:root {
  --bg: #0f1216;
  --panel: #171c22;
  --panel-2: #1e242c;
  --text: #e7edf3;
  --muted: #93a1b0;
  --accent: #3ea6ff;
  --danger: #ff6b6b;
  --radius: 10px;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
h1, h2 { margin: 0 0 .5rem; font-weight: 600; }
h2 { font-size: 1rem; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; }
code { background: var(--panel-2); padding: .1rem .35rem; border-radius: 4px; }
.muted { color: var(--muted); }
.small { font-size: .82rem; }
.error { color: var(--danger); margin: .25rem 0; }
.centered { min-height: 100vh; display: grid; place-items: center; padding: 1rem; }
.card {
  background: var(--panel);
  border: 1px solid #232a33;
  border-radius: var(--radius);
  padding: 1rem;
}
.login { width: min(360px, 92vw); display: grid; gap: .75rem; }
.login label { display: grid; gap: .3rem; font-size: .85rem; color: var(--muted); }
input, select, button {
  font: inherit; color: var(--text); background: var(--panel-2);
  border: 1px solid #2c3541; border-radius: 8px; padding: .55rem .7rem;
}
button { cursor: pointer; background: var(--accent); border-color: var(--accent); color: #06121d; font-weight: 600; }
button.secondary { background: transparent; color: var(--accent); }
button.link { background: none; border: none; color: var(--muted); text-decoration: underline; padding: 0; }
.topbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: .75rem 1rem; background: var(--panel); border-bottom: 1px solid #232a33;
}
.brand { font-weight: 700; letter-spacing: .04em; }
.topbar-right { display: flex; gap: .75rem; align-items: center; }
.wrap { max-width: 1100px; margin: 0 auto; padding: 1rem; display: grid; gap: 1rem; }
.row { display: flex; gap: 1rem; flex-wrap: wrap; }
.card.inline { flex: 1 1 auto; display: flex; gap: 1rem; align-items: center; flex-wrap: wrap; }
.periods { display: flex; gap: .5rem; flex-wrap: wrap; }
.periods button { background: var(--panel); border-color: #2c3541; color: var(--muted); }
.periods button.active { background: var(--accent); border-color: var(--accent); color: #06121d; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: .75rem; }
.metric-value { font-size: 1.6rem; font-weight: 700; }
.metric-value .unit { font-size: .9rem; color: var(--muted); font-weight: 500; }
.map-card { padding: .5rem; }
#map { height: 420px; border-radius: 8px; background: #0b0e11; }
.map-meta { padding: .5rem .25rem 0; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: .4rem .3rem; border-bottom: 1px solid #232a33; font-size: .9rem; }
@media (max-width: 640px) { #map { height: 300px; } }