/* Main container for the entire calculator */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

/* Visualization wrapper - holds control panel and graph */
.visualization-wrapper {
  display: flex;
  gap: 20px;
  margin: 20px 0;
}


.visualization-container {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin: 20px 0;
}
/* Control panel styling */
.control-panel {
  flex: 0 0 300px; /* Fixed width of 300px */
  background: #fff;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  height: fit-content; /* Only take needed height */
}

/* Graph container */
.graph-3d {
  flex: 1; /* Take remaining space */
  min-height: 600px;
  background: #f0f0f0;
  border-radius: 8px;
  overflow: hidden;
}

/* Card group styling for inputs */
.card-group {
  display: flex;
  gap: 20px;
  margin-bottom: 20px;
}

.card {
  flex: 1;
  background: #fff;
  padding: 15px;
  border-radius: 8px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.control-group {
  margin-bottom: 15px;
}

.control-group label {
  display: block;
  margin-bottom: 5px;
  font-weight: 600;
  color: #333;
}

.form-control {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 14px;
}

.error-message {
  color: #d33;
  padding: 20px;
  text-align: center;
}

/* Responsive adjustments */
@media (max-width: 900px) {
  .visualization-wrapper {
    flex-direction: column;
  }
  
  .control-panel {
    flex: 1;
    max-width: 100%;
  }
  
  .card-group {
    flex-direction: column;
    gap: 10px;
  }
}

/* Form elements styling */
label {
  display: block;
  margin-bottom: 5px;
  font-weight: 600;
  color: #333;
}

input[type="range"], 
input[type="number"],
select {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 14px;
}

/* Value displays next to sliders */
#minute-ventilation-value,
#paco2-value {
  display: inline-block;
  margin-left: 10px;
  min-width: 50px;
  text-align: right;
}