body {
  margin: 0;
  font-family: 'Roboto', sans-serif;
  background-color: #f5f5f5;
  color: #333;
}

header {
  background-color: #2a5788;
  color: #fff;
  padding: 1rem;
  text-align: center;
}

header h1 {
  margin: 0.3rem 0;
  font-size: 1.6rem;
}

.subtitle {
  margin: 0;
  font-weight: 300;
  font-size: 0.9rem;
}

main {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1rem;
  gap: 1rem;
}

.layout-wrapper {
  position: relative;
  width: 100%;
  max-width: 1100px;
  border: 1px solid #ccc;
  background-color: #fff;
}

#floor-plan {
  width: 100%;
  display: block;
}

#overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

/* Machine card styling */
.machine {
  position: absolute;
  width: 40px;
  height: 40px;
  background-color: #87ceeb;
  border: 1px solid #555;
  border-radius: 4px;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 0.6rem;
  color: #fff;
  text-align: center;
  pointer-events: auto;
}

.machine.busy {
  background-color: #f39c12;
}

.machine.full {
  background-color: #e74c3c;
}

/* AMR representation */
#amr {
  position: absolute;
  min-width: 140px;
  height: 60px;
  background-color: #34495e;
  border-radius: 6px;
  display: flex;
  flex-wrap: wrap;
  padding: 4px;
  box-sizing: border-box;
}

.slot {
  width: 16px;
  height: 16px;
  margin: 2px;
  background-color: #2ecc71;
  border: 1px solid #27ae60;
  border-radius: 2px;
}

.slot.full {
  background-color: #e74c3c;
  border-color: #c0392b;
}

.controls,
.kpi,
.queue-info {
  width: 100%;
  max-width: 1100px;
  background-color: #fff;
  padding: 1rem;
  border: 1px solid #ccc;
  border-radius: 4px;
}

.controls h2,
.kpi h2,
.queue-info h2 {
  margin-top: 0;
}

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

input[type="number"] {
  width: 80px;
  padding: 0.3rem;
  border: 1px solid #ccc;
  border-radius: 4px;
}

button {
  padding: 0.4rem 0.8rem;
  margin-right: 0.5rem;
  background-color: #2a5788;
  color: #fff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

button:hover {
  background-color: #1e3f63;
}

.kpi-container {
  display: flex;
  gap: 2rem;
  margin-top: 0.5rem;
}

.kpi-item {
  text-align: center;
}

.kpi-item span {
  display: block;
  font-size: 1.4rem;
  font-weight: 500;
}

#queues {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.queue-card {
  border: 1px solid #ccc;
  padding: 0.5rem;
  border-radius: 4px;
  min-width: 120px;
  background-color: #fafafa;
  font-size: 0.8rem;
}

.queue-card h3 {
  margin: 0 0 0.4rem 0;
  font-size: 0.9rem;
  color: #2a5788;
}