:root {
  color-scheme: light;
  --page: #f7f8f5;
  --surface: #ffffff;
  --text-1: #202b29;
  --text-2: #56675e;
  --muted: #75847b;
  --grid: #dce5dd;
  --axis: #b9cbbd;
  --ring: #dce5dd;
  --series-eeg: #276b59;
  --series-base: #a17d56;
  --good: #388069;
  --warning: #bb8755;
  --serious: #ab7148;
  --critical: #ae5947;
  --good-text: #276b59;
  --focus: #276b59;
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #0d0d0d;
  --surface: #1a1a19;
  --text-1: #f0efec;
  --text-2: #c3c2b7;
  --grid: #2c2c2a;
  --axis: #383835;
  --ring: rgba(255, 255, 255, 0.10);
  --series-eeg: #3987e5;
  --series-base: #d95926;
  --good-text: #0ca30c;
  --focus: #3987e5;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--page);
  color: var(--text-1);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
}
a { color: inherit; text-underline-offset: 2px; }
button {
  font: inherit; color: var(--text-1); background: var(--surface);
  border: 1px solid var(--ring); border-radius: 8px; padding: 6px 12px; cursor: pointer;
}
button:hover { border-color: var(--axis); }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }

.page { max-width: 1040px; margin: 0 auto; padding: 32px 16px 48px; }
h1 { font-size: 28px; line-height: 1.2; margin: 0 0 6px; letter-spacing: -0.01em; }
h2 { font-size: 19px; margin: 40px 0 6px; }
h3 { font-size: 15px; margin: 24px 0 8px; }
.lede, .section-note { color: var(--text-2); margin: 0; max-width: 62ch; }

.top { display: flex; gap: 24px; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; }
.live {
  background: var(--surface); border: 1px solid var(--ring); border-radius: 12px;
  padding: 12px 14px; min-width: 260px; font-size: 13px;
}
.live-row { display: flex; align-items: center; gap: 8px; font-weight: 600; }
.live-meta { color: var(--text-2); margin: 4px 0 10px; }
.live-actions { display: flex; gap: 8px; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--muted); flex: none; }
.dot.ok { background: var(--good); }
.dot.err { background: var(--critical); }
.dot.flash { animation: pulse 1.2s ease-out 2; }
@keyframes pulse { 50% { box-shadow: 0 0 0 6px transparent; transform: scale(1.6); } }
@media (prefers-reduced-motion: reduce) { .dot.flash { animation: none; } }

.error {
  margin-top: 20px; padding: 12px 14px; border-radius: 10px;
  border: 1px solid var(--critical); color: var(--text-1); background: var(--surface);
}

.tabs { display: flex; gap: 6px; margin: 16px 0 12px; flex-wrap: wrap; }
.tabs button[aria-selected="true"] { border-color: var(--text-1); font-weight: 600; }

.card {
  background: var(--surface); border: 1px solid var(--ring); border-radius: 12px;
  padding: 16px; margin-top: 12px;
}
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; margin-top: 12px; }
.tile { background: var(--surface); border: 1px solid var(--ring); border-radius: 12px; padding: 14px 16px; }
.tile .label { color: var(--text-2); font-size: 13px; }
.tile .value { font-size: 30px; font-weight: 600; line-height: 1.15; margin-top: 4px; }
.tile .sub { color: var(--text-2); font-size: 13px; margin-top: 2px; }
.swatch { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 6px; vertical-align: 0; }

.verdict {
  display: inline-flex; align-items: center; gap: 8px; margin-top: 14px;
  padding: 6px 12px; border-radius: 999px; border: 1px solid var(--ring);
  background: var(--surface); font-weight: 600;
}
.verdict .icon { width: 18px; height: 18px; border-radius: 50%; display: grid; place-items: center;
  color: #fff; font-size: 12px; font-weight: 700; flex: none; }
.verdict p { margin: 0; }
.verdict-why { color: var(--text-2); margin: 6px 0 0; max-width: 70ch; }

