/* Progress Loader */
#global-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.7);
    z-index: 9999;
    display: none; /* Hidden by default */
    justify-content: center;
    align-items: center;
    flex-direction: column;
    backdrop-filter: blur(2px);
}

.spinner {
    width: 3rem;
    height: 3rem;
    border: 0.25rem solid #3b82f6; /* Using explicit color as var might not be available or different */
    border-right-color: transparent;
    border-radius: 50%;
    animation: spinner-border .75s linear infinite;
}

@keyframes spinner-border {
    to { transform: rotate(360deg); }
}