/* Frontend CSS for Quản Lý Thư Mời */
.qltm-like-wrapper { margin: 20px 0; }
.qltm-like-btn { text-decoration: none; color: #666; font-size: 16px; border: 1px solid #ddd; padding: 8px 15px; border-radius: 20px; transition: all 0.3s; }
.qltm-like-btn.liked { color: #e74c3c; border-color: #e74c3c; background: #fdf2f2; }
.qltm-like-btn:hover { background: #f9f9f9; }
.qltm-like-count { margin-left: 5px; font-weight: 600; }
.qltm-loading { opacity: 0.6; cursor: wait; }