:root {
  --bg: #F7F6F1; --ink: #192D32; --muted: #64777B; --grid: #DCE3DE; --card: #FFFFFF;
  --teal: #047F79; --orange: #CB6948; --blue: #658AB6; --gold: #B38325; --term: #141F23;
  --medium: #658AB6; --high: #047F79; --max: #CB6948;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) { --bg: #10191C; --ink: #E6ECEA; --muted: #93A5A8; --grid: #27363A; --card: #172327; }
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--ink); font-family: Lato, system-ui, sans-serif; }
body { padding: 0 16px 40px; max-width: 1400px; margin: 0 auto; }
.top { display: flex; gap: 24px; align-items: flex-end; justify-content: space-between; flex-wrap: wrap; padding: 28px 0 18px; }
.kicker { color: var(--teal); font-weight: 700; letter-spacing: .06em; text-transform: uppercase; font-size: 13px; }
h1 { margin: 6px 0 8px; font-size: 34px; font-weight: 900; line-height: 1.1; }
.lede { margin: 0; max-width: 720px; color: var(--muted); font-size: 16px; line-height: 1.45; }
.episodes { display: flex; gap: 8px; flex-wrap: wrap; }
.episodes button { border: 1px solid var(--grid); background: var(--card); color: var(--ink); border-radius: 999px; padding: 9px 16px; font: 700 14px Lato, sans-serif; cursor: pointer; }
.episodes button.active { background: var(--teal); border-color: var(--teal); color: #fff; }
#app { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr); gap: 16px; }
@media (max-width: 980px) { #app { grid-template-columns: 1fr; } }
.panel { background: var(--card); border: 1px solid var(--grid); border-radius: 14px; padding: 14px; }
.panel-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: 6px 12px; font-weight: 700; margin-bottom: 10px; }
.panel-head > span:first-child { white-space: nowrap; }
.status { color: var(--muted); font-weight: 400; font-size: 14px; font-family: 'IBM Plex Mono', monospace; }
.screens { display: flex; gap: 12px; align-items: flex-start; }
.screens figure { margin: 0; flex: 1 1 0; min-width: 0; }
.screens figcaption { color: var(--muted); font-size: 13px; margin-top: 6px; }
.screens video { width: 100%; image-rendering: pixelated; border-radius: 10px; background: #000; display: block; }
.term canvas { width: 100%; display: block; border-radius: 10px; background: var(--term); }
.nethack .pixels { display: none; }
.hud { margin: 10px 0 0; padding: 10px 12px; background: var(--term); color: #C9D3CE; border-radius: 10px; font: 12.5px/1.45 'IBM Plex Mono', monospace; white-space: pre-wrap; max-height: 160px; overflow: auto; }
.nethack .hud { display: none; }
.decision .row { display: flex; gap: 10px; align-items: baseline; margin-bottom: 8px; }
.label { color: var(--muted); font-size: 12px; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; margin-bottom: 6px; }
.row .label { margin: 0; min-width: 44px; }
.tool { font: 600 14px 'IBM Plex Mono', monospace; }
.block { margin-top: 12px; }
blockquote { margin: 0; padding: 10px 12px; border-left: 3px solid var(--teal); background: color-mix(in srgb, var(--teal) 7%, transparent); border-radius: 0 8px 8px 0; font-size: 15px; line-height: 1.45; max-height: 260px; overflow: auto; word-break: break-word; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { font: 600 13px 'IBM Plex Mono', monospace; padding: 3px 8px; border-radius: 6px; background: color-mix(in srgb, var(--teal) 14%, transparent); color: var(--ink); }
.chip.dropped { background: transparent; border: 1px dashed var(--muted); color: var(--muted); text-decoration: line-through; }
.harness { font-size: 14px; line-height: 1.45; }
.effwrap { display: flex; gap: 10px; align-items: baseline; }
.rt { font-size: 13px; }
.effort { white-space: nowrap; font: 700 12px Lato, sans-serif; letter-spacing: .05em; text-transform: uppercase; padding: 4px 10px; border-radius: 999px; color: #fff; }
.effort.medium { background: var(--medium); } .effort.high { background: var(--high); } .effort.max { background: var(--max); }
.muted { color: var(--muted); font-weight: 400; }
details pre { white-space: pre-wrap; font: 12.5px/1.45 'IBM Plex Mono', monospace; max-height: 220px; overflow: auto; margin: 6px 0 0; }
.timeline { margin-top: 16px; }
.controls { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-bottom: 10px; }
.controls button { border: 1px solid var(--grid); background: var(--card); color: var(--ink); border-radius: 8px; padding: 7px 12px; font-size: 15px; cursor: pointer; }
.controls button.primary { background: var(--teal); color: #fff; border-color: var(--teal); min-width: 48px; }
.controls label { color: var(--muted); font-size: 13px; display: flex; gap: 6px; align-items: center; margin-left: 8px; }
select { font: 14px Lato, sans-serif; padding: 5px 8px; border-radius: 8px; border: 1px solid var(--grid); background: var(--card); color: var(--ink); max-width: 260px; }
#chart { width: 100%; height: 170px; display: block; cursor: crosshair; }
#slider { width: 100%; margin: 8px 0 0; accent-color: var(--teal); }
.foot { color: var(--muted); font-size: 13px; margin: 8px 0 0; }
@media (max-width: 520px) { h1 { font-size: 28px; } .status { font-size: 12px; } .rt { font-size: 12px; } }
.foot a { color: var(--teal); }