/* Hide content initially */
/* Fix for white screen issue */
.hidden {
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

#content:not(.hidden) {
    opacity: 1;
    visibility: visible;
}

/* Loader overlay */
#loader {
    position: fixed;
    inset: 0;
    background: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    opacity: 1;
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

#loader.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

#loader.fade-out {
    opacity: 0;
    pointer-events: none;
}

#loader img {
    width: 150px;
    height: 150px;
    opacity: 0;
    transform: scale(0.12);
    will-change: transform;
    backface-visibility: hidden;

    animation:
        logoIn 0.5s ease-out forwards,
        spinMomentum 1.4s cubic-bezier(0.22, 1, 0.36, 1) 1;
    animation-delay: 0s, 0.2s;
}


/* Fade-in animation */
@keyframes loaderFadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}


#loader::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at center,
            rgba(59, 130, 246, 0.08),
            rgba(59, 130, 246, 0.03),
            transparent 100%);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: -1;
}


/* Rotation animation */
@keyframes logoIn {
    from {
        opacity: 0;
        transform: scale(0.92);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

@keyframes spinMomentum {
    0% {
        transform: rotate(0deg) scale(0.95);
    }

    60% {
        transform: rotate(390deg) scale(1.05);
        /* overshoot */
    }

    80% {
        transform: rotate(350deg) scale(0.98);
        /* pull back */
    }

    100% {
        transform: rotate(360deg) scale(1);
    }
}

@keyframes spinPause {
    0% {
        transform: rotate(0deg);
    }

    70% {
        transform: rotate(360deg);
    }

    85% {
        transform: rotate(360deg);
    }

    /* pause */
    100% {
        transform: rotate(360deg);
    }
}