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

body {
    background: #f8f5fa;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.container {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
    width: 100%;
    max-width: 500px;
}

h1 {
    color: #454B66;
    text-align: center;
    margin-bottom: 2rem;
    font-size: 1.8rem;
    font-weight: 600;
}

.input-section {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

input[type="text"] {
    padding: 12px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    transition: border-color 0.3s ease;
}

input[type="text"]:focus {
    outline: none;
    border-color: #8B7AA8;
}

.options {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.option-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

label {
    color: #666;
    font-size: 0.9rem;
    font-weight: 500;
}

input[type="number"] {
    width: 80px;
    padding: 8px;
    border: 2px solid #e0e0e0;
    border-radius: 6px;
    font-weight: 500;
}

input[type="color"] {
    width: 40px;
    height: 40px;
    padding: 0;
    border: none;
    border-radius: 6px;
    cursor: pointer;
}

button {
    background: #8B7AA8;
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: background 0.3s ease;
}

button:hover {
    background: #766490;
}

.qr-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

#qr-code {
    padding: 1rem;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.url-display {
    max-width: 100%;
    word-break: break-all;
    text-align: center;
    color: #666;
    font-size: 0.9rem;
    font-weight: 500;
    padding: 0.5rem;
    background: #f8f5fa;
    border-radius: 6px;
    margin: 0.5rem 0;
}

.hidden {
    display: none;
}

@media (max-width: 480px) {
    .container {
        padding: 1.5rem;
    }
    
    .options {
        flex-direction: column;
    }
    
    .option-group {
        width: 100%;
        justify-content: space-between;
    }
}