<div class="checkout-layout">
<div class="payment-form">
<h3>Payment Details</h3>
<div class="input-block">
<label>Cardholder Name</label>
<input type="text" class="input-field" placeholder="John Doe">
</div>
<div class="input-block">
<label>Card Number</label>
<div class="card-input-wrapper">
<svg viewBox="0 0 24 24" width="20" height="20" fill="none" stroke="#9ca3af" stroke-width="2">
<rect x="1" y="4" width="22" height="16" rx="2" ry="2"></rect>
<line x1="1" y1="10" x2="23" y2="10"></line>
</svg>
<input type="text" id="cc-number" class="input-field card-field" placeholder="0000 0000 0000 0000" maxlength="19">
</div>
</div>
<div class="flex-row">
<div class="input-block">
<label>Expiry Date</label>
<input type="text" id="cc-exp" class="input-field" placeholder="MM/YY" maxlength="5">
</div>
<div class="input-block">
<label>CVV</label>
<input type="password" class="input-field" placeholder="123" maxlength="4">
</div>
</div>
<button class="pay-btn">Pay $149.00</button>
</div>
</div>
*, *::before, *::after {
box-sizing: border-box;
}
body {
font-family: system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
background: #f3f4f6;
display: flex;
justify-content: center;
align-items: center;
min-height: 100vh;
margin: 0;
padding: 20px;
}
.checkout-layout {
background: #ffffff;
padding: 40px;
border-radius: 16px;
box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
width: 100%;
max-width: 450px;
}
.payment-form h3 {
margin-top: 0;
margin-bottom: 24px;
color: #111827;
font-size: 1.25rem;
}
.input-block {
margin-bottom: 20px;
width: 100%;
}
.input-block label {
display: block;
font-size: 0.875rem;
font-weight: 500;
color: #374151;
margin-bottom: 8px;
}
.input-field {
width: 100%;
padding: 12px 16px;
border: 1px solid #d1d5db;
border-radius: 8px;
font-size: 1rem;
outline: none;
transition: border-color 0.2s;
font-family: inherit;
}
.input-field:focus {
border-color: #3b82f6;
}
.card-input-wrapper {
position: relative;
display: flex;
align-items: center;
}
.card-input-wrapper svg {
position: absolute;
left: 16px;
}
.card-field {
padding-left: 48px;
font-variant-numeric: tabular-nums;
letter-spacing: 1px;
}
.flex-row {
display: flex;
gap: 16px;
}
.pay-btn {
width: 100%;
background: #111827;
color: #ffffff;
border: none;
padding: 16px;
border-radius: 8px;
font-weight: 600;
font-size: 1.125rem;
cursor: pointer;
margin-top: 10px;
transition: background 0.2s;
}
.pay-btn:hover {
background: #374151;
}
const ccNumber = document.getElementById("cc-number");
const ccExp = document.getElementById("cc-exp");
// Format Credit Card Number with spaces (no regular expressions used)
ccNumber.addEventListener("input", function(e) {
const val = e.target.value.split(" ").join("");
let formatted = "";
for (let i = 0; i < val.length; i++) {
if (i > 0 && i % 4 === 0) {
formatted += " ";
}
formatted += val.charAt(i);
}
e.target.value = formatted;
});
// Format Expiry Date with slash (no regular expressions used)
ccExp.addEventListener("input", function(e) {
const val = e.target.value.split("/").join("");
let formatted = "";
for (let i = 0; i < val.length; i++) {
if (i === 2) {
formatted += "/";
}
formatted += val.charAt(i);
}
e.target.value = formatted;
});
