body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #eef2f5;
    margin: 0;
    padding: 20px;
    display: flex;
    justify-content: center;
}

.card-generator-box {
    background: #ffffff;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    max-width: 600px;
    width: 100%;
}

h2, h3 {
    text-align: center;
    color: #2c3e50;
    margin-bottom: 20px;
}

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

.input-group label {
    display: block;
    font-weight: bold;
    margin-bottom: 6px;
    color: #333;
}

.input-group input {
    width: 100%;
    padding: 10px 12px;
    font-size: 16px;
    border: 1px solid #cccccc;
    border-radius: 6px;
    box-sizing: border-box;
    transition: 0.3s;
}

.input-group input:focus {
    border-color: #007bff;
    outline: none;
}

.download-btn {
    width: 100%;
    padding: 12px;
    background-color: #28a745;
    color: #ffffff;
    font-size: 18px;
    font-weight: bold;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    margin-top: 10px;
    transition: background 0.3s;
}

.download-btn:hover {
    background-color: #218838;
}

.preview-container {
    margin-top: 25px;
    text-align: center;
}

#cardCanvas {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}