:root {
  --bg: #0f1420;
  --card-bg: #171d2b;
  --text: #e6e9f0;
  --muted: #8a93a6;
  --up: #2ecc71;
  --down: #e74c3c;
  --accent: #4f8cff;
  --border: #262d3d;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  padding: 2rem;
}

header {
  margin-bottom: 2rem;
}

header h1 {
  margin: 0;
  font-size: 2rem;
}

.subtitle {
  color: var(--muted);
  margin: 0.25rem 0 0;
}

.stats {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem 1.5rem;
  flex: 1;
  text-align: center;
}

.stat-card.up .stat-value {
  color: var(--up);
}

.stat-card.down .stat-value {
  color: var(--down);
}

.stat-value {
  display: block;
  font-size: 2rem;
  font-weight: 700;
}

.stat-label {
  color: var(--muted);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.add-service,
.services {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.5rem;
  margin-bottom: 2rem;
}

.add-service h2,
.services h2 {
  margin-top: 0;
}

#add-form {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

#add-form input {
  flex: 1;
  min-width: 200px;
  padding: 0.6rem 0.8rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
}

button {
  padding: 0.6rem 1.2rem;
  border-radius: 6px;
  border: none;
  background: var(--accent);
  color: white;
  cursor: pointer;
  font-weight: 600;
}

button:hover {
  opacity: 0.9;
}

button.secondary {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}

.error {
  color: var(--down);
  margin: 0.5rem 0 0;
  min-height: 1.2em;
}

.services-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.services-controls {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

#search-input {
  padding: 0.5rem 0.8rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  min-width: 220px;
}

.latency-cell {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.sparkline polyline {
  fill: none;
  stroke: var(--accent);
  stroke-width: 1.5;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
}

th,
td {
  text-align: left;
  padding: 0.75rem 0.5rem;
  border-bottom: 1px solid var(--border);
}

th {
  color: var(--muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.badge {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
}

.badge.up {
  background: rgba(46, 204, 113, 0.15);
  color: var(--up);
}

.badge.down {
  background: rgba(231, 76, 60, 0.15);
  color: var(--down);
}

.badge.unknown {
  background: rgba(138, 147, 166, 0.15);
  color: var(--muted);
}

.row-actions button {
  padding: 0.35rem 0.7rem;
  font-size: 0.8rem;
  margin-right: 0.3rem;
}

.empty {
  text-align: center;
  color: var(--muted);
  padding: 2rem 0;
}