/* Loading Animation Styles */
#loadingOverlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    pointer-events: none;
}

/* REMOVE or COMMENT OUT this problematic rule */
/*
body > *:not(#loadingOverlay) {
    visibility: visible !important;
}
*/

#loadingOverlay .loading-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

#loadingOverlay .loading-spinner {
    position: relative;
    width: 120px;
    height: 120px;
}

#loadingOverlay .spinner-circle {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 4px solid transparent;
    border-top: 4px solid #3b82f6;
    border-right: 4px solid #3b82f6;
    animation: spin 1.5s linear infinite;
}

#loadingOverlay .spinner-circle:nth-child(2) {
    border-top: 4px solid transparent;
    border-right: 4px solid transparent;
    border-bottom: 4px solid #60a5fa;
    border-left: 4px solid #60a5fa;
    animation: spin-reverse 2s linear infinite;
}

#loadingOverlay .sms-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 2.5rem;
    color: #3b82f6;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes spin-reverse {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(-360deg); }
}

/* Optional: Add smooth transition when hiding */
#loadingOverlay {
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

#loadingOverlay.hiding {
    opacity: 0;
    visibility: hidden;
}