.chart-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.chart-head h3 { margin: 0; }
.legend { display: flex; gap: 14px; color: var(--text-2); font-size: 13px; flex-wrap: wrap; }
.legend span { display: inline-flex; align-items: center; }
select { font: inherit; color: var(--text-1); background: var(--surface); border: 1px solid var(--ring); border-radius: 8px; padding: 4px 8px; }

svg { display: block; width: 100%; height: auto; overflow: visible; }
.chart-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.chart-scroll > svg { min-width: 760px; }
svg text { fill: var(--text-2); font-size: 12px; }
svg .t1 { fill: var(--text-1); }
svg .grid { stroke: var(--grid); stroke-width: 1; }
svg .axis { stroke: var(--axis); stroke-width: 1; }
svg .ref { stroke: var(--text-2); stroke-width: 1.5; stroke-dasharray: 4 3; }
svg .whisker { stroke-width: 2; stroke-linecap: round; }
svg .pt { stroke: var(--surface); stroke-width: 2; }
svg .hit { fill: transparent; cursor: default; }
svg .hit:focus-visible { outline: none; stroke: var(--focus); stroke-width: 2; }
svg .chance-tick { stroke: var(--text-1); stroke-width: 2; }

details { margin-top: 10px; }
summary { cursor: pointer; color: var(--text-2); font-size: 13px; }
table { border-collapse: collapse; width: 100%; margin-top: 8px; font-size: 13px; }
th, td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--grid); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
.table-wrap { overflow-x: auto; }

.tooltip {
  position: fixed; z-index: 10; pointer-events: none; max-width: 280px;
  background: var(--surface); color: var(--text-1); border: 1px solid var(--ring);
  border-radius: 8px; padding: 8px 10px; font-size: 13px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.18);
}
.tooltip b { display: block; margin-bottom: 2px; }
.tooltip .muted { color: var(--text-2); }

.foot { margin-top: 48px; color: var(--text-2); font-size: 13px; border-top: 1px solid var(--grid); padding-top: 16px; }

@media (max-width: 560px) {
  h1 { font-size: 24px; }
  .tile .value { font-size: 26px; }
  .live { width: 100%; }
}


/* Research notebook visual system: understated, editorial and data-led. */
body{font-family:'DM Sans',system-ui,-apple-system,'Segoe UI',sans-serif;font-size:14px;line-height:1.65}
.page{max-width:1100px;padding:28px 30px 58px}
h1{font-size:clamp(30px,3vw,42px);letter-spacing:-.055em;line-height:1.13}
h2{font-size:21px;letter-spacing:-.035em;font-weight:650;margin-top:50px}
h3{font-size:15px;letter-spacing:-.02em}
.top{padding-top:19px;border-top:1px solid var(--grid)}
.lede{font-size:14px;line-height:1.7}
button{border-radius:6px}
.card,.tile,.live,.error{border-radius:8px;box-shadow:none}
.tabs{border-bottom:1px solid var(--grid);gap:2px;margin-top:20px}
.tabs button{background:none;border:none;border-bottom:2px solid transparent;border-radius:0;color:var(--text-2);padding:10px 13px}
.tabs button[aria-selected="true"]{border-color:var(--series-eeg);color:var(--text-1);font-weight:650}
.tile .value{font-variant-numeric:tabular-nums;letter-spacing:-.05em}
.verdict{border-radius:6px}
.chart-scroll>svg{min-width:680px}
.foot{border-color:var(--grid)}
.atlas-entry{display:flex;gap:22px;align-items:center;justify-content:space-between;flex-wrap:wrap;border:1px solid var(--ring);border-radius:8px;background:var(--surface);padding:18px 20px;margin-bottom:30px}
.atlas-entry-copy{display:grid;gap:3px}
.atlas-entry-copy .atlas-index{font-size:10px;color:var(--series-eeg);letter-spacing:.12em;font-weight:700}
.atlas-entry-copy strong{font-size:17px;line-height:1.35;letter-spacing:-.025em;font-weight:650}
.atlas-entry-copy>span:last-child{font-size:12px;color:var(--text-2);max-width:580px}
.atlas-entry>a{font-size:12px;font-weight:700;text-decoration:none;border:1px solid var(--ring);border-radius:6px;padding:10px 14px;white-space:nowrap}
.atlas-entry>a:hover{background:#edf3ed}
@media(max-width:640px){.page{padding:22px 18px 45px}.atlas-entry{display:block}.atlas-entry>a{margin-top:13px;display:inline-block}.top{padding-top:8px}}