/* Fullscreen loader */
.grain-loader {
    position: fixed;
    top: 0; left: 0;
    width: 100%;
    height: 100%;
    background: #fff; /* white background */
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease;
}

/* Spinner styling */
.grain-spinner {
    display: flex;
    justify-content: center;
    gap: 8px;
}

.grain {
    width: 12px;
    height: 12px;
    background-color: #8BC34A;
    border-radius: 50%;
    animation: grain-bounce 1.4s infinite ease-in-out both;
}

.grain:nth-child(1) { 
    background-color: #8BC34A;
    animation-delay: -0.32s; 
}
.grain:nth-child(2) { 
    background-color: #689F38;
    animation-delay: -0.16s; 
}
.grain:nth-child(3) { 
    background-color: #558B2F;
    animation-delay: 0s; 
}

@keyframes grain-bounce {
    0%, 80%, 100% { transform: scale(0); }
    40% { transform: scale(1); }
}