:root {
  --bg: #f4f6f3; --surface: #fff; --ink: #18211c; --muted: #5c6b62; --line: #dfe5df;
  --brand: #0f6b4f; --brand-ink: #fff; --good-bg: #e2f3ea; --good: #0d5c43;
  --bad-bg: #fbe7e4; --bad: #a12a1c; --wait-bg: #fdf1d6; --wait: #7a5600; --off-bg: #eceeec; --off: #4c5650;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111613; --surface: #1a211d; --ink: #e8eee9; --muted: #9aa8a0; --line: #2d3731;
    --brand: #35b58c; --brand-ink: #06221a; --good-bg: #173427; --good: #7fdcb9;
    --bad-bg: #3b1d19; --bad: #f4a79c; --wait-bg: #3a2e12; --wait: #efcf80; --off-bg: #272e2a; --off: #b4bfb8;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
h1 { font-size: 1.5rem; margin: 0 0 1rem; }
h2 { font-size: 1.1rem; margin: 1.75rem 0 .6rem; }
a { color: var(--brand); }
code { font: .9em ui-monospace, Consolas, monospace; }
small { font-size: .85rem; }
.muted { color: var(--muted); }
.sandbox { background: var(--wait-bg); color: var(--wait); text-align: center; padding: .3rem 1rem; font-size: .85rem; }
.top { display: flex; align-items: center; gap: 1.25rem; padding: .7rem 1.25rem; background: var(--surface); border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.logo { font-weight: 700; color: var(--brand); }
.top nav { display: flex; gap: .15rem; flex-wrap: wrap; }
.top nav a { padding: .3rem .65rem; border-radius: 8px; text-decoration: none; color: var(--ink); }
.top nav a.active { background: var(--good-bg); color: var(--good); font-weight: 600; }
.right { margin-left: auto; }
main { margin: 0 auto; padding: 1.5rem 1rem 3rem; }
main.narrow { max-width: 30rem; }
main.wide { max-width: 72rem; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 1.1rem; }
.stack { display: flex; flex-direction: column; gap: .8rem; }
.row { display: flex; gap: .8rem; flex-wrap: wrap; align-items: flex-end; }
.row label { flex: 1 1 11rem; }
.row-buttons { display: flex; gap: .6rem; }
.row-buttons button { flex: 1; }
label { display: flex; flex-direction: column; gap: .25rem; font-size: .9rem; font-weight: 500; }
input, select { font: inherit; padding: .55rem .7rem; border: 1px solid var(--line); border-radius: 9px; background: var(--bg); color: var(--ink); width: 100%; }
input:focus-visible, select:focus-visible, button:focus-visible, a:focus-visible { outline: 2px solid var(--brand); outline-offset: 1px; }
button { font: inherit; font-weight: 600; padding: .55rem .95rem; border: 1px solid var(--line); border-radius: 9px; background: var(--surface); color: var(--ink); cursor: pointer; }
button.primary { background: var(--brand); border-color: var(--brand); color: var(--brand-ink); }
button.link { border: 0; background: none; color: var(--brand); padding: 0; font-weight: 500; text-decoration: underline; }
.flash { padding: .6rem .85rem; border-radius: 10px; margin: 0 0 1rem; }
.flash.good { background: var(--good-bg); color: var(--good); }
.flash.bad { background: var(--bad-bg); color: var(--bad); }
.block { display: block; text-decoration: none; }
.head { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; margin-bottom: 1rem; }
.head h1 { margin: 0; }
.tabs { display: flex; gap: .25rem; }
.tabs a { padding: .25rem .7rem; border-radius: 8px; text-decoration: none; color: var(--muted); }
.tabs a.active { background: var(--surface); color: var(--ink); font-weight: 600; border: 1px solid var(--line); }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); gap: .9rem; }
.stat { display: flex; flex-direction: column; gap: .2rem; }
.stat span { color: var(--muted); font-size: .9rem; }
.stat strong { font-size: 1.5rem; font-variant-numeric: tabular-nums; }
.stat small { color: var(--muted); }
.table { padding: 0; overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: .93rem; }
th { text-align: left; color: var(--muted); font-weight: 500; font-size: .85rem; }
th, td { padding: .6rem .85rem; border-bottom: 1px solid var(--line); vertical-align: top; }
tr:last-child td { border-bottom: 0; }
.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.wrap { word-break: break-all; }
.actions { display: flex; gap: .5rem; flex-wrap: wrap; }
.actions form { display: flex; gap: .4rem; }
.actions input { width: 8rem; }
.badge { display: inline-block; padding: .05rem .55rem; border-radius: 99px; font-size: .8rem; font-weight: 600; white-space: nowrap; }
.badge.ok { background: var(--good-bg); color: var(--good); }
.badge.bad { background: var(--bad-bg); color: var(--bad); }
.badge.wait { background: var(--wait-bg); color: var(--wait); }
.badge.off { background: var(--off-bg); color: var(--off); }
.balance { display: flex; flex-direction: column; gap: .15rem; }
.balance strong { font-size: 2rem; font-variant-numeric: tabular-nums; }
.secret { display: block; padding: .55rem; background: var(--bg); border-radius: 8px; word-break: break-all; }
.card-line { display: flex; justify-content: space-between; align-items: center; gap: .6rem; }
.list { display: flex; flex-direction: column; }
.line { display: flex; justify-content: space-between; gap: .75rem; padding: .6rem 0; border-bottom: 1px solid var(--line); }
.line:last-child { border-bottom: 0; }
.end { text-align: right; }