.calculator-container {
font-family: sans-serif;
border: 1px solid #ccc;
padding: 20px;
border-radius: 8px;
max-width: 500px;
margin: 20px auto;
background-color: #f9f9f9;
}
.calculator-form h2 {
text-align: center;
margin-bottom: 15px;
color: #333;
}
.calculator-form p {
font-size: 0.9em;
color: #555;
margin-bottom: 20px;
line-height: 1.5;
}
.form-group {
margin-bottom: 15px;
}
.form-group label {
display: block;
margin-bottom: 5px;
font-weight: bold;
color: #444;
}
.form-group input[type="number"] {
width: calc(100% – 12px);
padding: 10px;
border: 1px solid #ddd;
border-radius: 4px;
box-sizing: border-box;
}
.form-group button {
width: 100%;
padding: 10px 15px;
background-color: #4CAF50;
color: white;
border: none;
border-radius: 4px;
cursor: pointer;
font-size: 1em;
transition: background-color 0.3s ease;
}
.form-group button:hover {
background-color: #45a049;
}
.calculator-result {
margin-top: 25px;
padding-top: 15px;
border-top: 1px solid #eee;
}
.calculator-result h3 {
margin-bottom: 10px;
color: #333;
}
#result {
font-size: 1.1em;
color: #007bff;
font-weight: bold;
min-height: 30px; /* To prevent layout shifts */
}
function calculateTurnover() {
var poolVolume = parseFloat(document.getElementById("poolVolume").value);
var flowRate = parseFloat(document.getElementById("flowRate").value);
var resultDiv = document.getElementById("result");
if (isNaN(poolVolume) || isNaN(flowRate) || poolVolume <= 0 || flowRate 0) {
resultText += hours + " hour" + (hours !== 1 ? "s" : "");
if (minutes > 0) {
resultText += ", " + minutes + " minute" + (minutes !== 1 ? "s" : "");
}
} else {
resultText += minutes + " minute" + (minutes !== 1 ? "s" : "");
}
resultDiv.innerHTML = "One full turnover takes approximately: " + resultText;
}