.lib-category {
    margin-bottom: 8px;
}

.lib-category-title {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 9px 12px;
    border: none;
    border-radius: 8px;
    background: linear-gradient(135deg, var(--primary), var(--primary-soft));
    color: #fff;
    font-size: 13px;
    font-weight: 600;
}

.lib-category-toggle {
    transition: transform 0.2s ease;
}

.lib-category.expanded .lib-category-toggle {
    transform: rotate(180deg);
}

.lib-items {
    display: none;
    flex-direction: column;
    gap: 4px;
    margin-top: 6px;
}

.lib-category.expanded .lib-items {
    display: flex;
}

.lib-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 7px 9px;
    border-radius: 8px;
    background: #f4f4fd;
    font-size: 13px;
    cursor: grab;
    touch-action: pan-y;
}

.lib-item:hover {
    background: #ecebff;
}

.lib-item-icon {
    font-size: 15px;
}

.lib-item-title {
    flex: 1;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.lib-item-dur {
    font-size: 11px;
    color: var(--muted);
}

.drag-ghost {
    position: fixed;
    transform: translate(-50%, -50%);
    padding: 6px 12px;
    border-radius: 8px;
    background: var(--primary);
    color: #fff;
    font-size: 12px;
    pointer-events: none;
    z-index: 9999;
    box-shadow: var(--shadow);
}