroke: var(--line); stroke-width: 1; }
.chart text.ylab, .chart text.xlab { fill: var(--muted); font-size: 11px; }
.chart text.avglab { fill: var(--fg); font-weight: 700; }   /* the "Averaged" column label */

/* "who fights who": agent + model -> task / problem */
.matchup { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; margin: 2px 0 16px; }
.matchup .matcharrow line { stroke: var(--muted); stroke-width: 2; }
.matchup .matcharrow polygon { fill: var(--muted); }
.avm { display: flex; align-items: center; gap: 12px; }
.avm .mplus { font-size: 20px; color: var(--muted); }
.modelblock, .agentblock { display: flex; flex-direction: column; align-items: center; gap: 2px; }
.modelblock .mname, .agentblock .aname { font-size: 12px; color: var(--fg); max-width: 130px; text-align: center; word-break: break-word; }
.modelblock .mparams { font-size: 11px; color: var(--muted); }
.exphead { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.exphead .exptitle { font-weight: 600; }
.cardhead { display: flex; align-items: center; gap: 8px; }
.cardhead h3 { margin: 0; }
.vicon { border-radius: 6px; object-fit: contain; }
.ibadge { display: inline-flex; align-items: center; justify-content: center; border-radius: 8px;
  background: var(--panel2); border: 1px solid var(--line); color: var(--fg); font-weight: 700; }
.taskthumb { border: 1px solid var(--line); border-radius: 6px; image-rendering: pixelated; }
.problembox { display: inline-flex; flex-wrap: wrap; gap: 4px; padding: 5px; margin-bottom: 14px;
  border: 2px solid var(--good); border-radius: 8px; }
.problembox .taskthumb { image-rendering: pixelated; }
.legend { display: flex; flex-wrap: wrap; gap: 12px; margin: 6px 0; font-size: 12px; color: var(--muted); }
.leg { display: inline-flex; align-items: center; }
.sw { display: inline-block; width: 11px; height: 11px; border-radius: 3px; margin-right: 5px; vertical-align: middle; }
.gnote { margin-bottom: 10px; }

/* graphs: control bar (aggregate + error bars + mask), interactive legend, error bars */
.controlbar { display: flex; flex-wrap: wrap; gap: 18px; align-items: center; margin-bottom: 12px; }
.seg { display: inline-flex; align-items: center; gap: 6px; }
.maskctl { display: inline-flex; align-items: center; gap: 6px; cursor: pointer; font-size: 13px; color: var(--muted); }
.widthctl { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: var(--muted); }
.widthctl.gammactl input[type=range] { width: 220px; }
.gammaval { font-variant-numeric: tabular-nums; min-width: 230px; }
.widthctl input[type=range] { width: 120px; accent-color: var(--accent); cursor: pointer; }
.exp-leg { display: inline-flex; align-items: center; }
.leg-label { cursor: pointer; }
.exp-leg:hover .leg-label { color: var(--fg); }
.exp-leg.off .leg-label { opacity: .45; text-decoration: line-through; }
/* Experiments panel (sidebar, below Metrics): reorderable rows */
.exprow { display: flex; align-items: center; gap: 4px; padding: 3px 2px; font-size: 12px; }
.exprow.off .leg-label { opacity: .45; text-decoration: line-through; }
.ordbtn { border: 1px solid var(--line); background: none; color: var(--muted); border-radius: 3px;
  cursor: pointer; font-size: 11px; line-height: 1; padding: 1px 3px; }
.ordbtn:hover:not(:disabled) { color: var(--fg); border-color: var(--accent); }
.ordbtn:disabled { opacity: .3; cursor: default; }
.sw-pick { width: 14px; height: 14px; padding: 0; margin-right: 5px; border: 1px solid var(--line);
