@import url('https://fonts.googleapis.com/css2?family=Schibsted+Grotesk:wght@500;700;800&family=IBM+Plex+Sans:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

/* ARC Lab tokens (shared with the other ARC Lab Spaces) */
:root {
  color-scheme: light;
  --bg: #fbfcfd; --paper: #ffffff; --ink: #0e1116; --muted: #4a5160; --line: #dde1e8; --soft: #f2f4f7;
  --blue: #2a78d6; --blue-soft: #eaf2fc; --amber: #c55224; --amber-soft: #fff0e9; --red: #b94a65; --red-soft: #f7e5ea;
  --green: #2f9e5b; --green-soft: #e6f5ec;
  --display: 'Schibsted Grotesk', 'Helvetica Neue', Arial, sans-serif;
  --body: 'IBM Plex Sans', -apple-system, 'Segoe UI', sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, monospace;
}
[data-theme=dark] {
  color-scheme: dark;
  --bg: #111317; --paper: #15181d; --ink: #eef0f3; --muted: #b4bac6; --line: #2b3039; --soft: #1a1d23;
  --blue: #66a6f4; --blue-soft: #1a2d47; --amber: #f18d63; --amber-soft: #3a2823; --red: #f297aa; --red-soft: #412733;
  --green: #5fd08e; --green-soft: #183326;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.6 var(--body); -webkit-font-smoothing: antialiased; }
button, input, select { font: inherit; }
button { cursor: pointer; }
a { color: inherit; text-decoration: none; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; }
[hidden] { display: none !important; }
canvas { display: block; image-rendering: pixelated; }
h1, h2, h3 { font-family: var(--display); }
p { color: var(--muted); margin: 0; }

/* Header */
header { height: 72px; display: flex; align-items: center; gap: 30px; border-bottom: 1px solid var(--line);
  padding: 0 max(28px, calc((100vw - 1220px) / 2)); background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(15px); position: sticky; top: 0; z-index: 20; }
.brand { display: flex; align-items: center; gap: 10px; font-family: var(--display); font-weight: 700; letter-spacing: 1.2px; font-size: 15px; }
.brand-slash { color: var(--muted); font-weight: 400; }
.brand-mark { display: grid; grid-template-columns: repeat(3, 6px); gap: 3px; margin-right: 6px; }
.brand-mark i { height: 6px; background: var(--blue); }
.brand-mark i:nth-child(3n) { background: var(--amber); }
.brand-mark i:nth-child(5) { opacity: .2; }
nav { display: flex; gap: 28px; margin-left: auto; font-size: 13px; }
nav a { color: var(--muted); }
nav a:hover { color: var(--blue); }
#theme { border: 1px solid var(--line); background: var(--paper); border-radius: 50%; height: 35px; width: 35px; font-size: 18px; color: var(--ink); }

main { max-width: 1276px; margin: auto; padding: 0 28px; }

/* Hero */
.hero { display: grid; grid-template-columns: 1.6fr 1fr; gap: 60px; align-items: center; padding: 60px 0 46px; }
.eyebrow { font: 11px var(--mono); letter-spacing: .08em; color: var(--muted); display: flex; align-items: center; gap: 10px; text-transform: uppercase; }
.separator { color: var(--line); margin: 0 2px; }
.live-dot { display: inline-block; width: 7px; height: 7px; flex-shrink: 0; border-radius: 50%; background: var(--muted); }
.live-dot.on { background: var(--blue); box-shadow: 0 0 0 4px color-mix(in srgb, var(--blue) 14%, transparent); animation: pulse 2s ease-in-out infinite; }
@keyframes pulse { 50% { box-shadow: 0 0 0 7px color-mix(in srgb, var(--blue) 4%, transparent); } }
h1 { font-size: clamp(44px, 5.4vw, 74px); font-weight: 800; letter-spacing: -.02em; line-height: 1.08; margin: 24px 0 22px; }
h1 em, .recipe h2 em { font-style: normal; color: var(--blue); }
.hero p { font-size: 19px; line-height: 1.55; max-width: 48ch; }
.hero-tags { display: flex; gap: 8px; margin-top: 22px; flex-wrap: wrap; }
.hero-tags span { background: var(--soft); border: 1px solid var(--line); padding: 5px 10px; border-radius: 4px; font-size: 11px; color: var(--muted); }

