:root {
  --bg: #ffffff; --card: #fafafa; --ink: #2b2417; --muted: #6f6453; --line: #e6dccb;
  --mel: #f5c400; --mel-dark: #a88600; --ok: #2e7d32; --alerta: #c62828; --aviso: #b26a00;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #17140f; --card: #221e17; --ink: #f3ecdf; --muted: #b3a792; --line: #3a3326;
    --mel: #f0b43c; --mel-dark: #f0b43c; --ok: #66bb6a; --alerta: #ef5350; --aviso: #ffb74d;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 17px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
header { background: #111111; color: #ffffff; padding: 10px 16px; border-bottom: 4px solid #f5c400; }
header .marca { display: flex; align-items: center; gap: 12px; color: inherit; text-decoration: none; font-weight: 800; font-size: 20px; letter-spacing: .04em; }
header .marca img { width: 40px; height: 40px; border-radius: 8px; background: #fff; flex: none; }
header small { display: block; font-weight: 400; font-size: 14px; letter-spacing: 0; color: #f5c400; }
.logo { display: block; width: min(320px, 80%); height: auto; margin: 0 auto 16px; }
main { max-width: 640px; margin: 0 auto; padding: 16px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 16px; margin: 0 0 16px; }
h1, h2 { line-height: 1.2; margin: 0 0 12px; }
label { display: block; margin: 12px 0; font-weight: 600; }
input, select { display: block; width: 100%; margin-top: 6px; padding: 12px; font-size: 17px; border: 1px solid var(--line);
  border-radius: 10px; background: var(--bg); color: var(--ink); }
button, .btn { display: block; width: 100%; padding: 14px; margin: 10px 0; border: 0; border-radius: 12px; font-size: 18px;
  font-weight: 700; background: var(--mel); color: #221a08; cursor: pointer; text-align: center; text-decoration: none; }
button.secundario, .btn.secundario { background: transparent; color: var(--ink); border: 2px solid var(--line); }
button.perigo { background: var(--alerta); color: #fff; }
button.ok { background: var(--ok); color: #fff; }
button:disabled { opacity: .5; }
.msg { color: var(--muted); }
.erro { color: var(--alerta); font-weight: 600; }
.status { display: inline-block; padding: 2px 10px; border-radius: 99px; font-size: 14px; font-weight: 700; }
.status.ok { background: color-mix(in srgb, var(--ok) 18%, transparent); color: var(--ok); }
.status.alerta { background: color-mix(in srgb, var(--alerta) 18%, transparent); color: var(--alerta); }
.status.aviso { background: color-mix(in srgb, var(--aviso) 18%, transparent); color: var(--aviso); }
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 16px; }
.grid div span { display: block; color: var(--muted); font-size: 14px; }
#map { height: 320px; border-radius: 12px; margin: 12px 0; }
.passos { color: var(--muted); font-size: 15px; }
.passos b { color: var(--ink); }
code { background: var(--bg); padding: 2px 6px; border-radius: 6px; }
.balanca { border-top: 1px solid var(--line); margin-top: 12px; padding-top: 12px; }
.balanca h3 { margin: 0 0 8px; font-size: 17px; }
.balanca h4 { margin: 16px 0 4px; font-size: 16px; }
.balanca summary { cursor: pointer; font-weight: 700; padding: 10px 0; }
.balanca ol { padding-left: 20px; }
.peso-graf { width: 100%; height: 70px; margin-top: 10px; display: block; }
.peso-graf polyline { fill: none; stroke: var(--mel); stroke-width: 2.5; vector-effect: non-scaling-stroke; stroke-linejoin: round; }
.peso-eixo { display: flex; justify-content: space-between; gap: 8px; color: var(--muted); font-size: 13px; flex-wrap: wrap; }
.aviso-txt { color: var(--aviso); font-weight: 600; }