  border-radius: 3px; background: none; cursor: pointer; vertical-align: middle;
  -webkit-appearance: none; appearance: none; }
.sw-pick::-webkit-color-swatch-wrapper { padding: 0; }
.sw-pick::-webkit-color-swatch { border: none; border-radius: 2px; }
.sw-pick::-moz-color-swatch { border: none; border-radius: 2px; }
.chart .errbar { stroke: var(--fg); stroke-width: 1.4; opacity: .8; }
.chart .curve-line { fill: none; stroke-width: 2; }
.chart .curve-band { opacity: .16; }
.chart .curve-run { fill: none; stroke-width: 1.2; opacity: .7; stroke-dasharray: 5 3; }
.chart .curve-end.run { opacity: .8; }
.chart .runtick { stroke: var(--fg); stroke-width: 1.6; }
.chart .reflab { fill: var(--muted); font-size: 9px; }
.chart .barref { stroke: var(--fg); opacity: .7; stroke-width: 1.5; stroke-dasharray: 5 4; }
.chart .curve-ref { fill: none; stroke: var(--fg); opacity: .6; stroke-width: 1.4; stroke-dasharray: 5 4; }
.curve-note { font-size: 11px; margin-top: 4px; }
.chart .zoom-band { fill: var(--accent, #58a6ff); opacity: .18; pointer-events: none; }
.zoomrow { display: flex; align-items: center; gap: 12px; }
.zoomhint { font-size: 11px; }
.totop { position: fixed; right: 18px; bottom: 18px; z-index: 20; padding: 6px 12px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel2); color: var(--fg); cursor: pointer; }
.totop:hover { color: var(--accent); }
.panelnav .exportbtn { margin-left: auto; }
.panelnav .snapnote { margin-left: auto; font-size: 12px; }
.linebtn { padding: 0 2px; margin-right: 5px; height: 14px; line-height: 0; background: none; border: 1px solid var(--line); border-radius: 3px; cursor: pointer; vertical-align: middle; }
.linesample { display: inline-block; vertical-align: middle; margin-right: 6px; }

/* replay: controls, slider + marker strip, frame (left) beside the conversation so far (right) */
main:has(.replay) { max-width: none; }
.rbar { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; margin-bottom: 8px; }
.rrate { background: var(--panel2); color: var(--fg); border: 1px solid var(--line); border-radius: 6px; padding: 3px 6px; }
.rpos { color: var(--muted); font-variant-numeric: tabular-nums; font-size: 13px; }
.rslide { margin-bottom: 8px; }
.rslider { width: 100%; accent-color: var(--accent); margin: 0; }
.rstrip { display: block; width: 100%; overflow: visible; }
.rstrip .rtick { cursor: pointer; }
.rmain { display: grid; grid-template-columns: minmax(280px, 45%) 1fr; gap: 16px; align-items: start; }
.rframe { border: 1px solid var(--line); border-radius: 10px; background: var(--panel); padding: 10px; }
.rimg { display: block; width: 100%; max-height: 50vh; object-fit: contain; image-rendering: pixelated; }
.rcap { font-size: 12px; margin-top: 6px; }
.rwarn { color: var(--bad); }
.rleft { position: sticky; top: 64px; display: flex; flex-direction: column; gap: 10px; }
.rmismatch { border-color: var(--bad); }
.rmismatch .rwarn { font-size: 12px; margin-bottom: 6px; }
.rmismatch .rimg { max-height: 26vh; }
.rconv { height: 78vh; overflow-y: auto; border: 1px solid var(--line); border-radius: 10px; background: var(--panel); padding: 8px 10px; }
.ritem { border: 1px solid var(--line); border-radius: 8px; margin: 6px 0; padding: 6px 9px; background: var(--panel2); cursor: pointer; }
.ritem:hover { border-color: var(--accent); }
.ritem.rnow { box-shadow: 0 0 0 2px var(--accent); }
.ritem pre { margin: 2px 0; font-size: 12px; max-height: 340px; overflow: hidden; }
.ritem.rtext { background: var(--panel); }