.journey { border-left: 1px solid var(--line); padding-left: 34px; }
.journey > .eyebrow { margin-bottom: 14px; }
.step { display: flex; align-items: center; gap: 18px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.step b { font: 11px var(--mono); color: var(--muted); font-weight: 400; }
.step span { font-weight: 500; font-size: 14px; }
.step small { display: block; color: var(--muted); font-size: 12px; font-weight: 400; margin-top: 2px; }
.step i { margin-left: auto; font-style: normal; color: var(--muted); }
.step.current span, .step.current b, .step.current i { color: var(--blue); }
.step.future { opacity: .55; }

.status-bar { display: flex; justify-content: space-between; gap: 16px; padding: 12px 0; border-top: 1px solid var(--line); font-size: 12px; color: var(--muted); flex-wrap: wrap; }
.status-bar > div { display: flex; align-items: center; gap: 12px; }
.status-bar button { background: none; color: var(--ink); border: none; font-size: 12px; border-left: 1px solid var(--line); padding: 0 0 0 14px; }

/* Scoreboard */
.scoreboard { display: grid; grid-template-columns: 1fr 1fr .9fr; background: var(--paper); border: 1px solid var(--line); border-radius: 6px; overflow: hidden; }
.arm-score { padding: 28px 30px; border-right: 1px solid var(--line); }
.beam { --arm: var(--blue); } .levels { --arm: var(--green); } .working { --arm: var(--amber); }
.arm-name { display: flex; align-items: center; gap: 8px; color: var(--arm); font: 500 11px var(--mono); text-transform: uppercase; letter-spacing: .05em; }
.color-dot { width: 7px; height: 7px; background: var(--arm); border-radius: 2px; }
.tiny { font: 10px var(--mono); letter-spacing: .4px; color: var(--muted); }
.arm-name .tiny { margin-left: auto; text-transform: none; }
.score-value { font-family: var(--display); font-weight: 800; font-size: 60px; letter-spacing: -1.2px; line-height: 1.1; font-variant-numeric: tabular-nums; margin: 20px 0 4px; }
.score-value small { font-size: 20px; color: var(--muted); letter-spacing: -.4px; margin-left: 8px; }
.arm-score p { font-size: 14px; font-weight: 500; color: var(--ink); }
.track { height: 3px; background: var(--soft); border-radius: 4px; margin: 20px 0 12px; overflow: hidden; }
.track i { display: block; height: 100%; width: 0; background: var(--arm); transition: width .6s; }
.score-meta { font-size: 12px; color: var(--muted); }
.comparison-score { padding: 28px 30px; }
.delta { font-family: var(--display); font-weight: 800; font-size: 60px; letter-spacing: -1px; line-height: 1.1; margin: 20px 0 4px; color: var(--amber); font-variant-numeric: tabular-nums; }
.comparison-score h3 { font-size: 14px; font-weight: 500; margin: 0 0 6px; }
.comparison-score p { font-size: 13px; line-height: 1.7; }
.context-note { display: flex; align-items: center; gap: 13px; color: var(--muted); font-size: 11px; line-height: 1.7; padding: 14px 0 26px; }
.context-note > span { font: 9px var(--mono); letter-spacing: .6px; white-space: nowrap; border: 1px solid var(--line); border-radius: 3px; padding: 3px 6px; }

/* Section heads */
section { margin-bottom: 26px; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 15px; margin: 44px 0 20px; flex-wrap: wrap; }
.section-heading h2, .panel-top h2 { font-size: 26px; font-weight: 700; letter-spacing: -.25px; margin: 10px 0 4px; }
.section-heading p { font-size: 13px; max-width: 46ch; }

