.apt-tab-buttons { display: flex; gap: 10px; list-style: none; cursor: pointer; padding: 0; margin: 20px 0 10px; }
.apt-tab-buttons li { padding: 10px 20px; background: #0073aa; color: white; border-radius: 5px; }
.apt-tab-buttons li.active { background: #005177; }
.apt-tab-content { display: none; padding: 15px; background: #f9f9f9; border: 1px solid #ddd; border-radius: 5px; margin-bottom: 15px; }
.apt-tab-content.active { display: block; }