:root {
  --bg-primary: #070d18;
  --bg-surface: #0e1726;
  --bg-surface-elevated: #142033;
  --border: rgba(255, 255, 255, 0.1);
  --border-focus: #00e5ff;
  --text-primary: #f0f4f8;
  --text-secondary: #8fa3bf;
  --text-muted: #536b88;
  --accent-cyan: #00e5ff;
  --accent-blue: #2979ff;
  --accent-green: #00e676;
  --accent-amber: #ffab00;
  --accent-red: #ff3d71;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
  padding: 24px;
}

.watchdog-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.watchdog-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border);
  padding-bottom: 20px;
}

.watchdog-title h1 {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 12px;
}

.watchdog-title p {
  color: var(--text-secondary);
  font-size: 13px;
  margin-top: 4px;
}

/* KPI Scorecard */
.kpi-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.kpi-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  position: relative;
  overflow: hidden;
}

.kpi-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--accent-red);
}

.kpi-card.warning::before {
  background: var(--accent-amber);
}

.kpi-card.info::before {
  background: var(--accent-cyan);
}

.kpi-card.healthy::before {
  background: var(--accent-green);
}

.kpi-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.kpi-value {
  font-size: 32px;
  font-weight: 800;
  color: #fff;
  margin: 6px 0;
}

.kpi-sub {
  font-size: 12px;
  color: var(--text-secondary);
}

/* Alert Feed */
.content-layout {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 20px;
}

.card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.card-header h3 {
  font-size: 16px;
  font-weight: 700;
}

.alert-item {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  border-left: 4px solid var(--accent-amber);
}

.alert-item.CRITICAL, .alert-item.EMERGENCY {
  border-left-color: var(--accent-red);
}

.alert-item.WARNING {
  border-left-color: var(--accent-amber);
}

.alert-item.INFO {
  border-left-color: var(--accent-cyan);
}

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

.alert-title {
  font-size: 14px;
  font-weight: 700;
  color: #fff;
}

.badge {
  font-size: 10px;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: 4px;
  text-transform: uppercase;
}

.badge-critical {
  background: rgba(255, 61, 113, 0.2);
  color: var(--accent-red);
  border: 1px solid var(--accent-red);
}

.badge-warning {
  background: rgba(255, 171, 0, 0.2);
  color: var(--accent-amber);
  border: 1px solid var(--accent-amber);
}

.alert-rec {
  background: rgba(0, 229, 255, 0.08);
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 11px;
  color: #82b1ff;
}

.alert-sig {
  font-family: monospace;
  font-size: 10px;
  color: var(--text-muted);
}

.btn-scan {
  background: linear-gradient(135deg, #00e5ff, #2979ff);
  color: #070d18;
  font-weight: 800;
  border: none;
  cursor: pointer;
  padding: 10px 18px;
  border-radius: 8px;
}

.btn-scan:hover {
  filter: brightness(1.15);
  box-shadow: 0 0 15px rgba(0, 229, 255, 0.4);
}

/* Webhook Endpoints List */
.endpoint-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 8px;
  font-size: 12px;
}

@media (max-width: 1024px) {
  .kpi-row {
    grid-template-columns: repeat(2, 1fr);
  }
  .content-layout {
    grid-template-columns: 1fr;
  }
}