:root {
  --bg: #f5f6f8;
  --card: #ffffff;
  --text: #1d2330;
  --muted: #6b7280;
  --border: #e3e6eb;
  --accent: #0b5cad;
  --temp: #d9480f;
  --hum: #1971c2;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 16px;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", system-ui, sans-serif;
}

header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  max-width: 1200px;
  margin: 0 auto 16px;
}

h1 { margin: 0; font-size: 22px; }
h2 { margin: 0 0 8px; font-size: 15px; font-weight: 600; }
.sub { margin: 4px 0 0; color: var(--muted); font-size: 13px; }

.controls { display: flex; align-items: center; gap: 8px; }
select, button {
  font: inherit;
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--card);
}
button { background: var(--accent); color: #fff; border-color: var(--accent); cursor: pointer; }

.banner {
  max-width: 1200px;
  margin: 0 auto 16px;
  padding: 10px 14px;
  border-radius: 6px;
  background: #fff4e5;
  border: 1px solid #ffd8a8;
  font-size: 14px;
}
.banner.error { background: #fdecec; border-color: #f5b5b5; }

.banner.ok { background: #ebfbee; border-color: #b2f2bb; }

.grid {
  display: grid;
  gap: 16px;
  max-width: 1200px;
  margin: 0 auto 16px;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
}

nav a { color: var(--accent); text-decoration: none; font-weight: 600; }
nav { display: flex; gap: 16px; align-items: center; }

/* settings forms */
h3 { margin: 0; font-size: 14px; grid-column: 1 / -1; }
.form {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 10px 14px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}
.form label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); }
.form .wide { grid-column: 1 / -1; }
.form label.check { flex-direction: row; align-items: center; gap: 8px; color: var(--text); font-size: 14px; }
.form .actions { display: flex; gap: 8px; }
input, textarea {
  font: inherit;
  color: var(--text);
  padding: 6px 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
}
button.secondary { background: var(--card); color: var(--text); border-color: var(--border); }
button.danger { background: var(--card); color: #c92a2a; border-color: #f5b5b5; }
.row-actions { display: flex; gap: 6px; justify-content: flex-end; }
.row-actions button { padding: 3px 8px; font-size: 13px; }
.mono { font-family: Consolas, monospace; font-size: 12px; }
.warn { color: #c92a2a; font-weight: 600; }

.card.wide { grid-column: 1 / -1; }
.card.block { max-width: 1200px; margin: 0 auto 16px; }
.chart { position: relative; height: 260px; }
#map { height: 400px; border-radius: 6px; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { color: var(--muted); font-weight: 600; font-size: 13px; }
tbody tr[data-mac] { cursor: pointer; }
tbody tr[data-mac]:hover { background: #f1f3f5; }
tbody tr.selected { background: #e7f0fb; }
td.bad { color: #c92a2a; font-weight: 600; }
td .sub { margin: 0; font-size: 12px; }

footer { max-width: 1200px; margin: 0 auto; }