/* NextEdu shared circular page loader */
#loader.nextedu-loader,
#loader {
    position: fixed;
    inset: 0;
    z-index: 3000;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    background:
        radial-gradient(circle at 50% 38%, rgba(99, 102, 241, 0.16), transparent 34%),
        var(--bg-color, #0f172a) !important;
    transition: opacity 0.35s ease, visibility 0.35s ease;
}

#loader.nextedu-loader.hidden,
#loader.hidden {
    opacity: 0 !important;
    visibility: hidden;
    pointer-events: none;
}

.nextedu-loader-ring,
#loader .spinner {
    width: 62px;
    height: 62px;
    border-radius: 50%;
    border: 4px solid rgba(148, 163, 184, 0.18);
    border-top-color: var(--primary-color, #6366f1);
    border-right-color: #10b981;
    animation: nexteduLoaderSpin 0.78s linear infinite;
    box-shadow: 0 0 28px rgba(99, 102, 241, 0.24);
}

#loader .loader-text {
    margin-top: 0 !important;
    color: var(--text-main, #f8fafc) !important;
    font-family: 'Orbitron', sans-serif;
    font-size: 0.82rem;
    font-weight: 800;
    letter-spacing: 1px;
}

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