:root {
  color-scheme: light;
  --page: #f9f9f7;
  --surface: #fcfcfb;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --muted: #898781;
  --grid: #e1e0d9;
  --axis: #c3c2b7;
  --border: rgba(11, 11, 11, 0.10);
  --accent: #eda100;
  --banner-bg: #fff4d6;
  --banner-ink: #5a4200;
  --good: #006300;
  --bad: #b3261e;
  /* categorical slots (fixed order; color follows the entity) */
  --s1: #2a78d6; /* naive */
  --s2: #eb6834; /* curtailer */
  --s3: #1baf7a; /* prudent */
  --s4: #eda100; /* llm */
  --s7: #4a3aa7; /* imbalance deficit */
  --s8: #e34948; /* imbalance surplus */
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --page: #0d0d0d; --surface: #1a1a19; --ink: #ffffff; --ink-2: #c3c2b7; --muted: #898781;
    --grid: #2c2c2a; --axis: #383835; --border: rgba(255, 255, 255, 0.10);
    --banner-bg: #3a2e05; --banner-ink: #ffe4a0; --good: #0ca30c; --bad: #e66767;
    --s1: #3987e5; --s2: #d95926; --s3: #199e70; --s4: #c98500; --s7: #9085e9; --s8: #e66767;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #0d0d0d; --surface: #1a1a19; --ink: #ffffff; --ink-2: #c3c2b7; --muted: #898781;
  --grid: #2c2c2a; --axis: #383835; --border: rgba(255, 255, 255, 0.10);
  --banner-bg: #3a2e05; --banner-ink: #ffe4a0; --good: #0ca30c; --bad: #e66767;
  --s1: #3987e5; --s2: #d95926; --s3: #199e70; --s4: #c98500; --s7: #9085e9; --s8: #e66767;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--page); color: var(--ink);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  padding: env(safe-area-inset-top, 0) 0 env(safe-area-inset-bottom, 0);
}
a { color: var(--s1); }
h1, h2, h3 { margin: 0; line-height: 1.2; }
h1 { font-size: 1.5rem; }
h2 { font-size: 1.15rem; }
h3 { font-size: 1rem; margin: 1.25rem 0 0.5rem; }

.banner {
  background: var(--banner-bg); color: var(--banner-ink); text-align: center;
  padding: 0.5rem 1rem; font-weight: 600; font-size: 0.9rem;
}
.top, main, .foot { max-width: 1180px; margin: 0 auto; padding-inline: 16px; }
.top { display: flex; gap: 1rem; justify-content: space-between; align-items: center;
       flex-wrap: wrap; padding-block: 1.25rem; }
.brand { display: flex; gap: 0.75rem; align-items: flex-start; }
.dot { width: 14px; height: 14px; margin-top: 0.4rem; border-radius: 50%; background: var(--accent);
       box-shadow: 0 0 12px 3px color-mix(in srgb, var(--accent) 60%, transparent); flex: none; }
.tagline { margin: 0.25rem 0 0; color: var(--ink-2); max-width: 60ch; }
.controls { display: flex; gap: 0.75rem; align-items: center; }
.seg { display: inline-flex; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.seg button { border: 0; background: transparent; color: var(--ink-2); padding: 0.35rem 0.7rem;
              font: inherit; cursor: pointer; }
.seg button[aria-pressed="true"] { background: var(--surface); color: var(--ink); font-weight: 600; }
.live { display: inline-flex; align-items: center; gap: 0.4rem; color: var(--muted); font-size: 0.85rem; }
.pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--muted); }
.live.on .pulse { background: #0ca30c; animation: pulse 2s infinite; }
@keyframes pulse { 50% { opacity: 0.35; } }
@media (prefers-reduced-motion: reduce) { .live.on .pulse { animation: none; } }

main { display: grid; gap: 1rem; padding-bottom: 2rem; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 12px;
        padding: 1rem 1.1rem 1.25rem; min-width: 0; }
.card-head { margin-bottom: 0.75rem; }
.card-head.row { display: flex; justify-content: space-between; align-items: center; gap: 0.75rem;
                 flex-wrap: wrap; }
.hint { margin: 0.3rem 0 0; color: var(--ink-2); font-size: 0.88rem; max-width: 80ch; }
.empty { color: var(--ink-2); font-size: 0.9rem; }

