:root {
  --bg: #0f172a;
  --panel: #111827;
  --muted: #9ca3af;
  --text: #e5e7eb;
  --ok: #16a34a;
  --nok: #dc2626;
  --unknown: #f59e0b;
  --border: #1f2937;
  --accent: #38bdf8;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  font-family: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
}

.page {
  min-height: 100vh;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background: #0b1322;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand {
  font-size: 18px;
  font-weight: 700;
}

.connection {
  font-weight: 600;
}

.connection.ok { color: var(--ok); }
.connection.warn { color: var(--unknown); }
.connection.err { color: var(--nok); }

.time-window select,
.filters select,
.camera-controls input {
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 6px 10px;
  border-radius: 6px;
}

button {
  background: var(--accent);
  color: #0b1322;
  border: none;
  padding: 8px 12px;
  border-radius: 8px;
  font-weight: 700;
  cursor: pointer;
}

button:hover {
  filter: brightness(1.05);
}

.layout {
  padding: 16px 20px 40px;
}

.kpi-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.kpi-card {
  position: relative;
  padding: 16px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.02));
  border: 1px solid var(--border);
  border-left: 6px solid var(--muted);
  border-radius: 12px;
  box-shadow: var(--shadow);
}

.kpi-card.ok { border-left-color: var(--ok); }
.kpi-card.nok { border-left-color: var(--nok); }
.kpi-card.unknown { border-left-color: var(--unknown); }

.kpi-title {
  color: var(--muted);
  font-size: 14px;
  margin: 0 0 4px;
}

.kpi-value {
  font-size: 36px;
  font-weight: 800;
  margin: 0;
}

.kpi-sub {
  color: var(--muted);
  margin-top: 6px;
  font-size: 14px;
}

.content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 16px;
}

.feed-panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  min-height: 70vh;
}

.panel-header {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.filters {
  display: flex;
  align-items: center;
  gap: 8px;
}

.checkbox {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--muted);
}

.feed {
  flex: 1;
  overflow-y: auto;
  padding: 10px 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.feed-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 12px;
  background: #0c1526;
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  transition: border 0.2s ease, transform 0.2s ease;
}

.feed-item:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
}

.status-pill {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--muted);
}

.status-pill.ok { background: var(--ok); }
.status-pill.nok { background: var(--nok); }
.status-pill.unknown { background: var(--unknown); }

.info .meta {
  display: flex;
  gap: 10px;
  font-size: 14px;
  color: var(--muted);
}

.info .status-text {
  font-size: 18px;
  font-weight: 700;
}

.confidence {
  font-size: 14px;
  color: var(--muted);
}

.thumb {
  width: 64px;
  height: 48px;
  border-radius: 8px;
  background: #0d1a32;
  border: 1px solid var(--border);
  display: grid;
  place-items: center;
  overflow: hidden;
}

.thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.side-panel {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow);
}

.alerts {
  padding: 12px 16px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.alert {
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  font-weight: 600;
}

.alert.ok { background: rgba(22, 163, 74, 0.1); }
.alert.warn { background: rgba(245, 158, 11, 0.15); }
.alert.err { background: rgba(220, 38, 38, 0.18); }

.chart {
  padding: 12px 16px 16px;
  min-height: 140px;
  display: flex;
  align-items: flex-end;
  gap: 4px;
}

.chart.empty {
  color: var(--muted);
  align-items: center;
  justify-content: center;
}

.bar {
  width: 12px;
  background: var(--border);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  border-radius: 4px 4px 0 0;
  overflow: hidden;
}

.bar .segment.ok { background: var(--ok); }
.bar .segment.nok { background: var(--nok); }
.bar .segment.unknown { background: var(--unknown); }

.chart-legend {
  padding: 0 16px 12px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-size: 14px;
}

.dot {
  width: 10px;
  height: 10px;
  display: inline-block;
  border-radius: 50%;
}

.dot.ok { background: var(--ok); }
.dot.nok { background: var(--nok); }
.dot.unknown { background: var(--unknown); }

.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(2px);
}

.modal-content {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  max-width: 760px;
  width: 90%;
  box-shadow: var(--shadow);
  position: relative;
}

.modal-body img {
  max-width: 100%;
  border-radius: 8px;
  border: 1px solid var(--border);
}

.close {
  position: absolute;
  top: 10px;
  right: 10px;
  background: transparent;
  border: none;
  color: var(--text);
  font-size: 18px;
  cursor: pointer;
}

.camera-panel {
  padding-bottom: 12px;
}

.camera-controls {
  display: flex;
  gap: 8px;
  padding: 0 16px 12px;
}

.camera-controls input {
  flex: 1;
}

.camera-preview {
  padding: 0 16px 12px;
}

.camera-preview img {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--border);
}

.chip {
  padding: 4px 8px;
  border-radius: 999px;
  font-size: 12px;
  border: 1px solid var(--border);
  color: var(--text);
}

.chip.ok { background: rgba(22, 163, 74, 0.1); }
.chip.warn { background: rgba(245, 158, 11, 0.1); }
.chip.err { background: rgba(220, 38, 38, 0.1); }

.hint {
  color: var(--muted);
  padding: 0 16px;
  margin: 0;
}

@media (max-width: 1024px) {
  .content { grid-template-columns: 1fr; }
  .feed-item { grid-template-columns: auto 1fr; }
  .camera-controls { flex-direction: column; }
}