.global-loader {
    position: fixed;
    inset: 0;
    background: rgba(255, 255, 255, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 99999;
}

.global-loader.hidden {
    display: none;
}

.spinner {
    width: 55px;
    height: 55px;
    border: 6px solid #ddd;
    border-top: 6px solid #3498db;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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