.day-nav { display: flex; gap: 0.35rem; align-items: center; }
.day-nav button, .day-nav input {
  font: inherit; color: var(--ink); background: var(--page); border: 1px solid var(--border);
  border-radius: 8px; padding: 0.3rem 0.6rem; min-height: 34px;
}
.day-nav button { cursor: pointer; }

.park-tabs { display: flex; gap: 0.35rem; flex-wrap: wrap; margin-bottom: 0.6rem; }
.park-tabs button {
  font: inherit; font-size: 0.9rem; border: 1px solid var(--border); background: var(--page);
  color: var(--ink-2); border-radius: 999px; padding: 0.3rem 0.8rem; cursor: pointer;
}
.park-tabs button[aria-selected="true"] { background: var(--ink); color: var(--surface); border-color: var(--ink); }

.specs { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 0.5rem 1rem;
         font-size: 0.85rem; padding: 0.6rem 0.75rem; border: 1px solid var(--border);
         border-radius: 10px; margin-bottom: 0.75rem; }
.specs div span { display: block; color: var(--muted); font-size: 0.75rem; }
.specs div b { font-weight: 600; font-variant-numeric: tabular-nums; }

.status-strip { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-bottom: 0.5rem; font-size: 0.85rem; }
.status-strip .st { border: 1px solid var(--border); border-radius: 8px; padding: 0.2rem 0.55rem; color: var(--ink-2); }
.status-strip .st.done::before { content: "✓ "; color: var(--good); font-weight: 700; }
.status-strip .st.wait::before { content: "… "; color: var(--muted); font-weight: 700; }
.status-strip code { font-size: 0.8rem; }

.chart-block { margin: 0.75rem 0 0; }
.chart-block figcaption { font-weight: 600; font-size: 0.92rem; }
.unit { color: var(--muted); font-weight: 400; font-size: 0.85rem; }
.chart { width: 100%; height: 320px; }
.chart.short { height: 220px; }

.table-wrap { overflow-x: auto; }
table.data { border-collapse: collapse; width: 100%; font-size: 0.88rem; font-variant-numeric: tabular-nums; }
table.data th, table.data td { padding: 0.45rem 0.6rem; text-align: right; border-bottom: 1px solid var(--grid);
                               white-space: nowrap; }
table.data th { color: var(--ink-2); font-weight: 600; font-size: 0.8rem; }
table.data th:first-child, table.data td:first-child { text-align: left; }
table.data td .sw { display: inline-block; width: 10px; height: 10px; border-radius: 3px;
                    margin-right: 0.45rem; vertical-align: -1px; }
table.data tr.baseline td { color: var(--ink-2); font-style: italic; }
td.pos { color: var(--good); } td.neg { color: var(--bad); }
.tag { font-size: 0.72rem; border: 1px solid var(--border); border-radius: 6px; padding: 0 0.3rem;
       color: var(--muted); margin-left: 0.35rem; font-style: normal; }

.events { list-style: none; margin: 0; padding: 0; max-height: 420px; overflow-y: auto; font-size: 0.86rem; }
.events li { display: grid; grid-template-columns: 7.5rem 7rem 1fr; gap: 0.6rem; padding: 0.35rem 0;
             border-bottom: 1px solid var(--grid); }
.events time { color: var(--muted); font-variant-numeric: tabular-nums; }
.events .kind { color: var(--ink-2); font-weight: 600; }
.events li.new { animation: flash 1.5s ease-out; }
@keyframes flash { from { background: color-mix(in srgb, var(--accent) 25%, transparent); } }
@media (max-width: 640px) {
  .events li { grid-template-columns: 1fr; gap: 0; }
  .chart { height: 280px; }
}

details.llm { border: 1px solid var(--border); border-radius: 10px; padding: 0.5rem 0.75rem; margin-bottom: 0.5rem; }
details.llm summary { cursor: pointer; font-size: 0.9rem; }
details.llm pre { white-space: pre-wrap; word-break: break-word; font-size: 0.78rem; max-height: 360px;
                  overflow: auto; background: var(--page); padding: 0.6rem; border-radius: 8px; }

.about p, .how { color: var(--ink-2); max-width: 85ch; }
.how li { margin-bottom: 0.35rem; }
.links { font-size: 0.88rem; color: var(--ink-2); }
.foot { color: var(--muted); font-size: 0.82rem; padding-block: 1rem 2rem; }