/* Console (VISTA-style three panes) */
.console-pick { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
select { border: 1px solid var(--line); border-radius: 6px; padding: 8px 10px; background: var(--paper); color: var(--ink); font-size: 13px; }
.follow { font-size: 12px; color: var(--muted); display: flex; gap: 6px; align-items: center; }
.console { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr) minmax(0, .95fr); gap: 14px; align-items: stretch; }
.pane { background: var(--paper); border: 1px solid var(--line); border-radius: 6px; padding: 16px; display: flex; flex-direction: column; min-width: 0; }
.pane-head, .filmstrip-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-bottom: 12px; }
.pane-tag { font: 500 10px var(--mono); letter-spacing: .08em; text-transform: uppercase; padding: 3px 7px; border-radius: 3px; background: var(--soft); color: var(--ink); border: 1px solid var(--line); }
.pane-tag.blue { background: var(--blue-soft); color: var(--blue); border-color: transparent; }
.pane-tag.amber { background: var(--amber-soft); color: var(--amber); border-color: transparent; }
.screen-wrap { background: #000; border-radius: 4px; padding: 6px; }
#screen { width: 100%; height: auto; cursor: crosshair; }
.probe { font: 11px var(--mono); margin-top: 8px; min-height: 1.5em; }
.controls { display: flex; gap: 5px; align-items: center; margin-top: 8px; flex-wrap: wrap; }
.controls button { border: 1px solid var(--line); background: var(--paper); color: var(--ink); border-radius: 5px; padding: 6px 10px; font-size: 13px; min-width: 38px; }
.controls button.play { background: var(--ink); color: var(--bg); border-color: var(--ink); min-width: 70px; }
.controls select { margin-left: auto; padding: 5px 8px; font-size: 12px; }
#scrub { width: 100%; margin-top: 10px; accent-color: var(--blue); }

.move-card { border: 1px solid var(--line); border-radius: 5px; padding: 12px 14px; background: var(--soft); }
.move-top { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.move-act { font-family: var(--display); font-weight: 700; font-size: 20px; letter-spacing: -.2px; }
.move-n { font: 11px var(--mono); color: var(--muted); }
.move-plan { margin-top: 6px; font-size: 13px; color: var(--ink); line-height: 1.55; }
.move-flags { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 8px; }
.flag { font: 10px var(--mono); padding: 2px 7px; border-radius: 3px; background: var(--paper); border: 1px solid var(--line); color: var(--muted); }
.flag.win { background: var(--green-soft); color: var(--green); border-color: transparent; }
.flag.miss { background: var(--red-soft); color: var(--red); border-color: transparent; }
.pane-sub { font: 10px var(--mono); color: var(--muted); text-transform: uppercase; letter-spacing: .08em; margin: 14px 0 6px; }
.thought-box { flex: 1; min-height: 260px; max-height: 520px; overflow: auto; border-left: 2px solid var(--blue); padding: 2px 0 2px 12px; }
.thought-box .call + .call { margin-top: 14px; padding-top: 12px; border-top: 1px dashed var(--line); }
.call-h { font: 10px var(--mono); color: var(--muted); margin-bottom: 5px; }
.thought { white-space: pre-wrap; overflow-wrap: anywhere; font-size: 13px; line-height: 1.6; color: var(--ink); margin: 0; font-family: var(--body); }
.said { white-space: pre-wrap; overflow-wrap: anywhere; font-size: 13px; margin: 8px 0 0; padding: 8px 10px; background: var(--blue-soft); border-radius: 4px; color: var(--ink); font-family: var(--body); }
.empty { font-size: 13px; color: var(--muted); }

.mem-tabs { display: flex; gap: 16px; border-bottom: 1px solid var(--line); margin-bottom: 10px; }
.mem-tabs button { background: none; border: 0; border-bottom: 2px solid transparent; color: var(--muted); padding: 4px 0 8px; font-size: 13px; margin-bottom: -1px; }
.mem-tabs button[aria-selected=true] { color: var(--ink); border-bottom-color: var(--amber); }
.mem-body { flex: 1; min-height: 260px; max-height: 600px; overflow: auto; }
.tool { border: 1px solid var(--line); border-radius: 5px; margin-bottom: 8px; overflow: hidden; }
.tool-h { display: flex; justify-content: space-between; font: 11px var(--mono); padding: 6px 10px; background: var(--soft); border-bottom: 1px solid var(--line); }
.tool-h span:last-child { color: var(--muted); }
.mem-body pre, .tool pre { margin: 0; padding: 8px 10px; white-space: pre-wrap; overflow-wrap: anywhere; font: 11px/1.55 var(--mono); color: var(--ink); }

