:root {
  --bg: #f6f7f5; --surface: #fff; --ink: #17201c; --muted: #66706b; --line: #e3e6e2;
  --accent: #1f5c4a; --accent-ink: #fff; --good: #2f8f5b; --bad: #c2412d; --warn: #b7791f;
  --bar: #2f7a63; --bar2: #9fd3bd; --grid: #e9ece8;
  color-scheme: light;
  font: 14px/1.45 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
/* Follows the OS until the header button sets data-theme (see static/theme.js). */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) { color-scheme: dark; --bg: #111614; --surface: #19201d; --ink: #e5ebe7; --muted: #95a19b; --line: #2a332f;
    --accent: #6cc3a2; --accent-ink: #0e1512; --bar: #5fb394; --bar2: #2c5c4b; --grid: #26302b; }
}
:root[data-theme="dark"] { color-scheme: dark; --bg: #111614; --surface: #19201d; --ink: #e5ebe7; --muted: #95a19b; --line: #2a332f;
  --accent: #6cc3a2; --accent-ink: #0e1512; --bar: #5fb394; --bar2: #2c5c4b; --grid: #26302b; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 22px; margin: 8px 0 16px; }
h2 { font-size: 13px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin: 28px 0 10px; }
h3 { font-size: 15px; margin: 0 0 10px; }
code, .mono { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; font-size: 12.5px; }
.muted { color: var(--muted); } .small { font-size: 12px; } .b { font-weight: 600; }

.top { display: flex; align-items: center; gap: 24px; padding: 10px 24px; background: var(--surface);
  border-bottom: 1px solid var(--line); flex-wrap: wrap; position: sticky; top: 0; z-index: 2; }
.brand { font-weight: 700; color: var(--ink); letter-spacing: -.01em; }
.brand span { font-weight: 400; color: var(--muted); }
nav { display: flex; gap: 4px; flex: 1; flex-wrap: wrap; }
nav a { padding: 6px 10px; border-radius: 6px; color: var(--muted); }
nav a.on, nav a:hover { background: var(--bg); color: var(--ink); text-decoration: none; }
.me { display: flex; gap: 8px; align-items: center; }

main { max-width: 1180px; margin: 0 auto; padding: 16px 24px 48px; }
main.narrow { max-width: 420px; padding-top: 10vh; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 16px 18px; margin: 0 0 16px; }
.narrow-card { max-width: 460px; }
.auth h1 { margin-top: 0; }
.headrow { display: flex; justify-content: space-between; align-items: center; }

.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; margin-bottom: 16px; }
.tile { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; }
.tile .k { font-size: 12px; color: var(--muted); }
.tile .v { font-size: 24px; font-weight: 650; margin: 2px 0; font-variant-numeric: tabular-nums; }
.tile .v.small { font-size: 14px; margin-top: 8px; word-break: break-all; }
.tile .s { font-size: 12px; color: var(--muted); }
.grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 16px; }
meter { width: 100%; height: 8px; margin-top: 6px; display: block; }

table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
th, td { text-align: left; padding: 7px 8px; border-bottom: 1px solid var(--line); vertical-align: middle; }
th { font-size: 12px; font-weight: 600; color: var(--muted); }
td.r, th.r { text-align: right; }
td.warn { color: var(--warn); font-weight: 600; }
tr.total td { border-top: 2px solid var(--line); font-weight: 600; }
tr.off td { opacity: .45; }
.scroll { overflow-x: auto; }
.actions { white-space: nowrap; }

.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; }
.dot.good { background: var(--good); } .dot.bad { background: var(--bad); }
.pill { font-size: 11px; padding: 2px 8px; border-radius: 99px; background: var(--bg); border: 1px solid var(--line); }
.pill.admin { color: var(--accent); border-color: var(--accent); }

label { display: block; margin: 0 0 12px; font-size: 13px; color: var(--muted); }
input, select { display: block; width: 100%; margin-top: 4px; padding: 8px 10px; font: inherit; color: var(--ink);
  background: var(--bg); border: 1px solid var(--line); border-radius: 6px; }
form.row { display: flex; gap: 12px; align-items: flex-end; flex-wrap: wrap; }
form.row label { flex: 1; min-width: 160px; margin: 0; }
form.inline { display: inline; }
form.inline select { display: inline-block; width: auto; margin: 0; }
button { font: inherit; padding: 8px 14px; border-radius: 6px; border: 0; background: var(--accent); color: var(--accent-ink); cursor: pointer; font-weight: 600; }
button.ghost { background: transparent; color: var(--accent); border: 1px solid var(--line); padding: 4px 8px; font-size: 12px; font-weight: 500; }
button.ghost.danger { color: var(--bad); }
button.link { background: none; color: var(--muted); padding: 0; font-weight: 400; }

.flash { padding: 10px 14px; border-radius: 8px; margin-bottom: 12px; border: 1px solid var(--line); background: var(--surface); }
.flash.ok { border-color: var(--good); } .flash.err { border-color: var(--bad); color: var(--bad); }
.flash.warn { border-color: var(--warn); }
.flash.secret { border-color: var(--warn); font-family: ui-monospace, Menlo, monospace; font-size: 13px; }

.qr { background: #fff; padding: 12px; border-radius: 8px; width: max-content; margin: 8px 0; }
.chart { width: 100%; height: auto; max-height: 220px; }
.chart .bar { fill: var(--bar); } .chart .bar:hover { fill: var(--accent); }
.chart .grid { stroke: var(--grid); stroke-width: 1; }
.chart .axis { fill: var(--muted); font-size: 10px; }

@media (max-width: 640px) { .top { padding: 10px 16px; gap: 10px; } main { padding: 12px 16px 40px; } }
.chart .bar2 { fill: var(--bar2); }
.legend { font-size: 12px; color: var(--muted); margin: 6px 0 0; display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.sw { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-left: 6px; }
.sw.cost { background: var(--bar); } .sw.margin { background: var(--bar2); }
td.pos { color: var(--good); } td.neg { color: var(--bad); }