.filter-sidebar {
    width: 80px;
    background-color: #f5f5f5;
    border-left: none;
    padding: 0 0 10px 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    overflow-y: auto;
    border-radius: 0 0 22px 22px;
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: -6px;
    min-height: 200px;
    z-index: 1000;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    height: auto;
}

.filter-sidebar-header {
    display: none; /* Hide header inside sidebar as the button serves as header */
}

.filter-sidebar-icon-large {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.filter-sidebar-icon-large svg {
    width: 32px;
    height: 32px;
}

.filter-sidebar-items {
    display: flex;
    flex-direction: column;
    gap: 25px;
    width: 100%;
    align-items: center;
    padding-top: 15px;
    border-top: none; /* Removed separator */
    width: 100%; /* Full width */
}

.filter-item {
    font-size: 13px;
    color: #666;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
}

.filter-item:hover {
    color: #333;
    font-weight: 500;
}

.filter-item::before {
    content: '';
    display: block;
    width: 20px;
    height: 20px;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    opacity: 0.6;
}

/* Icons for filter items (placeholders) */
.filter-item:nth-child(1)::before { background-image: url('./imgs/idea-menu-icon.png'); }
.filter-item:nth-child(2)::before { background-image: url('./imgs/product-room-sub-menu-icon.png'); }
.filter-item:nth-child(3)::before { background-image: url('./imgs/demo-project-sub-menu-icon.png'); }
.filter-item:nth-child(4)::before { background-image: url('./imgs/assets-apps-sub-menu-icon.png'); }
.filter-item:nth-child(5)::before { background-image: url('./imgs/color-wheel.png'); /* Assuming a color wheel icon exists or similar */ }