: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: #2a78d6;
  --accent-ink: #1c5cab;
  --good: #006300;
  --bad: #d03b3b;
  --warn-bg: #fff4d6;
  --radius: 14px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --page: #0d0d0d;
    --surface: #1a1a19;
    --ink: #f0efec;
    --ink-2: #c3c2b7;
    --muted: #898781;
    --grid: #2c2c2a;
    --axis: #383835;
    --border: rgba(255, 255, 255, 0.10);
    --accent: #3987e5;
    --accent-ink: #86b6ef;
    --good: #0ca30c;
    --bad: #e66767;
    --warn-bg: #3a3014;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; background: var(--page); color: var(--ink); font: 16px/1.45 var(--font); }
body { padding: env(safe-area-inset-top) 0 calc(72px + env(safe-area-inset-bottom)); -webkit-tap-highlight-color: transparent; }
main { max-width: 760px; margin: 0 auto; padding: 16px; }
h1 { font-size: 22px; margin: 4px 0 12px; }
h2 { font-size: 17px; margin: 24px 0 8px; }
h3 { font-size: 15px; margin: 0 0 4px; }
p { margin: 6px 0; }
a { color: var(--accent-ink); }
small, .muted { color: var(--ink-2); font-size: 13px; }

.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px; margin: 10px 0; }
.card.link { display: block; color: inherit; text-decoration: none; }
.row { display: flex; gap: 8px; align-items: center; justify-content: space-between; flex-wrap: wrap; }
.stack > * + * { margin-top: 8px; }
.pill { display: inline-block; font-size: 12px; padding: 2px 8px; border-radius: 99px; border: 1px solid var(--border); color: var(--ink-2); }
.pill.on { color: var(--good); border-color: currentColor; }
.notice { background: var(--warn-bg); border-radius: 10px; padding: 10px 12px; font-size: 14px; }
.error { color: var(--bad); }

button, .button {
  font: inherit; font-size: 15px; border-radius: 10px; padding: 10px 14px; cursor: pointer;
  border: 1px solid var(--border); background: var(--surface); color: var(--ink); text-decoration: none; display: inline-block;
}
button.primary, .button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
button:disabled { opacity: .55; cursor: default; }
input, textarea, select {
  font: inherit; width: 100%; padding: 10px 12px; border-radius: 10px; border: 1px solid var(--axis);
  background: var(--surface); color: var(--ink);
}
textarea { min-height: 80px; resize: vertical; }
label { display: block; font-size: 14px; color: var(--ink-2); margin: 10px 0 4px; }

/* bottom tab bar */
nav.tabs {
  position: fixed; left: 0; right: 0; bottom: 0; display: flex; justify-content: space-around;
  background: var(--surface); border-top: 1px solid var(--border); padding: 6px 0 calc(6px + env(safe-area-inset-bottom));
}
nav.tabs a { flex: 1; text-align: center; color: var(--ink-2); text-decoration: none; font-size: 12px; padding: 4px 0; position: relative; }
nav.tabs a .ico { display: block; font-size: 20px; line-height: 1.2; }
nav.tabs a.active { color: var(--accent-ink); font-weight: 600; }
nav.tabs .badge { position: absolute; top: 0; left: 55%; background: var(--bad); color: #fff; border-radius: 99px; font-size: 11px; padding: 0 6px; }

/* stat tiles */
.tiles { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
@media (min-width: 600px) { .tiles { grid-template-columns: repeat(4, 1fr); } }
.tile { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 12px; }
.tile .label { font-size: 13px; color: var(--ink-2); }
.tile .value { font-size: 24px; font-weight: 600; margin: 2px 0; }
.tile .delta { font-size: 12px; color: var(--ink-2); }
.tile .delta.good { color: var(--good); }
.tile .delta.bad { color: var(--bad); }

/* charts */
.chart { position: relative; }
.chart svg { display: block; width: 100%; height: auto; overflow: visible; }
.chart .grid line { stroke: var(--grid); stroke-width: 1; }
.chart .baseline { stroke: var(--axis); stroke-width: 1; }
.chart text { fill: var(--muted); font: 11px var(--font); }
.chart .bar { fill: var(--accent); }
.chart .bar.dim { opacity: .35; }
.chart .hit { fill: transparent; }
.tooltip {
  position: absolute; pointer-events: none; background: var(--surface); color: var(--ink); border: 1px solid var(--border);
  border-radius: 8px; padding: 6px 8px; font-size: 12px; box-shadow: 0 4px 14px rgba(0,0,0,.15); white-space: nowrap; transform: translate(-50%, -110%);
}
.tooltip b { font-weight: 600; }

/* tables */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; font-variant-numeric: tabular-nums; }
th, td { text-align: right; padding: 7px 6px; border-bottom: 1px solid var(--grid); white-space: nowrap; }
th:first-child, td:first-child { text-align: left; white-space: normal; }
th { color: var(--ink-2); font-weight: 500; }
tr.clickable { cursor: pointer; }

/* proposals */
.proposal .actions { display: flex; gap: 8px; margin-top: 10px; }
.proposal .actions button { flex: 1; }
.md p:first-child { margin-top: 0; }
.md ul { padding-left: 20px; margin: 6px 0; }
.seg { display: inline-flex; border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
.seg button { border: 0; border-radius: 0; padding: 6px 12px; font-size: 13px; }
.seg button.on { background: var(--accent); color: #fff; }
.center { text-align: center; }
.big-cta { margin: 40px auto; max-width: 360px; text-align: center; }
.logo { font-size: 44px; }