* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
}

body {
    background: #f2f4f7;
    display: flex;
    justify-content: center;
    padding: 40px 15px;
}

.container {
    width: 100%;
    max-width: 500px;
}

.card {
    background: #ffffff;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

h2 {
    text-align: center;
    margin-bottom: 20px;
}

.preview {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 15px;
    min-height: 200px;
}
.download{
  display: flex;
  align-self: center;
}

input[type="text"] {
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    border-radius: 6px;
    border: 1px solid #ccc;
}
input[type="number"] {
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    border-radius: 6px;
    border: 1px solid #ccc;
}

input[type="range"] {
    width: 100%;
    margin-bottom: 15px;
}

label {
    display: block;
    margin-bottom: 5px;
}

.switch {
    margin-bottom: 15px;
}

.button-group {
    display: flex;
    gap: 10px;
}

.btn {
    flex: 1;
    padding: 10px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: bold;
}

.primary {
    background: #317EFB;
    color: white;
}

.success {
    background: #28a745;
    color: white;
}

.secondary {
    background: #6c757d;
    color: white;
    margin-bottom: 15px;
}

.btn:hover {
    opacity: 0.9;
}

.hidden {
    display: none;
}