.cb-aacf7-basic-panel {
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin-bottom: 20px;
}

.cb-aacf7-section {
    margin-bottom: 30px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 8px;
    border: 1px solid #dee2e6;
}

.cb-aacf7-section h3 {
    margin-top: 0;
    color: #495057;
    border-bottom: 2px solid #007cba;
    padding-bottom: 10px;
}

.cb-aacf7-form-group {
    margin-bottom: 20px;
}

.cb-aacf7-label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: #495057;
}

.cb-aacf7-input {
    width: 100%;
    max-width: 500px;
    padding: 10px;
    border: 1px solid #ced4da;
    border-radius: 4px;
    font-size: 14px;
}

.cb-aacf7-textarea {
    width: 100%;
    max-width: 500px;
    min-height: 50px;
    padding: 10px;
    border: 1px solid #ced4da;
    border-radius: 4px;
    font-size: 14px;
    resize: vertical;
}

.cb-aacf7-help-text {
    font-size: 12px;
    color: #6c757d;
    margin-top: 5px;
}

.cb-aacf7-status-good {
    color: #28a745;
    font-weight: 600;
}

.cb-aacf7-status-error {
    color: #dc3545;
    font-weight: 600;
}

.cb-aacf7-feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
    margin-top: 20px;
}

.cb-aacf7-feature-card {
    background: white;
    padding: 15px;
    border-radius: 8px;
    border: 1px solid #e9ecef;
}

.cb-aacf7-feature-card h4 {
    margin-top: 0;
    color: #495057;
}

.cb-aacf7-test-message {
    padding: 10px;
    border-radius: 4px;
    font-weight: 600;
}

.cb-aacf7-test-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.cb-aacf7-test-error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Test API Connection Results */
.cb-aacf7-test-message {
    padding: 10px;
    border-radius: 4px;
    font-weight: bold;
}

.cb-aacf7-test-message.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.cb-aacf7-test-message.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Email Format Restriction Styles */
.cb-aacf7-restriction {
    padding: 10px;
    background-color: #f9f9f9;
    border: 1px solid #ddd;
    border-radius: 4px;
    color: #333;
    margin: 5px 0;
}

.cb-aacf7-restriction-badge {
    display: inline-block;
    padding: 4px 8px;
    background-color: #e0e0e0;
    color: #666;
    border-radius: 3px;
    font-size: 12px;
    font-weight: bold;
}

/* Premium Feature Highlight */
.cb-aacf7-premium-feature {
    background: linear-gradient(135deg, #e8f5e8 0%, #f0f8f0 100%);
    border: 1px solid #28a745;
    border-radius: 5px;
    padding: 10px;
    margin-bottom: 10px;
}

.cb-aacf7-free-feature {
    background: linear-gradient(135deg, #e8f4fd 0%, #f0f7ff 100%);
    border: 1px solid #0073aa;
    border-radius: 5px;
    padding: 10px;
    margin-bottom: 10px;
}

/* Email Format Restriction Styles */
.cb-aacf7-restriction {
    padding: 10px;
    background-color: #f9f9f9;
    border: 1px solid #ddd;
    border-radius: 4px;
    color: #333;
    margin: 5px 0;
}

.cb-aacf7-restriction-badge {
    display: inline-block;
    padding: 4px 8px;
    background-color: #e0e0e0;
    color: #666;
    border-radius: 3px;
    font-size: 12px;
    font-weight: bold;
}

/* Premium Feature Highlight */
.cb-aacf7-premium-feature {
    background: linear-gradient(135deg, #e8f5e8 0%, #f0f8f0 100%);
    border: 1px solid #28a745;
    border-radius: 5px;
    padding: 10px;
    margin-bottom: 10px;
}

.cb-aacf7-free-feature {
    background: linear-gradient(135deg, #e8f4fd 0%, #f0f7ff 100%);
    border: 1px solid #0073aa;
    border-radius: 5px;
    padding: 10px;
    margin-bottom: 10px;
}

/* Email Format Selection Enhancement */
#cb-aacf7-email-format {
    min-width: 200px;
    margin: 5px 0;
}

/* Help Text Styling */
.cb-aacf7-help-text {
    color: #666;
    font-style: italic;
    margin-top: 5px;
}