:root {
    --primary-color: #E20074;
    --secondary-color: #ffffff;
    --background-color: #f5f5f5;
    --text-color: #333333;
    --section-bg: #f9f9f9;
    --email-bg: #ffffff;
    --email-border: #e0e0e0;
    --info-bg: #e8f4f8;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 2rem;
}

.info-box {
    background-color: var(--info-bg);
    border-left: 4px solid var(--primary-color);
    padding: 1.5rem;
    margin-bottom: 2rem;
    border-radius: 0 5px 5px 0;
}

.info-box h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.info-box ul {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

.info-box code {
    background-color: var(--secondary-color);
    padding: 0.2rem 0.4rem;
    border-radius: 3px;
    font-family: monospace;
}

.info-box .example {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px dashed var(--primary-color);
    font-style: italic;
}

h1 {
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 2rem;
}

h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.form-container {
    background-color: var(--secondary-color);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    margin-bottom: 2rem;
}

.form-section {
    background-color: var(--section-bg);
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.color-options {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 0.5rem;
}

.color-option {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 5px;
    transition: background-color 0.2s ease;
}

.color-option:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

.color-preview {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid #ddd;
}

.color-option input[type="radio"] {
    display: none;
}

.color-option input[type="radio"]:checked + .color-preview {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px var(--primary-color);
}

input, textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
}

input[type="tel"] {
    font-family: monospace;
}

textarea {
    resize: vertical;
}

input[type="number"] {
    -moz-appearance: textfield;
}

input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.email-preview {
    background-color: var(--email-bg);
    border: 1px solid var(--email-border);
    border-radius: 5px;
    padding: 1rem;
    font-family: Arial, sans-serif;
    font-size: 0.9rem;
    line-height: 1.5;
}

.email-header {
    border-bottom: 1px solid var(--email-border);
    padding-bottom: 0.5rem;
    margin-bottom: 1rem;
}

.email-body {
    white-space: pre-wrap;
}

button {
    background-color: var(--primary-color);
    color: var(--secondary-color);
    padding: 1rem 2rem;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: background-color 0.3s ease;
    width: 100%;
}

button:hover {
    background-color: #c00062;
}

.qr-container {
    background-color: var(--secondary-color);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    text-align: center;
}

#qrcode {
    margin: 2rem auto;
    max-width: 200px;
}

.download-btn {
    margin-top: 1rem;
}

@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
    
    .form-container, .qr-container {
        padding: 1rem;
    }
}