:root {
  --bg: #f9fafb;
  --surface: #ffffff;
  --surface-muted: #f3f4f6;
  --border: #e5e7eb;
  --border-subtle: #f3f4f6;
  --text: #111827;
  --text-muted: #4b5563;
  --text-subtle: #6b7280;
  --indigo: #4f46e5;
  --indigo-hover: #4338ca;
  --nav-bg: #4f46e5;
  --ok-bg: #ecfdf5;
  --ok-border: #a7f3d0;
  --ok-text: #065f46;
  --ok-dot: #10b981;
  --warn-bg: #fffbeb;
  --warn-border: #fde68a;
  --warn-text: #92400e;
  --warn-dot: #f59e0b;
  --down-bg: #fef2f2;
  --down-border: #fecaca;
  --down-text: #991b1b;
  --down-dot: #ef4444;
  --shadow: 0 1px 2px rgba(15, 23, 42, 0.05);
}

html[data-theme="dark"] {
  --bg: #081121;
  --surface: rgba(15, 23, 42, 0.88);
  --surface-muted: rgba(30, 41, 59, 0.72);
  --border: rgba(148, 163, 184, 0.18);
  --border-subtle: rgba(148, 163, 184, 0.12);
  --text: #f1f5f9;
  --text-muted: #cbd5e1;
  --text-subtle: #94a3b8;
  --indigo: #6366f1;
  --indigo-hover: #818cf8;
  --nav-bg: linear-gradient(90deg, #1e1b4b 0%, #312e81 55%, #4338ca 100%);
  --ok-bg: rgba(16, 185, 129, 0.12);
  --ok-border: rgba(52, 211, 153, 0.35);
  --ok-text: #a7f3d0;
  --ok-dot: #10b981;
  --warn-bg: rgba(245, 158, 11, 0.12);
  --warn-border: rgba(251, 191, 36, 0.35);
  --warn-text: #fde68a;
  --warn-dot: #f59e0b;
  --down-bg: rgba(239, 68, 68, 0.14);
  --down-border: rgba(248, 113, 113, 0.38);
  --down-text: #fecaca;
  --down-dot: #ef4444;
  --shadow: 0 16px 36px rgba(2, 6, 23, 0.45);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

html[data-theme="dark"] body {
  background:
    radial-gradient(circle at top left, rgba(99, 102, 241, 0.18), transparent 34%),
    radial-gradient(circle at 85% 10%, rgba(14, 165, 233, 0.14), transparent 26%),
    linear-gradient(180deg, #081121 0%, #0b1220 46%, #0a101a 100%);
}

a {
  color: inherit;
  text-decoration: none;
}

code, .mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.hidden {
  display: none !important;
}

.container {
  width: 100%;
  max-width: 1024px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Navbar */
.app-nav {
  background: var(--nav-bg);
  color: #fff;
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.15);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4rem;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav-logo {
  width: 2.25rem;
  height: 2.25rem;
  object-fit: contain;
}

.nav-brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.nav-title {
  font-size: 1.15rem;
  font-weight: 700;
}

.nav-subtitle {
  font-size: 0.7rem;
  color: #e0e7ff;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-link {
  font-size: 0.85rem;
  font-weight: 500;
  color: #eef2ff;
  padding: 0.4rem 0.7rem;
  border-radius: 0.5rem;
  transition: background-color 0.15s ease;
}

.nav-link:hover {
  background: rgba(255, 255, 255, 0.14);
}

.icon-btn {
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  width: 2.15rem;
  height: 2.15rem;
  border-radius: 0.5rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
}

.icon-btn:hover {
  background: rgba(255, 255, 255, 0.22);
}

/* Main */
.main-content {
  padding-top: 2rem;
  padding-bottom: 3rem;
  flex: 1;
}

.page-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.page-header h1 {
  margin: 0;
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.page-lead {
  margin: 0.35rem 0 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.5rem 0.85rem;
  border-radius: 0.6rem;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background-color 0.15s ease, border-color 0.15s ease;
}

.btn-secondary {
  background: var(--surface);
  color: var(--text-muted);
  border-color: var(--border);
  box-shadow: var(--shadow);
}

.btn-secondary:hover {
  background: var(--surface-muted);
}

.btn-primary {
  background: var(--indigo);
  color: #fff;
  box-shadow: var(--shadow);
}

.btn-primary:hover {
  background: var(--indigo-hover);
}

.badge-json {
  color: var(--indigo);
  font-weight: 700;
}

/* Overall Banner */
.banner {
  border-radius: 1rem;
  padding: 1.35rem 1.5rem;
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow);
  margin-bottom: 1.25rem;
}

.banner-ok {
  background: var(--ok-bg);
  border-color: var(--ok-border);
  color: var(--ok-text);
}

.banner-degraded {
  background: var(--warn-bg);
  border-color: var(--warn-border);
  color: var(--warn-text);
}

.banner-down {
  background: var(--down-bg);
  border-color: var(--down-border);
  color: var(--down-text);
}

.banner-body {
  display: flex;
  align-items: flex-start;
  gap: 0.95rem;
}

.status-dot {
  width: 0.85rem;
  height: 0.85rem;
  border-radius: 9999px;
  margin-top: 0.3rem;
  flex-shrink: 0;
  background: var(--text-subtle);
}

.banner-ok .status-dot { background: var(--ok-dot); }
.banner-degraded .status-dot { background: var(--warn-dot); }
.banner-down .status-dot { background: var(--down-dot); }

