body {
  font-family: system-ui, sans-serif;
  margin: 0;
  background: #f5f6f8;
  color: #222;
}
header {
  padding: 12px 16px;
  background: #fff;
  border-bottom: 1px solid #e2e4e8;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
main {
  padding: 16px;
  max-width: 960px;
  margin: 0 auto;
}
.login {
  max-width: 340px;
  margin: 80px auto;
  background: #fff;
  padding: 24px;
  border-radius: 8px;
}
form label {
  display: block;
  margin-bottom: 12px;
}
form input {
  width: 100%;
  padding: 8px;
  border: 1px solid #cfd3d9;
  border-radius: 4px;
}
button {
  padding: 8px 16px;
  background: #2f6ee0;
  color: white;
  border: 0;
  border-radius: 4px;
  cursor: pointer;
}
.error {
  color: #b00020;
}
.toolbar {
  margin-bottom: 12px;
}
.btn {
  display: inline-block;
  padding: 6px 12px;
  background: #2f6ee0;
  color: white;
  text-decoration: none;
  border-radius: 4px;
}
.btn-edit {
  display: inline-block;
  padding: 4px 10px;
  background: #6c757d;
  color: white;
  text-decoration: none;
  border-radius: 4px;
  font-size: 0.85em;
  line-height: 1.7em;
}
.btn-hist {
  display: inline-block;
  padding: 4px 10px;
  background: #0e7490;
  color: white;
  text-decoration: none;
  border-radius: 4px;
  font-size: 0.85em;
  line-height: 1.7em;
}
.card {
  background: #fff;
  padding: 12px 16px;
  margin-bottom: 8px;
  border-radius: 6px;
  border-left: 4px solid #cfd3d9;
}

.card.status-green {
  border-left-color: #2e7d32;
}
.card.status-yellow {
  border-left-color: #e67e22;
}
.card.status-red {
  border-left-color: #c0392b;
}
.card.status-unknown {
  border-left-color: #999;
}
.card header {
  justify-content: start;
}

.card .dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #999;
  display: inline-block;
  vertical-align: middle;
}
.card.status-green .dot {
  background: #29cb3a;
}
.card.status-yellow .dot {
  background: #ecff00;
}
.card.status-red .dot {
  background: #ff0000;
}
.meta {
  color: #666;
  font-size: 0.9em;
}
.url {
  font-family: monospace;
  font-size: 0.9em;
  color: #333;
}
.actions {
  margin-top: 8px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.tick {
  color: #666;
  font-size: 0.85em;
  margin-left: 16px;
}
table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
}
table th,
table td {
  padding: 6px 8px;
  border-bottom: 1px solid #eee;
  text-align: left;
  vertical-align: top;
  font-size: 0.9em;
}
tr.row-red td {
  background: #fff5f5;
}
tr.row-yellow td {
  background: #fff8e1;
}
.layer-ok {
  color: #2a7a2a;
  font-weight: bold;
}
.layer-fail {
  color: #c0392b;
  font-weight: bold;
}
.legend {
  margin: 12px 0;
  padding: 10px 14px;
  background: #f8f9fa;
  border: 1px solid #e0e0e0;
  border-radius: 4px;
  font-size: 0.88em;
}
.legend summary {
  cursor: pointer;
  font-weight: bold;
  color: #555;
}
.legend dl {
  margin: 8px 0 0;
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 4px 12px;
}
.legend dt {
  font-weight: bold;
  white-space: nowrap;
}
.legend dd {
  margin: 0;
  color: #444;
}