.filmstrip-wrap { margin-top: 14px; background: var(--paper); border: 1px solid var(--line); border-radius: 6px; padding: 14px 16px 12px; }
.filmstrip { display: flex; gap: 4px; overflow-x: auto; padding-bottom: 8px; scroll-behavior: smooth; }
.filmstrip button { flex: 0 0 auto; padding: 0; border: 2px solid transparent; border-radius: 3px; background: none; position: relative; }
.filmstrip button canvas { width: 54px; height: 54px; border-radius: 1px; }
.filmstrip button.now { border-color: var(--blue); }
.filmstrip button.lvl::after { content: ''; position: absolute; left: -4px; top: 0; bottom: 0; width: 2px; background: var(--green); }
.filmstrip button span { position: absolute; left: 2px; bottom: 2px; font: 9px var(--mono); color: #fff; background: #0009; padding: 0 3px; border-radius: 2px; }
.levelbar { display: flex; gap: 3px; height: 6px; margin-top: 4px; }
.levelbar i { flex: 1; background: var(--soft); border-radius: 2px; }
.levelbar i.done { background: var(--green); }
.levelbar i.now { background: var(--blue); }

/* Charts */
.charts { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 36px; }
.panel { background: var(--paper); border: 1px solid var(--line); border-radius: 6px; padding: 24px; }
.panel-top { display: flex; justify-content: space-between; align-items: start; gap: 15px; }
.panel-top p { font-size: 13px; }
.legend { display: flex; gap: 12px; font-size: 11px; flex-wrap: wrap; justify-content: end; margin-top: 26px; max-width: 45%; }
.legend span { display: inline-flex; align-items: center; gap: 5px; color: var(--muted); }
.legend span i { width: 9px; height: 3px; border-radius: 2px; }
.plot { height: 240px; margin-top: 16px; }
.plot svg { width: 100%; height: 100%; overflow: visible; }
.plot text { font: 10px var(--mono); fill: var(--muted); }
.plot .gridline { stroke: var(--line); stroke-dasharray: 2 5; }
.plot .empty-chart { height: 100%; display: flex; align-items: center; justify-content: center; text-align: center; font-size: 13px; color: var(--muted); }
.metric-chip { white-space: nowrap; background: var(--blue-soft); color: var(--blue); font: 11px var(--mono); padding: 7px 9px; border-radius: 5px; margin-top: 22px; }

.paired-facts { display: grid; grid-template-columns: repeat(4, 1fr); margin: 22px 0 30px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.paired-facts > div { padding: 22px; border-right: 1px solid var(--line); }
.paired-facts > div:first-child { padding-left: 0; }
.paired-facts > div:last-child { border: 0; }
.paired-facts span, .paired-facts small { display: block; color: var(--muted); font-size: 11px; }
.paired-facts b { display: block; font-family: var(--display); font-weight: 700; font-size: 25px; letter-spacing: -.5px; margin: 6px 0 2px; font-variant-numeric: tabular-nums; }

/* Mosaic of the 25 games */
.mosaic { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 14px; margin: 24px 0 18px; }
.gcard { display: block; text-align: left; border: 1px solid var(--line); border-radius: 6px; background: var(--paper); padding: 8px; color: var(--ink); transition: border-color .15s; }
.gcard:hover { border-color: var(--blue); }
.gcard.sel { border-color: var(--ink); box-shadow: 0 0 0 1px var(--ink); }
.gcard canvas { width: 100%; height: auto; border-radius: 3px; }
.gcard.waiting canvas { opacity: .45; filter: saturate(.4); }
.gc-top { display: flex; justify-content: space-between; align-items: baseline; margin-top: 8px; }
.gc-name { font: 600 13px var(--mono); }
.gc-score { font: 12px var(--mono); color: var(--muted); }
.gc-pips { display: flex; gap: 2px; margin-top: 6px; }
.gc-pips i { flex: 1; height: 5px; border-radius: 1px; background: var(--soft); border: 1px solid var(--line); }
.gc-pips i.done { background: var(--green); border-color: var(--green); }
.gc-status { display: inline-flex; align-items: center; gap: 5px; font-size: 11px; color: var(--muted); margin-top: 5px; }
.gc-status.running { color: var(--blue); }
.gc-status.running::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--blue); animation: pulse 2s infinite; }
.map-legend { display: flex; gap: 20px; font-size: 11px; color: var(--muted); flex-wrap: wrap; }
.map-legend > span { display: flex; gap: 7px; align-items: center; }
.swatch { height: 9px; width: 12px; border-radius: 2px; background: var(--soft); border: 1px solid var(--line); }
.swatch.done { background: var(--green); border-color: var(--green); }
.swatch.running { background: var(--blue); border-color: var(--blue); }
.swatch.waiting { opacity: .45; }