.dot-pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.45; }
}

.banner-copy h2 {
  margin: 0;
  font-size: 1.22rem;
  font-weight: 700;
}

.banner-desc {
  margin: 0.25rem 0 0;
  font-size: 0.9rem;
  opacity: 0.92;
}

.banner-meta {
  margin: 0.45rem 0 0;
  font-size: 0.75rem;
  opacity: 0.8;
}

/* KPI Strip */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.85rem;
  margin-bottom: 1.5rem;
}

.kpi-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0.9rem;
  padding: 0.95rem 1.05rem;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.kpi-label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-subtle);
}

.kpi-value {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.kpi-sub {
  font-size: 0.75rem;
  color: var(--text-subtle);
}

/* Cards */
.section-gap {
  margin-bottom: 1.5rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 1rem;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.card-header {
  padding: 1.1rem 1.35rem;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.card-header h3 {
  margin: 0;
  font-size: 0.98rem;
  font-weight: 700;
}

.muted-text {
  margin: 0.2rem 0 0;
  font-size: 0.78rem;
  color: var(--text-subtle);
}

.card-body {
  padding: 1.25rem 1.35rem;
}

/* 30-day Uptime Bars */
.uptime-bars {
  display: grid;
  grid-template-columns: repeat(30, minmax(0, 1fr));
  gap: 4px;
  height: 36px;
  align-items: stretch;
}

.day-bar {
  border-radius: 4px;
  border: none;
  padding: 0;
  cursor: pointer;
  transition: transform 0.12s ease, opacity 0.12s ease;
  background: var(--border);
}

.day-bar:hover,
.day-bar:focus-visible {
  transform: translateY(-2px);
  outline: 2px solid var(--indigo);
  outline-offset: 1px;
}

.day-bar.bar-ok { background: var(--ok-dot); }
.day-bar.bar-degraded { background: var(--warn-dot); }
.day-bar.bar-down { background: var(--down-dot); }
.day-bar.bar-empty { background: var(--border); opacity: 0.65; }

.uptime-legend {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.65rem;
  font-size: 0.74rem;
  color: var(--text-subtle);
}

.legend-items {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.legend-items span {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.swatch {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 2px;
}

.swatch-ok { background: var(--ok-dot); }
.swatch-degraded { background: var(--warn-dot); }
.swatch-down { background: var(--down-dot); }
.swatch-empty { background: var(--border); }

.bar-tooltip {
  margin-top: 0.85rem;
  padding: 0.55rem 0.8rem;
  border-radius: 0.55rem;
  background: var(--surface-muted);
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* Components & Incidents Lists */
.divide-list > * + * {
  border-top: 1px solid var(--border-subtle);
}

.component-row {
  padding: 1.05rem 1.35rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.component-title {
  margin: 0;
  font-size: 0.92rem;
  font-weight: 700;
}

.component-sub {
  margin: 0.2rem 0 0;
  font-size: 0.78rem;
  color: var(--text-subtle);
}

.component-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.metric-chip {
  font-size: 0.75rem;
  color: var(--text-subtle);
}

.pill {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.7rem;
  border-radius: 9999px;
  font-size: 0.73rem;
  font-weight: 700;
  border: 1px solid var(--border);
}

.pill-ok {
  background: var(--ok-bg);
  border-color: var(--ok-border);
  color: var(--ok-text);
}

.pill-degraded {
  background: var(--warn-bg);
  border-color: var(--warn-border);
  color: var(--warn-text);
}

.pill-down {
  background: var(--down-bg);
  border-color: var(--down-border);
  color: var(--down-text);
}

.pill-neutral {
  background: var(--surface-muted);
  border-color: var(--border);
  color: var(--text-muted);
}

/* Latency SVG Chart */
.chart-legend {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.75rem;
  color: var(--text-subtle);
}

.chart-legend span {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.line-swatch {
  display: inline-block;
  width: 14px;
  height: 3px;
  border-radius: 2px;
}

.line-probe { background: #6366f1; }
.line-db { background: #10b981; }

.chart-wrap {
  width: 100%;
  overflow: hidden;
}

.chart-svg {
  width: 100%;
  height: 170px;
  display: block;
}

.chart-caption {
  margin-top: 0.45rem;
  display: flex;
  justify-content: space-between;
  font-size: 0.72rem;
  color: var(--text-subtle);
}

/* Incident Item */
.incident-row {
  padding: 1.05rem 1.35rem;
}

.incident-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.incident-title {
  font-size: 0.9rem;
  font-weight: 700;
}

.incident-meta {
  font-size: 0.76rem;
  color: var(--text-subtle);
  margin-top: 0.3rem;
}

.empty-state {
  padding: 1.5rem 1.35rem;
  font-size: 0.85rem;
  color: var(--text-subtle);
}

/* Footer */
.app-footer {
  margin-top: auto;
  border-top: 1px solid var(--border);
  background: var(--surface);
  padding: 1.25rem 0;
  font-size: 0.76rem;
  color: var(--text-subtle);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.footer-left {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.85rem;
}

.footer-left a:hover {
  color: var(--indigo);
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 700;
  color: var(--text);
}

.footer-dot {
  width: 8px;
  height: 8px;
  border-radius: 9999px;
  background: var(--ok-dot);
}

@media (max-width: 768px) {
  .kpi-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .hide-sm {
    display: none;
  }
}