/* Shared look for the Jev playground simulations. */
:root {
  --bg: #fbfbfd;        --panel: #ffffff;     --ink: #14141a;
  --muted: #5d5d6e;     --line: #e4e4ec;      --line-soft: #f0f0f6;
  --jev: #d63c9e;       --llm: #5b5bd6;       --code: #0d9e70;
  --human: #d98207;     --danger: #dc3b3b;    --shadow: 0 1px 2px rgba(20,20,40,.06), 0 8px 24px rgba(20,20,40,.05);
  --r: 12px;            --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, Helvetica, Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0e0e13;      --panel: #17171f;     --ink: #ecedf2;
    --muted: #9a9aad;   --line: #2a2a37;      --line-soft: #21212c;
    --jev: #f472c0;     --llm: #8b8bf0;       --code: #34d3a0;
    --human: #f0a93a;   --danger: #f16a6a;    --shadow: 0 1px 2px rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.3);
  }
}
:root[data-theme="dark"] {
  --bg: #0e0e13;        --panel: #17171f;     --ink: #ecedf2;
  --muted: #9a9aad;     --line: #2a2a37;      --line-soft: #21212c;
  --jev: #f472c0;       --llm: #8b8bf0;       --code: #34d3a0;
  --human: #f0a93a;     --danger: #f16a6a;    --shadow: 0 1px 2px rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.3);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink); font-family: var(--sans);
  line-height: 1.55; -webkit-font-smoothing: antialiased;
}
.wrap { max-width: 1060px; margin: 0 auto; padding: 28px 16px 72px; }

/* ---- header ---- */
.top { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; margin-bottom: 4px; }
.eyebrow {
  font-size: 11px; font-weight: 700; letter-spacing: .09em; text-transform: uppercase;
  color: var(--jev); font-family: var(--mono);
}
h1 { font-size: clamp(22px, 4.2vw, 31px); line-height: 1.2; margin: 6px 0 10px; letter-spacing: -.02em; }
.lede { color: var(--muted); font-size: 16px; margin: 0 0 22px; max-width: 68ch; }
.back { color: var(--muted); text-decoration: none; font-size: 13px; }
.back:hover { color: var(--jev); }

/* ---- panels ---- */
.panel {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--r);
  box-shadow: var(--shadow); padding: 18px; margin-bottom: 18px;
}
.panel h2 { font-size: 14px; margin: 0 0 14px; letter-spacing: -.01em; }
.panel h2 .sub { color: var(--muted); font-weight: 400; }

/* ---- controls ---- */
.controls { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-bottom: 16px; }
button {
  font: inherit; font-size: 13px; font-weight: 600; color: var(--ink); background: var(--panel);
  border: 1px solid var(--line); border-radius: 8px; padding: 8px 14px; cursor: pointer;
  transition: background .15s, border-color .15s, transform .08s; min-height: 38px;
}
button:hover { border-color: var(--jev); }
button:active { transform: translateY(1px); }
button.primary { background: var(--jev); border-color: var(--jev); color: #fff; }
button.primary:hover { filter: brightness(1.07); }
button:focus-visible { outline: 2px solid var(--jev); outline-offset: 2px; }
.spacer { flex: 1; }
label.ctl { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--muted); }
input[type=range] { accent-color: var(--jev); cursor: pointer; min-height: 32px; }

/* ---- stats ---- */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(118px, 1fr)); gap: 10px; }
.stat { border: 1px solid var(--line-soft); border-radius: 10px; padding: 10px 12px; background: var(--bg); }
.stat .k { font-size: 10.5px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); font-weight: 700; }
.stat .v { font-size: 20px; font-weight: 650; font-variant-numeric: tabular-nums; letter-spacing: -.02em; margin-top: 2px; }
.stat .n { font-size: 11px; color: var(--muted); }

/* ---- misc ---- */
svg { display: block; width: 100%; height: auto; overflow: visible; }
.legend { display: flex; gap: 14px; flex-wrap: wrap; font-size: 12px; color: var(--muted); margin-top: 12px; }
.legend i { width: 9px; height: 9px; border-radius: 3px; display: inline-block; margin-right: 5px; vertical-align: 1px; }
.note { font-size: 13px; color: var(--muted); margin: 12px 0 0; }
.note b { color: var(--ink); font-weight: 600; }
code, .mono { font-family: var(--mono); font-size: .92em; }
.pill {
  display: inline-block; font-family: var(--mono); font-size: 11px; font-weight: 600;
  padding: 2px 8px; border-radius: 999px; border: 1px solid var(--line);
}
.bar { height: 7px; border-radius: 4px; background: var(--line-soft); overflow: hidden; }
.bar > span { display: block; height: 100%; border-radius: 4px; transition: width .35s ease; }
table.rows { width: 100%; border-collapse: collapse; font-size: 13px; }
table.rows th { text-align: left; font-size: 10.5px; text-transform: uppercase; letter-spacing: .06em;
  color: var(--muted); font-weight: 700; padding: 6px 8px; border-bottom: 1px solid var(--line); }
table.rows td { padding: 7px 8px; border-bottom: 1px solid var(--line-soft); vertical-align: middle; }
.tick { font-family: var(--mono); font-size: 12px; font-variant-numeric: tabular-nums; }

.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 720px) { .grid2 { grid-template-columns: 1fr; } .wrap { padding: 20px 16px 56px; } }

/* ---- header links (source code, repo, article) ---- */
.top-links { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.repo-link {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 12.5px; color: var(--muted); text-decoration: none;
  border: 1px solid var(--line); border-radius: 999px; padding: 5px 12px;
  background: var(--panel); transition: color .16s, border-color .16s;
}
.repo-link:hover { color: var(--jev); border-color: var(--jev); }
.repo-link:focus-visible { outline: 2px solid var(--jev); outline-offset: 2px; }
.repo-link svg { width: 16px; height: 16px; fill: currentColor; flex: none; }
.repo-link .mono { font-family: var(--mono); font-size: 11.5px; }
@media (max-width: 560px) { .repo-link .label { display: none; } }

/* ---- grouped cards on the landing page ---- */
.group { margin: 0 0 30px; }
.group-head { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; margin: 0 0 4px; }
.group-head h2 {
  font-size: 12px; font-weight: 700; letter-spacing: .09em; text-transform: uppercase;
  color: var(--jev); font-family: var(--mono); margin: 0;
}
.group-head .count { font-family: var(--mono); font-size: 11px; color: var(--muted); }
.group > p.blurb { margin: 0 0 14px; font-size: 13.5px; color: var(--muted); max-width: 72ch; }