/* Tables */
.table-wrap { overflow: auto; border: 1px solid var(--line); border-radius: 8px; background: var(--paper); }
table { width: 100%; border-collapse: collapse; text-align: left; white-space: nowrap; }
th { font: 10px var(--mono); color: var(--muted); padding: 13px 18px; background: var(--soft); font-weight: 400; letter-spacing: .35px; text-transform: uppercase; }
td { padding: 13px 18px; border-top: 1px solid var(--line); font-size: 13px; }
td small { display: block; color: var(--muted); font-size: 11px; margin-top: 2px; white-space: normal; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
tr.beam td { background: var(--blue-soft); }
tr.beam td:first-child { box-shadow: inset 3px 0 0 var(--blue); }
tr.human td { color: var(--muted); font-style: italic; }
td a { color: var(--blue); }
.hbar { width: 220px; height: 6px; background: var(--soft); border-radius: 3px; overflow: hidden; display: inline-block; vertical-align: middle; margin-right: 10px; }
.hbar i { display: block; height: 100%; background: var(--ink); }
tr.beam .hbar i { background: var(--blue); }
#explore-table tbody tr { cursor: pointer; }
#explore-table tbody tr:hover { background: color-mix(in srgb, var(--blue) 4%, var(--paper)); }
.pill { display: inline-flex; align-items: center; gap: 6px; font-size: 11px; color: var(--muted); }
.pill::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.pill.finished { color: var(--ink); }
.pill.running { color: var(--blue); }
.pill.stalled { color: var(--red); }

/* Protocol */
.recipe { border-top: 1px solid var(--line); display: grid; grid-template-columns: 1fr 1.25fr; gap: 80px; padding: 44px 0; margin-top: 40px; }
.recipe h2 { font-size: 36px; line-height: 1.15; font-weight: 700; letter-spacing: -.35px; margin: 18px 0; }
.recipe-title p { font-size: 14px; max-width: 340px; line-height: 1.8; }
.recipe-title a { display: inline-block; font-size: 13px; color: var(--blue); margin-top: 18px; }
.recipe dl { margin: 0; display: grid; grid-template-columns: 170px 1fr; font-size: 13px; }
.recipe dt, .recipe dd { border-bottom: 1px solid var(--line); padding: 12px 0; margin: 0; }
.recipe dt { color: var(--muted); }
.method-note { margin-top: 18px; font-size: 12px; line-height: 1.8; }

footer { display: flex; justify-content: space-between; gap: 20px; border-top: 1px solid var(--line); padding: 24px max(28px, calc((100vw - 1220px) / 2)) 30px; font-size: 11px; color: var(--muted); flex-wrap: wrap; }
footer i { font-style: normal; margin: 0 7px; }

@media (max-width: 1100px) {
  .console { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .console .memory { grid-column: 1 / -1; }
}
@media (max-width: 860px) {
  nav { display: none; }
  .hero, .charts, .recipe { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .journey { border-left: 0; padding-left: 0; }
  .scoreboard { grid-template-columns: minmax(0, 1fr); }
  .arm-score { border-right: 0; border-bottom: 1px solid var(--line); }
  .console { grid-template-columns: minmax(0, 1fr); }
  .paired-facts { grid-template-columns: 1fr 1fr; }
  .paired-facts > div:nth-child(2) { border-right: 0; }
  .paired-facts > div:nth-child(3) { padding-left: 0; }
  .recipe dl { grid-template-columns: 120px 1fr; }
  .hbar { width: 90px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}

.pill.error { color: var(--red); }
.pill.paused { color: var(--amber); }