:root {
  color-scheme: light;
  --paper: #f3efe6;
  --ink: #1c1915;
  --muted: #6d6458;
  --line: #e3dacb;
  --card: #fffdf8;
  --green: #0e6b52;
  --green-soft: #e5f4ee;
  --amber: #8a5a12;
  --amber-soft: #f8efd8;
  --red: #8f2d2d;
  --red-soft: #f8e6e4;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", system-ui, sans-serif;
  background: var(--paper);
  color: var(--ink);
}
.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 22px;
  border-bottom: 1px solid var(--line);
}
.muted { color: var(--muted); margin-left: 8px; font-size: 0.92rem; }
main { padding: 22px; max-width: 1100px; margin: 0 auto; }
.login {
  max-width: 380px;
  margin: 8vh auto;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 22px;
}
label { display: block; margin: 12px 0 6px; color: var(--muted); font-size: 0.82rem; }
input, textarea {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  font: inherit;
}
textarea { min-height: 74px; font-family: ui-monospace, Consolas, monospace; font-size: 0.86rem; }
button {
  border: 0;
  border-radius: 10px;
  padding: 10px 14px;
  font-weight: 700;
  cursor: pointer;
  background: var(--green);
  color: white;
}
button.ghost, a.ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
  text-decoration: none;
  display: inline-block;
}
a.link { padding: 10px 14px; border-radius: 10px; font-weight: 700; }
[hidden] { display: none !important; }
button.warn { background: transparent; color: var(--red); border: 1px solid #e7c8c4; }
.err { color: var(--red); min-height: 1.2em; }
.grid { display: grid; gap: 14px; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px;
}
.row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
h2 { margin: 0 0 10px; font-size: 1rem; }
.mac { font-family: ui-monospace, Consolas, monospace; font-size: 0.86rem; }
pre {
  margin: 8px 0 0;
  padding: 10px;
  background: #f7f3ea;
  border-radius: 10px;
  overflow: auto;
  font-size: 0.8rem;
}
.pill {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 999px;
}
.on { background: var(--green-soft); color: var(--green); }
.off { background: var(--amber-soft); color: var(--amber); }
.bad { background: var(--red-soft); color: var(--red); }
.section { margin-top: 22px; }
.call { display: grid; grid-template-columns: 140px 1fr auto; gap: 8px; margin-top: 10px; }
@media (max-width: 720px) {
  .call { grid-template-columns: 1fr; }
}
.pump {
  max-width: 420px;
  margin: 4vh auto;
  text-align: center;
}
.pump h1 { margin: 0 0 6px; font-size: 1.6rem; }
.gauge {
  width: 180px;
  height: 180px;
  margin: 22px auto;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 1.35rem;
  font-weight: 800;
  background: var(--amber-soft);
  color: var(--amber);
  border: 8px solid #f3e4c2;
}
.gauge.ligada { background: var(--green-soft); color: var(--green); border-color: #c9eadc; }
.gauge.desligada { background: #f3efe6; color: var(--muted); border-color: var(--line); }
.gauge.fora { background: var(--red-soft); color: var(--red); border-color: #f0d0cc; }
.actions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.actions button { padding: 16px 12px; font-size: 1.05rem; }
.actions button.off { background: var(--red); }
.actions button:disabled { opacity: 0.45; cursor: default; }