/* ── s3d observatory dark theme ────────────────────────────────────── */

:root {
  --bg-primary:   #030712;
  --bg-card:      #111827;
  --bg-card-alt:  #0a0f1a;
  --border:       #1f2937;
  --border-light: #374151;
  --text-primary: #f9fafb;
  --text-secondary: #9ca3af;
  --text-dim:     #6b7280;
  --accent:       #3b82f6;
  --accent-dim:   #1d4ed8;
  --green:        #22c55e;
  --green-dim:    #15803d;
  --yellow:       #eab308;
  --yellow-dim:   #a16207;
  --red:          #ef4444;
  --red-dim:      #b91c1c;
  --orange:       #f97316;
  --cyan:         #06b6d4;
  --mono:         'JetBrains Mono', 'Fira Code', 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
  --sans:         'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --radius:       8px;
}

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

html {
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--sans);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── Header ──────────────────────────────────────────────────────── */

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-card);
}

header h1 {
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

header .accent {
  color: var(--accent);
  font-weight: 400;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.status-badge {
  font-size: 0.75rem;
  font-family: var(--mono);
  padding: 3px 8px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.status-connected {
  background: var(--green-dim);
  color: var(--green);
}

.status-disconnected {
  background: var(--red-dim);
  color: var(--red);
}

.status-reconnecting {
  background: var(--yellow-dim);
  color: var(--yellow);
}

.stat-pill {
  font-size: 0.75rem;
  font-family: var(--mono);
  color: var(--text-secondary);
  padding: 3px 8px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 4px;
}

.clock {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--text-secondary);
  min-width: 70px;
  text-align: right;
}

/* ── Grid Layout ─────────────────────────────────────────────────── */

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding: 16px 24px;
  flex: 1;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-height: 200px;
}

.card-wide {
  grid-column: span 2;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-card-alt);
}

.card-header h2 {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
}

.card-body {
  padding: 12px 16px;
  flex: 1;
  overflow-y: auto;
}

.placeholder {
  color: var(--text-dim);
  font-style: italic;
  font-size: 0.85rem;
  text-align: center;
  padding: 40px 0;
}

/* ── Badges ──────────────────────────────────────────────────────── */

.badge {
  font-size: 0.7rem;
  font-family: var(--mono);
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 10px;
  min-width: 24px;
  text-align: center;
}

.badge-ok {
  background: var(--green-dim);
  color: var(--green);
}

.badge-warning {
  background: var(--yellow-dim);
  color: var(--yellow);
}

.badge-critical {
  background: var(--red-dim);
  color: var(--red);
}

.badge-info {
  background: rgba(59, 130, 246, 0.2);
  color: var(--accent);
}

/* ── Metric Rows ─────────────────────────────────────────────────── */

.metric-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
}

.metric-row:last-child {
  border-bottom: none;
}

.metric-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  flex: 1;
}

.metric-tags {
  font-size: 0.7rem;
  color: var(--text-dim);
  font-family: var(--mono);
  margin-left: 8px;
}

.metric-value {
  font-family: var(--mono);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  text-align: right;
  min-width: 80px;
}

.metric-value.good { color: var(--green); }
.metric-value.warn { color: var(--yellow); }
.metric-value.bad  { color: var(--red); }

/* ── Camera Card ─────────────────────────────────────────────────── */

.camera-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 12px;
}

.camera-tile {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px;
}

.camera-tile-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.camera-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--cyan);
}

.sparkline-container {
  width: 100%;
  height: 32px;
  margin-top: 8px;
}

.sparkline-container canvas {
  width: 100%;
  height: 100%;
  display: block;
}

/* ── Switch Table ───────────────────────────────────────────────── */

.switch-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
  margin: 8px 0;
}

.switch-table th {
  text-align: left;
  padding: 4px 8px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  border-bottom: 1px solid var(--border-light);
}

.switch-table td {
  padding: 4px 8px;
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border);
}

.switch-table tr:last-child td {
  border-bottom: none;
}

.switch-table td.good,
.switch-table span.good { color: var(--green); }

.switch-table td.warn,
.switch-table span.warn { color: var(--yellow); }

.switch-table td.bad,
.switch-table span.bad  { color: var(--red); }

/* ── Alert Rows ──────────────────────────────────────────────────── */

.alert-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}

.alert-row:last-child {
  border-bottom: none;
}

.alert-severity {
  width: 4px;
  min-height: 32px;
  border-radius: 2px;
  flex-shrink: 0;
}

.alert-severity.critical { background: var(--red); }
.alert-severity.warning  { background: var(--yellow); }
.alert-severity.info     { background: var(--accent); }

.alert-content {
  flex: 1;
  min-width: 0;
}

.alert-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
}

.alert-detail {
  font-size: 0.75rem;
  font-family: var(--mono);
  color: var(--text-dim);
  margin-top: 2px;
}

.alert-time {
  font-size: 0.7rem;
  font-family: var(--mono);
  color: var(--text-dim);
  white-space: nowrap;
  flex-shrink: 0;
}

/* ── Overview Stats ──────────────────────────────────────────────── */

.overview-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.overview-stat {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px;
  text-align: center;
}

.overview-stat-value {
  font-family: var(--mono);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
}

.overview-stat-label {
  font-size: 0.7rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 4px;
}

/* ── Audit Rows ──────────────────────────────────────────────────── */

.audit-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 5px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.8rem;
}

.audit-row:last-child {
  border-bottom: none;
}

.audit-label {
  color: var(--text-secondary);
}

.audit-value {
  font-family: var(--mono);
  color: var(--text-primary);
}

/* ── Footer ──────────────────────────────────────────────────────── */

footer {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px 24px;
  border-top: 1px solid var(--border);
  font-size: 0.75rem;
  color: var(--text-dim);
  gap: 8px;
}

footer a {
  color: var(--accent);
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}

.separator {
  color: var(--border-light);
}

/* ── Scrollbar ───────────────────────────────────────────────────── */

::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--bg-card);
}

::-webkit-scrollbar-thumb {
  background: var(--border-light);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-dim);
}

/* ── Responsive ──────────────────────────────────────────────────── */

@media (max-width: 1200px) {
  .grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .card-wide {
    grid-column: span 2;
  }
}

@media (max-width: 768px) {
  .grid {
    grid-template-columns: 1fr;
    padding: 12px;
  }
  .card-wide {
    grid-column: span 1;
  }
  header {
    flex-direction: column;
    gap: 8px;
  }
  .camera-grid {
    grid-template-columns: 1fr;
  }
}