.grid-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}
.post-container {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    width: 300px;
    height: 300px;
    border: 2px solid var(--color-border);
    box-shadow: var(--box-shadow);
}

.album-cover {
    width: 300px;
    height: 300px;
    display: block;
    transition: filter 0.3s, opacity 0.3s;
}

.album-info {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #fff;
    opacity: 0;
    z-index: 2;
    background: rgba(30, 30, 40, 0.2);
    backdrop-filter: blur(12px);
    transition: opacity 0.3s;
    text-align: center;
    border-radius: 10px;
    padding: 1rem;
}

.post-container::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(20, 20, 30, 0.45);
    opacity: 0;
    z-index: 1;
    transition: opacity 0.3s;
    pointer-events: none;
    border-radius: 12px;
}

.post-container:hover .album-info,
.post-container:focus-within .album-info {
    opacity: 1;
}

.post-container:hover .album-cover,
.post-container:focus-within .album-cover {
    filter: blur(4px) brightness(0.7);
}

.post-container:hover::after,
.post-container:focus-within::after {
    opacity: 1;
}