* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  height: 100%;
  font-family: Arial, Helvetica, sans-serif;
  background: #0b1220;
  color: #e5e7eb;
}

.layout {
  display: grid;
  grid-template-columns: 380px 1fr;
  grid-template-rows: 72px 1fr;
  grid-template-areas:
    "topbar topbar"
    "sidebar main";
  height: 100vh;
  gap: 12px;
  padding: 12px;
}

.topbar {
  grid-area: topbar;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #111827;
  border: 1px solid #1f2937;
  border-radius: 16px;
  padding: 16px 20px;
}

.topbar h1 {
  margin: 0;
  font-size: 1.4rem;
}

.subtitle {
  color: #9ca3af;
  font-size: 0.92rem;
}

.sidebar {
  grid-area: sidebar;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 0;
}

.main {
  grid-area: main;
  min-height: 0;
}

.card {
  background: #111827;
  border: 1px solid #1f2937;
  border-radius: 16px;
  padding: 14px;
}

.card h2 {
  margin: 0 0 12px 0;
  font-size: 1rem;
}

.map-card {
  height: 100%;
  padding: 10px;
}

#map {
  width: 100%;
  height: 100%;
  min-height: 500px;
  border-radius: 12px;
}

.metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.metric {
  padding: 12px;
  border-radius: 12px;
  background: #0b1220;
  border: 1px solid #243041;
}

.metric .label {
  display: block;
  color: #9ca3af;
  font-size: 0.9rem;
}

.metric .value {
  display: block;
  margin-top: 6px;
  font-size: 1.5rem;
  font-weight: 700;
}

.device-list,
.event-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-height: 260px;
  overflow: auto;
}

.device-item,
.event-item {
  background: #0b1220;
  border: 1px solid #243041;
  border-radius: 12px;
  padding: 12px;
  cursor: pointer;
}

.device-header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}

.device-name {
  font-weight: 700;
}

.device-meta,
.event-time {
  color: #9ca3af;
  font-size: 0.86rem;
}

.badge {
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
}

.badge-on {
  background: rgba(34, 197, 94, 0.14);
  color: #86efac;
  border: 1px solid #22c55e;
}

.badge-off {
  background: rgba(239, 68, 68, 0.12);
  color: #fca5a5;
  border: 1px solid #ef4444;
}

.badge-offline {
  background: rgba(245, 158, 11, 0.12);
  color: #fcd34d;
  border: 1px solid #f59e0b;
}

.pill {
  padding: 8px 14px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.88rem;
}

.pill-ok {
  background: rgba(34, 197, 94, 0.14);
  color: #86efac;
  border: 1px solid #22c55e;
}

.pill-warn {
  background: rgba(245, 158, 11, 0.12);
  color: #fcd34d;
  border: 1px solid #f59e0b;
}

.pill-err {
  background: rgba(239, 68, 68, 0.12);
  color: #fca5a5;
  border: 1px solid #ef4444;
}

@media (max-width: 1000px) {
  .layout {
    grid-template-columns: 1fr;
    grid-template-rows: 72px auto 1fr;
    grid-template-areas:
      "topbar"
      "sidebar"
      "main";
    height: auto;
    min-height: 100vh;
  }

  .map-card {
    min-height: 500px;
  }
}