#auroraContainer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 2000; /* Same level as other effects */
    overflow: hidden;
}

.aurora {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    opacity: 0;
    /* Fallback before JS applies theme gradient */
    background: radial-gradient(
        ellipse 80% 60% at center,
        rgba(var(--primary-color-rgb), 0.22) 0%,
        rgba(var(--secondary-color-rgb), 0.1) 42%,
        transparent 68%
    );
    filter: blur(48px);
    animation: move-aurora 20s linear infinite, fade-in-out 20s linear infinite;
    will-change: transform, opacity;
    pointer-events: none;
}

@keyframes move-aurora {
    0% {
        transform: translate(-50%, -50%) scale(1);
    }
    50% {
        transform: translate(50%, 50%) scale(1.5);
    }
    100% {
        transform: translate(-50%, -50%) scale(1);
    }
}

@keyframes fade-in-out {
    0%, 100% {
        opacity: 0;
    }
    50% {
        opacity: 0.58;
    }
}