[hidden] { display: none !important; }
:root {
  --bg: #f4f6f8; --card: #fff; --text: #1d2329; --muted: #66717d;
  --line: #dde2e7; --primary: #0b6bcb; --primary-text: #fff;
  --ok: #1a7f37; --bad: #c62828; --warn: #b26a00;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111518; --card: #1b2126; --text: #e6eaee; --muted: #9aa5b1;
    --line: #2d353c; --primary: #3d8fe0; --ok: #4cc06a; --bad: #ef6b6b; --warn: #e0a440;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
body.center { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
header { display: flex; justify-content: space-between; align-items: flex-start;
  padding: 16px; max-width: 760px; margin: 0 auto; }
h1 { font-size: 22px; margin: 0 0 6px; }
h2 { font-size: 17px; margin: 0; }
main { max-width: 760px; margin: 0 auto; padding: 0 16px 32px; display: grid; grid-template-columns: minmax(0, 1fr); gap: 16px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px; }
.login { width: 100%; max-width: 340px; display: grid; gap: 12px; }
.row { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; margin-bottom: 12px; }
.muted { color: var(--muted); font-size: 14px; }
.error { color: var(--bad); margin: 0; }
a { color: var(--primary); }
button, input, textarea { font: inherit; color: inherit; }
input, textarea { width: 100%; padding: 10px; border: 1px solid var(--line);
  border-radius: 8px; background: var(--bg); }
button { padding: 10px 14px; border-radius: 8px; border: 1px solid var(--line);
  background: var(--bg); cursor: pointer; }
button.primary { background: var(--primary); color: var(--primary-text); border-color: var(--primary); }
button.big { width: 100%; padding: 16px; font-size: 18px; font-weight: 600; }
button:disabled { opacity: .55; cursor: wait; }
.buttons { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.pill { display: inline-block; font-size: 13px; padding: 2px 10px; border-radius: 99px;
  border: 1px solid currentColor; }
.pill.ok { color: var(--ok); } .pill.off { color: var(--muted); } .pill.warn { color: var(--warn); }
.values { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; margin-bottom: 12px; }
.value { border: 1px solid var(--line); border-radius: 10px; padding: 10px; }
.value label { display: block; font-size: 13px; color: var(--muted); }
.value input { font-size: 20px; font-weight: 600; padding: 6px 8px; margin-top: 4px; }
.value.bad input { border-color: var(--bad); }
.value .unit { font-size: 13px; color: var(--muted); }
#latestImg { width: 100%; border-radius: 8px; border: 1px solid var(--line); margin-bottom: 12px; }
label[for=message] { display: block; font-size: 14px; color: var(--muted); margin-bottom: 4px; }
.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: 14px; }
th, td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--line); white-space: nowrap; }
th { color: var(--muted); font-weight: 500; }
.pills { display: flex; flex-wrap: wrap; gap: 6px; }
.recipients { display: grid; gap: 6px; margin-top: 10px; }
.recipients label { display: flex; align-items: center; gap: 8px; }
.recipients input { width: auto; }
details summary { cursor: pointer; color: var(--muted); font-size: 14px; margin: 10px 0; }
.status-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 8px; margin-bottom: 8px; }
.status-item { border: 1px solid var(--line); border-radius: 10px; padding: 8px 10px; }
.status-item b { display: block; font-size: 13px; color: var(--muted); font-weight: 500; }
.status-item.ok { border-color: var(--ok); } .status-item.warn { border-color: var(--warn); } .status-item.bad { border-color: var(--bad); }
.pump-grid { display: grid; grid-template-columns: auto 1fr 1fr 1fr; gap: 6px; align-items: center; margin: 10px 0; }
.pump-grid button.on { background: var(--ok); color: #fff; border-color: var(--ok); }
pre.log { background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 10px;
  font-size: 12px; max-height: 320px; overflow: auto; white-space: pre-wrap; word-break: break-word; }
table.settings td { white-space: normal; vertical-align: middle; }
table.settings td:first-child { color: var(--muted); font-size: 13px; }
table.settings input { padding: 6px 8px; min-width: 90px; }
table.settings .inline { display: flex; gap: 6px; }
table.settings .inline button { white-space: nowrap; padding: 6px 10px; }
.checks { display: grid; gap: 6px; margin-top: 10px; }
.checks label { display: flex; align-items: center; gap: 8px; }
.checks input { width: auto; }
.values.two-col { grid-template-columns: 1fr 1fr; grid-auto-flow: column; grid-template-rows: repeat(3, auto); }
h3.sub { font-size: 15px; margin: 14px 0 8px; }
label.field { display: grid; gap: 4px; margin: 10px 0; font-size: 14px; }
.tabs { display: flex; gap: 6px; margin: 14px 0 8px; }
.tabs button.on { background: var(--primary); color: #fff; border-color: transparent; }
.fields { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 10px; }
.fields label { display: flex; align-items: center; gap: 6px; font-size: 14px; }
.fields input, .checks input { width: auto; }
.group-tag { color: #b42318; font-size: 12px; margin-left: 4px; }