.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bs-body-bg);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    opacity: 0.9;
    transition: opacity 0.3s ease;
}

.loading-overlay.active {
    display: flex;
}

.loading-spinner {
    width: 60px;
    height: 60px;
    position: relative;
}

.loading-spinner:before {
    content: '';
    box-sizing: border-box;
    position: absolute;
    top: 50%;
    left: 50%;
    width: 60px;
    height: 60px;
    margin-top: -30px;
    margin-left: -30px;
    border-radius: 50%;
    border: 3px solid var(--bs-primary);
    border-top-color: transparent;
    animation: spinner 0.8s linear infinite;
}

.loading-text {
    position: absolute;
    top: calc(50% + 40px);
    font-size: 1rem;
    color: var(--bs-primary);
    font-weight: 500;
}

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