.spf-tabs {
     background: #f9f9f9;
     border-radius: 5px;
     padding: 0;
     margin-bottom: 30px;
     box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
 }

 .spf-tab-header {
     display: flex;
     border-bottom: 1px solid #ddd;
     background: #fff;
     border-radius: 5px 5px 0 0;
 }

 .spf-tab {
     padding: 15px 20px;
     cursor: pointer;
     border-right: 1px solid #eee;
     font-weight: 600;
     color: #555;
     transition: all 0.3s ease;
 }

 .spf-tab:last-child {
     border-right: none;
 }

 .spf-tab.active {
     background: #FAB702;
     color: white;
 }

 .spf-tab-content {
     display: none;
     padding: 25px;
     min-height: 400px;
 }

 .spf-tab-content.active {
     display: block;
 }

 .spf-preview-container {
     position: sticky;
     top: 20px;
     background: #2c3e50;
     color: white;
     padding: 20px;
     border-radius: 5px;
     margin-bottom: 20px;
     box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
 }

 .spf-preview {
     font-family: monospace;
     word-break: break-all;
     font-size: 16px;
     line-height: 1.5;
     padding: 15px;
     background: rgba(0, 0, 0, 0.2);
     border-radius: 3px;
     min-height: 80px;
     border: 1px dashed #3498db;
 }

 .service-option {
     border: 1px solid #ddd;
     border-radius: 5px;
     padding: 15px;
     margin-bottom: 15px;
     background: white;
     transition: all 0.3s ease;
 }

 .service-option:hover {
     border-color: #3498db;
     box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
 }

 .service-option.selected {
     border-color: #2ecc71;
     background: rgba(46, 204, 113, 0.05);
 }

 .security-info {
     padding: 10px;
     border-radius: 3px;
     margin-top: 10px;
     font-size: 0.85em;
 }

 .security-good {
     background: rgba(46, 204, 113, 0.1);
     border-left: 3px solid #2ecc71;
 }

 .security-warning {
     background: rgba(243, 156, 18, 0.1);
     border-left: 3px solid #f39c12;
 }

 .security-danger {
     background: rgba(231, 76, 60, 0.1);
     border-left: 3px solid #e74c3c;
 }

 .badge-security {
     font-size: 0.7em;
     padding: 3px 8px;
     border-radius: 10px;
     margin-left: 10px;
 }

 .manual-entry {
     margin-top: 15px;
     padding: 15px;
     background: #f8f9fa;
     border-radius: 5px;
     border: 1px dashed #ccc;
 }

 .stats-container {
     display: flex;
     justify-content: space-between;
     margin-top: 15px;
     padding-top: 15px;
     border-top: 1px solid rgba(255, 255, 255, 0.2);
 }

 .stat {
     text-align: center;
     flex: 1;
 }

 .stat-value {
     font-size: 24px;
     font-weight: bold;
     color: #2ecc71;
 }

 .stat-label {
     font-size: 0.8em;
     opacity: 0.8;
 }

 .copy-btn {
     margin-top: 15px;
 }

 .domain-input {
     font-weight: bold;
     color: #e74c3c;
 }

 .help-text {
     font-size: 0.9em;
     color: #7f8c8d;
     margin-top: 5px;
 }

 .tab-section {
     margin-bottom: 25px;
 }

 .tab-section h4 {
     color: #2c3e50;
     border-bottom: 1px solid #eee;
     padding-bottom: 10px;
     margin-bottom: 15px;
 }