/* Shared spinner styles */
@keyframes spinner-rotate { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
.spinner { width:14px; height:14px; border:2px solid #ccc; border-top-color:#333; border-radius:50%; display:none; vertical-align:middle; margin-left:8px; }
.spinner.spin { animation: spinner-rotate 1s linear infinite; }