.csv-sync-container {
    margin: 20px 0;
}
.csv-sync-button {
    background: #0073aa;
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    position: relative;
}
.csv-sync-button:hover:not(:disabled) {
    background: #005a87;
}
.csv-sync-button:disabled {
    background: #ccc;
    cursor: not-allowed;
}
.csv-sync-spinner {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid #fff;
    border-right-color: transparent;
    border-radius: 50%;
    animation: csv-sync-spin 0.75s linear infinite;
    margin-right: 8px;
    vertical-align: middle;
}
@keyframes csv-sync-spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}
.csv-sync-status {
    margin-top: 10px;
    padding: 10px;
    border-radius: 3px;
    display: none;
}
.csv-sync-status.info {
    background: #d1ecf1;
    border: 1px solid #bee5eb;
    color: #0c5460;
}
.csv-sync-status.success {
    background: #d4edda;
    border: 1px solid #c3e6cb;
    color: #155724;
}
.csv-sync-status.error {
    background: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
}