/* Sync Status Indicator */
.sync-status {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-left: 10px;
    font-size: 1.2em;
    cursor: help;
    transition: opacity 0.3s ease;
}

.sync-status.syncing .sync-icon {
    animation: spin 1s linear infinite;
    opacity: 0.7;
}

.sync-status.saved .sync-icon {
    color: var(--success-color);
}

.sync-status.unsaved .sync-icon {
    color: var(--warning-color);
}

.sync-status.error .sync-icon {
    color: var(--danger-color);
}

@keyframes spin {
    100% {
        transform: rotate(360deg);
    }
}

/* Loading Skeletons */
.skeleton {
    background: linear-gradient(
        90deg,
        var(--secondary-bg) 25%,
        var(--border-color) 50%,
        var(--secondary-bg) 75%
    );
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
    border-radius: 4px;
    color: transparent !important;
    -webkit-user-select: none;
    user-select: none;
    display: inline-block;
    min-width: 30px;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}