body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 20px;
    background-color: #f0f0f0;
}

.container {
    max-width: 600px;
    margin: 0 auto;
    padding: 20px;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

h1 {
    color: #2c3e50;
    text-align: center;
}
.url-preview {
    font-family: monospace;
    word-wrap: break-word;
    margin-top: 5px;
}

.disclaimer {
    color: #7f8c8d;
    text-align: center;
    margin: 20px 0;
}

.form-group {
    margin: 20px 0;
}

label {
    display: block;
    margin-bottom: 5px;
    color: #34495e;
}

input[type="tel"],
textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #bdc3c7;
    border-radius: 4px;
    box-sizing: border-box;
}

button {
    background-color: #3498db;
    color: white;
    padding: 12px 24px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    margin-top: 20px;
    width: 100%;
}

button:hover {
    background-color: #2980b9;
}

.hidden {
    display: none;
}

#result {
    margin-top: 20px;
    padding: 15px;
    background-color: #f8f9fa;
    border-radius: 4px;
}

.link-container {
    display: flex;
    align-items: center;
    margin-top: 10px;
}

#whatsapp-link {
    flex: 1;
    padding: 8px;
    border: 1px solid #bdc3c7;
    border-radius: 4px;
    margin-right: 10px;
}

#whatsapp-link:focus {
    outline: none;
    border-color: #3498db;
}

.copy-button {
    background-color: #2ecc71;
    margin-left: 10px;
    width: 100px;
}

.copy-button:hover {
    background-color: #27ae60;
}

footer {
  text-align: center;
  margin-top: 20px;
  font-size: 14px;
  color: #666;
}