.ritem.rtext pre { font-size: 13px; color: var(--fg); }
.ritem.rthinking pre { color: var(--think); }
.ritem .rhead { display: flex; align-items: center; gap: 8px; font-size: 12px; font-family: ui-monospace, monospace; }
.ritem .rhead b { color: var(--accent); }
.ritem .rhead .tool-success { margin-left: auto; }
.ritem pre.rargs { color: var(--fg); }
.ritem pre.rres { color: var(--muted); border-top: 1px dashed var(--line); padding-top: 3px; }
.ritem pre.rres.err { color: var(--bad); }
.ritem.cwm-model { border-left: 4px solid #4ec9a4; }
.ritem.cwm-plan { border-left: 4px solid #b589f6; }
.ritem.cwm-explore { border-left: 4px solid #55aaff; }
.ritem.cheat { border-left: 4px solid var(--bad); }
.rthumb { display: block; max-height: 160px; max-width: 100%; margin-top: 4px; image-rendering: pixelated; }
.rmodal { position: fixed; inset: 0; background: rgba(0, 0, 0, .6); z-index: 50; display: flex; align-items: flex-start; justify-content: center; padding: 5vh 16px; }
.rmodalbox { width: min(1000px, 100%); max-height: 90vh; overflow: auto; background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; }
.rmodalhead { display: flex; align-items: center; justify-content: space-between; margin-bottom: 6px; }
.rclose { background: var(--panel2); color: var(--fg); border: 1px solid var(--line); border-radius: 6px; padding: 3px 10px; cursor: pointer; }
.rfull { font-size: 13px; }
@media (max-width: 800px) { .rmain { grid-template-columns: 1fr; } .rleft { position: static; } .rconv { height: 60vh; } }
.benchtitle { margin: 8px 0 4px; }
.benchintro { max-width: 70ch; color: var(--muted); }
.benchcard { margin: 10px 0; }
.benchactions { margin: 4px 0 20px; }
/* The host site's call-to-action button (the cells are ARC palette colours). */
.cta { display: inline-flex; align-items: center; gap: 14px; padding: 14px 20px 14px 16px;
  border: 1px solid var(--a11, #FFDC00); background: var(--panel); color: var(--fg);
  font-family: var(--mono, ui-monospace, monospace); font-size: 14px; font-weight: 500; }
.cta:hover { background: var(--panel2); color: var(--fg); }
.cta-cells { display: grid; grid-template-columns: repeat(2, 7px); gap: 2px; flex: none; }
.cta-cells span { width: 7px; height: 7px; }
.cta-cells .c9 { background: var(--a9, #1E93FF); }
.cta-cells .c11 { background: var(--a11, #FFDC00); }
.cta-cells .c14 { background: var(--a14, #4FCC30); }
.cta-cells .c8 { background: var(--a8, #F93C31); }
.benchhead { display: flex; align-items: center; gap: 8px; }
.benchhead h3 { margin: 0 auto 0 0; }
.benchscroll { overflow-x: auto; }
.benchtable td { vertical-align: middle; }
.benchtable .vicon, .benchtable .ibadge { vertical-align: middle; }
/* Phones: whatever is wider than the screen scrolls inside itself, never the page. */
@media (max-width: 700px) {
  main { padding: 10px; }
  .tabs { overflow-x: auto; }
  .tab { flex: none; white-space: nowrap; }
  table { display: block; overflow-x: auto; }
  .chart { max-width: 100%; height: auto; }
  .turn .body, .ritem { overflow-x: auto; }
  .args-path, .tag { overflow-wrap: anywhere; }
  .chartbody, .convlayout { flex-direction: column; }
  .graphlayout { grid-template-columns: minmax(0, 1fr); }
  .gsidebar { position: static; }
  .widthctl { flex-wrap: wrap; }
  .widthctl.gammactl input[type=range] { width: 160px; }
  .gammaval { min-width: 0; }
  .zoomrow, .aggbar, .ctl, .exprow, .avm, .cardhead, .benchhead, .panelnav { flex-wrap: wrap; }
  .chartlegend { width: auto; max-width: 100%; }
}