.wwals-container {
    background-color: #f9f9f9;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 2rem;
    max-width: 600px;
    margin: 2rem auto;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}
.wwals-container h2 { margin-top: 0; }
.wwals-form-group { margin-bottom: 1.5rem; }
.wwals-form-group label { display: block; font-weight: 600; margin-bottom: 0.5rem; color: #333; }
.wwals-container input[type="tel"],
.wwals-container textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    box-sizing: border-box;
}
.wwals-container input[type="tel"]:focus,
.wwals-container textarea:focus {
    border-color: #25D366;
    outline: none;
    box-shadow: 0 0 0 2px rgba(37, 211, 102, 0.2);
}
.wwals-button {
    background-color: #25D366;
    color: white;
    border: none;
    padding: 15px 25px;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    width: 100%;
    transition: background-color 0.3s ease, transform 0.2s ease;
}
.wwals-button:hover { background-color: #128C7E; transform: translateY(-2px); }
.wwals-button:disabled { background-color: #ccc; cursor: not-allowed; }
.wwals-result-container {
    margin-top: 2rem;
    background-color: #e8f5e9;
    padding: 1.5rem;
    border-radius: 8px;
    text-align: center;
    border: 1px solid #a5d6a7;
}
.wwals-short-link-wrapper { display: flex; margin-bottom: 1rem; }
#wwals-short-link {
    flex-grow: 1;
    background: #fff;
    border-right: none;
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}
#wwals-copy-btn {
    background: #128C7E;
    color: white;
    border: none;
    padding: 0 15px;
    cursor: pointer;
    border-top-right-radius: 6px;
    border-bottom-right-radius: 6px;
    transition: background-color 0.2s;
}
#wwals-copy-btn:hover { background-color: #075E54; }
#wwals-qr-code img { max-width: 150px; margin: 0 auto; }
.wwals-error-message {
    color: #D32F2F;
    background-color: #FFEBEE;
    border: 1px solid #D32F2F;
    padding: 1rem;
    border-radius: 6px;
    margin-top: 1rem;
}