:root {
  --bg: #0b1420;
  --panel: #111d2e;
  --panel-2: #16263b;
  --ink: #e7ecf1;
  --ink-soft: #8ea0b5;
  --accent: #7dd3fc;
  --good: #6fd6a8;
  --bad: #f87171;
  --line: #1e2f45;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
}
* { box-sizing: border-box; }
html { font-size: 112%; }
html, body { margin: 0; }
body {
  background: radial-gradient(ellipse at top, #15263c 0%, var(--bg) 55%);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.6;
  min-height: 100vh;
}
.wrap {
  max-width: 980px;
  margin: 0 auto;
  padding: 40px 20px 80px;
}
header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 16px;
  margin-bottom: 14px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}
header .brand {
  color: var(--ink);
  text-decoration: none;
  font-size: 1.4rem;
  font-weight: 700;
}
header .tagline {
  color: var(--ink-soft);
  font-size: 0.85rem;
  font-style: italic;
}
p.updated {
  color: var(--ink-soft);
  font-size: 0.82rem;
  margin: 0 0 24px;
}
.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  margin-bottom: 28px;
}
.summary-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px 18px;
  text-align: center;
}
.summary-value {
  font-size: 1.6rem;
  font-weight: 700;
}
.summary-value.good { color: var(--good); }
.summary-value.bad { color: var(--bad); }
.summary-label {
  color: var(--ink-soft);
  font-size: 0.78rem;
  margin-top: 4px;
}
.filter-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.filter-row label {
  color: var(--ink-soft);
  font-size: 0.9rem;
}
select, input[type="text"] {
  background: var(--panel-2);
  border: 1px solid var(--line);
  color: var(--ink);
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 0.92rem;
  font-family: inherit;
}
select:focus, input:focus { outline: 2px solid var(--accent); }
canvas#chart {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px;
  margin-bottom: 36px;
  max-height: 380px;
}
canvas#barChart {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px;
  margin-top: 12px;
  max-height: 500px;
}
h2 {
  font-size: 1.15rem;
  margin: 0 0 12px;
}
input#search {
  width: 100%;
  margin-bottom: 12px;
}
table.embalses-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
  margin-bottom: 20px;
}
table.embalses-table th {
  text-align: left;
  color: var(--ink-soft);
  font-weight: 400;
  padding: 8px 10px;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  background: var(--bg);
}
table.embalses-table td {
  padding: 7px 10px;
  border-bottom: 1px solid var(--panel-2);
}
table.embalses-table tbody {
  display: block;
  max-height: 420px;
  overflow-y: auto;
}
table.embalses-table thead, table.embalses-table tbody tr {
  display: table;
  width: 100%;
  table-layout: fixed;
}