* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f4f5f7;
}

main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem;
}

h1 {
  margin-top: 0;
}

.panel {
  background: #fff;
  border: 1px solid #ddd;
  border-radius: 8px;
  padding: 0.75rem;
  margin-bottom: 0.75rem;
}

.row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.row:last-child {
  margin-bottom: 0;
}

input[type="datetime-local"],
input[type="text"],
select,
button {
  padding: 0.35rem 0.5rem;
  border: 1px solid #c7c7c7;
  border-radius: 4px;
  background: #fff;
}

button {
  cursor: pointer;
}

button:hover {
  background: #f2f7ff;
}

.devices {
  max-height: 220px;
  overflow: auto;
  border: 1px solid #e5e5e5;
  border-radius: 6px;
  padding: 0.5rem;
  background: #fbfbfb;
}

.device-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.25rem;
}

#timeline {
  width: 100%;
}

#status {
  min-height: 1.25rem;
}

#map {
  width: 100%;
  height: 68vh;
  border: 1px solid #ddd;
  border-radius: 8px;
}