:root {
  --page: #f9f9f7;
  --surface: #fcfcfb;
  --ink: #0b0b0b;
  --muted: #52514e;
  --line: #dddcd6;
  --accent: #256abf;
  --on-accent: #fff;
  --danger: #b92f2f;
  --warn-bg: #fdf0cf;
  --error-bg: #fbe0e0;
  --ok-bg: #dff3e6;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --page: #0d0d0d;
    --surface: #1a1a19;
    --ink: #f0efec;
    --muted: #c3c2b7;
    --line: #383835;
    --accent: #6da7ec;
    --on-accent: #0d0d0d;
    --danger: #e66767;
    --warn-bg: #4a3a0c;
    --error-bg: #4d1c1c;
    --ok-bg: #173a25;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font: 16px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
main { max-width: 46rem; margin: 0 auto; padding: 1rem; }
h1 { font-size: 1.5rem; margin: .5rem 0 1rem; }
h2 { font-size: 1.05rem; margin: 1.75rem 0 .5rem; }
a { color: var(--accent); }
small.note { display: block; color: var(--muted); font-size: .8rem; }
.muted { color: var(--muted); font-size: .9rem; }

nav {
  display: flex; flex-wrap: wrap; gap: .25rem 1rem; align-items: center;
  padding: .6rem max(1rem, (100% - 44rem) / 2); background: var(--surface); border-bottom: 1px solid var(--line);
}
nav a, nav button.link { padding: .35rem 0; text-decoration: none; font-weight: 600; }
nav a[aria-current] { color: var(--ink); box-shadow: 0 2px var(--accent); }
nav form { margin-left: auto; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); gap: .75rem; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: .9rem 1rem; }
.card h2 { margin: 0; font-size: .85rem; font-weight: 600; color: var(--muted); }
.card p { margin: .1rem 0 0; color: var(--muted); font-size: .9rem; }
.card .big { color: var(--ink); font-size: 2rem; font-weight: 700; font-variant-numeric: tabular-nums; }

table { width: 100%; border-collapse: collapse; font-size: .92rem; }
th, td { padding: .5rem .35rem; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 600; font-size: .8rem; }
tbody th { font-size: .92rem; font-weight: 400; }
.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.nowrap { white-space: nowrap; }
td:not(.num, .nowrap) { overflow-wrap: anywhere; }
td form { margin: 0; }
/* Taller tap area for the row links without making the rows taller. */
td > a, td button.link { display: inline-block; margin: -.4rem 0; padding: .4rem 0 .4rem .5rem; }
.dot { width: .65rem; height: .65rem; margin-right: .4rem; vertical-align: baseline; }

.stack { display: grid; gap: .8rem; }
.narrow { max-width: 24rem; margin-top: 1rem; }
.row { display: flex; flex-wrap: wrap; gap: .75rem; align-items: end; }
.row > label { flex: 1 1 8rem; }
.actions { display: flex; flex-wrap: wrap; gap: .6rem; margin: 1rem 0; }
label { display: grid; gap: .25rem; font-size: .9rem; font-weight: 600; }
label.check { display: flex; gap: .5rem; align-items: center; font-weight: 400; }
input, select {
  width: 100%; padding: .6rem .65rem; font: inherit;
  color: var(--ink); background: var(--surface); border: 1px solid var(--line); border-radius: 8px;
}
input[type=checkbox], input[type=radio] { width: auto; }
input[type=color] { padding: .15rem; height: 2.6rem; }
fieldset { border: 1px solid var(--line); border-radius: 8px; padding: .75rem; display: grid; gap: .7rem; margin: 0; }
fieldset[hidden] { display: none; }
legend { font-size: .8rem; color: var(--muted); padding: 0 .3rem; }

.btn {
  display: inline-block; padding: .6rem 1rem; font: inherit; font-weight: 600; text-decoration: none; cursor: pointer;
  color: var(--ink); background: var(--surface); border: 1px solid var(--line); border-radius: 8px;
}
.btn.primary { color: var(--on-accent); background: var(--accent); border-color: var(--accent); }
.btn.danger { color: var(--danger); }
button.link { padding: 0; font: inherit; color: var(--accent); background: none; border: 0; cursor: pointer; text-decoration: underline; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.flash { margin: 0 0 .75rem; padding: .6rem .8rem; border-radius: 8px; background: var(--ok-bg); }
.flash.error { background: var(--error-bg); }
.flash.warning { background: var(--warn-bg); }

.chart { position: relative; height: 18rem; background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: .5rem; }