.spinner-container {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.spinner-ring {
    width: 120px;
    height: 120px;
    position: relative;
    animation: rotate 2s linear infinite;
    will-change: transform;
}

    .spinner-ring::before,
    .spinner-ring::after {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        border-radius: 50%;
        border: 3px solid transparent;
        will-change: transform;
    }

    .spinner-ring::before {
        border-top-color: #00ff9d;
        border-right-color: #00ff9d;
        animation: rotate 1.5s linear infinite;
    }

    .spinner-ring::after {
        border-bottom-color: #00d4ff;
        border-left-color: #00d4ff;
        animation: rotate 2s linear infinite reverse;
    }

.spinner-ring-inner {
    position: absolute;
    top: 10px;
    left: 10px;
    right: 10px;
    bottom: 10px;
    border-radius: 50%;
    border: 2px solid rgba(0, 255, 157, 0.3);
    animation: pulse 1.5s ease-in-out infinite;
    will-change: transform, opacity;
}

.spinner-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 2.5rem;
    color: #00ff9d;
    animation: bounce 1s ease-in-out infinite;
    /* text-shadow replaced with filter: drop-shadow (GPU-composited, cheaper alongside other animations) */
    filter: drop-shadow(0 0 10px rgba(0, 255, 157, 0.5));
    will-change: transform;
}

.spinner-text {
    margin-top: 2rem;
    font-size: 1.2rem;
    font-weight: 600;
    color: #00ff9d;
    text-transform: uppercase;
    letter-spacing: 3px;
    animation: pulse 1.5s ease-in-out infinite;
    /* text-shadow replaced with filter: drop-shadow (GPU-composited, cheaper alongside other animations) */
    filter: drop-shadow(0 0 6px rgba(0, 255, 157, 0.5));
    will-change: transform, opacity;
}

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

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

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.6;
        transform: scale(0.95);
    }
}

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

    50% {
        transform: translate(-50%, -50%) scale(1.1);
    }
}

@media (max-width: 768px) {
    .spinner-ring {
        width: 90px;
        height: 90px;
    }

    .spinner-icon {
        font-size: 2rem;
    }

    .spinner-text {
        font-size: 1rem;
        letter-spacing: 2px;
    }
}