:root {
  --bg: #f6f6f4;
  --card: #ffffff;
  --text: #1d1d1b;
  --muted: #6b6b66;
  --line: #e3e3de;
  --accent: #2f6f62;
  --accent-text: #ffffff;
  --danger: #b3412f;
  --chart-1: #2f6f62;
  --chart-2: #c0793b;
  --chart-3: #5a6fb0;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #151615;
    --card: #1e201f;
    --text: #e9e9e4;
    --muted: #9a9b95;
    --line: #2f312f;
    --accent: #6cb8a6;
    --accent-text: #0f1a17;
    --danger: #e0806f;
    --chart-1: #6cb8a6;
    --chart-2: #e2a56b;
    --chart-3: #93a6e6;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
h1 { font-size: 1.5rem; margin: 0 0 1rem; }
h2 { font-size: 1.1rem; margin: 0 0 .8rem; }
h3 { font-size: .95rem; margin: 1rem 0 .5rem; }
p { margin: .4rem 0; }
.muted { color: var(--muted); font-size: .9rem; }
.error { color: var(--danger); min-height: 1.2em; }
.ok { color: var(--accent); min-height: 1.2em; }

header {
  display: flex; flex-wrap: wrap; align-items: center; gap: .6rem 1.2rem;
  padding: .8rem 16px; background: var(--card); border-bottom: 1px solid var(--line);
}
header nav { display: flex; gap: .2rem; flex-wrap: wrap; }
header nav button { background: none; color: var(--muted); border: 0; padding: .35rem .6rem; border-radius: 6px; }
header nav button.active { color: var(--text); background: var(--bg); }
header select, td select { width: auto; display: inline-block; margin: 0; padding: .3rem .5rem; }
#logout { margin-left: auto; }

main { max-width: 1050px; margin: 0 auto; padding: 16px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 1rem 1.1rem; margin-bottom: 16px; }
.narrow { max-width: 460px; }
#login .narrow { margin: 12vh auto 0; }

label { display: block; margin-bottom: .7rem; font-size: .9rem; color: var(--muted); }
label.check { display: flex; align-items: center; gap: .5rem; }
input, select {
  display: block; width: 100%; margin-top: .25rem; padding: .5rem .6rem;
  font: inherit; color: var(--text); background: var(--bg);
  border: 1px solid var(--line); border-radius: 6px;
}
label.check input { width: auto; margin: 0; }
button {
  font: inherit; cursor: pointer; padding: .5rem 1rem; border-radius: 6px;
  border: 1px solid var(--accent); background: var(--accent); color: var(--accent-text);
}
button.link { background: none; border: 0; color: var(--accent); padding: .3rem .4rem; }
button.danger, .danger { color: var(--danger); }
button.small { padding: .2rem .55rem; font-size: .85rem; background: none; color: var(--accent); }

table { width: 100%; border-collapse: collapse; font-size: .92rem; }
th, td { text-align: left; padding: .45rem .5rem; border-bottom: 1px solid var(--line); white-space: nowrap; }
th { color: var(--muted); font-weight: 500; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
.table-scroll { overflow-x: auto; }

.latest-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: .4rem 1.2rem; margin-bottom: .8rem; }
.big { font-size: 2.6rem; font-weight: 600; font-variant-numeric: tabular-nums; }
.cols { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 720px) { .cols { grid-template-columns: 1fr; } }
.chart-wrap { position: relative; height: 280px; }

dialog { border: 1px solid var(--line); border-radius: 10px; background: var(--card); color: var(--text); max-width: min(560px, calc(100vw - 32px)); }
dialog::backdrop { background: rgba(0, 0, 0, .4); }
dialog menu { display: flex; gap: .5rem; justify-content: flex-end; padding: 0; margin: 1rem 0 0; }
dialog menu .danger { margin-right: auto; }
#qr { background: #fff; padding: 12px; width: fit-content; margin: .8rem 0; border-radius: 6px; }
#config-link { word-break: break-all; color: var(--accent); }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 .8rem; }
.grid5 { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0 .5rem; }
.grid5 label { font-size: .8rem; }
@media (max-width: 520px) { .grid2, .grid5 { grid-template-columns: 1fr 1fr; } }