:root {
  --pulse: #d62728;
  --nopulse: #6b7f99;
  --fault: #ff7f0e;
  --ink: #1c2733;
  --line: #dfe4ea;
  --bg: #f7f8fa;
  font:
    14px/1.5 -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Roboto,
    sans-serif;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
}
a {
  color: #1f77b4;
}

header {
  padding: 12px 16px;
  background: #fff;
  border-bottom: 1px solid var(--line);
}
header h1 {
  margin: 0 0 0px;
  font-size: 22px;
}
header h2 {
  margin: 0 0 0px;
  font-size: 16px;
}
header p {
  margin: 0;
  max-width: 250ch;
  color: #445;
}

main {
  display: grid;
  grid-template-columns: 260px 1fr 340px;
  gap: 1px;
  background: var(--line);
  height: calc(92vh - 92px - 34px);
}
@media (max-width: 1000px) {
  main {
    grid-template-columns: 1fr;
    height: auto;
  }
  #map {
    height: 55vh;
  }
}

aside,
section {
  background: #fff;
  overflow-y: auto;
}
aside {
  padding: 12px 14px;
}
aside h2 {
  margin: 12px 0 8px;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #667;
}
.lbl {
  display: block;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #778;
  margin-bottom: 3px;
}
#source {
  width: 100%;
  padding: 5px 6px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  font: inherit;
}
#source-note {
  margin: 6px 0 0;
  line-height: 1.4;
}
#crosslinks {
  margin-top: 6px;
}
#crosslinks a {
  margin: 0 2px;
}
table.rec-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 8px;
  font-size: 12px;
}
table.rec-table th {
  text-align: right;
  color: #778;
  font-weight: 600;
  border-bottom: 1px solid var(--line);
  padding: 3px 5px;
}
table.rec-table th:first-child {
  text-align: left;
}
table.rec-table td {
  text-align: right;
  padding: 3px 5px;
  border-bottom: 1px solid #eef1f4;
  cursor: pointer;
}
table.rec-table td:first-child {
  text-align: left;
}
table.rec-table tr:hover td {
  background: var(--bg);
}

#event-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
#event-list li {
  padding: 7px 9px;
  border-radius: 7px;
  cursor: pointer;
  margin-bottom: 3px;
  border: 1px solid transparent;
}
#event-list li:hover {
  background: var(--bg);
}
#event-list li.active {
  background: #eef4fb;
  border-color: #cfe0f2;
}
#event-list .ev-name {
  font-weight: 600;
}
#event-list .ev-sub {
  color: #778;
  font-size: 12px;
}
#event-list .ev-badge {
  float: right;
  font-size: 11px;
  font-weight: 600;
  color: var(--pulse);
}

#map-wrap {
  position: relative;
}
#map {
  position: absolute;
  inset: 0;
}
#legend {
  position: absolute;
  left: 10px;
  bottom: 10px;
  z-index: 500;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 7px 10px;
  font-size: 12px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
#legend i {
  display: inline-block;
  vertical-align: middle;
  margin-right: 4px;
}
.dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  border: 1px solid #333;
}
.dot.pulse {
  background: var(--pulse);
}
.dot.nopulse {
  background: #fff;
}
.bar {
  width: 16px;
  height: 8px;
  border-radius: 4px;
  background: linear-gradient(90deg, #bcd, #d62728);
}
.fault {
  width: 16px;
  height: 0;
  border-top: 3px solid var(--fault);
}
.tick {
  width: 16px;
  height: 0;
  border-top: 2.5px solid var(--ink);
  box-shadow: 0 0 0 1.5px #fff;
  border-radius: 2px;
}
.ring {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  border: 2px solid var(--fault);
}

#event-head h3 {
  margin: 2px 0 2px;
  font-size: 15px;
}
#event-head .kv {
  color: #667;
  font-size: 12.5px;
}
#event-head .stat-row {
  display: flex;
  gap: 16px;
  margin: 8px 0 4px;
}
#event-head .stat b {
  font-size: 17px;
  display: block;
}
#event-head .stat span {
  font-size: 11px;
  color: #778;
}

#charts figure {
  margin: 14px 0 0;
}
#charts figcaption {
  font-size: 12px;
  color: #667;
  margin-bottom: 2px;
}
#charts canvas {
  max-height: 150px;
}

#station-detail {
  margin: 12px 0;
  border-top: 1px solid var(--line);
  padding-top: 10px;
}
#station-detail h4 {
  margin: 0 0 4px;
}
#station-detail .sd-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2px 10px;
  font-size: 12.5px;
}
#station-detail .sd-grid span:nth-child(odd) {
  color: #778;
}
#spark {
  width: 100%;
  height: 70px;
  display: block;
  margin-top: 8px;
  background: var(--bg);
  border-radius: 6px;
}

.muted {
  color: #889;
  font-size: 12px;
}
footer {
  padding: 8px 20px;
  background: #fff;
  border-top: 1px solid var(--line);
  max-width: none;
}
.leaflet-popup-content {
  font-size: 12.5px;
  margin: 8px 12px;
}
.leaflet-popup-content b {
  font-size: 13px;
}